diff --git a/Aria/build.gradle b/Aria/build.gradle
index 41a68320..3d928fe3 100644
--- a/Aria/build.gradle
+++ b/Aria/build.gradle
@@ -23,7 +23,6 @@ dependencies {
   testCompile 'junit:junit:4.12'
   compile 'com.android.support:appcompat-v7:23.1.1'
 //  compile project(':AriaCompiler')
-    compile project(':AriaAnnotations')
+    compile project(':AriaAnnotations') //gradle 打包时打开这个
 }
 apply from: 'bintray-release.gradle'
-//apply from: 'jcenter.gradle'
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DListener.java b/Aria/src/main/java/com/arialyy/aria/core/download/DListener.java
index e9e15f70..2d31b0d8 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DListener.java
@@ -28,7 +28,7 @@ import java.lang.ref.WeakReference;
 /**
  * 下载监听类
  */
-final class DListener<ENTITY extends AbsEntity, TASK extends AbsTask<ENTITY>>
+class DListener<ENTITY extends AbsEntity, TASK extends AbsTask<ENTITY>>
     extends DownloadListener {
   private WeakReference<Handler> outHandler;
   private long lastLen = 0;   //上一次发送长度
@@ -81,7 +81,6 @@ final class DListener<ENTITY extends AbsEntity, TASK extends AbsTask<ENTITY>>
   }
 
   @Override public void onStop(long stopLocation) {
-    //saveData(IEntity.STATE_STOP, stopLocation);
     saveData(isWait ? IEntity.STATE_WAIT : IEntity.STATE_STOP, stopLocation);
     handleSpeed(0);
     sendInState2Target(ISchedulers.STOP);
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/DownloadGroupUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/DownloadGroupUtil.java
index 6c3edd69..d8a44363 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/DownloadGroupUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/DownloadGroupUtil.java
@@ -106,10 +106,11 @@ public class DownloadGroupUtil implements IDownloadUtil {
         mTotalSize += entity.getFileSize();
         mCompleteNum++;
         mInitNum++;
+        mCurrentLocation += entity.getFileSize();
       } else {
         mExeMap.put(entity.getDownloadUrl(), createChildDownloadTask(entity));
+        mCurrentLocation += entity.getCurrentProgress();
       }
-      mCurrentLocation += entity.getCurrentProgress();
     }
   }
 
@@ -284,6 +285,7 @@ public class DownloadGroupUtil implements IDownloadUtil {
   private DownloadTaskEntity createChildDownloadTask(DownloadEntity entity) {
     DownloadTaskEntity taskEntity = mTasksMap.get(entity.getDownloadUrl());
     if (taskEntity != null) {
+      taskEntity.entity = entity;
       return taskEntity;
     }
     taskEntity = new DownloadTaskEntity();
@@ -335,16 +337,21 @@ public class DownloadGroupUtil implements IDownloadUtil {
     }
 
     @Override public void onProgress(long currentLocation) {
-      mCurrentLocation += (currentLocation - lastLen);
+      long speed = currentLocation - lastLen;
+      mCurrentLocation += speed;
       lastLen = currentLocation;
+      entity.setCurrentProgress(currentLocation);
+      handleSpeed(speed);
     }
 
     @Override public void onStop(long stopLocation) {
       saveData(IEntity.STATE_STOP, stopLocation);
+      handleSpeed(0);
     }
 
     @Override public void onCancel() {
       saveData(IEntity.STATE_CANCEL, -1);
+      handleSpeed(0);
     }
 
     @Override public void onComplete() {
@@ -354,11 +361,13 @@ public class DownloadGroupUtil implements IDownloadUtil {
         closeTimer();
         mListener.onComplete();
       }
+      handleSpeed(0);
     }
 
     @Override public void onFail() {
       entity.setFailNum(entity.getFailNum() + 1);
       saveData(IEntity.STATE_FAIL, -1);
+      handleSpeed(0);
       reTry();
     }
 
@@ -374,6 +383,11 @@ public class DownloadGroupUtil implements IDownloadUtil {
       }
     }
 
