diff --git a/Aria/src/main/java/com/arialyy/aria/core/Aria.java b/Aria/src/main/java/com/arialyy/aria/core/Aria.java
index e7381e54..efdbce23 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/Aria.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/Aria.java
@@ -1,154 +1,154 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.arialyy.aria.core;
-
-import android.annotation.TargetApi;
-import android.app.Activity;
-import android.app.Application;
-import android.app.Dialog;
-import android.app.Service;
-import android.content.Context;
-import android.os.Build;
-import android.support.v4.app.DialogFragment;
-import android.support.v4.app.Fragment;
-import android.widget.PopupWindow;
-import com.arialyy.aria.core.download.DownloadReceiver;
-import com.arialyy.aria.core.upload.UploadReceiver;
-import com.arialyy.aria.util.ALog;
-
-/**
- * Created by lyy on 2016/12/1.
- *
- * @see <a href="https://github.com/AriaLyy/Aria">Aria</a>
- * @see <a href="https://aria.laoyuyu.me/aria_doc/">Aria doc</a>
- * Aria启动，管理全局任务
- * <pre>
- *   <code>
- *   //下载
- *   Aria.download(this)
- *       .load(URL)     //下载地址，必填
- *       //文件保存路径，必填
- *       .setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.apk")
- *       .start();
- *   </code>
- *   <code>
- *    //上传
- *    Aria.upload(this)
- *        .load(filePath)     //文件路径，必填
- *        .setTempUrl(uploadUrl)  //上传路径，必填
- *        .setAttachment(fileKey)   //服务器读取文件的key，必填
- *        .start();
- *   </code>
- * </pre>
- *
- * 如果你需要在【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】
- * 之外的java中使用Aria，那么你应该在Application或Activity初始化的时候调用{@link #init(Context)}对Aria进行初始化
- * 然后才能使用{@link #download(Object)}、{@link #upload(Object)}
- *
- * <pre>
- *   <code>
- *       Aria.init(this);
- *
- *      Aria.download(this)
- *       .load(URL)     //下载地址，必填
- *       //文件保存路径，必填
- *       .setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.apk")
- *       .start();
- *
- *   </code>
- *
- * </pre>
- */
-@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) public class Aria {
-
-  private Aria() {
-  }
-
-  /**
-   * 下载，在当前类中调用Aria方法，参数需要使用this，否则将
-   * 如果不是【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】对象，那么你
-   * 需要在对象中初始化下载前，在Application或Activity初始化的时候调用{@link #init(Context)}对Aria进行初始化
-   *
-   * @param obj 观察者对象，为本类对象，使用{@code this}
-   */
-  public static DownloadReceiver download(Object obj) {
-    if (AriaManager.getInstance() != null){
-     return AriaManager.getInstance().download(obj);
-    }
-    return get(convertContext(obj)).download(obj);
-  }
-
-  /**
-   * 上传
-   * 如果不是【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】对象，那么你
-   * 需要在对象中初始化下载前，在Application或Activity初始化的时候调用{@link #init(Context)}对Aria进行初始化
-   *
-   * @param obj 观察者对象，为本类对象，使用{@code this}
-   */
-  public static UploadReceiver upload(Object obj) {
-    if (AriaManager.getInstance() != null){
-      return AriaManager.getInstance().upload(obj);
-    }
-    return get(convertContext(obj)).upload(obj);
-  }
-
-  /**
-   * 处理通用事件
-   */
-  public static AriaManager get(Context context) {
-    if (context == null) {
-      throw new NullPointerException("context 无效，在非【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】，"
-          + "请参考【https://aria.laoyuyu.me/aria_doc/start/any_java.html】，参数请使用 download(this) 或 upload(this);"
-          + "不要使用 download(getContext()) 或 upload(getContext())");
-    }
-    return AriaManager.getInstance(context);
-  }
-
-  /**
-   * 初始化Aria，如果你需要在【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】
-   * 之外的java中使用Aria，那么你应该在Application或Activity初始化的时候调用本方法对Aria进行初始化
-   * 只需要初始化一次就可以
-   * {@link #download(Object)}、{@link #upload(Object)}
-   */
-  public static AriaManager init(Context context) {
-    return AriaManager.getInstance(context);
-  }
-
-  private static Context convertContext(Object obj) {
-    if (obj instanceof Application) {
-      return (Application) obj;
-    } else if (obj instanceof Service) {
-      return (Service) obj;
-    } else if (obj instanceof Activity) {
-      return (Activity) obj;
-    } else if (obj instanceof DialogFragment) {
-      return ((DialogFragment) obj).getContext();
-    } else if (obj instanceof android.app.DialogFragment) {
-      return ((android.app.DialogFragment) obj).getActivity();
-    } else if (obj instanceof android.support.v4.app.Fragment) {
-      return ((Fragment) obj).getContext();
-    } else if (obj instanceof android.app.Fragment) {
-      return ((android.app.Fragment) obj).getActivity();
-    } else if (obj instanceof Dialog) {
-      return ((Dialog) obj).getContext();
-    } else if (obj instanceof PopupWindow) {
-      return ((PopupWindow) obj).getContentView().getContext();
-    }
-    ALog.e("Aria", "请使用download(this)或upload(this)");
-    return null;
-  }
-}
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.arialyy.aria.core;
+
+import android.annotation.TargetApi;
+import android.app.Activity;
+import android.app.Application;
+import android.app.Dialog;
+import android.app.Service;
+import android.content.Context;
+import android.os.Build;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.Fragment;
+import android.widget.PopupWindow;
+import com.arialyy.aria.core.download.DownloadReceiver;
+import com.arialyy.aria.core.upload.UploadReceiver;
+import com.arialyy.aria.util.ALog;
+
+/**
+ * Created by lyy on 2016/12/1.
+ *
+ * @see <a href="https://github.com/AriaLyy/Aria">Aria</a>
+ * @see <a href="https://aria.laoyuyu.me/aria_doc/">Aria doc</a>
+ * Aria启动，管理全局任务
+ * <pre>
+ *   <code>
+ *   //下载
+ *   Aria.download(this)
+ *       .load(URL)     //下载地址，必填
+ *       //文件保存路径，必填
+ *       .setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.apk")
+ *       .start();
+ *   </code>
+ *   <code>
+ *    //上传
+ *    Aria.upload(this)
+ *        .load(filePath)     //文件路径，必填
+ *        .setTempUrl(uploadUrl)  //上传路径，必填
+ *        .setAttachment(fileKey)   //服务器读取文件的key，必填
+ *        .start();
+ *   </code>
+ * </pre>
+ *
+ * 如果你需要在【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】
+ * 之外的java中使用Aria，那么你应该在Application或Activity初始化的时候调用{@link #init(Context)}对Aria进行初始化
+ * 然后才能使用{@link #download(Object)}、{@link #upload(Object)}
+ *
+ * <pre>
+ *   <code>
+ *       Aria.init(this);
+ *
+ *      Aria.download(this)
+ *       .load(URL)     //下载地址，必填
+ *       //文件保存路径，必填
+ *       .setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.apk")
+ *       .start();
+ *
+ *   </code>
+ *
+ * </pre>
+ */
+@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) public class Aria {
+
+  private Aria() {
+  }
+
+  /**
+   * 下载，在当前类中调用Aria方法，参数需要使用this，否则将
+   * 如果不是【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】对象，那么你
+   * 需要在对象中初始化下载前，在Application或Activity初始化的时候调用{@link #init(Context)}对Aria进行初始化
+   *
+   * @param obj 观察者对象，为本类对象，使用{@code this}
+   */
+  public static DownloadReceiver download(Object obj) {
+    if (AriaManager.getInstance() != null){
+     return AriaManager.getInstance().download(obj);
+    }
+    return get(convertContext(obj)).download(obj);
+  }
+
+  /**
+   * 上传
+   * 如果不是【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】对象，那么你
+   * 需要在对象中初始化下载前，在Application或Activity初始化的时候调用{@link #init(Context)}对Aria进行初始化
+   *
+   * @param obj 观察者对象，为本类对象，使用{@code this}
+   */
+  public static UploadReceiver upload(Object obj) {
+    if (AriaManager.getInstance() != null){
+      return AriaManager.getInstance().upload(obj);
+    }
+    return get(convertContext(obj)).upload(obj);
+  }
+
+  /**
+   * 处理通用事件
+   */
+  public static AriaManager get(Context context) {
+    if (context == null) {
+      throw new NullPointerException("context 无效，在非【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】，"
+          + "请参考【https://aria.laoyuyu.me/aria_doc/start/any_java.html】，参数请使用 download(this) 或 upload(this);"
+          + "不要使用 download(getContext()) 或 upload(getContext())");
+    }
+    return AriaManager.getInstance(context);
+  }
+
+  /**
+   * 初始化Aria，如果你需要在【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】
+   * 之外的java中使用Aria，那么你应该在Application或Activity初始化的时候调用本方法对Aria进行初始化
+   * 只需要初始化一次就可以
+   * {@link #download(Object)}、{@link #upload(Object)}
+   */
+  public static AriaManager init(Context context) {
+    return AriaManager.getInstance(context);
+  }
+
+  private static Context convertContext(Object obj) {
+    if (obj instanceof Application) {
+      return (Application) obj;
+    } else if (obj instanceof Service) {
+      return (Service) obj;
+    } else if (obj instanceof Activity) {
+      return (Activity) obj;
+    } else if (obj instanceof DialogFragment) {
+      return ((DialogFragment) obj).getContext();
+    } else if (obj instanceof android.app.DialogFragment) {
+      return ((android.app.DialogFragment) obj).getActivity();
+    } else if (obj instanceof android.support.v4.app.Fragment) {
+      return ((Fragment) obj).getContext();
+    } else if (obj instanceof android.app.Fragment) {
+      return ((android.app.Fragment) obj).getActivity();
+    } else if (obj instanceof Dialog) {
+      return ((Dialog) obj).getContext();
+    } else if (obj instanceof PopupWindow) {
+      return ((PopupWindow) obj).getContentView().getContext();
+    }
+    ALog.e("Aria", "请使用download(this)或upload(this)");
+    return null;
+  }
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/core/AriaManager.java b/Aria/src/main/java/com/arialyy/aria/core/AriaManager.java
index 21b80459..d99589ff 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/AriaManager.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/AriaManager.java
@@ -161,13 +161,11 @@ import org.xml.sax.SAXException;
    * 初始化数据库
    */
   private void initDb(Context context) {
-    // 这个地方错误了，获取数据库路径见：https://www.jianshu.com/p/815c9efc5449
     String oldDbName = "AriaLyyDb";
-    String oldDbPath = context.getDatabasePath(oldDbName).getPath();
-    File db = new File(oldDbPath);
-    File dbConfig = new File(String.format("%s/%s", db.getParent(), "AriaLyyDb-journal"));
-    if (db.exists()) {
-      db.renameTo(new File(String.format("%s/%s", db.getParent(), "AndroidAria.db")));
+    File oldDbFile = context.getDatabasePath(oldDbName);
+    if (oldDbFile != null && oldDbFile.exists()) {
+      File dbConfig = new File(String.format("%s/%s", oldDbFile.getParent(), "AriaLyyDb-journal"));
+      oldDbFile.renameTo(new File(String.format("%s/%s", oldDbFile.getParent(), "AndroidAria.db")));
       // 如果数据库是在/data/data/{packagename}/databases/下面，journal文件因权限问题将无法删除和重命名
       if (dbConfig.exists()) {
         dbConfig.delete();
diff --git a/Aria/src/main/java/com/arialyy/aria/core/command/CommandManager.java b/Aria/src/main/java/com/arialyy/aria/core/command/CommandManager.java
index 786e0d51..6ca3a813 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/command/CommandManager.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/command/CommandManager.java
@@ -43,7 +43,7 @@ public class CommandManager {
 
   @Event
   public void add(AddCmd cmd) {
-    if (CommonUtil.isFastDoubleClick()){
+    if (CommonUtil.isFastDoubleClick()) {
       return;
     }
     cmd.executeCmd();
@@ -51,7 +51,7 @@ public class CommandManager {
 
   @Event
   public void start(StartCmd cmd) {
-    if (CommonUtil.isFastDoubleClick()){
+    if (CommonUtil.isFastDoubleClick()) {
       return;
     }
     cmd.executeCmd();
@@ -59,23 +59,17 @@ public class CommandManager {
 
   @Event
   public void stop(StopCmd cmd) {
-    if (CommonUtil.isFastDoubleClick()){
-      return;
-    }
     cmd.executeCmd();
   }
 
   @Event
   public void cancel(CancelCmd cmd) {
-    if (CommonUtil.isFastDoubleClick()){
-      return;
-    }
     cmd.executeCmd();
   }
 
   @Event
   public void stopAll(StopAllCmd cmd) {
-    if (CommonUtil.isFastDoubleClick()){
+    if (CommonUtil.isFastDoubleClick()) {
       return;
     }
     cmd.executeCmd();
@@ -83,7 +77,7 @@ public class CommandManager {
 
   @Event
   public void cancelAll(CancelAllCmd cmd) {
-    if (CommonUtil.isFastDoubleClick()){
+    if (CommonUtil.isFastDoubleClick()) {
       return;
     }
     cmd.executeCmd();
@@ -91,7 +85,7 @@ public class CommandManager {
 
   @Event
   public void reStart(ReStartCmd cmd) {
-    if (CommonUtil.isFastDoubleClick()){
+    if (CommonUtil.isFastDoubleClick()) {
       return;
     }
     cmd.executeCmd();
@@ -99,7 +93,7 @@ public class CommandManager {
 
   @Event
   public void highestPriority(HighestPriorityCmd cmd) {
-    if (CommonUtil.isFastDoubleClick()){
+    if (CommonUtil.isFastDoubleClick()) {
       return;
     }
     cmd.executeCmd();
@@ -107,7 +101,7 @@ public class CommandManager {
 
   @Event
   public void resumeAll(ResumeAllCmd cmd) {
-    if (CommonUtil.isFastDoubleClick()){
+    if (CommonUtil.isFastDoubleClick()) {
       return;
     }
     cmd.executeCmd();
@@ -115,7 +109,7 @@ public class CommandManager {
 
   @Event
   public void subStart(DGSubStartCmd cmd) {
-    if (CommonUtil.isFastDoubleClick()){
+    if (CommonUtil.isFastDoubleClick()) {
       return;
     }
     cmd.executeCmd();
@@ -123,9 +117,6 @@ public class CommandManager {
 
   @Event
   public void subStop(DGSubStopCmd cmd) {
-    if (CommonUtil.isFastDoubleClick()){
-      return;
-    }
     cmd.executeCmd();
   }
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/command/StartCmd.java b/Aria/src/main/java/com/arialyy/aria/core/command/StartCmd.java
index c1a7bda1..477575b4 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/command/StartCmd.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/command/StartCmd.java
@@ -25,6 +25,7 @@ import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.AbsTaskWrapper;
 import com.arialyy.aria.core.inf.IEntity;
+import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.core.manager.TaskWrapperManager;
 import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
 import com.arialyy.aria.core.queue.DownloadTaskQueue;
@@ -135,9 +136,9 @@ final class StartCmd<T extends AbsTaskWrapper> extends AbsNormalCmd<T> {
             DbEntity.findDatas(DownloadGroupEntity.class, "state=?", "3");
         if (dEntities != null && !dEntities.isEmpty()) {
           for (DownloadGroupEntity e : dEntities) {
-            if (e.getTaskType() == AbsTaskWrapper.DG_HTTP) {
+            if (e.getTaskType() == ITaskWrapper.DG_HTTP) {
               waitList.add(tManager.getGroupWrapper(DGTaskWrapper.class, e.getId()));
-            } else if (e.getTaskType() == AbsTaskWrapper.D_FTP_DIR) {
+            } else if (e.getTaskType() == ITaskWrapper.D_FTP_DIR) {
               waitList.add(tManager.getGroupWrapper(DGTaskWrapper.class, e.getId()));
             }
           }
@@ -160,8 +161,8 @@ final class StartCmd<T extends AbsTaskWrapper> extends AbsNormalCmd<T> {
         AbsTask task = getTask(te.getKey());
         if (task != null) continue;
         if (te instanceof DTaskWrapper) {
-          if (te.getRequestType() == AbsTaskWrapper.D_FTP
-              || te.getRequestType() == AbsTaskWrapper.U_FTP) {
+          if (te.getRequestType() == ITaskWrapper.D_FTP
+              || te.getRequestType() == ITaskWrapper.U_FTP) {
             te.asFtp().setUrlEntity(CommonUtil.getFtpUrlInfo(te.getEntity().getKey()));
           }
           mQueue = DownloadTaskQueue.getInstance();
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/BaseDelegate.java b/Aria/src/main/java/com/arialyy/aria/core/common/BaseDelegate.java
index 0d9ae003..0d4048a0 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/BaseDelegate.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/BaseDelegate.java
@@ -45,7 +45,7 @@ public abstract class BaseDelegate<TARGET extends AbsTarget> {
    * @param clazz {@link ControllerType#START_CONTROLLER}、{@link ControllerType#NORMAL_CONTROLLER}
    */
   @CheckResult(suggest = Suggest.TASK_CONTROLLER)
-  public <T extends FeatureController> T controller(@ControllerType Class<T> clazz) {
+  public synchronized <T extends FeatureController> T controller(@ControllerType Class<T> clazz) {
     return FeatureController.newInstance(clazz, getTaskWrapper());
   }
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/BaseListener.java b/Aria/src/main/java/com/arialyy/aria/core/common/BaseListener.java
index 58040931..b29789e0 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/BaseListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/BaseListener.java
@@ -16,8 +16,6 @@
 package com.arialyy.aria.core.common;
 
 import android.os.Handler;
-import com.arialyy.aria.core.download.DownloadEntity;
-import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.inf.AbsEntity;
 import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.AbsTaskWrapper;
@@ -26,12 +24,10 @@ import com.arialyy.aria.core.inf.IEventListener;
 import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.core.inf.TaskSchedulerType;
 import com.arialyy.aria.core.scheduler.ISchedulers;
-import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.exception.BaseException;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.aria.util.ErrorHelp;
-import com.arialyy.aria.util.RecordUtil;
 import java.lang.ref.WeakReference;
 
 public abstract class BaseListener<ENTITY extends AbsEntity, TASK_WRAPPER extends AbsTaskWrapper<ENTITY>,
@@ -156,16 +152,6 @@ public abstract class BaseListener<ENTITY extends AbsEntity, TASK_WRAPPER extend
     mEntity.setCurrentProgress(mEntity.getFileSize());
     mEntity.setPercent(100);
     handleSpeed(0);
-    ALog.i(TAG, String.format("任务【%s】完成，将删除任务任务记录", mEntity.getKey()));
-    if (mEntity instanceof DownloadGroupEntity) {
-      RecordUtil.delGroupTaskRecord((DownloadGroupEntity) mEntity, false, false);
-    } else if (mEntity instanceof DownloadEntity) {
-      RecordUtil.delTaskRecord(((DownloadEntity) mEntity).getFilePath(),
-          RecordHandler.TYPE_DOWNLOAD, false, false);
-    } else if (mEntity instanceof UploadEntity) {
-      RecordUtil.delTaskRecord(((UploadEntity) mEntity).getFilePath(), RecordHandler.TYPE_UPLOAD,
-          false, false);
-    }
   }
 