+    private void handleSpeed(long speed) {
+      entity.setSpeed(speed);
+      entity.setConvertSpeed(speed <= 0 ? "" : CommonUtil.formatFileSize(speed) + "/s");
+    }
+
     private void saveData(int state, long location) {
       entity.setState(state);
       entity.setComplete(state == IEntity.STATE_COMPLETE);
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 676ec5e0..a7fa8721 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
@@ -90,28 +90,18 @@ class Downloader implements Runnable, IDownloadUtil {
     mListener.onPostPre(mEntity.getFileSize());
     mConstance.cleanState();
     mConstance.isDownloading = true;
-    try {
-      if (!mTaskEntity.isSupportBP) {
-        mThreadNum = 1;
-        mConstance.THREAD_NUM = mThreadNum;
-        handleNoSupportBreakpointDownload();
-      } else {
-        mThreadNum = isNewTask ? (mEntity.getFileSize() <= SUB_LEN ? 1
-            : AriaManager.getInstance(mContext).getDownloadConfig().getThreadNum())
-            : mRealThreadNum;
-        mConstance.THREAD_NUM = mThreadNum;
-        mFixedThreadPool = Executors.newFixedThreadPool(mThreadNum);
-        handleBreakpoint();
-      }
-      startTimer();
-    } catch (IOException e) {
-      failDownload("下载失败【downloadUrl:"
-          + mEntity.getDownloadUrl()
-          + "】\n【filePath:"
-          + mEntity.getDownloadPath()
-          + "】\n"
-          + CommonUtil.getPrintException(e));
+    if (!mTaskEntity.isSupportBP) {
+      mThreadNum = 1;
+      mConstance.THREAD_NUM = mThreadNum;
+      handleNoSupportBreakpointDownload();
+    } else {
+      mThreadNum = isNewTask ? (mEntity.getFileSize() <= SUB_LEN ? 1
+          : AriaManager.getInstance(mContext).getDownloadConfig().getThreadNum()) : mRealThreadNum;
+      mConstance.THREAD_NUM = mThreadNum;
+      mFixedThreadPool = Executors.newFixedThreadPool(mThreadNum);
+      handleBreakpoint();
     }
+    startTimer();
   }
 
   /**
@@ -170,6 +160,7 @@ class Downloader implements Runnable, IDownloadUtil {
 
   @Override public void stopDownload() {
     closeTimer();
+    if (mConstance.isComplete()) return;
     mConstance.isStop = true;
     mConstance.isDownloading = false;
     if (mFixedThreadPool != null) {
@@ -326,7 +317,7 @@ class Downloader implements Runnable, IDownloadUtil {
   /**
    * 处理断点
    */
-  private void handleBreakpoint() throws IOException {
+  private void handleBreakpoint() {
     long fileLength = mEntity.getFileSize();
     Properties pro = CommonUtil.loadConfig(mConfigFile);
     int blockSize = (int) (fileLength / mThreadNum);
@@ -336,14 +327,8 @@ class Downloader implements Runnable, IDownloadUtil {
     }
     int rl = 0;
     if (isNewTask) {
-      CommonUtil.createFile(mTempFile.getPath());
-      BufferedRandomAccessFile file =
-          new BufferedRandomAccessFile(new File(mTempFile.getPath()), "rwd", 8192);
-      //设置文件长度
-      file.setLength(fileLength);
-      file.close();
+      createNewFile(fileLength);
     }
-
     for (int i = 0; i < mThreadNum; i++) {
       long startL = i * blockSize, endL = (i + 1) * blockSize;
       Object state = pro.getProperty(mTempFile.getName() + "_state_" + i);
@@ -375,6 +360,34 @@ class Downloader implements Runnable, IDownloadUtil {
     startSingleTask(recordL);
   }
 
+  /**
+   * 创建新的下载文件
+   */
+  private void createNewFile(long fileLength) {
+    CommonUtil.createFile(mTempFile.getPath());
+    BufferedRandomAccessFile file = null;
+    try {
+      file = new BufferedRandomAccessFile(new File(mTempFile.getPath()), "rwd", 8192);
+      //设置文件长度
+      file.setLength(fileLength);
+    } catch (IOException e) {
+      failDownload("下载失败【downloadUrl:"
+          + mEntity.getDownloadUrl()
+          + "】\n【filePath:"
+          + mEntity.getDownloadPath()
+          + "】\n"
+          + CommonUtil.getPrintException(e));
+    } finally {
+      if (file != null) {
+        try {
+          file.close();
+        } catch (IOException e) {
+          e.printStackTrace();
+        }
+      }
+    }
+  }
+
   /**
    * 处理不支持断点的下载
    */
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/IDownloadListener.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/IDownloadListener.java
index 7b77cd59..aa6f3e2d 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/IDownloadListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/IDownloadListener.java
@@ -16,70 +16,27 @@
 
 package com.arialyy.aria.core.download.downloader;
 