   /**
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/RecordHandler.java b/Aria/src/main/java/com/arialyy/aria/core/common/RecordHandler.java
index 80f265bf..6a92ac26 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/RecordHandler.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/RecordHandler.java
@@ -152,7 +152,7 @@ public class RecordHandler {
     ThreadRecord tr = mTaskRecord.threadRecords.get(0);
     tr.startLocation = 0;
     tr.endLocation = mEntity.getFileSize();
-    tr.key = mTaskRecord.filePath;
+    tr.taskKey = mTaskRecord.filePath;
     tr.blockLen = tr.endLocation;
     tr.isComplete = false;
   }
@@ -164,7 +164,7 @@ public class RecordHandler {
     File file = new File(mTaskRecord.filePath);
     if (!file.exists()) {
       ALog.w(TAG, String.format("文件【%s】不存在，重新分配线程区间", mTaskRecord.filePath));
-      DbEntity.deleteData(ThreadRecord.class, "key=?", mTaskRecord.filePath);
+      DbEntity.deleteData(ThreadRecord.class, "taskKey=?", mTaskRecord.filePath);
       initRecord(false);
     }
   }
@@ -290,7 +290,7 @@ public class RecordHandler {
       File tempFile = new File(getFilePath());
       for (int i = 0; i < threadNum; i++) {
         ThreadRecord tRecord = new ThreadRecord();
-        tRecord.key = mTaskRecord.filePath;
+        tRecord.taskKey = mTaskRecord.filePath;
         Object state = pro.getProperty(tempFile.getName() + STATE + i);
         Object record = pro.getProperty(tempFile.getName() + RECORD + i);
         if (state != null && Integer.parseInt(String.valueOf(state)) == 1) {
@@ -329,7 +329,7 @@ public class RecordHandler {
       long startL = i * blockSize, endL = (i + 1) * blockSize;
       ThreadRecord tr;
       tr = new ThreadRecord();
-      tr.key = mTaskRecord.filePath;
+      tr.taskKey = mTaskRecord.filePath;
       tr.threadId = i;
       tr.startLocation = startL;
       tr.isComplete = false;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/RecordWrapper.java b/Aria/src/main/java/com/arialyy/aria/core/common/RecordWrapper.java
index 29ae220a..05e77cf8 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/RecordWrapper.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/RecordWrapper.java
@@ -32,7 +32,7 @@ public class RecordWrapper extends AbsDbWrapper {
   @One
   public TaskRecord taskRecord;
 
-  @Many(parentColumn = "filePath", entityColumn = "key")
+  @Many(parentColumn = "filePath", entityColumn = "taskKey")
   public List<ThreadRecord> threadRecords;
 
   @Override protected void handleConvert() {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/ThreadRecord.java b/Aria/src/main/java/com/arialyy/aria/core/common/ThreadRecord.java
index 7e408b00..ec29e4fd 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/ThreadRecord.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/ThreadRecord.java
@@ -26,7 +26,7 @@ public class ThreadRecord extends DbEntity {
   /**
    * 任务的文件路径，不是当前线程记录的的分块文件路径
    */
-  public String key;
+  public String taskKey;
 
   /**
    * 开始位置
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/controller/FeatureController.java b/Aria/src/main/java/com/arialyy/aria/core/common/controller/FeatureController.java
index a31aed3e..e2efa207 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/controller/FeatureController.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/controller/FeatureController.java
@@ -24,12 +24,16 @@ import com.arialyy.aria.core.download.DGTaskWrapper;
 import com.arialyy.aria.core.download.DTaskWrapper;
 import com.arialyy.aria.core.inf.AbsEntity;
 import com.arialyy.aria.core.inf.AbsTaskWrapper;
+import com.arialyy.aria.core.inf.ICheckEntityUtil;
 import com.arialyy.aria.core.inf.ITask;
+import com.arialyy.aria.core.inf.ITaskWrapper;
+import com.arialyy.aria.core.scheduler.DownloadGroupSchedulers;
 import com.arialyy.aria.core.scheduler.DownloadSchedulers;
 import com.arialyy.aria.core.scheduler.ISchedulers;
 import com.arialyy.aria.core.scheduler.UploadSchedulers;
 import com.arialyy.aria.core.upload.CheckUEntityUtil;
 import com.arialyy.aria.core.upload.UTaskWrapper;
+import com.arialyy.aria.util.ALog;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
 
@@ -57,7 +61,8 @@ public abstract class FeatureController {
       throw new IllegalArgumentException("对于不存在的任务（第一次下载），只能使用\"ControllerType.START_CONTROLLER\"");
     }
     if (wrapper.getEntity().getId() != -1 && clazz != ControllerType.NORMAL_CONTROLLER) {
-      throw new IllegalArgumentException("对于已存在的任务，只能使用\" ControllerType.NORMAL_CONTROLLER\"");
+      throw new IllegalArgumentException(
+          "对于已存在的任务，只能使用\" ControllerType.NORMAL_CONTROLLER\"，请检查是否重复调用#start()方法");
     }
 
     Class[] paramTypes = { AbsTaskWrapper.class };
@@ -119,27 +124,24 @@ public abstract class FeatureController {
       return UploadSchedulers.getInstance();
     }
     if (mTaskWrapper instanceof DGTaskWrapper) {
-      return DownloadSchedulers.getInstance();
+      return DownloadGroupSchedulers.getInstance();
     }
     return null;
   }
 
   private boolean checkEntity() {
+    ICheckEntityUtil checkUtil = null;
     if (mTaskWrapper instanceof DTaskWrapper) {
-      return CheckDEntityUtil.newInstance((DTaskWrapper) mTaskWrapper).checkEntity();
-    }
-    if (mTaskWrapper instanceof DGTaskWrapper) {
-      if (mTaskWrapper.getRequestType() == AbsTaskWrapper.D_FTP_DIR) {
-        return CheckFtpDirEntityUtil.newInstance((DGTaskWrapper) mTaskWrapper).checkEntity();
-      }
-
-      if (mTaskWrapper.getRequestType() == AbsTaskWrapper.DG_HTTP) {
-        return CheckDGEntityUtil.newInstance((DGTaskWrapper) mTaskWrapper).checkEntity();
+      checkUtil = CheckDEntityUtil.newInstance((DTaskWrapper) mTaskWrapper);
+    } else if (mTaskWrapper instanceof DGTaskWrapper) {
+      if (mTaskWrapper.getRequestType() == ITaskWrapper.D_FTP_DIR) {
+        checkUtil = CheckFtpDirEntityUtil.newInstance((DGTaskWrapper) mTaskWrapper);
+      } else if (mTaskWrapper.getRequestType() == ITaskWrapper.DG_HTTP) {
+        checkUtil = CheckDGEntityUtil.newInstance((DGTaskWrapper) mTaskWrapper);
       }
+    } else if (mTaskWrapper instanceof UTaskWrapper) {
+      checkUtil = CheckUEntityUtil.newInstance((UTaskWrapper) mTaskWrapper);
     }
-    if (mTaskWrapper instanceof UTaskWrapper) {
-      return CheckUEntityUtil.newInstance((UTaskWrapper) mTaskWrapper).checkEntity();
-    }
-    return false;
+    return checkUtil != null && checkUtil.checkEntity();
   }
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/ftp/AbsFtpInfoThread.java b/Aria/src/main/java/com/arialyy/aria/core/common/ftp/AbsFtpInfoThread.java
index 3ef7cf29..ad4d965f 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/ftp/AbsFtpInfoThread.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/ftp/AbsFtpInfoThread.java
@@ -384,7 +384,7 @@ public abstract class AbsFtpInfoThread<ENTITY extends AbsEntity, TASK_WRAPPER ex
   protected void handleFile(String remotePath, FTPFile ftpFile) {
   }
 
-  private void failDownload(BaseException e, boolean needRetry) {
+  protected void failDownload(BaseException e, boolean needRetry) {
     if (mCallback != null) {
       mCallback.onFail(mEntity, e, needRetry);
     }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/AbsGroupConfigHandler.java b/Aria/src/main/java/com/arialyy/aria/core/download/AbsGroupConfigHandler.java
index 4dca4add..f8eee7f8 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/AbsGroupConfigHandler.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/AbsGroupConfigHandler.java
@@ -17,6 +17,7 @@ package com.arialyy.aria.core.download;
 
 import android.support.annotation.CheckResult;
 import android.text.TextUtils;
+import com.arialyy.aria.core.event.ErrorEvent;
 import com.arialyy.aria.core.inf.AbsTarget;
 import com.arialyy.aria.core.inf.IConfigHandler;
 import com.arialyy.aria.core.manager.SubTaskManager;
@@ -40,6 +41,9 @@ abstract class AbsGroupConfigHandler<TARGET extends AbsTarget> implements IConfi
     TAG = CommonUtil.getClassName(getClass());
     mTarget = target;
     mWrapper = TaskWrapperManager.getInstance().getGroupWrapper(DGTaskWrapper.class, taskId);
+    if (taskId != -1 && mWrapper.getEntity().getId() == -1) {
+      mWrapper.setErrorEvent(new ErrorEvent(taskId, String.format("没有id为%s的任务", taskId)));
+    }
     mTarget.setTaskWrapper(mWrapper);
     if (getEntity() != null) {
       getTaskWrapper().setDirPathTemp(getEntity().getDirPath());
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/CheckDEntityUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/CheckDEntityUtil.java
index 0313842f..af37bde0 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/CheckDEntityUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/CheckDEntityUtil.java
@@ -17,6 +17,8 @@ package com.arialyy.aria.core.download;
 
 import android.text.TextUtils;
 import com.arialyy.aria.core.common.RecordHandler;
+import com.arialyy.aria.core.download.m3u8.M3U8Entity;
+import com.arialyy.aria.core.inf.ICheckEntityUtil;
 import com.arialyy.aria.core.inf.ITargetHandler;
 import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.orm.DbEntity;
@@ -28,7 +30,7 @@ import java.io.File;
 /**
  * 检查下载任务实体
  */
-public class CheckDEntityUtil {
+public class CheckDEntityUtil implements ICheckEntityUtil {
   private final String TAG = "CheckDLoadEntity";
   private DTaskWrapper mWrapper;
   private DownloadEntity mEntity;
@@ -42,7 +44,13 @@ public class CheckDEntityUtil {
     mEntity = mWrapper.getEntity();
   }
 
+  @Override
   public boolean checkEntity() {
+    if (mWrapper.getErrorEvent() != null) {
+      ALog.e(TAG, mWrapper.getErrorEvent().errorMsg);
+      return false;
+    }
+
     boolean b = checkFtps() && checkUrl() && checkFilePath();
     if (b) {
       mEntity.save();
@@ -55,12 +63,19 @@ public class CheckDEntityUtil {
   }
 
   private void handleM3U8() {
-    File file = new File(mWrapper.getmTempFilePath());
+    File file = new File(mWrapper.getTempFilePath());
     // 缓存文件夹格式：问文件夹/.文件名_码率
     String cacheDir = String.format("%s/.%s_%s", file.getParent(), file.getName(),
         mWrapper.asM3U8().getBandWidth());
     mWrapper.asM3U8().setCacheDir(cacheDir);
-    mEntity.getM3U8Entity().setCacheDir(cacheDir);
+    M3U8Entity m3U8Entity = mEntity.getM3U8Entity();
+    if (m3U8Entity == null) {
+      m3U8Entity = new M3U8Entity();
+      m3U8Entity.setFilePath(mEntity.getFilePath());
+      m3U8Entity.setPeerIndex(0);
+      m3U8Entity.setCacheDir(cacheDir);
+      m3U8Entity.insert();
+    }
     if (mWrapper.getRequestType() == ITaskWrapper.M3U8_VOD) {
       if (mEntity.getFileSize() == 0) {
         ALog.w(TAG,
@@ -80,7 +95,7 @@ public class CheckDEntityUtil {
   }
 
   private boolean checkFilePath() {
-    String filePath = mWrapper.getmTempFilePath();
+    String filePath = mWrapper.getTempFilePath();
     if (TextUtils.isEmpty(filePath)) {
       ALog.e(TAG, "下载失败，文件保存路径为null");
       return false;
@@ -124,7 +139,7 @@ public class CheckDEntityUtil {
           RecordUtil.delTaskRecord(filePath, RecordHandler.TYPE_DOWNLOAD);
         }
       }
-      File oldFile = new File(mEntity.getFilePath());
+
       File newFile = new File(filePath);
       mEntity.setFilePath(filePath);
       mEntity.setFileName(newFile.getName());
@@ -134,14 +149,17 @@ public class CheckDEntityUtil {
           || mWrapper.getRequestType() == ITaskWrapper.M3U8_LIVE) {
         return true;
       }
-      if (oldFile.exists()) {
-        // 处理普通任务的重命名
-        RecordUtil.modifyTaskRecord(oldFile.getPath(), newFile.getPath());
-        ALog.i(TAG, String.format("将任务重命名为：%s", newFile.getName()));
-      } else if (RecordUtil.blockTaskExists(oldFile.getPath())) {
-        // 处理分块任务的重命名
-        RecordUtil.modifyTaskRecord(oldFile.getPath(), newFile.getPath());
-        ALog.i(TAG, String.format("将分块任务重命名为：%s", newFile.getName()));
+      if (!TextUtils.isEmpty(mEntity.getFilePath())) {
+        File oldFile = new File(mEntity.getFilePath());
+        if (oldFile.exists()) {
+          // 处理普通任务的重命名
+          RecordUtil.modifyTaskRecord(oldFile.getPath(), newFile.getPath());
+          ALog.i(TAG, String.format("将任务重命名为：%s", newFile.getName()));
+        } else if (RecordUtil.blockTaskExists(oldFile.getPath())) {
+          // 处理分块任务的重命名
+          RecordUtil.modifyTaskRecord(oldFile.getPath(), newFile.getPath());
+          ALog.i(TAG, String.format("将分块任务重命名为：%s", newFile.getName()));
+        }
       }
     }
     return true;
@@ -161,14 +179,15 @@ public class CheckDEntityUtil {
       ALog.e(TAG, "下载失败，url【" + url + "】不合法");
       return false;
     }
-    if (!TextUtils.isEmpty(mWrapper.getmTempUrl())) {
-      mEntity.setUrl(mWrapper.getmTempUrl());
+    if (!TextUtils.isEmpty(mWrapper.getTempUrl())) {
+      mEntity.setUrl(mWrapper.getTempUrl());
     }
     return true;
   }
 
   private boolean checkFtps() {
-    if (mWrapper.asFtp().getUrlEntity().isFtps) {
+    if (mWrapper.getRequestType() == ITaskWrapper.D_FTP && mWrapper.asFtp()
+        .getUrlEntity().isFtps) {
       if (TextUtils.isEmpty(mWrapper.asFtp().getUrlEntity().storePath)) {
         ALog.e(TAG, "证书路径为空");
         return false;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/CheckDGEntityUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/CheckDGEntityUtil.java
index 166b0ef9..94d3fc8b 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/CheckDGEntityUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/CheckDGEntityUtil.java
@@ -17,6 +17,7 @@ package com.arialyy.aria.core.download;
 
 import android.text.TextUtils;
 import com.arialyy.aria.core.common.RequestEnum;
+import com.arialyy.aria.core.inf.ICheckEntityUtil;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
@@ -28,7 +29,7 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-public class CheckDGEntityUtil {
+public class CheckDGEntityUtil implements ICheckEntityUtil {
 
   private final String TAG = "CheckDGEntityUtil";
   private DGTaskWrapper mWrapper;
@@ -108,7 +109,13 @@ public class CheckDGEntityUtil {
     }
   }
 
+  @Override
   public boolean checkEntity() {
+    if (mWrapper.getErrorEvent() != null) {
+      ALog.e(TAG, mWrapper.getErrorEvent().errorMsg);
+      return false;
+    }
+
     if (!checkDirPath()) {
       return false;
     }
@@ -183,7 +190,6 @@ public class CheckDGEntityUtil {
    */
   private boolean checkUrls() {
     if (mEntity.getUrls().isEmpty()) {
-
       ALog.e(TAG, "下载失败，子任务下载列表为null");
       return false;
     }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/CheckFtpDirEntityUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/CheckFtpDirEntityUtil.java
index 6d05fb10..3f82a400 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/CheckFtpDirEntityUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/CheckFtpDirEntityUtil.java
@@ -16,12 +16,12 @@
 package com.arialyy.aria.core.download;
 
 import android.text.TextUtils;
-import com.arialyy.aria.core.FtpUrlEntity;
+import com.arialyy.aria.core.inf.ICheckEntityUtil;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.ALog;
 import java.io.File;
 
-public class CheckFtpDirEntityUtil {
+public class CheckFtpDirEntityUtil implements ICheckEntityUtil {
   private final String TAG = "CheckFtpDirEntityUtil";
   private DGTaskWrapper mWrapper;
   private DownloadGroupEntity mEntity;
@@ -72,29 +72,16 @@ public class CheckFtpDirEntityUtil {
     return true;
   }
 
+  @Override
   public boolean checkEntity() {
+    if (mWrapper.getErrorEvent() != null) {
+      ALog.e(TAG, mWrapper.getErrorEvent().errorMsg);
+      return false;
+    }
+
     boolean b = checkDirPath() && checkUrl();
     if (b) {
       mEntity.save();
-      if (mWrapper.getSubTaskWrapper() != null) {
-        //初始化子项的登录信息
-        FtpUrlEntity tUrlEntity = mWrapper.asFtp().getUrlEntity();
-        for (DTaskWrapper wrapper : mWrapper.getSubTaskWrapper()) {
-          FtpUrlEntity urlEntity = wrapper.asFtp().getUrlEntity();
-          urlEntity.needLogin = tUrlEntity.needLogin;
-          urlEntity.account = tUrlEntity.account;
-          urlEntity.user = tUrlEntity.user;
-          urlEntity.password = tUrlEntity.password;
-          // 处理ftps详细
-          if (tUrlEntity.isFtps) {
-            urlEntity.isFtps = true;
-            urlEntity.protocol = tUrlEntity.protocol;
-            urlEntity.storePath = tUrlEntity.storePath;
-            urlEntity.storePass = tUrlEntity.storePass;
-            urlEntity.keyAlias = tUrlEntity.keyAlias;
-          }
-        }
-      }
     }
     if (mWrapper.asFtp().getUrlEntity().isFtps) {
       if (TextUtils.isEmpty(mWrapper.asFtp().getUrlEntity().storePath)) {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DGTaskWrapper.java b/Aria/src/main/java/com/arialyy/aria/core/download/DGTaskWrapper.java
index 4f9b28dd..9b4ca29e 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DGTaskWrapper.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DGTaskWrapper.java
@@ -26,7 +26,7 @@ import java.util.List;
  */
 public class DGTaskWrapper extends AbsGroupTaskWrapper<DownloadGroupEntity, DTaskWrapper> {
 