+import com.arialyy.aria.core.inf.IEventListener;
+
 /**
  * 下载监听
  */
-public interface IDownloadListener {
+interface IDownloadListener extends IEventListener {
 
   /**
    * 支持断点回调
    *
    * @param support true,支持；false 不支持
    */
-  public void supportBreakpoint(boolean support);
-
-  /**
-   * 取消下载
-   */
-  public void onCancel();
-
-  /**
-   * 下载失败
-   */
-  public void onFail();
-
-  /**
-   * 预处理，有时有些地址链接比较慢，这时可以先在这个地方出来一些界面上的UI，如按钮的状态
-   */
-  public void onPre();
-
-  /**
-   * 预处理完成,准备下载---开始下载之间
-   */
-  public void onPostPre(long fileSize);
-
-  /**
-   * 下载监听
-   */
-  public void onProgress(long currentLocation);
+  void supportBreakpoint(boolean support);
 
   /**
    * 单一线程的结束位置
    */
-  public void onChildComplete(long finishLocation);
-
-  /**
-   * 开始
-   */
-  public void onStart(long startLocation);
+  void onChildComplete(long finishLocation);
 
   /**
    * 子程恢复下载的位置
    */
-  public void onChildResume(long resumeLocation);
-
-  /**
-   * 恢复位置
-   */
-  public void onResume(long resumeLocation);
-
-  /**
-   * 停止
-   */
-  public void onStop(long stopLocation);
-
-  /**
-   * 下载完成
-   */
-  public void onComplete();
+  void onChildResume(long resumeLocation);
 }
\ No newline at end of file
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 cb35232d..eb611d5f 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
@@ -31,7 +31,7 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable
   /**
    * 单位转换后的速度
    */
-  @Ignore private String convertSpeed = "0b/s";
+  @Ignore private String convertSpeed = "";
   /**
    * 下载失败计数，每次开始都重置为0
    */
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/IEventListener.java b/Aria/src/main/java/com/arialyy/aria/core/inf/IEventListener.java
new file mode 100644
index 00000000..c9842fac
--- /dev/null
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/IEventListener.java
@@ -0,0 +1,68 @@
+/*
+ * 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;
+
+/**
+ * Created by Aria.Lao on 2017/7/18.
+ * 基础事件
+ */
+public interface IEventListener {
+
+  /**
+   * 预处理，有时有些地址链接比较慢，这时可以先在这个地方出来一些界面上的UI，如按钮的状态
+   */
+  void onPre();
+
+  /**
+   * 预处理完成,准备下载---开始下载之间
+   */
+  void onPostPre(long fileSize);
+
+  /**
+   * 开始
+   */
+  void onStart(long startLocation);
+
+  /**
+   * 恢复位置
+   */
+  void onResume(long resumeLocation);
+
+  /**
+   * 下载监听
+   */
+  void onProgress(long currentLocation);
+
+  /**
+   * 停止
+   */
+  void onStop(long stopLocation);
+
+  /**
+   * 下载完成
+   */
+  void onComplete();
+
+  /**
+   * 取消下载
+   */
+  void onCancel();
+
+  /**
+   * 下载失败
+   */
+  void onFail();
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/IUploadListener.java b/Aria/src/main/java/com/arialyy/aria/core/upload/IUploadListener.java
index 02a9e28c..2a8cab14 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/IUploadListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/IUploadListener.java
@@ -15,60 +15,12 @@
  */
 package com.arialyy.aria.core.upload;
 
+import com.arialyy.aria.core.inf.IEventListener;
+
 /**
  * Created by lyy on 2017/2/9.
  * 上传监听
  */
-public interface IUploadListener {
-
-  /**
-   * 预处理
-   */
-  public void onPre();
-
-  /**
-   * 预处理完成
-   */
-  public void onPostPre(long fileSize);
-
-  /**
-   * 开始上传
-   */
-  public void onStart();
-
-  /**
-   * 恢复上传
-   *
-   * @param resumeLocation 上次上传停止位置
-   */
-  public void onResume(long resumeLocation);
-
-  /**
-   * 停止上传
-   *
-   * @param stopLocation 上传停止位置
-   */
-  public void onStop(long stopLocation);
-
-  /**
-   * 上传进度
-   *
-   * @param currentLocation 当前进度
-   */
-  public void onProgress(long currentLocation);
-
-  /**
-   * 取消上传
-   */
-  public void onCancel();
-
-  /**
-   * 上传成功
-   */
-  public void onComplete();
+interface IUploadListener extends IEventListener {
 