-  private List<DTaskWrapper> subTaskEntities;
+  private List<DTaskWrapper> subWrappers;
 
   private boolean unknownSize = false;
 
@@ -62,7 +62,7 @@ public class DGTaskWrapper extends AbsGroupTaskWrapper<DownloadGroupEntity, DTas
 
   @Override
   public void setSubTaskWrapper(List<DTaskWrapper> subTaskEntities) {
-    this.subTaskEntities = subTaskEntities;
+    this.subWrappers = subTaskEntities;
   }
 
   public boolean isUnknownSize() {
@@ -82,6 +82,9 @@ public class DGTaskWrapper extends AbsGroupTaskWrapper<DownloadGroupEntity, DTas
   }
 
   @Override public List<DTaskWrapper> getSubTaskWrapper() {
-    return subTaskEntities;
+    if (subWrappers == null) {
+      subWrappers = new ArrayList<>();
+    }
+    return subWrappers;
   }
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DNormalConfigHandler.java b/Aria/src/main/java/com/arialyy/aria/core/download/DNormalConfigHandler.java
index 0cf537d7..240d6136 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DNormalConfigHandler.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DNormalConfigHandler.java
@@ -16,6 +16,7 @@
 package com.arialyy.aria.core.download;
 
 import android.text.TextUtils;
+import com.arialyy.aria.core.event.ErrorEvent;
 import com.arialyy.aria.core.inf.AbsTarget;
 import com.arialyy.aria.core.inf.IConfigHandler;
 import com.arialyy.aria.core.manager.TaskWrapperManager;
@@ -49,12 +50,15 @@ class DNormalConfigHandler<TARGET extends AbsTarget> implements IConfigHandler {
 
   private void initTarget(long taskId, String targetName) {
     mWrapper = TaskWrapperManager.getInstance().getNormalTaskWrapper(DTaskWrapper.class, taskId);
+    if (taskId != -1 && mWrapper.getEntity().getId() == -1) {
+      mWrapper.setErrorEvent(new ErrorEvent(taskId, String.format("没有id为%s的任务", taskId)));
+    }
     mEntity = mWrapper.getEntity();
 
     mTarget.setTargetName(targetName);
     mTarget.setTaskWrapper(mWrapper);
     if (mEntity != null) {
-      getWrapper().setmTempFilePath(mEntity.getFilePath());
+      getWrapper().setTempFilePath(mEntity.getFilePath());
     }
   }
 
@@ -68,7 +72,7 @@ class DNormalConfigHandler<TARGET extends AbsTarget> implements IConfigHandler {
       return mTarget;
     }
     getWrapper().setRefreshInfo(true);
-    getWrapper().setmTempUrl(newUrl);
+    getWrapper().setTempUrl(newUrl);
     return mTarget;
   }
 
@@ -98,7 +102,7 @@ class DNormalConfigHandler<TARGET extends AbsTarget> implements IConfigHandler {
   }
 
   void setTempFilePath(String tempFilePath) {
-    getWrapper().setmTempFilePath(tempFilePath);
+    getWrapper().setTempFilePath(tempFilePath);
   }
 
   private DTaskWrapper getWrapper() {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DTaskWrapper.java b/Aria/src/main/java/com/arialyy/aria/core/download/DTaskWrapper.java
index 4cd5a439..f86fcb91 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DTaskWrapper.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DTaskWrapper.java
@@ -93,19 +93,19 @@ public class DTaskWrapper extends AbsTaskWrapper<DownloadEntity> {
     isGroupTask = groupTask;
   }
 
-  public String getmTempUrl() {
+  public String getTempUrl() {
     return mTempUrl;
   }
 
-  public void setmTempUrl(String mTempUrl) {
+  public void setTempUrl(String mTempUrl) {
     this.mTempUrl = mTempUrl;
   }
 
-  public String getmTempFilePath() {
+  public String getTempFilePath() {
     return mTempFilePath;
   }
 
-  public void setmTempFilePath(String mTempFilePath) {
+  public void setTempFilePath(String mTempFilePath) {
     this.mTempFilePath = mTempFilePath;
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadEntity.java b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadEntity.java
index fe1a1696..cac8a9f1 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadEntity.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadEntity.java
@@ -21,7 +21,7 @@ import android.os.Parcelable;
 import android.text.TextUtils;
 import com.arialyy.aria.core.download.m3u8.M3U8Entity;
 import com.arialyy.aria.core.inf.AbsNormalEntity;
-import com.arialyy.aria.core.inf.AbsTaskWrapper;
+import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.orm.annotation.Ignore;
 import com.arialyy.aria.orm.annotation.Unique;
@@ -67,13 +67,6 @@ public class DownloadEntity extends AbsNormalEntity implements Parcelable {
     if (m3U8Entity == null) {
       m3U8Entity = DbEntity.findFirst(M3U8Entity.class, "filePath=?", downloadPath);
     }
-    if (m3U8Entity == null) {
-      m3U8Entity = new M3U8Entity();
-      m3U8Entity.setFilePath(downloadPath);
-      m3U8Entity.setPeerIndex(0);
-      m3U8Entity.insert();
-    }
-
     return m3U8Entity;
   }
 
@@ -82,7 +75,18 @@ public class DownloadEntity extends AbsNormalEntity implements Parcelable {
   }
 
   @Override public int getTaskType() {
-    return getUrl().startsWith("ftp") ? AbsTaskWrapper.D_FTP : AbsTaskWrapper.D_HTTP;
+    int type;
+    if (getUrl().startsWith("ftp")) {
+      type = ITaskWrapper.D_FTP;
+    } else {
+      M3U8Entity temp = getM3U8Entity();
+      if (temp == null) {
+        type = ITaskWrapper.D_HTTP;
+      } else {
+        type = temp.isLive() ? ITaskWrapper.M3U8_LIVE : ITaskWrapper.M3U8_VOD;
+      }
+    }
+    return type;
   }
 
   public DownloadEntity() {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupEntity.java b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupEntity.java
index 28e2bf6f..97662415 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupEntity.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupEntity.java
@@ -19,6 +19,7 @@ import android.os.Parcel;
 import com.arialyy.aria.core.inf.AbsGroupEntity;
 import com.arialyy.aria.core.inf.AbsTaskWrapper;
 import com.arialyy.aria.orm.annotation.Ignore;
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -32,6 +33,9 @@ public class DownloadGroupEntity extends AbsGroupEntity {
    * 子任务实体列表
    */
   public List<DownloadEntity> getSubEntities() {
+    if (subEntities == null) {
+      subEntities = new ArrayList<>();
+    }
     return subEntities;
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTask.java b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTask.java
index a1612209..b4406e1e 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTask.java
@@ -24,7 +24,7 @@ import com.arialyy.aria.core.download.group.DGroupUtil;
 import com.arialyy.aria.core.download.group.FtpDirDownloadUtil;
 import com.arialyy.aria.core.download.group.IDGroupListener;
 import com.arialyy.aria.core.inf.AbsGroupTask;
-import com.arialyy.aria.core.inf.AbsTaskWrapper;
+import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.core.scheduler.ISchedulers;
 import com.arialyy.aria.util.CheckUtil;
 
@@ -55,13 +55,14 @@ public class DownloadGroupTask extends AbsGroupTask<DGTaskWrapper> {
   }
 
   @Override protected synchronized IUtil createUtil() {
-    switch (mTaskWrapper.getRequestType()) {
-      case AbsTaskWrapper.D_HTTP:
-        return new DGroupUtil((IDGroupListener) mListener, mTaskWrapper);
-      case AbsTaskWrapper.D_FTP_DIR:
-        return new FtpDirDownloadUtil((IDGroupListener) mListener, mTaskWrapper);
+    int taskType = mTaskWrapper.getRequestType();
+    if (taskType == ITaskWrapper.DG_HTTP) {
+      return new DGroupUtil((IDGroupListener) mListener, mTaskWrapper);
+    } else if (taskType == ITaskWrapper.D_FTP_DIR) {
+      return new FtpDirDownloadUtil((IDGroupListener) mListener, mTaskWrapper);
+    } else {
+      throw new IllegalArgumentException(String.format("不识别的任务, 任务类型：%s", taskType));
     }
-    return null;
   }
 
   public static class Builder {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTask.java b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTask.java
index 48429040..abee2b4f 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTask.java
@@ -95,12 +95,15 @@ public class DownloadTask extends AbsNormalTask<DTaskWrapper> {
   }
 
   @Override protected synchronized IUtil createUtil() {
-    if (mTaskWrapper.getRequestType() == ITaskWrapper.M3U8_VOD) {
+    int taskType = mTaskWrapper.getRequestType();
+    if (taskType == ITaskWrapper.M3U8_VOD) {
       return new M3U8VodUtil(mTaskWrapper, (M3U8Listener) mListener);
-    } else if (mTaskWrapper.getRequestType() == ITaskWrapper.M3U8_LIVE) {
+    } else if (taskType == ITaskWrapper.M3U8_LIVE) {
       return new M3U8LiveUtil(mTaskWrapper, (M3U8Listener) mListener);
-    } else {
+    } else if (taskType == ITaskWrapper.D_HTTP || taskType == ITaskWrapper.D_FTP) {
       return new SimpleDownloadUtil(mTaskWrapper, (IDownloadListener) mListener);
+    } else {
+      throw new IllegalArgumentException(String.format("不识别的任务, 任务类型：%s", taskType));
     }
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/FtpDirConfigHandler.java b/Aria/src/main/java/com/arialyy/aria/core/download/FtpDirConfigHandler.java
index 96826939..1e9c3548 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/FtpDirConfigHandler.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/FtpDirConfigHandler.java
@@ -17,6 +17,8 @@ package com.arialyy.aria.core.download;
 
 import com.arialyy.aria.core.inf.AbsTarget;
 import com.arialyy.aria.core.inf.AbsTaskWrapper;
+import com.arialyy.aria.core.inf.ITaskWrapper;
+import java.util.List;
 
 /**
  * Created by lyy on 2017/4/9.
@@ -26,6 +28,16 @@ class FtpDirConfigHandler<TARGET extends AbsTarget> extends AbsGroupConfigHandle
 
   FtpDirConfigHandler(TARGET target, long taskId) {
     super(target, taskId);
+    init();
+  }
+
+  private void init() {
     getTaskWrapper().setRequestType(AbsTaskWrapper.D_FTP_DIR);
+    List<DTaskWrapper> wrappers = getTaskWrapper().getSubTaskWrapper();
+    if (!wrappers.isEmpty()) {
+      for (DTaskWrapper subWrapper : wrappers) {
+        subWrapper.setRequestType(ITaskWrapper.D_FTP);
+      }
+    }
   }
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/FtpNormalTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/FtpNormalTarget.java
index c7ce4410..291ffd2b 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/FtpNormalTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/FtpNormalTarget.java
@@ -20,7 +20,7 @@ import android.support.annotation.NonNull;
 import com.arialyy.aria.core.common.AbsNormalTarget;
 import com.arialyy.aria.core.common.Suggest;
 import com.arialyy.aria.core.common.ftp.FtpDelegate;
-import com.arialyy.aria.core.inf.AbsTaskWrapper;
+import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.util.CommonUtil;
 
 /**
@@ -32,8 +32,8 @@ public class FtpNormalTarget extends AbsNormalTarget<FtpNormalTarget> {
 
   FtpNormalTarget(long taskId, String targetName) {
     mConfigHandler = new DNormalConfigHandler<>(this, taskId, targetName);
-    getTaskWrapper().asFtp().setUrlEntity(CommonUtil.getFtpUrlInfo(mConfigHandler.getUrl()));
-    getTaskWrapper().setRequestType(AbsTaskWrapper.D_FTP);
+    getTaskWrapper().asFtp().setUrlEntity(CommonUtil.getFtpUrlInfo(getEntity().getUrl()));
+    getTaskWrapper().setRequestType(ITaskWrapper.D_FTP);
   }
 
   /**
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/FtpStartTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/FtpStartTarget.java
index fe7077a4..cad74ed1 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/FtpStartTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/FtpStartTarget.java
@@ -21,6 +21,7 @@ import com.arialyy.aria.core.common.AbsStartTarget;
 import com.arialyy.aria.core.common.Suggest;
 import com.arialyy.aria.core.common.ftp.FtpDelegate;
 import com.arialyy.aria.core.inf.AbsTaskWrapper;
+import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.util.CommonUtil;
 
 /**
@@ -33,7 +34,7 @@ public class FtpStartTarget extends AbsStartTarget<FtpStartTarget> {
     mConfigHandler = new DNormalConfigHandler<>(this, -1, targetName);
     mConfigHandler.setUrl(url);
     getTaskWrapper().asFtp().setUrlEntity(CommonUtil.getFtpUrlInfo(url));
-    getTaskWrapper().setRequestType(AbsTaskWrapper.D_FTP);
+    getTaskWrapper().setRequestType(ITaskWrapper.D_FTP);
   }
 
   /**
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/GroupNormalTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/GroupNormalTarget.java
index 1062e1e9..a227f7ce 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/GroupNormalTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/GroupNormalTarget.java
@@ -19,6 +19,7 @@ import android.support.annotation.CheckResult;
 import com.arialyy.aria.core.common.AbsNormalTarget;
 import com.arialyy.aria.core.common.Suggest;
 import com.arialyy.aria.core.common.http.HttpDelegate;
+import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.core.manager.SubTaskManager;
 import java.util.List;
 
@@ -32,6 +33,7 @@ public class GroupNormalTarget extends AbsNormalTarget<GroupNormalTarget> {
   GroupNormalTarget(long taskId, String targetName) {
     setTargetName(targetName);
     mConfigHandler = new HttpGroupConfigHandler<>(this, taskId);
+    getTaskWrapper().setRequestType(ITaskWrapper.DG_HTTP);
   }
 
   /**
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/GroupStartTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/GroupStartTarget.java
index a5d20c01..55a32d86 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/GroupStartTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/GroupStartTarget.java
@@ -20,6 +20,7 @@ import com.arialyy.aria.core.common.AbsStartTarget;
 import com.arialyy.aria.core.common.Suggest;
 import com.arialyy.aria.core.common.http.HttpDelegate;
 import com.arialyy.aria.core.inf.IHttpFileLenAdapter;
+import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.core.manager.SubTaskManager;
 import com.arialyy.aria.util.ALog;
 import java.util.List;
@@ -34,6 +35,7 @@ public class GroupStartTarget extends AbsStartTarget<GroupStartTarget> {
   GroupStartTarget(List<String> urls, String targetName) {
     setTargetName(targetName);
     mConfigHandler = new HttpGroupConfigHandler<>(this, -1);
+    getTaskWrapper().setRequestType(ITaskWrapper.DG_HTTP);
     mConfigHandler.setGroupUrl(urls);
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/HttpGroupConfigHandler.java b/Aria/src/main/java/com/arialyy/aria/core/download/HttpGroupConfigHandler.java
index daf9851b..01067365 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/HttpGroupConfigHandler.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/HttpGroupConfigHandler.java
@@ -17,6 +17,7 @@ package com.arialyy.aria.core.download;
 
 import android.support.annotation.CheckResult;
 import com.arialyy.aria.core.inf.AbsTarget;
+import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.aria.util.DbDataHelper;
@@ -53,7 +54,14 @@ class HttpGroupConfigHandler<TARGET extends AbsTarget> extends AbsGroupConfigHan
     mUrls.addAll(urls);
     String groupHash = CommonUtil.getMd5Code(urls);
     getEntity().setGroupHash(groupHash);
-    getEntity().setSubEntities(DbDataHelper.createHttpSubTask(groupHash, mUrls));
+    List<DownloadEntity> subEntities = DbDataHelper.createHttpSubTask(groupHash, mUrls);
+    List<DTaskWrapper> wrappers = new ArrayList<>();
+    for (DownloadEntity subEntity : subEntities) {
+      wrappers.add(new DTaskWrapper(subEntity));
+    }
+    getEntity().setUrls(urls);
+    getEntity().setSubEntities(subEntities);
+    getTaskWrapper().setSubTaskWrapper(wrappers);
   }
 
   /**
@@ -91,13 +99,17 @@ class HttpGroupConfigHandler<TARGET extends AbsTarget> extends AbsGroupConfigHan
     mUrls.clear();
     mUrls.addAll(urls);
     String newHash = CommonUtil.getMd5Code(urls);
+    getEntity().setUrls(mUrls);
     getEntity().setGroupHash(newHash);
     getEntity().update();
     if (getEntity().getSubEntities() != null && !getEntity().getSubEntities().isEmpty()) {
+      int i = 0;
       for (DownloadEntity de : getEntity().getSubEntities()) {
+        de.setUrl(mUrls.get(i));
         de.setGroupHash(newHash);
-        de.update();
+        i++;
       }
+      DbEntity.updateManyData(getEntity().getSubEntities());
     }
     return getTarget();
   }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/HttpNormalTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/HttpNormalTarget.java
index ee83c106..2ed1cfc8 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/HttpNormalTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/HttpNormalTarget.java
@@ -30,6 +30,7 @@ public class HttpNormalTarget extends AbsNormalTarget<HttpNormalTarget> {
 
   HttpNormalTarget(long taskId, String targetName) {
     mConfigHandler = new DNormalConfigHandler<>(this, taskId, targetName);
+    getTaskWrapper().setRequestType(getTaskWrapper().getEntity().getTaskType());
   }
 
   @CheckResult(suggest = Suggest.TASK_CONTROLLER)
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/HttpStartTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/HttpStartTarget.java
index 761b0b34..6807942c 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/HttpStartTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/HttpStartTarget.java
@@ -22,6 +22,7 @@ import com.arialyy.aria.core.common.Suggest;
 import com.arialyy.aria.core.common.http.HttpDelegate;
 import com.arialyy.aria.core.download.m3u8.M3U8Delegate;
 import com.arialyy.aria.core.inf.IHttpFileLenAdapter;
+import com.arialyy.aria.core.inf.ITaskWrapper;
 
 public class HttpStartTarget extends AbsStartTarget<HttpStartTarget> {
 
@@ -29,6 +30,7 @@ public class HttpStartTarget extends AbsStartTarget<HttpStartTarget> {
 
   HttpStartTarget(String url, String targetName) {
     mConfigHandler = new DNormalConfigHandler<>(this, -1, targetName);
+    getTaskWrapper().setRequestType(ITaskWrapper.D_HTTP);
     mConfigHandler.setUrl(url);
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/Downloader.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/Downloader.java
index c015b9b3..3fb04c6c 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/Downloader.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/Downloader.java
@@ -19,12 +19,12 @@ import com.arialyy.aria.core.common.AbsThreadTask;
 import com.arialyy.aria.core.common.NormalFileer;
 import com.arialyy.aria.core.common.RecordHandler;
 import com.arialyy.aria.core.common.SubThreadConfig;
-import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DTaskWrapper;
+import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.event.Event;
 import com.arialyy.aria.core.event.SpeedEvent;
-import com.arialyy.aria.core.inf.AbsTaskWrapper;
 import com.arialyy.aria.core.inf.IDownloadListener;
+import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.exception.BaseException;
 import com.arialyy.aria.exception.TaskException;
 import com.arialyy.aria.util.ALog;
@@ -113,10 +113,10 @@ public class Downloader extends NormalFileer<DownloadEntity, DTaskWrapper> {
 
   @Override protected AbsThreadTask selectThreadTask(SubThreadConfig<DTaskWrapper> config) {
     switch (mTaskWrapper.getRequestType()) {
-      case AbsTaskWrapper.D_FTP:
-      case AbsTaskWrapper.D_FTP_DIR:
+      case ITaskWrapper.D_FTP:
+      case ITaskWrapper.D_FTP_DIR:
         return new FtpThreadTask(config);
-      case AbsTaskWrapper.D_HTTP:
+      case ITaskWrapper.D_HTTP:
         return new HttpThreadTask(config);
     }
     return null;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpFileInfoThread.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpFileInfoThread.java
index 3bd63673..40e1b13b 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpFileInfoThread.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpFileInfoThread.java
@@ -16,15 +16,16 @@
 package com.arialyy.aria.core.download.downloader;
 
 import android.net.TrafficStats;
+import android.net.Uri;
 import android.os.Process;
 import android.text.TextUtils;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.common.CompleteInfo;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
 import com.arialyy.aria.core.common.RequestEnum;
+import com.arialyy.aria.core.common.http.HttpTaskConfig;
 import com.arialyy.aria.core.download.DTaskWrapper;
 import com.arialyy.aria.core.download.DownloadEntity;
-import com.arialyy.aria.core.common.http.HttpTaskConfig;
 import com.arialyy.aria.core.inf.IHttpFileLenAdapter;
 import com.arialyy.aria.exception.AriaIOException;
 import com.arialyy.aria.exception.BaseException;
@@ -54,7 +55,7 @@ import java.util.UUID;
  * 下载文件信息获取
  */
 public class HttpFileInfoThread implements Runnable {
-  private final String TAG = "HttpFileInfoThread";
+  private static final String TAG = "HttpFileInfoThread";
   private DownloadEntity mEntity;
   private DTaskWrapper mTaskWrapper;
   private int mConnectTimeOut;
@@ -83,6 +84,7 @@ public class HttpFileInfoThread implements Runnable {
       conn.connect();
       handleConnect(conn);
     } catch (IOException e) {
+      e.printStackTrace();
       failDownload(new AriaIOException(TAG,
               String.format("下载失败，filePath: %s, url: %s", mEntity.getDownloadPath(), mEntity.getUrl())),
           true);
@@ -119,7 +121,7 @@ public class HttpFileInfoThread implements Runnable {
     }
     long len = lenAdapter.handleFileLen(conn.getHeaderFields());
 
-    if (!CommonUtil.checkSDMemorySpace(mEntity.getDownloadPath(), len)) {
+    if (!CommonUtil.checkSDMemorySpace(mEntity.getFilePath(), len)) {
       failDownload(new TaskException(TAG,
           String.format("下载失败，内存空间不足；filePath: %s, url: %s", mEntity.getDownloadPath(),
               mEntity.getUrl())), false);
@@ -284,13 +286,17 @@ public class HttpFileInfoThread implements Runnable {
    */
   private void handleUrlReTurn(HttpURLConnection conn, String newUrl) throws IOException {
     ALog.d(TAG, "30x跳转，新url为【" + newUrl + "】");
-    if (TextUtils.isEmpty(newUrl) || newUrl.equalsIgnoreCase("null") || !newUrl.startsWith(
-        "http")) {
+    if (TextUtils.isEmpty(newUrl) || newUrl.equalsIgnoreCase("null")) {
       if (onFileInfoCallback != null) {
         onFileInfoCallback.onFail(mEntity, new TaskException(TAG, "获取重定向链接失败"), false);
       }
       return;
     }
+    if (newUrl.startsWith("/")) {
+      Uri uri = Uri.parse(mEntity.getUrl());
+      newUrl = uri.getHost() + newUrl;
+    }
+
     if (!CheckUtil.checkUrlNotThrow(newUrl)) {
       failDownload(new TaskException(TAG, "下载失败，重定向url错误"), false);
       return;
@@ -334,6 +340,10 @@ public class HttpFileInfoThread implements Runnable {
   private static class FileLenAdapter implements IHttpFileLenAdapter {
 
     @Override public long handleFileLen(Map<String, List<String>> headers) {
+      if (headers == null || headers.isEmpty()) {
+        ALog.e(TAG, "header为空，获取文件长度失败");
+        return -1;
+      }
       List<String> sLength = headers.get("Content-Length");
       if (sLength == null || sLength.isEmpty()) {
         return -1;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/SimpleDownloadUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/SimpleDownloadUtil.java
index e3d2333f..39591639 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/SimpleDownloadUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/SimpleDownloadUtil.java
@@ -21,8 +21,8 @@ import com.arialyy.aria.core.common.IUtil;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
 import com.arialyy.aria.core.download.DTaskWrapper;
 import com.arialyy.aria.core.inf.AbsEntity;
-import com.arialyy.aria.core.inf.AbsTaskWrapper;
 import com.arialyy.aria.core.inf.IDownloadListener;
+import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.exception.BaseException;
 
 /**
@@ -110,7 +110,7 @@ public class SimpleDownloadUtil implements IUtil {
    */
   private Runnable createInfoThread() {
     switch (mTaskWrapper.getRequestType()) {
-      case AbsTaskWrapper.D_FTP:
+      case ITaskWrapper.D_FTP:
         return new FtpFileInfoThread(mTaskWrapper, new OnFileInfoCallback() {
           @Override public void onComplete(String url, CompleteInfo info) {
             mDownloader.updateTempFile();
@@ -122,7 +122,7 @@ public class SimpleDownloadUtil implements IUtil {
             mDownloader.closeTimer();
           }
         });
-      case AbsTaskWrapper.D_HTTP:
+      case ITaskWrapper.D_HTTP:
         return new HttpFileInfoThread(mTaskWrapper, new OnFileInfoCallback() {
           @Override public void onComplete(String url, CompleteInfo info) {
             mDownloader.updateTempFile();
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/group/AbsGroupUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/group/AbsGroupUtil.java
index 4ae6ac2e..e97d89ef 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/group/AbsGroupUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/group/AbsGroupUtil.java
@@ -32,7 +32,7 @@ import java.util.concurrent.TimeUnit;
  * Created by AriaL on 2017/6/30.
  * 任务组核心逻辑
  */
-public abstract class AbsGroupUtil implements IUtil, Runnable {
+public abstract class AbsGroupUtil implements IUtil {
   private final String TAG = "AbsGroupUtil";
   /**
    * FTP文件夹
@@ -59,16 +59,16 @@ public abstract class AbsGroupUtil implements IUtil, Runnable {
     mListener = listener;
     mGTWrapper = groupWrapper;
     mUpdateInterval = Configuration.getInstance().downloadCfg.getUpdateInterval();
-    mState = new GroupRunState(groupWrapper.getKey(), mListener,
-        groupWrapper.getSubTaskWrapper().size(), mSubQueue);
-    mScheduler = new Handler(Looper.getMainLooper(), SimpleSchedulers.newInstance(mState));
-    initState();
   }
 
   /**
    * 初始化组合任务状态
    */
-  private void initState() {
+  void initState() {
+    mState =
+        new GroupRunState(mGTWrapper.getKey(), mListener, mGTWrapper.getSubTaskWrapper().size(),
+            mSubQueue);
+    mScheduler = new Handler(Looper.getMainLooper(), SimpleSchedulers.newInstance(mState));
     for (DTaskWrapper wrapper : mGTWrapper.getSubTaskWrapper()) {
       if (wrapper.getEntity().getState() == IEntity.STATE_COMPLETE) {
         mState.updateCompleteNum();
@@ -164,7 +164,7 @@ public abstract class AbsGroupUtil implements IUtil, Runnable {
   }
 
   @Override public boolean isRunning() {
-    return mState.isRunning;
+    return mState != null && mState.isRunning;
   }
 
   @Override public void cancel() {
@@ -203,19 +203,15 @@ public abstract class AbsGroupUtil implements IUtil, Runnable {
   }
 
   @Override public void start() {
-    new Thread(this).start();
-  }
-
-  @Override public void run() {
     if (isStop || isCancel) {
       closeTimer();
       return;
     }
-    onStart();
+    onPreStart();
     startRunningFlow();
   }
 
-  protected void onStart() {
+  protected void onPreStart() {
 
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/group/ChildDLoadListener.java b/Aria/src/main/java/com/arialyy/aria/core/download/group/ChildDLoadListener.java
index ad4d60e6..4cd0ec03 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/group/ChildDLoadListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/group/ChildDLoadListener.java
@@ -21,6 +21,7 @@ import com.arialyy.aria.core.inf.IDownloadListener;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.scheduler.ISchedulers;
 import com.arialyy.aria.exception.BaseException;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 
 /**
@@ -48,25 +49,25 @@ class ChildDLoadListener implements IDownloadListener {
   }
 
   @Override public void onPre() {
-    saveData(IEntity.STATE_PRE, -1);
+    saveData(IEntity.STATE_PRE, subEntity.getCurrentProgress());
   }
 
   @Override public void onPostPre(long fileSize) {
     subEntity.setFileSize(fileSize);
     subEntity.setConvertFileSize(CommonUtil.formatFileSize(fileSize));
-    saveData(IEntity.STATE_POST_PRE, -1);
+    saveData(IEntity.STATE_POST_PRE, subEntity.getCurrentProgress());
     sendToTarget(ISchedulers.POST_PRE, loader);
   }
 
   @Override public void onResume(long resumeLocation) {
     lastLen = resumeLocation;
-    saveData(IEntity.STATE_POST_PRE, IEntity.STATE_RUNNING);
+    saveData(IEntity.STATE_POST_PRE, subEntity.getCurrentProgress());
     sendToTarget(ISchedulers.START, loader);
   }
 
   @Override public void onStart(long startLocation) {
     lastLen = startLocation;
-    saveData(IEntity.STATE_POST_PRE, IEntity.STATE_RUNNING);
+    saveData(IEntity.STATE_POST_PRE, subEntity.getCurrentProgress());
     sendToTarget(ISchedulers.START, loader);
   }
 
@@ -106,7 +107,7 @@ class ChildDLoadListener implements IDownloadListener {
 
   @Override public void onFail(boolean needRetry, BaseException e) {
     subEntity.setFailNum(subEntity.getFailNum() + 1);
-    saveData(IEntity.STATE_FAIL, lastLen);
+    saveData(IEntity.STATE_FAIL, subEntity.getCurrentProgress());
     handleSpeed(0);
     sendToTarget(ISchedulers.FAIL, loader);
   }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/group/DGroupUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/group/DGroupUtil.java
index 0c124366..3595fde2 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/group/DGroupUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/group/DGroupUtil.java
@@ -68,8 +68,9 @@ public class DGroupUtil extends AbsGroupUtil implements IUtil {
     return false;
   }
 
-  @Override protected void onStart() {
-    super.onStart();
+  @Override protected void onPreStart() {
+    super.onPreStart();
+    initState();
     if (mState.getCompleteNum() == mState.getSubSize()) {
       mListener.onComplete();
     } else {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/group/FtpDirDownloadUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/group/FtpDirDownloadUtil.java
index 7d1d54ba..8fdf2892 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/group/FtpDirDownloadUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/group/FtpDirDownloadUtil.java
@@ -15,6 +15,9 @@
  */
 package com.arialyy.aria.core.download.group;
 
+import android.net.Uri;
+import android.text.TextUtils;
+import com.arialyy.aria.core.FtpUrlEntity;
 import com.arialyy.aria.core.common.CompleteInfo;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
 import com.arialyy.aria.core.download.DGTaskWrapper;
@@ -22,6 +25,8 @@ import com.arialyy.aria.core.download.DTaskWrapper;
 import com.arialyy.aria.core.inf.AbsEntity;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.exception.BaseException;
+import java.util.concurrent.locks.Condition;
+import java.util.concurrent.locks.ReentrantLock;
 
 /**
  * Created by Aria.Lao on 2017/7/27.
@@ -29,6 +34,8 @@ import com.arialyy.aria.exception.BaseException;
  */
 public class FtpDirDownloadUtil extends AbsGroupUtil {
   private String TAG = "FtpDirDownloadUtil";
+  private ReentrantLock LOCK = new ReentrantLock();
+  private Condition condition = LOCK.newCondition();
 
   public FtpDirDownloadUtil(IDGroupListener listener, DGTaskWrapper taskEntity) {
     super(listener, taskEntity);
@@ -38,16 +45,15 @@ public class FtpDirDownloadUtil extends AbsGroupUtil {
     return FTP_DIR;
   }
 
-  @Override protected void onStart() {
-    super.onStart();
+  @Override protected void onPreStart() {
+    super.onPreStart();
     if (mGTWrapper.getEntity().getFileSize() > 1) {
-      startDownload();
+      startDownload(true);
     } else {
-
       FtpDirInfoThread infoThread = new FtpDirInfoThread(mGTWrapper, new OnFileInfoCallback() {
         @Override public void onComplete(String url, CompleteInfo info) {
           if (info.code >= 200 && info.code < 300) {
-            startDownload();
+            startDownload(false);
           }
         }
 
@@ -56,14 +62,46 @@ public class FtpDirDownloadUtil extends AbsGroupUtil {
         }
       });
       new Thread(infoThread).start();
+      try {
+        LOCK.lock();
+        condition.await();
+      } catch (InterruptedException e) {
+        e.printStackTrace();
+      } finally {
+        LOCK.unlock();
+      }
     }
   }
 
-  private void startDownload() {
+  /**
+   * @param needCloneInfo 第一次下载，信息已经在{@link FtpDirInfoThread}中clone了
+   */
+  private void startDownload(boolean needCloneInfo) {
+    try {
+      LOCK.lock();
+      condition.signalAll();
+    } finally {
+      LOCK.unlock();
+    }
+    initState();
     for (DTaskWrapper wrapper : mGTWrapper.getSubTaskWrapper()) {
+      if (needCloneInfo) {
+        cloneInfo(wrapper);
+      }
       if (wrapper.getState() != IEntity.STATE_COMPLETE) {
         createAndStartSubLoader(wrapper);
       }
     }
   }
+
+  private void cloneInfo(DTaskWrapper subWrapper) {
+    FtpUrlEntity urlEntity = mGTWrapper.asFtp().getUrlEntity().clone();
+    Uri uri = Uri.parse(subWrapper.getEntity().getUrl());
+    String remotePath = uri.getPath();
+    urlEntity.remotePath = TextUtils.isEmpty(remotePath) ? "/" : remotePath;
+
+    subWrapper.asFtp().setUrlEntity(urlEntity);
+    subWrapper.asFtp().setCharSet(mGTWrapper.asFtp().getCharSet());
+    subWrapper.asFtp().setProxy(mGTWrapper.asFtp().getProxy());
+  }
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/group/FtpDirInfoThread.java b/Aria/src/main/java/com/arialyy/aria/core/download/group/FtpDirInfoThread.java
index d88eb05c..3fa05f97 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/group/FtpDirInfoThread.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/group/FtpDirInfoThread.java
@@ -25,7 +25,9 @@ import com.arialyy.aria.core.download.DTaskWrapper;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.inf.AbsTaskWrapper;
+import com.arialyy.aria.exception.BaseException;
 import com.arialyy.aria.util.CommonUtil;
+import com.arialyy.aria.util.RecordUtil;
 import java.nio.charset.Charset;
 import java.util.ArrayList;
 
@@ -94,4 +96,9 @@ class FtpDirInfoThread extends AbsFtpInfoThread<DownloadGroupEntity, DGTaskWrapp
     subWrapper.asFtp().setCharSet(mTaskWrapper.asFtp().getCharSet());
     subWrapper.asFtp().setProxy(mTaskWrapper.asFtp().getProxy());
   }
+
+  @Override protected void failDownload(BaseException e, boolean needRetry) {
+    super.failDownload(e, needRetry);
+    RecordUtil.delGroupTaskRecord(mTaskWrapper.getEntity(), true, true);
+  }
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/group/SubDLoadUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/group/SubDLoadUtil.java
index 91ca46f1..ee9713b8 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/group/SubDLoadUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/group/SubDLoadUtil.java
@@ -24,7 +24,7 @@ import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.downloader.Downloader;
 import com.arialyy.aria.core.download.downloader.HttpFileInfoThread;
 import com.arialyy.aria.core.inf.AbsEntity;
-import com.arialyy.aria.core.inf.AbsTaskWrapper;
+import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.core.scheduler.ISchedulers;
 import com.arialyy.aria.exception.BaseException;
 import com.arialyy.aria.util.ALog;
@@ -106,7 +106,7 @@ class SubDLoadUtil implements IUtil {
   }
 
   @Override public void start() {
-    if (mWrapper.getRequestType() == AbsTaskWrapper.D_HTTP) {
+    if (mWrapper.getRequestType() == ITaskWrapper.D_HTTP) {
       if (needGetInfo) {
         new Thread(new HttpFileInfoThread(mWrapper, new OnFileInfoCallback() {
 