-  /**
-   * 上传失败
-   */
-  public void onFail();
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/UploadListener.java b/Aria/src/main/java/com/arialyy/aria/core/upload/UploadListener.java
index b8cfcb6a..a4c432ae 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/UploadListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/UploadListener.java
@@ -18,8 +18,7 @@ package com.arialyy.aria.core.upload;
 /**
  * Created by lyy on 2017/2/23.
  */
-
-public class UploadListener implements IUploadListener {
+class UploadListener implements IUploadListener {
   @Override public void onPre() {
 
   }
@@ -28,7 +27,7 @@ public class UploadListener implements IUploadListener {
 
   }
 
-  @Override public void onStart() {
+  @Override public void onStart(long startLocation) {
 
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/UploadTarget.java b/Aria/src/main/java/com/arialyy/aria/core/upload/UploadTarget.java
index b8e473e1..dd372289 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/UploadTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/UploadTarget.java
@@ -28,10 +28,10 @@ public class UploadTarget extends AbsNormalTarget<UploadTarget, UploadEntity, Up
 
   UploadTarget(String filePath, String targetName) {
     this.mTargetName = targetName;
-    mTaskEntity = DbEntity.findFirst(UploadTaskEntity.class, "groupName=?", filePath);
+    mTaskEntity = DbEntity.findFirst(UploadTaskEntity.class, "key=?", filePath);
     if (mTaskEntity == null) {
       mTaskEntity = new UploadTaskEntity();
-      mTaskEntity.entity = new UploadEntity();
+      mTaskEntity.entity = getUploadEntity(filePath);
     }
     if (mTaskEntity.entity == null) {
       mTaskEntity.entity = getUploadEntity(filePath);
@@ -43,13 +43,14 @@ public class UploadTarget extends AbsNormalTarget<UploadTarget, UploadEntity, Up
     UploadEntity entity = UploadEntity.findFirst(UploadEntity.class, "filePath=?", filePath);
     if (entity == null) {
       entity = new UploadEntity();
+      String regex = "[/|\\\\|//]";
+      Pattern p = Pattern.compile(regex);
+      String[] strs = p.split(filePath);
+      String fileName = strs[strs.length - 1];
+      entity.setFileName(fileName);
+      entity.setFilePath(filePath);
+      entity.insert();
     }
-    String regex = "[/|\\\\|//]";
-    Pattern p = Pattern.compile(regex);
-    String[] strs = p.split(filePath);
-    String fileName = strs[strs.length - 1];
-    entity.setFileName(fileName);
-    entity.setFilePath(filePath);
     return entity;
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/UploadUtil.java b/Aria/src/main/java/com/arialyy/aria/core/upload/UploadUtil.java
index 008869ef..c0ee07d7 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/UploadUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/UploadUtil.java
@@ -109,7 +109,7 @@ final class UploadUtil implements Runnable {
       for (String key : keys) {
         addFormField(writer, key, mTaskEntity.formFields.get(key));
       }
-      mListener.onStart();
+      mListener.onStart(0);
       uploadFile(writer, mTaskEntity.attachment, uploadFile);
       Log.d(TAG, finish(writer) + "");
     } catch (IOException e) {
diff --git a/Aria/src/main/res/layout/activity_aria_file_shange.xml b/Aria/src/main/res/layout/activity_aria_file_shange.xml
deleted file mode 100644
index fd652062..00000000
--- a/Aria/src/main/res/layout/activity_aria_file_shange.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    >
-
-  <ListView
-      android:id="@+id/list"
-      android:layout_width="match_parent"
-      android:layout_height="match_parent"
-      />
-
-</LinearLayout>
\ No newline at end of file
diff --git a/Aria/src/main/res/layout/item_file.xml b/Aria/src/main/res/layout/item_file.xml
deleted file mode 100644
index 7f4c8044..00000000
--- a/Aria/src/main/res/layout/item_file.xml
+++ /dev/null
@@ -1,51 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    android:padding="16dp"
-    >
-
-  <CheckBox
-      android:id="@+id/checkbox"
-      android:layout_width="wrap_content"
-      android:layout_height="wrap_content"
-      android:layout_alignParentRight="true"
-      android:layout_centerVertical="true"
-      android:clickable="false"
-      />
-
-  <ImageView
-      android:id="@+id/img"
-      android:layout_width="50dp"
-      android:layout_height="50dp"
-      android:layout_centerVertical="true"
-      />
-
-  <TextView
-      android:id="@+id/title"
-      android:layout_width="wrap_content"
-      android:layout_height="wrap_content"
-      android:layout_alignTop="@+id/img"
-      android:layout_marginLeft="10dp"
-      android:layout_marginRight="5dp"
-      android:layout_toLeftOf="@+id/checkbox"
-      android:layout_toRightOf="@+id/img"
-      android:ellipsize="end"
-      android:maxLines="1"
-      android:textSize="18sp"
-      android:textStyle="bold"
-      />
-
-  <TextView
-      android:id="@+id/info"
-      android:layout_width="wrap_content"
-      android:layout_height="wrap_content"
-      android:layout_alignLeft="@+id/title"
-      android:layout_below="@+id/title"
-      android:layout_marginRight="5dp"
-      android:layout_marginTop="10dp"
-      android:layout_toLeftOf="@+id/checkbox"
-      />
-
-</RelativeLayout>
\ No newline at end of file
diff --git a/Aria/src/main/res/values/strings.xml b/Aria/src/main/res/values/strings.xml
deleted file mode 100644
index 010e9981..00000000
--- a/Aria/src/main/res/values/strings.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<resources>
-  <string name="app_name">Aria</string>
-
-  <string name="error_entity_null">下载实体不能为空</string>
-  <string name="error_download_url_null">下载链接不能为空</string>
-  <string name="error_download_path_null">存储地址不能为空</string>
-  <string name="error_file_name_null">文件名不能为空</string>
-</resources>
diff --git a/app/src/main/java/com/arialyy/simple/download/group/DownloadGroupActivity.java b/app/src/main/java/com/arialyy/simple/download/group/DownloadGroupActivity.java
index 1839add9..b5471182 100644
--- a/app/src/main/java/com/arialyy/simple/download/group/DownloadGroupActivity.java
+++ b/app/src/main/java/com/arialyy/simple/download/group/DownloadGroupActivity.java
@@ -30,6 +30,7 @@ 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.widget.SubStateLinearLayout;
 import java.util.List;
 