@@ -123,7 +123,7 @@ class SubDLoadUtil implements IUtil {
         mDownloader = new Downloader(mListener, mWrapper);
         mDownloader.start();
       }
-    } else if (mWrapper.getRequestType() == AbsTaskWrapper.D_FTP) {
+    } else if (mWrapper.getRequestType() == ITaskWrapper.D_FTP) {
       mDownloader = new Downloader(mListener, mWrapper);
       mDownloader.start();
     } else {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8InfoThread.java b/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8InfoThread.java
index c4007657..aa1fd357 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8InfoThread.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8InfoThread.java
@@ -53,7 +53,7 @@ import java.util.regex.Pattern;
  * https://blog.csdn.net/Guofengpu/article/details/54922865
  */
 final class M3U8InfoThread implements Runnable {
-  private final String TAG = "M3U8FileInfoThread";
+  private final String TAG = "M3U8InfoThread";
   private DownloadEntity mEntity;
   private DTaskWrapper mTaskWrapper;
   private int mConnectTimeOut;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8LiveLoader.java b/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8LiveLoader.java
index 162d5bb2..e31ea849 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8LiveLoader.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8LiveLoader.java
@@ -127,7 +127,7 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
    */
   private M3U8ThreadTask createThreadTask(String cacheDir, int indexId, String tsUrl) {
     ThreadRecord record = new ThreadRecord();
-    record.key = mRecord.filePath;
+    record.taskKey = mRecord.filePath;
     record.isComplete = false;
     record.tsUrl = tsUrl;
     record.threadType = TaskRecord.TYPE_M3U8_LIVE;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8LiveUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8LiveUtil.java
index 84b38c77..45fa8f5b 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8LiveUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8LiveUtil.java
@@ -95,10 +95,14 @@ public class M3U8LiveUtil implements IUtil {
     if (mInfoThread != null) {
       mInfoThread.setStop(true);
       closeTimer();
-      if (mLoader.mergeFile()) {
-        mListener.onComplete();
+      if (mWrapper.asM3U8().isMergeFile()) {
+        if (mLoader.mergeFile()) {
+          mListener.onComplete();
+        } else {
+          mListener.onFail(false, new M3U8Exception(TAG, "合并文件失败"));
+        }
       } else {
-        mListener.onFail(false, new M3U8Exception(TAG, "合并文件失败"));
+        mListener.onComplete();
       }
     }
   }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8TaskConfig.java b/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8TaskConfig.java
index d4780351..d4fd86e1 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8TaskConfig.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8TaskConfig.java
@@ -46,7 +46,7 @@ public class M3U8TaskConfig {
   /**
    * 合并处理器
    */
-  private WeakReference<ITsMergeHandler> mergeHandler;
+  private ITsMergeHandler mergeHandler;
 
   /**
    * 已完成的ts分片数量
@@ -147,7 +147,7 @@ public class M3U8TaskConfig {
   }
 
   public IBandWidthUrlConverter getBandWidthUrlConverter() {
-    return bandWidthUrlConverter.get();
+    return bandWidthUrlConverter == null ? null : bandWidthUrlConverter.get();
   }
 
   public void setBandWidthUrlConverter(IBandWidthUrlConverter bandWidthUrlConverter) {
@@ -187,11 +187,11 @@ public class M3U8TaskConfig {
   }
 
   public ITsMergeHandler getMergeHandler() {
-    return mergeHandler.get();
+    return mergeHandler;
   }
 
   public void setMergeHandler(ITsMergeHandler mergeHandler) {
-    this.mergeHandler = new WeakReference<>(mergeHandler);
+    this.mergeHandler = mergeHandler;
   }
 
   public IVodTsUrlConverter getVodUrlConverter() {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8VodLoader.java b/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8VodLoader.java
index af375b79..a4ecced1 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8VodLoader.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8VodLoader.java
@@ -619,6 +619,10 @@ public class M3U8VodLoader extends BaseM3U8Loader {
       boolean isSuccess;
       if (mergeHandler != null) {
         isSuccess = mergeHandler.merge(mTaskWrapper.asM3U8().getKeyInfo(), partPath);
+
+        if (mergeHandler.getClass().isAnonymousClass()) {
+          mTaskWrapper.asM3U8().setMergeHandler(null);
+        }
       } else {
         isSuccess = FileUtil.mergeFile(taskRecord.filePath, partPath);
       }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/event/ErrorEvent.java b/Aria/src/main/java/com/arialyy/aria/core/event/ErrorEvent.java
new file mode 100644
index 00000000..82124c9d
--- /dev/null
+++ b/Aria/src/main/java/com/arialyy/aria/core/event/ErrorEvent.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.event;
+
+public class ErrorEvent {
+  public long taskId;
+  public String errorMsg;
+
+  public ErrorEvent(long taskId, String errorMsg) {
+    this.taskId = taskId;
+    this.errorMsg = errorMsg;
+  }
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsEntity.java b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsEntity.java
index b4e25d02..f7ea95fd 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsEntity.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsEntity.java
@@ -191,8 +191,8 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable,
   /**
    * 实体驱动的下载任务类型
    *
-   * @return {@link AbsTaskWrapper#D_FTP}、{@link AbsTaskWrapper#D_FTP_DIR}、{@link
-   * AbsTaskWrapper#U_HTTP}...
+   * @return {@link ITaskWrapper#D_FTP}、{@link ITaskWrapper#D_FTP_DIR}、{@link
+   * ITaskWrapper#U_HTTP}...
    */
   public abstract int getTaskType();
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsGroupEntity.java b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsGroupEntity.java
index 5324435d..c35381d9 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsGroupEntity.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsGroupEntity.java
@@ -26,7 +26,8 @@ import java.util.List;
  */
 public abstract class AbsGroupEntity extends AbsEntity implements Parcelable {
   /**
-   * 为子任务地址相加的url的Md5
+   * 组合任务等hash为： 为子任务地址相加的url的Md5
+   * ftpdir为：ftpdir下载地址
    */
   @Unique protected String groupHash;
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsGroupTaskWrapper.java b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsGroupTaskWrapper.java
index 321e6964..fe6f199c 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsGroupTaskWrapper.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsGroupTaskWrapper.java
@@ -16,6 +16,7 @@
 package com.arialyy.aria.core.inf;
 
 import com.arialyy.aria.core.download.DownloadGroupEntity;
+import com.arialyy.aria.core.event.ErrorEvent;
 import java.util.List;
 
 /**
@@ -24,6 +25,19 @@ import java.util.List;
 public abstract class AbsGroupTaskWrapper<ENTITY extends AbsEntity, SUB extends AbsTaskWrapper>
     extends AbsTaskWrapper<ENTITY> {
 
+  /**
+   * 错误信息
+   */
+  private ErrorEvent errorEvent;
+
+  public ErrorEvent getErrorEvent() {
+    return errorEvent;
+  }
+
+  public void setErrorEvent(ErrorEvent errorEvent) {
+    this.errorEvent = errorEvent;
+  }
+
   public AbsGroupTaskWrapper(ENTITY entity) {
     super(entity);
   }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskWrapper.java b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskWrapper.java
index 42a5625e..5d41213e 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskWrapper.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskWrapper.java
@@ -23,6 +23,7 @@ import com.arialyy.aria.core.config.DownloadConfig;
 import com.arialyy.aria.core.config.UploadConfig;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupEntity;
+import com.arialyy.aria.core.event.ErrorEvent;
 import com.arialyy.aria.core.upload.UploadEntity;
 
 /**
@@ -45,8 +46,8 @@ public abstract class AbsTaskWrapper<ENTITY extends AbsEntity>
   private boolean isNewTask = false;
 
   /**
-   * 请求类型 {@link AbsTaskWrapper#D_HTTP}、{@link AbsTaskWrapper#D_FTP}、{@link
-   * AbsTaskWrapper#D_FTP_DIR}。。。
+   * 请求类型 {@link ITaskWrapper#D_HTTP}、{@link ITaskWrapper#D_FTP}、{@link
+   * ITaskWrapper#D_FTP_DIR}。。。
    */
   private int requestType = D_HTTP;
 
@@ -71,10 +72,23 @@ public abstract class AbsTaskWrapper<ENTITY extends AbsEntity>
    */
   private ENTITY entity;
 
+  /**
+   * 错误信息
+   */
+  private ErrorEvent errorEvent;
+
   public AbsTaskWrapper(ENTITY entity) {
     this.entity = entity;
   }
 
+  public ErrorEvent getErrorEvent() {
+    return errorEvent;
+  }
+
+  public void setErrorEvent(ErrorEvent errorEvent) {
+    this.errorEvent = errorEvent;
+  }
+
   /**
    * 任务识别标志 {@link AbsEntity#getKey()}
    */
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/ICheckEntityUtil.java b/Aria/src/main/java/com/arialyy/aria/core/inf/ICheckEntityUtil.java
new file mode 100644
index 00000000..6f164169
--- /dev/null
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/ICheckEntityUtil.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.inf;
+
+public interface ICheckEntityUtil {
+
+  /**
+   * 检查实体对象
+   *
+   * @return true 成功；false 失败
+   */
+  boolean checkEntity();
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/ITaskWrapper.java b/Aria/src/main/java/com/arialyy/aria/core/inf/ITaskWrapper.java
index a99b8707..701247fa 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/ITaskWrapper.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/ITaskWrapper.java
@@ -22,6 +22,8 @@ import com.arialyy.aria.core.download.DownloadGroupEntity;
  */
 public interface ITaskWrapper<ENTITY extends AbsEntity> {
 
+  int DEFAULT = 0;
+
   /**
    * HTTP单任务载
    */
diff --git a/Aria/src/main/java/com/arialyy/aria/core/manager/DGTaskWrapperFactory.java b/Aria/src/main/java/com/arialyy/aria/core/manager/DGTaskWrapperFactory.java
index f503cd61..efca22d4 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/manager/DGTaskWrapperFactory.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/manager/DGTaskWrapperFactory.java
@@ -53,20 +53,6 @@ class DGTaskWrapperFactory implements IGroupWrapperFactory<DownloadGroupEntity,
     return wrapper;
   }
 
-  //@Override public DGTaskWrapper getFtpDirWrapper(long taskId) {
-  //  DownloadGroupEntity entity = DbDataHelper.getOrCreateFtpDGEntity(ftpUrl);
-  //  DGTaskWrapper fte = new DGTaskWrapper(entity);
-  //  fte.asFtp().setUrlEntity(CommonUtil.getFtpUrlInfo(ftpUrl));
-  //
-  //  if (fte.getEntity().getSubEntities() == null) {
-  //    fte.getEntity().setSubEntities(new ArrayList<DownloadEntity>());
-  //  }
-  //  if (fte.getSubTaskWrapper() == null) {
-  //    fte.setSubTaskWrapper(new ArrayList<DTaskWrapper>());
-  //  }
-  //  return fte;
-  //}
-
   /**
    * 获取组合任务实体 如果数据库不存在该实体，则新创建一个新的任务组实体
    */
diff --git a/Aria/src/main/java/com/arialyy/aria/core/manager/TaskWrapperManager.java b/Aria/src/main/java/com/arialyy/aria/core/manager/TaskWrapperManager.java
index 061b79ce..239c86bf 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/manager/TaskWrapperManager.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/manager/TaskWrapperManager.java
@@ -29,7 +29,7 @@ import java.util.concurrent.locks.ReentrantLock;
  * Created by Aria.Lao on 2017/11/1. 任务实体管理器
  */
 public class TaskWrapperManager {
-  private static final String TAG = "TaskManager";
+  private static final String TAG = "TaskWrapperManager";
   private static volatile TaskWrapperManager INSTANCE = null;
   private LruCache<String, AbsTaskWrapper> cache = new LruCache<>(1024);
   private Lock lock;
@@ -37,7 +37,9 @@ public class TaskWrapperManager {
   public static TaskWrapperManager getInstance() {
     if (INSTANCE == null) {
       synchronized (TaskWrapperManager.class) {
-        INSTANCE = new TaskWrapperManager();
+        if (INSTANCE == null) {
+          INSTANCE = new TaskWrapperManager();
+        }
       }
     }
     return INSTANCE;
@@ -81,7 +83,7 @@ public class TaskWrapperManager {
           return null;
         }
         wrapper = factory.create(taskId);
-        cache.put(convertKey(clazz, taskId), wrapper);
+        putTaskWrapper(wrapper);
       }
       return (TW) wrapper;
     } finally {
@@ -107,7 +109,7 @@ public class TaskWrapperManager {
           return null;
         }
         tWrapper = factory.getGroupWrapper(taskId);
-        cache.put(convertKey(clazz, taskId), tWrapper);
+        putTaskWrapper(tWrapper);
       }
       return (TW) tWrapper;
     } finally {
@@ -119,30 +121,17 @@ public class TaskWrapperManager {
    * 更新任务Wrapper
    */
   public void putTaskWrapper(AbsTaskWrapper wrapper) {
-    final Lock lock = this.lock;
-    lock.lock();
-    try {
-      cache.put(convertKey(wrapper.getClass(), wrapper.getEntity().getId()), wrapper);
-    } finally {
-      lock.unlock();
-    }
-  }
-
-  /**
-   * 向管理器中增加任务实体
-   *
-   * @return {@code false} 实体为null，添加失败
-   */
-  public boolean addTaskWrapper(AbsTaskWrapper wrapper) {
     if (wrapper == null) {
       ALog.e(TAG, "任务实体添加失败");
-      return false;
+      return;
+    }
+    if (wrapper.getEntity() == null || wrapper.getEntity().getId() == -1) {
+      return;
     }
     final Lock lock = this.lock;
     lock.lock();
     try {
-      return cache.put(convertKey(wrapper.getClass(), wrapper.getEntity().getId()), wrapper)
-          != null;
+      cache.put(convertKey(wrapper.getClass(), wrapper.getEntity().getId()), wrapper);
     } finally {
       lock.unlock();
     }
@@ -151,11 +140,11 @@ public class TaskWrapperManager {
   /**
    * 通过key删除任务实体 当任务complete或删除记录时将删除缓存
    */
-  public AbsTaskWrapper removeTaskWrapper(AbsTaskWrapper wrapper) {
+  public void removeTaskWrapper(AbsTaskWrapper wrapper) {
     final Lock lock = this.lock;
     lock.lock();
     try {
-      return cache.remove(convertKey(wrapper.getClass(), wrapper.getEntity().getId()));
+      cache.remove(convertKey(wrapper.getClass(), wrapper.getEntity().getId()));
     } finally {
       lock.unlock();
     }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/queue/AbsTaskQueue.java b/Aria/src/main/java/com/arialyy/aria/core/queue/AbsTaskQueue.java
index 98ab974f..91a1963a 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/queue/AbsTaskQueue.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/queue/AbsTaskQueue.java
@@ -177,7 +177,7 @@ public abstract class AbsTaskQueue<TASK extends AbsTask, TASK_WRAPPER extends Ab
   }
 
   @Override public TASK createTask(TASK_WRAPPER wrapper) {
-    TaskWrapperManager.getInstance().addTaskWrapper(wrapper);
+    TaskWrapperManager.getInstance().putTaskWrapper(wrapper);
     return null;
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseExecutePool.java b/Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseExecutePool.java
index 05c17124..03fe9e49 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseExecutePool.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseExecutePool.java
@@ -161,7 +161,7 @@ public class BaseExecutePool<TASK extends AbsTask> implements IPool<TASK> {
   @Override public TASK getTask(String key) {
     synchronized (LOCK) {
       if (TextUtils.isEmpty(key)) {
-        ALog.e(TAG, "key 为null");
+        ALog.e(TAG, "key为null");
         return null;
       }
       return mExecuteMap.get(CommonUtil.keyToHashKey(key));
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/CheckUEntityUtil.java b/Aria/src/main/java/com/arialyy/aria/core/upload/CheckUEntityUtil.java
index 881d9867..156cc36b 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/CheckUEntityUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/CheckUEntityUtil.java
@@ -16,11 +16,13 @@
 package com.arialyy.aria.core.upload;
 
 import android.text.TextUtils;
+import com.arialyy.aria.core.inf.ICheckEntityUtil;
+import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CheckUtil;
 import java.io.File;
 
-public class CheckUEntityUtil {
+public class CheckUEntityUtil implements ICheckEntityUtil {
   private final String TAG = "CheckUEntityUtil";
   private UTaskWrapper mWrapper;
   private UploadEntity mEntity;
@@ -34,7 +36,13 @@ public class CheckUEntityUtil {
     mEntity = mWrapper.getEntity();
   }
 
+  @Override
   public boolean checkEntity() {
+    if (mWrapper.getErrorEvent() != null) {
+      ALog.e(TAG, mWrapper.getErrorEvent().errorMsg);
+      return false;
+    }
+
     boolean b = checkFtps() && checkUrl() && checkFilePath();
     if (b) {
       mEntity.save();
@@ -94,7 +102,8 @@ public class CheckUEntityUtil {
   }
 
   private boolean checkFtps() {
-    if (mWrapper.asFtp().getUrlEntity().isFtps) {
+    if (mWrapper.getRequestType() == ITaskWrapper.U_FTP && mWrapper.asFtp()
+        .getUrlEntity().isFtps) {
       if (TextUtils.isEmpty(mWrapper.asFtp().getUrlEntity().storePath)) {
         ALog.e(TAG, "证书路径为空");
         return false;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/UNormalConfigHandler.java b/Aria/src/main/java/com/arialyy/aria/core/upload/UNormalConfigHandler.java
index cb8fb2c9..f9eae1de 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/UNormalConfigHandler.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/UNormalConfigHandler.java
@@ -16,6 +16,7 @@
 package com.arialyy.aria.core.upload;
 
 import com.arialyy.aria.core.common.ftp.IFtpUploadInterceptor;
+import com.arialyy.aria.core.event.ErrorEvent;
 import com.arialyy.aria.core.inf.AbsEntity;
 import com.arialyy.aria.core.inf.AbsTarget;
 import com.arialyy.aria.core.inf.IConfigHandler;
@@ -42,6 +43,9 @@ class UNormalConfigHandler<TARGET extends AbsTarget> implements IConfigHandler {
 
   private void initTarget(long taskId, String targetName) {
     mWrapper = TaskWrapperManager.getInstance().getNormalTaskWrapper(UTaskWrapper.class, taskId);
+    if (taskId != -1 && mWrapper.getEntity().getId() == -1) {
+      mWrapper.setErrorEvent(new ErrorEvent(taskId, String.format("没有id为%s的任务", taskId)));
+    }
     mEntity = mWrapper.getEntity();
     mTarget.setTargetName(targetName);
     mTarget.setTaskWrapper(mWrapper);
@@ -50,6 +54,7 @@ class UNormalConfigHandler<TARGET extends AbsTarget> implements IConfigHandler {
 
   void setFilePath(String filePath) {
     File file = new File(filePath);
+    mEntity.setFilePath(filePath);
     mEntity.setFileName(file.getName());
     mEntity.setFileSize(file.length());
   }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/UploadEntity.java b/Aria/src/main/java/com/arialyy/aria/core/upload/UploadEntity.java
index 476773f4..9cff621f 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/UploadEntity.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/UploadEntity.java
@@ -18,7 +18,7 @@ package com.arialyy.aria.core.upload;
 import android.os.Parcel;
 import android.os.Parcelable;
 import com.arialyy.aria.core.inf.AbsNormalEntity;
-import com.arialyy.aria.core.inf.AbsTaskWrapper;
+import com.arialyy.aria.core.inf.ITaskWrapper;
 import com.arialyy.aria.orm.annotation.Primary;
 