 /**
@@ -40,6 +41,7 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
   @Bind(R.id.start) Button mStart;
   @Bind(R.id.stop) Button mStop;
   @Bind(R.id.cancel) Button mCancel;
+  @Bind(R.id.child_list) SubStateLinearLayout mChildList;
   List<String> mUrls;
 
   @Override protected void init(Bundle savedInstanceState) {
@@ -50,6 +52,7 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
     DownloadGroupTaskEntity entity = Aria.download(this).getDownloadGroupTask(mUrls);
     if (entity != null && entity.getEntity() != null) {
       DownloadGroupEntity groupEntity = entity.getEntity();
+      mChildList.addData(groupEntity.getSubTask());
       getBinding().setFileSize(groupEntity.getConvertFileSize());
       if (groupEntity.getFileSize() == 0) {
         getBinding().setProgress(0);
@@ -69,7 +72,8 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
       case R.id.start:
         Aria.download(this)
             .load(mUrls)
-            .setDownloadDirPath(Environment.getExternalStorageDirectory().getPath() + "/Download/group_test_3")
+            .setDownloadDirPath(
+                Environment.getExternalStorageDirectory().getPath() + "/Download/group_test_3")
             .setGroupAlias("任务组测试")
             .setSubTaskFileName(getModule(GroupModule.class).getSubName())
             .start();
@@ -99,6 +103,7 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
   @DownloadGroup.onTaskRunning() protected void running(DownloadGroupTask task) {
     getBinding().setProgress(task.getPercent());
     getBinding().setSpeed(task.getConvertSpeed());
+    mChildList.updateChildProgress(task.getEntity().getSubTask());
   }
 
   @DownloadGroup.onTaskResume() void taskResume(DownloadGroupTask task) {
diff --git a/app/src/main/java/com/arialyy/simple/download/multi_download/DownloadAdapter.java b/app/src/main/java/com/arialyy/simple/download/multi_download/DownloadAdapter.java
index 38c507d5..676d2bf8 100644
--- a/app/src/main/java/com/arialyy/simple/download/multi_download/DownloadAdapter.java
+++ b/app/src/main/java/com/arialyy/simple/download/multi_download/DownloadAdapter.java
@@ -21,7 +21,6 @@ import android.content.Context;
 import android.content.res.Resources;
 import android.view.View;
 import android.widget.Button;
-import android.widget.LinearLayout;
 import android.widget.TextView;
 import butterknife.Bind;
 import com.arialyy.aria.core.Aria;
@@ -34,7 +33,7 @@ import com.arialyy.simple.R;
 import com.arialyy.simple.base.adapter.AbsHolder;
 import com.arialyy.simple.base.adapter.AbsRVAdapter;
 import com.arialyy.simple.widget.HorizontalProgressBarWithNumber;
-import com.arialyy.simple.widget.NoScrollListView;
+import com.arialyy.simple.widget.SubStateLinearLayout;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -156,6 +155,9 @@ public class DownloadAdapter extends AbsRVAdapter<AbsEntity, DownloadAdapter.Sim
     holder.speed.setText(entity.getConvertSpeed());
     holder.fileSize.setText(covertCurrentSize(progress) + "/" + CommonUtil.formatFileSize(size));
     holder.progress.setProgress(current);
+    //if (holder instanceof GroupHolder){
+    //  handleSubChild((GroupHolder) holder, entity);
+    //}
   }
 
   @SuppressLint("SetTextI18n")
@@ -209,11 +211,17 @@ public class DownloadAdapter extends AbsRVAdapter<AbsEntity, DownloadAdapter.Sim
         }
       }
     });
+    //if (holder instanceof GroupHolder){
+    //  handleSubChild((GroupHolder) holder, entity);
+    //}
   }
 
-  private void handleSubChild(GroupHolder holder, final AbsEntity entity){
-    if (holder.childList.getVisibility() == View.GONE) return;
-
+  private void handleSubChild(GroupHolder holder, final AbsEntity entity) {
+    if (holder.childList.getSubData().size() > 0){
+      holder.childList.updateChildProgress(((DownloadGroupEntity)entity).getSubTask());
+    }else {
+      holder.childList.addData(((DownloadGroupEntity)entity).getSubTask());
+    }
   }
 
   private boolean isSimpleDownload(AbsEntity entity) {
@@ -287,7 +295,7 @@ public class DownloadAdapter extends AbsRVAdapter<AbsEntity, DownloadAdapter.Sim
   }
 
   class GroupHolder extends SimpleHolder {
-    @Bind(R.id.child_list) LinearLayout childList;
+    @Bind(R.id.child_list) SubStateLinearLayout childList;
 
     GroupHolder(View itemView) {
       super(itemView);
diff --git a/app/src/main/java/com/arialyy/simple/upload/UploadActivity.java b/app/src/main/java/com/arialyy/simple/upload/UploadActivity.java
index 881293fc..70373fbe 100644
--- a/app/src/main/java/com/arialyy/simple/upload/UploadActivity.java
+++ b/app/src/main/java/com/arialyy/simple/upload/UploadActivity.java
@@ -85,7 +85,7 @@ public class UploadActivity extends BaseActivity<ActivityUploadMeanBinding> {
   @OnClick(R.id.upload) void upload() {
     Aria.upload(this)
         .load(FILE_PATH)
-        .setUploadUrl("http://172.18.104.228:8080/upload/sign_file")
+        .setUploadUrl("http://172.18.104.129:8080/upload/sign_file")
         .setAttachment("file")
         .start();
   }
diff --git a/app/src/main/java/com/arialyy/simple/widget/SubStateLinearLayout.java b/app/src/main/java/com/arialyy/simple/widget/SubStateLinearLayout.java
index 88422b25..6c6b4660 100644
--- a/app/src/main/java/com/arialyy/simple/widget/SubStateLinearLayout.java
+++ b/app/src/main/java/com/arialyy/simple/widget/SubStateLinearLayout.java
@@ -11,24 +11,36 @@ import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.simple.R;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.Map;
+import java.util.WeakHashMap;
 
 /**
  * Created by Aria.Lao on 2017/7/17.
  */
 public class SubStateLinearLayout extends LinearLayout {
 