 /**
@@ -57,7 +57,7 @@ public class UploadEntity extends AbsNormalEntity implements Parcelable {
   }
 
   @Override public int getTaskType() {
-    return getUrl().startsWith("ftp") ? AbsTaskWrapper.D_FTP : AbsTaskWrapper.D_HTTP;
+    return getUrl().startsWith("ftp") ? ITaskWrapper.D_FTP : ITaskWrapper.D_HTTP;
   }
 
   public UploadEntity() {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpFileInfoThread.java b/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpFileInfoThread.java
index fbe55682..3be4fbb1 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpFileInfoThread.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpFileInfoThread.java
@@ -144,7 +144,7 @@ class FtpFileInfoThread extends AbsFtpInfoThread<UploadEntity, UTaskWrapper> {
         ThreadRecord threadRecord;
         if (record.threadRecords == null || record.threadRecords.isEmpty()) {
           threadRecord = new ThreadRecord();
-          threadRecord.key = record.filePath;
+          threadRecord.taskKey = record.filePath;
         } else {
           threadRecord = record.threadRecords.get(0);
         }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpThreadTask.java b/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpThreadTask.java
index 15890a06..e681508f 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpThreadTask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpThreadTask.java
@@ -176,7 +176,7 @@ class FtpThreadTask extends AbsFtpThreadTask<UploadEntity, UTaskWrapper> {
         fail(mChildCurrentLocation,
             new AriaIOException(TAG,
                 String.format("文件上传错误，错误码为：%s, msg：%s, filePath: %s", reply,
-                    client.getReplyString(), getEntity().getFilePath())));
+                    client.getReplyString(), getEntity().getFilePath())), false);
       }
       if (client.isConnected()) {
         client.disconnect();
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/SimpleUploadUtil.java b/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/SimpleUploadUtil.java
index 51a56135..528da2d4 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/SimpleUploadUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/SimpleUploadUtil.java
@@ -22,7 +22,6 @@ import com.arialyy.aria.core.inf.AbsEntity;
 import com.arialyy.aria.core.inf.AbsTaskWrapper;
 import com.arialyy.aria.core.inf.IUploadListener;
 import com.arialyy.aria.core.upload.UTaskWrapper;
-import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.exception.BaseException;
 import com.arialyy.aria.util.CheckUtil;
 
@@ -33,7 +32,6 @@ import com.arialyy.aria.util.CheckUtil;
 public class SimpleUploadUtil implements IUtil, Runnable {
   private static final String TAG = "SimpleUploadUtil";
 
-  private UploadEntity mUploadEntity;
   private UTaskWrapper mTaskWrapper;
   private IUploadListener mListener;
   private Uploader mUploader;
@@ -42,7 +40,6 @@ public class SimpleUploadUtil implements IUtil, Runnable {
   public SimpleUploadUtil(UTaskWrapper taskWrapper, IUploadListener listener) {
     mTaskWrapper = taskWrapper;
     CheckUtil.checkTaskEntity(taskWrapper);
-    mUploadEntity = taskWrapper.getEntity();
     if (listener == null) {
       throw new IllegalArgumentException("上传监听不能为空");
     }
diff --git a/Aria/src/main/java/com/arialyy/aria/exception/ParamException.java b/Aria/src/main/java/com/arialyy/aria/exception/ParamException.java
index fb77a9e0..b2299c2f 100644
--- a/Aria/src/main/java/com/arialyy/aria/exception/ParamException.java
+++ b/Aria/src/main/java/com/arialyy/aria/exception/ParamException.java
@@ -1,24 +1,24 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.exception;
-
-public class ParamException extends RuntimeException {
-  private static final String ARIA_NET_EXCEPTION = "Aria Params Exception:";
-
-  public ParamException(String message) {
-    super(String.format("%s%s", ARIA_NET_EXCEPTION, message));
-  }
-}
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.exception;
+
+public class ParamException extends RuntimeException {
+  private static final String ARIA_NET_EXCEPTION = "Aria Params Exception:";
+
+  public ParamException(String message) {
+    super(String.format("%s%s", ARIA_NET_EXCEPTION, message));
+  }
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/orm/DBConfig.java b/Aria/src/main/java/com/arialyy/aria/orm/DBConfig.java
index cedd69d8..e50113e7 100644
--- a/Aria/src/main/java/com/arialyy/aria/orm/DBConfig.java
+++ b/Aria/src/main/java/com/arialyy/aria/orm/DBConfig.java
@@ -38,7 +38,7 @@ class DBConfig {
   static boolean DEBUG = false;
   static Map<String, Class> mapping = new LinkedHashMap<>();
   static String DB_NAME;
-  static int VERSION = 51;
+  static int VERSION = 52;
 
   /**
    * 是否将数据库保存在Sd卡，{@code true} 是
diff --git a/Aria/src/main/java/com/arialyy/aria/orm/DelegateFind.java b/Aria/src/main/java/com/arialyy/aria/orm/DelegateFind.java
index ae8e01ad..fad82460 100644
--- a/Aria/src/main/java/com/arialyy/aria/orm/DelegateFind.java
+++ b/Aria/src/main/java/com/arialyy/aria/orm/DelegateFind.java
@@ -15,7 +15,6 @@
  */
 package com.arialyy.aria.orm;
 
-import android.annotation.SuppressLint;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.text.TextUtils;
@@ -30,10 +29,8 @@ import java.lang.reflect.Field;
 import java.net.URLDecoder;
 import java.util.ArrayList;
 import java.util.Date;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
 
 /**
  * Created by laoyuyu on 2018/3/22.
diff --git a/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java b/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java
index 5957d750..1795cb79 100644
--- a/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java
+++ b/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java
@@ -100,6 +100,8 @@ final class SqlHelper extends SQLiteOpenHelper {
         handle360AriaUpdate(db);
       } else if (oldVersion < 51) {
         handle365Update(db);
+      } else if (oldVersion < 52) {
+        handle366Update(db);
       } else {
         handleDbUpdate(db, null, null);
       }
@@ -239,23 +241,43 @@ final class SqlHelper extends SQLiteOpenHelper {
    */
   private void delRepeatThreadRecord(SQLiteDatabase db) {
     String repeatSql =
-        "DELETE FROM ThreadRecord WHERE (key, threadId, endLocation) "
-            + "IN (SELECT key, threadId, endLocation FROM ThreadRecord GROUP BY key, threadId, endLocation "
+        "DELETE FROM ThreadRecord WHERE (taskKey, threadId, endLocation) "
+            + "IN (SELECT taskKey, threadId, endLocation FROM ThreadRecord GROUP BY taskKey, threadId, endLocation "
             + "HAVING COUNT(*) > 1) AND rowid "
-            + "NOT IN (SELECT MIN(rowid) FROM ThreadRecord GROUP BY key, threadId, endLocation "
+            + "NOT IN (SELECT MIN(rowid) FROM ThreadRecord GROUP BY taskKey, threadId, endLocation "
             + "HAVING COUNT(*)> 1)";
     ALog.d(TAG, repeatSql);
     db.execSQL(repeatSql);
   }
 
+  /**
+   * 处理366版本以下的升级
+   */
+  private void handle366Update(SQLiteDatabase db) {
+    Map<String, Map<String, String>> modifyMap = new HashMap<>();
+    // 处理ThreadRecord的key字段名修改
+    Map<String, String> threadRecordModify = new HashMap<>();
+    threadRecordModify.put("key", "taskKey");
+    modifyMap.put("ThreadRecord", threadRecordModify);
+
+    // 执行升级操作
+    handleDbUpdate(db, modifyMap, null);
+  }
+
   /**
    * 处理365版本以下的升级
    */
   private void handle365Update(SQLiteDatabase db) {
     db.execSQL("UPDATE ThreadRecord SET threadId=0 WHERE threadId=-1");
 
+    Map<String, Map<String, String>> modifyMap = new HashMap<>();
+    // 处理ThreadRecord的key字段名修改
+    Map<String, String> threadRecordModify = new HashMap<>();
+    threadRecordModify.put("key", "taskKey");
+    modifyMap.put("ThreadRecord", threadRecordModify);
+
     // 执行升级操作
-    handleDbUpdate(db, null, null);
+    handleDbUpdate(db, modifyMap, null);
     delRepeatThreadRecord(db);
   }
 
@@ -271,19 +293,25 @@ final class SqlHelper extends SQLiteOpenHelper {
       }
     }
 
-    Map<String, Map<String, String>> columnMap = new HashMap<>();
+    Map<String, Map<String, String>> modifyMap = new HashMap<>();
     // 处理DownloadEntity、DownloadGroupEntity的 groupName字段名的修改
-    Map<String, String> groupNameModify = new HashMap<>();
-    groupNameModify.put("groupName", "groupHash");
-    columnMap.put("DownloadEntity", groupNameModify);
-    columnMap.put("DownloadGroupEntity", groupNameModify);
+    Map<String, String> entityModify = new HashMap<>();
+    entityModify.put("groupName", "groupHash");
+    modifyMap.put("DownloadEntity", entityModify);
+    modifyMap.put("DownloadGroupEntity", entityModify);
+
     // 处理TaskRecord的dGroupName字段名的修改
-    Map<String, String> dGroupNameModify = new HashMap<>();
-    dGroupNameModify.put("dGroupName", "dGroupHash");
-    columnMap.put("TaskRecord", dGroupNameModify);
+    Map<String, String> taskRecordModify = new HashMap<>();
+    taskRecordModify.put("dGroupName", "dGroupHash");
+    modifyMap.put("TaskRecord", taskRecordModify);
+
+    // 处理ThreadRecord的key字段名修改
+    Map<String, String> threadRecordModify = new HashMap<>();
+    threadRecordModify.put("key", "taskKey");
+    modifyMap.put("ThreadRecord", threadRecordModify);
 
     // 执行升级操作
-    handleDbUpdate(db, columnMap, null);
+    handleDbUpdate(db, modifyMap, null);
     delRepeatThreadRecord(db);
   }
 
@@ -324,18 +352,19 @@ final class SqlHelper extends SQLiteOpenHelper {
       i++;
     }
 
-    Map<String, Map<String, String>> modifyColumnMap = new HashMap<>();
-    Map<String, String> dMap = new HashMap<>();
-    dMap.put("groupName", "groupHash");
     // 处理数据库版本小于3的字段改变
-    dMap.put("downloadUrl", "url");
-    dMap.put("isDownloadComplete", "isComplete");
-    modifyColumnMap.put("DownloadEntity", dMap);
-
-    Map<String, String> dGMap = new HashMap<>();
-    dGMap.put("groupName", "groupHash");
-    modifyColumnMap.put("DownloadGroupEntity", dGMap);
-
+    Map<String, Map<String, String>> modifyMap = new HashMap<>();
+    Map<String, String> dEntityModifyMap = new HashMap<>();
+    dEntityModifyMap.put("groupName", "groupHash");
+    dEntityModifyMap.put("downloadUrl", "url");
+    dEntityModifyMap.put("isDownloadComplete", "isComplete");
+    modifyMap.put("DownloadEntity", dEntityModifyMap);
+
+    Map<String, String> dGEntityModifyMap = new HashMap<>();
+    dGEntityModifyMap.put("groupName", "groupHash");
+    modifyMap.put("DownloadGroupEntity", dGEntityModifyMap);
+
+    // 删除字段
     Map<String, List<String>> delColumnMap = new HashMap<>();
     List<String> dEntityDel = new ArrayList<>();
     dEntityDel.add("taskKey");
@@ -344,6 +373,6 @@ final class SqlHelper extends SQLiteOpenHelper {
     dgEntityDel.add("subtask");
     delColumnMap.put("DownloadGroupEntity", dgEntityDel);
 
-    handleDbUpdate(db, modifyColumnMap, delColumnMap);
+    handleDbUpdate(db, modifyMap, delColumnMap);
   }
 }
\ No newline at end of file
diff --git a/Aria/src/main/java/com/arialyy/aria/util/RecordUtil.java b/Aria/src/main/java/com/arialyy/aria/util/RecordUtil.java
index 313568f8..c5d5b522 100644
--- a/Aria/src/main/java/com/arialyy/aria/util/RecordUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/util/RecordUtil.java
@@ -83,7 +83,7 @@ public class RecordUtil {
             }
           }
         }
-        DbEntity.deleteData(ThreadRecord.class, "key=?", record.taskRecord.filePath);
+        DbEntity.deleteData(ThreadRecord.class, "taskKey=?", record.taskRecord.filePath);
         record.taskRecord.deleteData();
       }
     }
@@ -148,15 +148,14 @@ public class RecordUtil {
      */
     if (!entity.isComplete()) {
       if (record.taskType == TaskRecord.TYPE_M3U8_VOD) { // 删除ts分片文件
-        String cacheDir = null;
-        if (!targetFile.isDirectory()) {
-          cacheDir = targetFile.getParent() + "/." + targetFile.getName();
-        }
-        removeTsCache(cacheDir);
+        removeTsCache(targetFile, record.bandWidth);
       } else if (record.isBlock) { // 删除分块文件
         removeBlockFile(record);
       }
     } else if (removeFile) { // 处理任务完成情况
+      if (record.taskType == TaskRecord.TYPE_M3U8_VOD) {
+        removeTsCache(targetFile, record.bandWidth);
+      }
       removeTargetFile(targetFile);
     }
 
@@ -209,16 +208,14 @@ public class RecordUtil {
      */
     if (!entity.isComplete()) {
       if (record.taskType == TaskRecord.TYPE_M3U8_VOD) { // 删除ts分片文件
-        String cacheDir = null;
-        if (!targetFile.isDirectory()) {
-          cacheDir = String.format("%s/.%s_%s", targetFile.getParent(), targetFile.getName(),
-              record.bandWidth);
-        }
-        removeTsCache(cacheDir);
+        removeTsCache(targetFile, record.bandWidth);
       } else if (record.isBlock) { // 删除分块文件
         removeBlockFile(record);
       }
     } else if (removeFile) { // 处理任务完成情况
+      if (record.taskType == TaskRecord.TYPE_M3U8_VOD) {
+        removeTsCache(targetFile, record.bandWidth);
+      }
       removeTargetFile(targetFile);
     }
 
@@ -238,7 +235,7 @@ public class RecordUtil {
 
   private static void removeRecord(String filePath) {
     ALog.i(TAG, "删除任务记录");
-    DbEntity.deleteData(ThreadRecord.class, "key=?", filePath);
+    DbEntity.deleteData(ThreadRecord.class, "taskKey=?", filePath);
     DbEntity.deleteData(TaskRecord.class, "filePath=?", filePath);
   }
 
@@ -287,11 +284,17 @@ public class RecordUtil {
   /**
    * 删除ts文件
    */
-  private static void removeTsCache(String cacheDir) {
+  private static void removeTsCache(File targetFile, long bandWidth) {
+
+    String cacheDir = null;
+    if (!targetFile.isDirectory()) {
+      cacheDir =
+          String.format("%s/.%s_%s", targetFile.getParent(), targetFile.getName(), bandWidth);
+    }
 
     if (!TextUtils.isEmpty(cacheDir)) {
       File cacheDirF = new File(cacheDir);
-      if (!cacheDirF.exists()){
+      if (!cacheDirF.exists()) {
         return;
       }
       File[] files = cacheDirF.listFiles();
@@ -348,7 +351,7 @@ public class RecordUtil {
     // 修改线程记录
     if (record.threadRecords != null && !record.threadRecords.isEmpty()) {
       for (ThreadRecord tr : record.threadRecords) {
-        tr.key = newPath;
+        tr.taskKey = newPath;
         File blockFile = new File(String.format(RecordHandler.SUB_PATH, oldPath, tr.threadId));
         if (blockFile.exists()) {
           blockFile.renameTo(new File(String.format(RecordHandler.SUB_PATH, newPath, tr.threadId)));
diff --git a/DEV_LOG.md b/DEV_LOG.md
index 9023c673..6da61d7d 100644
--- a/DEV_LOG.md
+++ b/DEV_LOG.md
@@ -1,4 +1,7 @@
 ## 开发日志
+  + v_3.7
+    - 适配androidX
+    - 修复组合任务，恢复下载，会出现进度显示为0的问题
   + v_3.6.5
     - fix bug https://github.com/AriaLyy/Aria/issues/403
     - fix bug https://github.com/AriaLyy/Aria/issues/414
diff --git a/README.md b/README.md
index a695aef5..99598aee 100644
--- a/README.md
+++ b/README.md
@@ -158,7 +158,6 @@ protected void onCreate(Bundle savedInstanceState) {
 ## 其他
  有任何问题，可以在[issues](https://github.com/AriaLyy/Aria/issues)给我留言反馈。</br>
  在提交问题前，希望你已经查看过[wiki](https://aria.laoyuyu.me/aria_doc/)或搜索过[issues](https://github.com/AriaLyy/Aria/issues)。</br>
- 交流群：524329160
 
 ***
 
diff --git a/app/src/main/assets/aria_config.xml b/app/src/main/assets/aria_config.xml
index dab01a5e..4956bd53 100644
--- a/app/src/main/assets/aria_config.xml
+++ b/app/src/main/assets/aria_config.xml
@@ -41,10 +41,10 @@
       3、从3.4.1开始，如果线程数为1，文件初始化时将不再预占用对应长度的空间，下载多少byte，则占多大的空间；
          对于3.4.1之前版本的未完成的老任务，依然采用原来的文件空间占用方式；
     -->
-    <threadNum value="3"/>
+    <threadNum value="1"/>
 
     <!--设置下载队列最大任务数， 默认为2-->
-    <maxTaskNum value="1"/>
+    <maxTaskNum value="3"/>
 
     <!--设置下载失败，重试次数，默认为10-->
     <reTryNum value="1"/>
diff --git a/app/src/main/assets/help_code/FtpDownload.java b/app/src/main/assets/help_code/FtpDownload.java
index 6e97d2d2..86a27cb1 100644
--- a/app/src/main/assets/help_code/FtpDownload.java
+++ b/app/src/main/assets/help_code/FtpDownload.java
@@ -40,7 +40,7 @@ public class FtpDownload extends BaseActivity<ActivityTestBinding> {
   }
 
   @Download.onTaskStart void taskStart(DownloadTask task) {
-    Log.d(TAG, "onStart");
+    Log.d(TAG, "onPreStart");
   }
 
   @Download.onTaskRunning protected void running(DownloadTask task) {
diff --git a/app/src/main/java/com/arialyy/simple/core/download/FtpDownloadActivity.java b/app/src/main/java/com/arialyy/simple/core/download/FtpDownloadActivity.java
index 4d0e75e9..8bb4be82 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/FtpDownloadActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/FtpDownloadActivity.java
@@ -46,7 +46,7 @@ import java.io.IOException;
 public class FtpDownloadActivity extends BaseActivity<ActivityFtpDownloadBinding> {
   private String mUrl, mFilePath;
   private FtpDownloadModule mModule;
-  private DownloadEntity mEntity;
+  private long mTaskId;
 
   @Override protected void init(Bundle savedInstanceState) {
     super.init(savedInstanceState);
@@ -60,10 +60,10 @@ public class FtpDownloadActivity extends BaseActivity<ActivityFtpDownloadBinding
         if (entity == null) {
           return;
         }
-        mEntity = entity;
-        if (mEntity.getState() == IEntity.STATE_STOP) {
+        mTaskId = entity.getId();
+        if (entity.getState() == IEntity.STATE_STOP) {
           getBinding().setStateStr(getString(R.string.resume));
-        } else if (mEntity.getState() == IEntity.STATE_RUNNING) {
+        } else if (entity.getState() == IEntity.STATE_RUNNING) {
           getBinding().setStateStr(getString(R.string.stop));
         }
 
@@ -90,29 +90,34 @@ public class FtpDownloadActivity extends BaseActivity<ActivityFtpDownloadBinding
     switch (view.getId()) {
       case R.id.start:
 
-        if (!AppUtil.chekEntityValid(mEntity)) {
-
-          Aria.download(this).loadFtp(mUrl)
+        if (mTaskId == -1) {
+          mTaskId = Aria.download(this).loadFtp(mUrl)
               .setFilePath(mFilePath, true)
-              .option().login("N0rI", "0qcK")
+              .option()
+              .login("8L8e", "8guD")
               .controller(ControllerType.START_CONTROLLER)
               .start();
           getBinding().setStateStr(getString(R.string.stop));
           break;
         }
-        if (Aria.download(this).load(mEntity.getId()).isRunning()) {
+        if (Aria.download(this).load(mTaskId).isRunning()) {
           getBinding().setStateStr(getString(R.string.resume));
-          Aria.download(this).loadFtp(mEntity.getId()).stop();
+          Aria.download(this).loadFtp(mTaskId).stop();
         } else {
-          Aria.download(this).loadFtp(mEntity.getId()).resume();
+          Aria.download(this)
+              .loadFtp(mTaskId)
+              .option()
+              .login("8L8e", "8guD")
+              .controller(ControllerType.NORMAL_CONTROLLER)
+              .resume();
           getBinding().setStateStr(getString(R.string.stop));
         }
         break;
 
       case R.id.cancel:
-        if (AppUtil.chekEntityValid(mEntity)) {
-          Aria.download(this).loadFtp(mEntity.getId()).cancel();
-        }
+        Aria.download(this).loadFtp(mTaskId).cancel();
+        getBinding().setStateStr(getString(R.string.start));
+        mTaskId = -1;
         break;
     }
   }
@@ -162,12 +167,13 @@ public class FtpDownloadActivity extends BaseActivity<ActivityFtpDownloadBinding
 
   @Download.onTaskFail() void taskFail(DownloadTask task) {
     L.d(TAG, "ftp task fail");
+    getBinding().setStateStr(getString(R.string.resume));
   }
 
   @Download.onTaskComplete() void taskComplete(DownloadTask task) {
     getBinding().setSpeed("");
     getBinding().setProgress(100);
-    Log.d(TAG, "md5 ==> " + CommonUtil.getFileMD5(new File(task.getDownloadPath())));
+    Log.d(TAG, "md5 ==> " + CommonUtil.getFileMD5(new File(task.getFilePath())));
     T.showShort(this, "文件：" + task.getEntity().getFileName() + "，下载完成");
   }
 
diff --git a/app/src/main/java/com/arialyy/simple/core/download/HighestPriorityActivity.java b/app/src/main/java/com/arialyy/simple/core/download/HighestPriorityActivity.java
index e16baec6..97569912 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/HighestPriorityActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/HighestPriorityActivity.java
@@ -16,7 +16,6 @@
 package com.arialyy.simple.core.download;
 
 import android.os.Bundle;
-import android.os.Environment;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.view.Menu;
@@ -149,15 +148,11 @@ public class HighestPriorityActivity extends BaseActivity<ActivityHighestPriorit
     switch (view.getId()) {
       case R.id.start:
         if (AppUtil.chekEntityValid(mEntity)) {
-          Aria.download(this)
-              .load(DOWNLOAD_URL)
-              .setFilePath(Environment.getExternalStorageDirectory().getPath()
-                  + "/Download/"
-                  + mTaskName
-                  + ".apk")
-              .setHighestPriority();
-        } else {
-          Aria.download(this).load(mEntity.getId()).resume();
+          String text = ((TextView) view).getText().toString();
+          if (text.equals("重新开始？") || text.equals("开始")) {
+          } else {
+            Aria.download(this).load(mEntity.getId()).resume();
+          }
         }
         ((TextView) view).setText(getString(R.string.stop));
         break;
diff --git a/app/src/main/java/com/arialyy/simple/core/download/SingleTaskActivity.java b/app/src/main/java/com/arialyy/simple/core/download/SingleTaskActivity.java
index d7f50a4e..129ac520 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/SingleTaskActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/SingleTaskActivity.java
@@ -55,7 +55,7 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   private String mUrl;
   private String mFilePath;
   private HttpDownloadModule mModule;
-  private DownloadEntity mEntity;
+  private long mTaskId = -1;
 
   BroadcastReceiver receiver = new BroadcastReceiver() {
     @Override
@@ -95,11 +95,10 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
         if (entity == null) {
           return;
         }
-        mEntity = entity;
-
-        if (mEntity.getState() == IEntity.STATE_STOP) {
+        mTaskId = entity.getId();
+        if (entity.getState() == IEntity.STATE_STOP) {
           getBinding().setStateStr(getString(R.string.resume));
-        } else if (mEntity.getState() == IEntity.STATE_RUNNING) {
+        } else if (entity.getState() == IEntity.STATE_RUNNING) {
           getBinding().setStateStr(getString(R.string.stop));
         }
 
@@ -231,6 +230,7 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   @Download.onTaskCancel
   void taskCancel(DownloadTask task) {
     if (task.getKey().equals(mUrl)) {
+      mTaskId = -1;
       getBinding().setProgress(0);
       getBinding().setStateStr(getString(R.string.start));
       getBinding().setSpeed("");
@@ -267,25 +267,24 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   public void onClick(View view) {
     switch (view.getId()) {
       case R.id.start:
-        if (!AppUtil.chekEntityValid(mEntity)) {
+        if (mTaskId == -1) {
           startD();
+          break;
         }
-        if (Aria.download(this).load(mEntity.getId()).isRunning()) {
-          Aria.download(this).load(mEntity.getId()).stop();
+        if (Aria.download(this).load(mTaskId).isRunning()) {
+          Aria.download(this).load(mTaskId).stop();
         } else {
-          Aria.download(this).load(mEntity.getId()).resume();
+          Aria.download(this).load(mTaskId).resume();
         }
         break;
       case R.id.cancel:
-        if (AppUtil.chekEntityValid(mEntity)) {
-          Aria.download(this).load(mEntity.getId()).cancel(true);
-        }
+        Aria.download(this).load(mTaskId).cancel(true);
         break;
     }
   }
 
   private void startD() {
-    Aria.download(SingleTaskActivity.this)
+    mTaskId = Aria.download(SingleTaskActivity.this)
         .load(mUrl)
         .useServerFileName(true)
         .setFilePath(mFilePath, true)
diff --git a/app/src/main/java/com/arialyy/simple/core/download/group/DownloadGroupActivity.java b/app/src/main/java/com/arialyy/simple/core/download/group/DownloadGroupActivity.java
index 9fce4b02..70e3b102 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/group/DownloadGroupActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/group/DownloadGroupActivity.java
@@ -32,7 +32,6 @@ import com.arialyy.frame.util.show.T;
 import com.arialyy.simple.R;
 import com.arialyy.simple.base.BaseActivity;
 import com.arialyy.simple.databinding.ActivityDownloadGroupBinding;
-import com.arialyy.simple.util.AppUtil;
 import com.arialyy.simple.widget.SubStateLinearLayout;
 import java.util.List;
 import java.util.Map;
@@ -44,7 +43,7 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
 
   private SubStateLinearLayout mChildList;
   private List<String> mUrls;
-  private DownloadGroupEntity mEntity;
+  private long mTaskId = -1;
 
   @Override protected void init(Bundle savedInstanceState) {
     super.init(savedInstanceState);
@@ -53,21 +52,22 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
 
     mChildList = getBinding().childList;
     mUrls = getModule(GroupModule.class).getUrls();
-    mEntity = Aria.download(this).getGroupEntity(mUrls);
-    if (mEntity != null) {
-      mChildList.addData(mEntity.getSubEntities());
+    DownloadGroupEntity entity = Aria.download(this).getGroupEntity(mUrls);
+    if (entity != null) {
+      mTaskId = entity.getId();
+      mChildList.addData(entity.getSubEntities());
       getBinding().setStateStr(
-          mEntity.getState() == IEntity.STATE_RUNNING ? getString(R.string.stop)
+          entity.getState() == IEntity.STATE_RUNNING ? getString(R.string.stop)
               : getString(R.string.resume));
-      getBinding().setFileSize(mEntity.getConvertFileSize());
-      if (mEntity.getFileSize() == 0) {
+      getBinding().setFileSize(entity.getConvertFileSize());
+      if (entity.getFileSize() == 0) {
         getBinding().setProgress(0);
       } else {
-        getBinding().setProgress(mEntity.isComplete() ? 100
-            : (int) (mEntity.getCurrentProgress() * 100 / mEntity.getFileSize()));
+        getBinding().setProgress(entity.isComplete() ? 100
+            : (int) (entity.getCurrentProgress() * 100 / entity.getFileSize()));
       }
       ALog.d(TAG,
-          "size = " + mEntity.getSubEntities().size() + "; len = " + mEntity.getConvertFileSize());
+          "size = " + entity.getSubEntities().size() + "; len = " + entity.getConvertFileSize());
     }
 
     mChildList.setOnItemClickListener(new SubStateLinearLayout.OnItemClickListener() {
@@ -90,8 +90,8 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
   public void onClick(View view) {
     switch (view.getId()) {
       case R.id.start:
-        if (!AppUtil.chekEntityValid(mEntity)) {
-          Aria.download(this)
+        if (mTaskId == -1) {
+          mTaskId = Aria.download(this)
               .loadGroup(mUrls)
               .setDirPath(
                   Environment.getExternalStorageDirectory().getPath() + "/Download/group_test_2")
@@ -117,17 +117,17 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
           getBinding().setStateStr(getString(R.string.stop));
           break;
         }
-        if (Aria.download(this).loadGroup(mEntity.getId()).isRunning()) {
-          Aria.download(this).loadGroup(mEntity.getId()).stop();
+        if (Aria.download(this).loadGroup(mTaskId).isRunning()) {
+          Aria.download(this).loadGroup(mTaskId).stop();
+          getBinding().setStateStr(getString(R.string.resume));
         } else {
-          Aria.download(this).loadGroup(mEntity.getId()).resume();
+          Aria.download(this).loadGroup(mTaskId).resume();
+          getBinding().setStateStr(getString(R.string.stop));
         }
         break;
       case R.id.cancel:
-        if (AppUtil.chekEntityValid(mEntity)) {
-
-          Aria.download(this).loadGroup(mEntity.getId()).cancel(true);
-        }
+        Aria.download(this).loadGroup(mTaskId).cancel(true);
+        mTaskId = -1;
         break;
     }
   }
@@ -141,9 +141,6 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
   }
 
   @DownloadGroup.onTaskPre() protected void onTaskPre(DownloadGroupTask task) {
-    if (mChildList.getSubData().size() <= 0) {
-      mChildList.addData(task.getEntity().getSubEntities());
-    }
     L.d(TAG, "group task pre");
     getBinding().setFileSize(task.getConvertFileSize());
     if (mChildList.getSubData().size() <= 0) {
diff --git a/app/src/main/java/com/arialyy/simple/core/download/group/FTPDirDownloadActivity.java b/app/src/main/java/com/arialyy/simple/core/download/group/FTPDirDownloadActivity.java
index 215af5a9..bae9ea71 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/group/FTPDirDownloadActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/group/FTPDirDownloadActivity.java
@@ -23,37 +23,43 @@ import com.arialyy.aria.core.Aria;
 import com.arialyy.aria.core.common.controller.ControllerType;
 import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.download.DownloadGroupTask;
+import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.frame.util.show.L;
 import com.arialyy.frame.util.show.T;
 import com.arialyy.simple.R;
 import com.arialyy.simple.base.BaseActivity;
 import com.arialyy.simple.databinding.ActivityDownloadGroupBinding;
-import com.arialyy.simple.util.AppUtil;
 import com.arialyy.simple.widget.SubStateLinearLayout;
 
 /**
  * Created by lyy on 2017/7/6.
  */
 public class FTPDirDownloadActivity extends BaseActivity<ActivityDownloadGroupBinding> {
-  private static final String dir = "ftp://9.9.9.50:21/upload/测试";
+  private static final String dir = "ftp://9.9.9.205:2121/upload/测试";
 
   private SubStateLinearLayout mChildList;
-  private DownloadGroupEntity mEntity;
+  private long mTaskId = -1;
 
   @Override protected void init(Bundle savedInstanceState) {
     super.init(savedInstanceState);
     Aria.download(this).register();
     setTitle("FTP文件夹下载");
     mChildList = findViewById(R.id.child_list);
-    mEntity = Aria.download(this).getFtpDirEntity(dir);
-    if (mEntity != null) {
-      mChildList.addData(mEntity.getSubEntities());
-      getBinding().setFileSize(mEntity.getConvertFileSize());
-      if (mEntity.getFileSize() == 0) {
+    DownloadGroupEntity entity = Aria.download(this).getFtpDirEntity(dir);
+    if (entity != null) {
+      mTaskId = entity.getId();
+      mChildList.addData(entity.getSubEntities());
+      getBinding().setFileSize(entity.getConvertFileSize());
+      if (entity.getState() == IEntity.STATE_RUNNING) {
+        getBinding().setStateStr(getString(R.string.stop));
+      } else {
+        getBinding().setStateStr(getString(R.string.start));
+      }
+      if (entity.getFileSize() == 0) {
         getBinding().setProgress(0);
       } else {
-        getBinding().setProgress(mEntity.isComplete() ? 100
-            : (int) (mEntity.getCurrentProgress() * 100 / mEntity.getFileSize()));
+        getBinding().setProgress(entity.isComplete() ? 100
+            : (int) (entity.getCurrentProgress() * 100 / entity.getFileSize()));
       }
     }
   }
@@ -65,28 +71,35 @@ public class FTPDirDownloadActivity extends BaseActivity<ActivityDownloadGroupBi
   public void onClick(View view) {
     switch (view.getId()) {
       case R.id.start:
-        if (!AppUtil.chekEntityValid(mEntity)) {
-          Aria.download(this)
+        if (mTaskId == -1) {
+          mTaskId = Aria.download(this)
               .loadFtpDir(dir)
               .setDirPath(
                   Environment.getExternalStorageDirectory().getPath() + "/Download/ftp_dir")
               .setGroupAlias("ftp文件夹下载")
               .option()
-              .login("lao", "123456")
+              .login("8L8e", "8guD")
               .controller(ControllerType.START_CONTROLLER)
               .start();
+          getBinding().setStateStr(getString(R.string.stop));
           break;
         }
-        if (Aria.download(this).loadFtpDir(mEntity.getId()).isRunning()) {
-          Aria.download(this).loadFtpDir(mEntity.getId()).stop();
+        if (Aria.download(this).loadFtpDir(mTaskId).isRunning()) {
+          Aria.download(this).loadFtpDir(mTaskId).stop();
+          getBinding().setStateStr(getString(R.string.resume));
         } else {
-          Aria.download(this).loadFtpDir(mEntity.getId()).resume();
+          Aria.download(this)
+              .loadFtpDir(mTaskId)
+              .option()
+              .login("8L8e", "8guD")
+              .controller(ControllerType.NORMAL_CONTROLLER)
+              .resume();
+          getBinding().setStateStr(getString(R.string.stop));
         }
         break;
       case R.id.cancel:
-        if (AppUtil.chekEntityValid(mEntity)) {
-          Aria.download(this).loadFtpDir(mEntity.getId()).cancel();
-        }
+        Aria.download(this).loadFtpDir(mTaskId).cancel();
+        mTaskId = -1;
         break;
     }
   }
@@ -99,12 +112,10 @@ public class FTPDirDownloadActivity extends BaseActivity<ActivityDownloadGroupBi
     if (mChildList.getSubData().size() <= 0) {
       mChildList.addData(task.getEntity().getSubEntities());
     }
-    L.d(TAG, "group task pre");
     getBinding().setFileSize(task.getConvertFileSize());
   }
 
   @DownloadGroup.onTaskStart() void taskStart(DownloadGroupTask task) {
-    L.d(TAG, "group task start");
   }
 
   @DownloadGroup.onTaskRunning() protected void running(DownloadGroupTask task) {
@@ -114,17 +125,16 @@ public class FTPDirDownloadActivity extends BaseActivity<ActivityDownloadGroupBi
   }
 
   @DownloadGroup.onTaskResume() void taskResume(DownloadGroupTask task) {
-    L.d(TAG, "group task resume");
   }
 
   @DownloadGroup.onTaskStop() void taskStop(DownloadGroupTask task) {
-    L.d(TAG, "group task stop");
     getBinding().setSpeed("");
   }
 
   @DownloadGroup.onTaskCancel() void taskCancel(DownloadGroupTask task) {
     getBinding().setSpeed("");
     getBinding().setProgress(0);
+    getBinding().setStateStr(getString(R.string.start));
   }
 
   @DownloadGroup.onTaskFail() void taskFail(DownloadGroupTask task) {
diff --git a/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8VodDLoadActivity.java b/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8VodDLoadActivity.java
index c65f5f8c..11440726 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8VodDLoadActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8VodDLoadActivity.java
@@ -47,7 +47,6 @@ import com.arialyy.simple.common.ModifyPathDialog;
 import com.arialyy.simple.common.ModifyUrlDialog;
 import com.arialyy.simple.databinding.ActivityM3u8VodBinding;
 import com.arialyy.simple.to.PeerIndex;
-import com.arialyy.simple.util.AppUtil;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
@@ -61,7 +60,7 @@ public class M3U8VodDLoadActivity extends BaseActivity<ActivityM3u8VodBinding> {
   private String mFilePath;
   private M3U8VodModule mModule;
   private VideoPlayerFragment mVideoFragment;
-  private DownloadEntity mEntity;
+  private long mTaskId;
 