+  interface OnShowCallback {
+    void onShow(boolean visibility);
+  }
+
+  OnShowCallback callback;
+
   List<DownloadEntity> mSubData = new LinkedList<>();
+  Map<String, Integer> mPosition = new WeakHashMap<>();
 
   public SubStateLinearLayout(Context context) {
     super(context);
+    setOrientation(VERTICAL);
   }
 
   public SubStateLinearLayout(Context context, @Nullable AttributeSet attrs) {
     super(context, attrs);
+    setOrientation(VERTICAL);
   }
 
   public SubStateLinearLayout(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
     super(context, attrs, defStyleAttr);
+    setOrientation(VERTICAL);
   }
 
   public void addData(List<DownloadEntity> datas) {
@@ -39,22 +51,38 @@ public class SubStateLinearLayout extends LinearLayout {
     int i = 1;
     for (DownloadEntity entity : datas) {
       TextView view = createView(entity);
+      mPosition.put(entity.getDownloadPath(), i);
       addView(view, i);
       i++;
     }
   }
 
-  public void update(DownloadEntity entity) {
-    int position = mSubData.indexOf(entity) + 1;
-    if (position != 0) {
-      ((TextView) getChildAt(position)).setText(entity.getFileName() + ": " + getPercent(entity));
+  public void setOnShowCallback(OnShowCallback callback) {
+    this.callback = callback;
+  }
+
+  public List<DownloadEntity> getSubData() {
+    return mSubData;
+  }
+
+  public void updateChildProgress(List<DownloadEntity> entities) {
+    for (DownloadEntity entity : entities) {
+      Integer i = mPosition.get(entity.getDownloadPath());
+      if (i == null) return;
+      int position = i;
+      if (position != -1) {
+        TextView child = ((TextView) getChildAt(position));
+        int p = getPercent(entity);
+        child.setText(entity.getFileName() + ": " + p + "%" + "   | " + entity.getConvertSpeed());
+        child.invalidate();
+      }
     }
   }
 
   private TextView createView(DownloadEntity entity) {
     TextView view =
         (TextView) LayoutInflater.from(getContext()).inflate(R.layout.layout_child_state, null);
-    view.setText(entity.getFileName() + ": " + getPercent(entity));
+    view.setText(entity.getFileName() + ": " + getPercent(entity) + "%");
     return view;
   }
 
@@ -65,7 +93,8 @@ public class SubStateLinearLayout extends LinearLayout {
     view.setText("点击显示子任务");
     view.setOnClickListener(new OnClickListener() {
       @Override public void onClick(View v) {
-        if (getVisibility() == GONE) {
+        int visibility = getChildAt(1).getVisibility();
+        if (visibility == GONE) {
           showChild(true);
           ((TextView) v).setText("点击隐藏子任务");
         } else {
@@ -80,13 +109,13 @@ public class SubStateLinearLayout extends LinearLayout {
   private void showChild(boolean show) {
     for (int i = 1, count = getChildCount(); i < count; i++) {
       getChildAt(i).setVisibility(show ? VISIBLE : GONE);
+      invalidate();
     }
   }
 
   private int getPercent(DownloadEntity entity) {
     long size = entity.getFileSize();
     long progress = entity.getCurrentProgress();
-    int current = size == 0 ? 0 : (int) (progress * 100 / size);
-    return current;
+    return size == 0 ? 0 : (int) (progress * 100 / size);
   }
 }
diff --git a/app/src/main/res/layout/activity_download_group.xml b/app/src/main/res/layout/activity_download_group.xml
index c5cbdcbf..98d73bdc 100644
--- a/app/src/main/res/layout/activity_download_group.xml
+++ b/app/src/main/res/layout/activity_download_group.xml
@@ -31,7 +31,11 @@
         bind:progress="@{progress}"
         bind:speed="@{speed}"
         />
-    <View
+
+    <com.arialyy.simple.widget.SubStateLinearLayout
+        android:paddingLeft="16dp"
+        android:paddingRight="16dp"
+        android:id="@+id/child_list"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         />
diff --git a/app/src/main/res/layout/content_single.xml b/app/src/main/res/layout/content_single.xml
index 75e8b39e..9b25720d 100644
--- a/app/src/main/res/layout/content_single.xml
+++ b/app/src/main/res/layout/content_single.xml
@@ -21,7 +21,7 @@
 