   @Override
   protected void init(Bundle savedInstanceState) {
@@ -75,10 +74,10 @@ public class M3U8VodDLoadActivity extends BaseActivity<ActivityM3u8VodBinding> {
         if (entity == null) {
           return;
         }
-        mEntity = entity;
-        if (mEntity.getState() == IEntity.STATE_STOP) {
+        mTaskId = entity.getId();
+        if (entity.getState() == IEntity.STATE_STOP) {
           getBinding().setStateStr(getString(R.string.resume));
-        } else if (mEntity.getState() == IEntity.STATE_RUNNING) {
+        } else if (entity.getState() == IEntity.STATE_RUNNING) {
           getBinding().setStateStr(getString(R.string.stop));
         }
 
@@ -272,26 +271,47 @@ public class M3U8VodDLoadActivity extends BaseActivity<ActivityM3u8VodBinding> {
   public void onClick(View view) {
     switch (view.getId()) {
       case R.id.start:
-        if (!AppUtil.chekEntityValid(mEntity)) {
+        if (mTaskId == -1) {
           startD();
           break;
         }
-        if (Aria.download(this).load(mEntity.getId()).isRunning()) {
-          Aria.download(this).load(mEntity.getId()).stop();
+        if (Aria.download(this).load(mTaskId).isRunning()) {
+          Aria.download(this).load(mTaskId).stop();
         } else {
-          Aria.download(this).load(mEntity.getId()).resume();
+          Aria.download(this)
+              .load(mTaskId)
+              .asM3U8()
+              .setBandWidthUrlConverter(new IBandWidthUrlConverter() {
+                @Override public String convert(String bandWidthUrl) {
+                  int index = mUrl.lastIndexOf("/");
+                  return mUrl.substring(0, index + 1) + bandWidthUrl;
+                }
+              })
+              .setTsUrlConvert(new IVodTsUrlConverter() {
+                @Override public List<String> convert(String m3u8Url, List<String> tsUrls) {
+                  int index = m3u8Url.lastIndexOf("/");
+                  String parentUrl = m3u8Url.substring(0, index + 1);
+                  List<String> newUrls = new ArrayList<>();
+                  for (String url : tsUrls) {
+                    newUrls.add(parentUrl + url);
+                  }
+
+                  return newUrls;
+                }
+              })
+              .controller(ControllerType.NORMAL_CONTROLLER)
+              .resume();
         }
         break;
       case R.id.cancel:
-        if (AppUtil.chekEntityValid(mEntity)) {
-          Aria.download(this).load(mEntity.getId()).cancel(true);
-        }
+        Aria.download(this).load(mTaskId).cancel(true);
+        mTaskId = -1;
         break;
     }
   }
 
   private void startD() {
-    Aria.download(M3U8VodDLoadActivity.this)
+    mTaskId = Aria.download(M3U8VodDLoadActivity.this)
         .load(mUrl)
         .useServerFileName(true)
         .setFilePath(mFilePath, true)
@@ -315,15 +335,13 @@ public class M3U8VodDLoadActivity extends BaseActivity<ActivityM3u8VodBinding> {
           }
         })
         .setMergeHandler(new ITsMergeHandler() {
-          @Override public boolean merge(@Nullable M3U8KeyInfo keyInfo, List<String> tsPath) {
+          public boolean merge(@Nullable M3U8KeyInfo keyInfo, List<String> tsPath) {
+            ALog.d(TAG, "合并TS....");
             return false;
           }
         })
         .controller(ControllerType.START_CONTROLLER)
         .start();
-    //.start();
-    //.asVod().setPeerIndex(50)
-    //.start();
   }
 
   private Class<StartController> c = StartController.class;
diff --git a/app/src/main/java/com/arialyy/simple/core/download/m3u8/VideoPlayerFragment.java b/app/src/main/java/com/arialyy/simple/core/download/m3u8/VideoPlayerFragment.java
index 9b5f6b4f..fd119ef0 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/m3u8/VideoPlayerFragment.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/m3u8/VideoPlayerFragment.java
@@ -55,7 +55,7 @@ public class VideoPlayerFragment extends BaseFragment<FragmentVideoPlayerBinding
     getBinding().surfaceView.getHolder().addCallback(new SurfaceHolder.Callback() {
       @Override public void surfaceCreated(SurfaceHolder holder) {
         mSurfaceHolder = holder;
-        startNewPlayer(mPlayers.valueAt(0));
+        //startNewPlayer(mPlayers.valueAt(0));
       }
 
       @Override
diff --git a/app/src/main/java/com/arialyy/simple/core/download/multi_download/DownloadAdapter.java b/app/src/main/java/com/arialyy/simple/core/download/multi_download/DownloadAdapter.java
index 22c98af2..959748c5 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/multi_download/DownloadAdapter.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/multi_download/DownloadAdapter.java
@@ -207,10 +207,10 @@ public class DownloadAdapter extends AbsRVAdapter<AbsEntity, DownloadAdapter.Sim
     //删除按钮事件
     holder.cancel.setOnClickListener(new View.OnClickListener() {
       @Override public void onClick(View v) {
-        //        mData.remove(entity);
+        mData.remove(entity);
         notifyDataSetChanged();
-        //        cancel(entity);
-        stop(entity);
+        cancel(entity);
+        //stop(entity);
       }
     });
     //if (holder instanceof GroupHolder){
diff --git a/app/src/main/java/com/arialyy/simple/core/download/multi_download/MultiTaskActivity.java b/app/src/main/java/com/arialyy/simple/core/download/multi_download/MultiTaskActivity.java
index 52baad4e..949d3738 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/multi_download/MultiTaskActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/multi_download/MultiTaskActivity.java
@@ -32,8 +32,8 @@ import com.arialyy.aria.util.ALog;
 import com.arialyy.frame.util.FileUtil;
 import com.arialyy.simple.R;
 import com.arialyy.simple.base.BaseActivity;
-import com.arialyy.simple.databinding.ActivityMultiBinding;
 import com.arialyy.simple.core.download.DownloadModule;
+import com.arialyy.simple.databinding.ActivityMultiBinding;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
@@ -136,7 +136,7 @@ public class MultiTaskActivity extends BaseActivity<ActivityMultiBinding> {
   }
 
   @DownloadGroup.onTaskFail void groupTaskFail(DownloadGroupTask task) {
-    if (task == null){
+    if (task == null) {
       return;
     }
     mAdapter.updateBtState(task.getKey(), true);
diff --git a/app/src/main/java/com/arialyy/simple/core/upload/FtpUploadActivity.java b/app/src/main/java/com/arialyy/simple/core/upload/FtpUploadActivity.java
index bb4b57bc..a2967129 100644
--- a/app/src/main/java/com/arialyy/simple/core/upload/FtpUploadActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/upload/FtpUploadActivity.java
@@ -52,7 +52,7 @@ public class FtpUploadActivity extends BaseActivity<ActivityFtpUploadBinding> {
   private String mFilePath;
   private String mUrl;
   private UploadModule mModule;
-  private UploadEntity mEntity;
+  private long mTaskId = -1;
 
   @Override protected void init(Bundle savedInstanceState) {
     setTile("D_FTP 文件上传");
@@ -67,8 +67,8 @@ public class FtpUploadActivity extends BaseActivity<ActivityFtpUploadBinding> {
     mModule = ViewModelProviders.of(this).get(UploadModule.class);
     mModule.getFtpInfo(this).observe(this, new Observer<UploadEntity>() {
       @Override public void onChanged(@Nullable UploadEntity entity) {
-        mEntity = entity;
         if (entity != null) {
+          mTaskId = entity.getId();
           if (entity.getFileSize() != 0) {
             getBinding().setFileSize(CommonUtil.formatFileSize(entity.getFileSize()));
             getBinding().setProgress(entity.isComplete() ? 100
@@ -79,7 +79,7 @@ public class FtpUploadActivity extends BaseActivity<ActivityFtpUploadBinding> {
           mUrl = entity.getUrl();
           mFilePath = entity.getFilePath();
           getBinding().setStateStr(getString(
-              entity.getState() == IEntity.STATE_RUNNING ? R.string.stop : R.string.resume));
+              entity.getState() == IEntity.STATE_RUNNING ? R.string.stop : R.string.start));
         } else {
           getBinding().setStateStr(getString(R.string.resume));
         }
@@ -113,38 +113,47 @@ public class FtpUploadActivity extends BaseActivity<ActivityFtpUploadBinding> {
   public void onClick(View view) {
     switch (view.getId()) {
       case R.id.start:
-        if (!AppUtil.chekEntityValid(mEntity)) {
-          Aria.upload(this).loadFtp(mFilePath).setUploadUrl(mUrl).setUploadInterceptor(
-              new IFtpUploadInterceptor() {
-
-                @Override
-                public FtpInterceptHandler onIntercept(UploadEntity entity, List<String> fileList) {
-                  FtpInterceptHandler.Builder builder = new FtpInterceptHandler.Builder();
-                  //builder.coverServerFile();
-                  builder.resetFileName("test.zip");
-                  return builder.build();
-                }
-              })
+        if (mTaskId == -1) {
+          mTaskId = Aria.upload(this)
+              .loadFtp(mFilePath)
+              .setUploadUrl(mUrl)
+              .setUploadInterceptor(
+                  new IFtpUploadInterceptor() {
+
+                    @Override
+                    public FtpInterceptHandler onIntercept(UploadEntity entity,
+                        List<String> fileList) {
+                      FtpInterceptHandler.Builder builder = new FtpInterceptHandler.Builder();
+                      //builder.coverServerFile();
+                      builder.resetFileName("test.zip");
+                      return builder.build();
+                    }
+                  })
               .option()
-              .login("N0rI", "0qcK")
+              .login("8L8e", "8guD")
               .controller(ControllerType.START_CONTROLLER)
               .start();
           getBinding().setStateStr(getString(R.string.stop));
           break;
         }
-        if (Aria.download(this).loadFtp(mEntity.getId()).isRunning()) {
-          Aria.download(this).loadFtp(mEntity.getId()).stop();
+        if (Aria.upload(this).loadFtp(mTaskId).isRunning()) {
+          Aria.upload(this).loadFtp(mTaskId).stop();
           getBinding().setStateStr(getString(R.string.resume));
         } else {
-          Aria.download(this).loadFtp(mEntity.getId()).resume();
+          Aria.upload(this)
+              .loadFtp(mTaskId)
+              .option()
+              .login("8L8e", "8guD")
+              .controller(ControllerType.NORMAL_CONTROLLER)
+              .resume();
           getBinding().setStateStr(getString(R.string.stop));
         }
 
         break;
       case R.id.cancel:
-        if (AppUtil.chekEntityValid(mEntity)) {
-          Aria.upload(this).loadFtp(mEntity.getId()).cancel();
-        }
+        Aria.upload(this).loadFtp(mTaskId).cancel();
+        mTaskId = -1;
+        getBinding().setStateStr(getString(R.string.start));
         break;
     }
   }
@@ -179,6 +188,7 @@ public class FtpUploadActivity extends BaseActivity<ActivityFtpUploadBinding> {
 
   @Upload.onTaskFail public void taskFail(UploadTask task) {
     Log.d(TAG, "上传失败");
+    getBinding().setStateStr(getString(R.string.resume));
   }
 
   @Upload.onTaskRunning public void taskRunning(UploadTask task) {
@@ -191,6 +201,7 @@ public class FtpUploadActivity extends BaseActivity<ActivityFtpUploadBinding> {
     getBinding().setProgress(100);
     getBinding().setSpeed("");
     T.showShort(this, "文件：" + task.getEntity().getFileName() + "，上传完成");
+    getBinding().setStateStr(getString(R.string.re_start));
   }
 
   @Override protected void dataCallback(int result, Object data) {
diff --git a/app/src/main/java/com/arialyy/simple/modlue/AnyRunnModule.java b/app/src/main/java/com/arialyy/simple/modlue/AnyRunnModule.java
index ab4158f1..f7e91123 100644
--- a/app/src/main/java/com/arialyy/simple/modlue/AnyRunnModule.java
+++ b/app/src/main/java/com/arialyy/simple/modlue/AnyRunnModule.java
@@ -52,7 +52,7 @@ public class AnyRunnModule {
   }
 
   @Download.onTaskStart void taskStart(DownloadTask task) {
-    Log.d(TAG, "onStart");
+    Log.d(TAG, "onPreStart");
   }
 
   @Download.onTaskRunning protected void running(DownloadTask task) {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index cfd04d89..2e4adb69 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -64,26 +64,16 @@
 
 
   <string-array name="test_apk_download_url">
-    <item>http://static.gaoshouyou.com/d/22/94/822260b849944492caadd2983f9bb624.apk</item>  <!--300M的文件-->
-    <item>http://static.gaoshouyou.com/d/21/e8/61218d78d0e8b79df68dbc18dd484c97.apk</item>
-    <item>http://static.gaoshouyou.com/d/12/0d/7f120f50c80d2e7b8c4ba24ece4f9cdd.apk</item>
     <item>http://static.gaoshouyou.com/d/d4/4f/d6d48db3794fb9ecf47e83c346570881.apk</item>
-    <!--<item>http://static.gaoshouyou.com/d/18/cf/ba18113bc6cf56c1c5863e761e717003.apk</item>-->
-    <!--<item>http://static.gaoshouyou.com/d/60/17/2460921367173ea7145f11194a6f2587.apk</item>-->
-    <!--<item>http://static.gaoshouyou.com/d/32/e0/1a32123ecbe0ee010d35479df248f90f.apk</item>-->
-    <!--<item>http://static.gaoshouyou.com/d/22/94/822260b849944492caadd2983f9bb624.apk</item>-->
-    <!--<item>http://static.gaoshouyou.com/d/e6/f5/4de6329f9cf5dc3a1d1e6bbcca0d003c.apk</item>-->
-    <!--<item>http://static.gaoshouyou.com/d/6e/e5/ff6ecaaf45e532e6d07747af82357472.apk</item>-->
-    <!--<item>http://static.gaoshouyou.com/d/36/69/2d3699acfa69e9632262442c46516ad8.apk</item>-->
   </string-array>
 
   <string-array name="file_nams">
-    <item>阴阳师</item>
-    <item>奇迹暖暖</item>
-    <item>幻影纹章</item>
-    <item>史上最坑爹的游戏10</item>
-    <item>鲜果消消乐</item>
-    <item>航海奇迹</item>
+    <item>王者荣耀</item>
+    <item>植物大战僵尸</item>
+    <item>部落冲突</item>
+    <item>瘟疫公司</item>
+    <item>水上公园大战</item>
+    <item>死亡之雨</item>
 
     <item>test_1</item>
     <item>test_2</item>
@@ -91,13 +81,12 @@
 
   </string-array>
   <string-array name="download_url">
-    <item>https://g37.gdl.netease.com/onmyoji_netease_10_1.0.20.apk</item>
-    <item>http://static.gaoshouyou.com/d/eb/f2/dfeba30541f209ab8a50d847fc1661ce.apk</item>
-    <item>http://rs.0.gaoshouyou.com/d/51/46/58514d126c46b8a3f27fc8c7db3b09ec.apk</item>
-    <item>http://rs.0.gaoshouyou.com/d/23/69/07238f952669727878d7a0e180534c8b.apk</item>
-    <item>http://rs.0.gaoshouyou.com/d/e7/3d/73e716d3353de5b479fcf7da8d36a5ef.apk</item>
-    <item>http://static.gaoshouyou.com/d/22/94/822260b849944492caadd2983f9bb624.apk</item>
-
+    <item>https://downs.muzhiwan.com/2019/06/28/com.tencent.tmgp.sgame5d15f9df3bb4d.gpk</item>
+    <item>https://downs.muzhiwan.com/2017/03/15/com.ea.game.pvz2_row58c8bfc00eea8.gpk</item>
+    <item>https://downs.muzhiwan.com/2019/07/04/com.supercell.clashofclans.ewan.mzw_5d1da09397884.apk</item>
+    <item>https://downs.muzhiwan.com/2019/02/28/com.miniclip.plagueinc_5c77596c79179.apk</item>
+    <item>https://downs.muzhiwan.com/2019/06/03/com.aqua.slide_5cf4b69e90e6a.apk</item>
+    <item>https://downs.muzhiwan.com/2019/05/07/com.tinydevbox.deadrain2_g_5cd14a8aedb2f.apk</item>
     <item>http://dby-resource-android.duobeiyun.com/jz22a8508b4265466b9fb4bb29082eaa2d.zip</item>
     <item>http://dby-resource-android.duobeiyun.com/jz05fa8faf068145fcb25c93c8091297ad.zip</item>
     <item>http://dby-resource-android.duobeiyun.com/jz684e1b4c2f6b4576979e60fd95edebad.zip</item>
diff --git a/build.gradle b/build.gradle
index 1fac0216..05b0c05b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -43,7 +43,7 @@ task clean(type: Delete) {
 ext {
   userOrg = 'arialyy'
   groupId = 'com.arialyy.aria'
-  publishVersion = '3.6.5'
+  publishVersion = '3.6.6_beta_1'
 //  publishVersion = '1.0.4'  //FTP插件
   repoName='maven'
   desc = 'android 下载框架'
diff --git a/gradle.properties b/gradle.properties
index 3f9aa62f..e720aeae 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,27 +1,27 @@
-## Project-wide Gradle settings.
-#
-# For more details on how to configure your build environment visit
-# http://www.gradle.org/docs/current/userguide/build_environment.html
-#
-# Specifies the JVM arguments used for the daemon process.
-# The setting is particularly useful for tweaking memory settings.
-# Default value: -Xmx1024m -XX:MaxPermSize=256m
-# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
-#
-# When configured, Gradle will run in incubating parallel mode.
-# This option should only be used with decoupled projects. More details, visit
-# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
-#Wed Dec 07 20:19:22 CST 2016
-#org.gradle.daemon=true
-#org.gradle.jvmargs=-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005
-# gradle proxy https://chaosleong.github.io/2017/02/10/Configuring-Gradle-Proxy/
-#systemProp.socksProxyHost=127.0.0.1
-#systemProp.socksProxyPort=1080
-#systemprop.socksProxyVersion=5
-
-#Pandroid.debug.obsoleteApi=true
-
-# androidx https://developer.android.com/studio/preview/features/?hl=zh-cn#androidx_migration
-#android.useAndroidX=true
+## Project-wide Gradle settings.
+#
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+#
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+# Default value: -Xmx1024m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+#
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+#Wed Dec 07 20:19:22 CST 2016
+#org.gradle.daemon=true
+#org.gradle.jvmargs=-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005
+# gradle proxy https://chaosleong.github.io/2017/02/10/Configuring-Gradle-Proxy/
+#systemProp.socksProxyHost=127.0.0.1
+#systemProp.socksProxyPort=1080
+#systemprop.socksProxyVersion=5
+
+#Pandroid.debug.obsoleteApi=true
+
+# androidx https://developer.android.com/studio/preview/features/?hl=zh-cn#androidx_migration
+#android.useAndroidX=true
 #android.enableJetifier=true
\ No newline at end of file