   <RelativeLayout
       android:layout_width="match_parent"
-      android:layout_height="match_parent"
+      android:layout_height="wrap_content"
       app:layout_behavior="@string/appbar_scrolling_view_behavior"
       tools:context="com.arialyy.simple.download.SingleTaskActivity"
       tools:showIn="@layout/activity_single"
diff --git a/app/src/main/res/layout/item_group_download.xml b/app/src/main/res/layout/item_group_download.xml
index 51223360..078078cb 100644
--- a/app/src/main/res/layout/item_group_download.xml
+++ b/app/src/main/res/layout/item_group_download.xml
@@ -10,16 +10,15 @@
       />
 
 
-  <LinearLayout
+  <com.arialyy.simple.widget.SubStateLinearLayout
+      android:visibility="gone"
       android:id="@+id/child_list"
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:layout_below="@+id/include"
       android:orientation="vertical"
-      android:paddingBottom="8dp"
       android:paddingLeft="16dp"
       android:paddingRight="16dp"
-      android:paddingTop="8dp"
       />
 
 
diff --git a/app/src/main/res/layout/layout_child_state.xml b/app/src/main/res/layout/layout_child_state.xml
index 6c0c49fc..e0e005b4 100644
--- a/app/src/main/res/layout/layout_child_state.xml
+++ b/app/src/main/res/layout/layout_child_state.xml
@@ -2,7 +2,6 @@
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:padding="8dp"
     android:textColor="@color/black"
-    android:textSize="20sp"
+    android:textSize="14sp"
     />
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index bec3be14..6bb916fe 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -48,8 +48,12 @@
 
   <string-array name="group_urls">
     <item>https://res5.d.cn/5a6a3384c1b2be1a65d84b914e6a6fef697637578b6db2eb1056d50b09cf1dcf289d4045df7ef95746e498e3d6a848ab84c89b77aa60194e2c48e5a7cb748265.apk</item>
-    <item>https://res5.d.cn/5a6a3384c1b2be1a52034c72752e8475414630ebc69318b84ef584115ebf5eaaab945ae07b7fe3596afc72a7940ff328d4a9553f6ae92d6c09ba4bfb533137f6.apk</item>
-    <item>https://res5.d.cn/5a6a3384c1b2be1a426f06bfc69034d69c44ae1a01da180cab8e59bd1a5e1a784bac46ba0c64579d14f0e80a4ce4f068af89b0369a393456f4f449a8829cad5c.apk</item>
+    <!--<item>https://res5.d.cn/5a6a3384c1b2be1a52034c72752e8475414630ebc69318b84ef584115ebf5eaaab945ae07b7fe3596afc72a7940ff328d4a9553f6ae92d6c09ba4bfb533137f6.apk</item>-->
+    <!--<item>https://res5.d.cn/5a6a3384c1b2be1a426f06bfc69034d69c44ae1a01da180cab8e59bd1a5e1a784bac46ba0c64579d14f0e80a4ce4f068af89b0369a393456f4f449a8829cad5c.apk</item>-->
+
+    <item>http://static.gaoshouyou.com/d/12/0d/7f120f50c80d2e7b8c4ba24ece4f9cdd.apk</item>
+    <item>http://static.gaoshouyou.com/d/d4/4f/d6d48db3794fb9ecf47e83c346570881.apk</item>
+
   </string-array>
 
   <string-array name="group_names">
diff --git a/aria/src/main/AndroidManifest.xml b/aria/src/main/AndroidManifest.xml
index 952e1869..a50dd348 100644
--- a/aria/src/main/AndroidManifest.xml
+++ b/aria/src/main/AndroidManifest.xml
@@ -3,7 +3,6 @@
 
   <application
       android:allowBackup="true"
-      android:label="@string/app_name"
       android:supportsRtl="true">
 
   </application>
diff --git a/aria/src/main/java/com/arialyy/aria/core/Configuration.java b/aria/src/main/java/com/arialyy/aria/core/Configuration.java
index ea4c9d27..4fdbd4df 100644
--- a/aria/src/main/java/com/arialyy/aria/core/Configuration.java
+++ b/aria/src/main/java/com/arialyy/aria/core/Configuration.java
@@ -168,6 +168,7 @@ class Configuration {
             }
             field.setAccessible(true);
             String value = properties.getProperty(field.getName());
+            if (TextUtils.isEmpty(value) || value.equalsIgnoreCase("null")) continue;
             Class<?> type = field.getType();
             if (type == String.class) {
               field.set(this, value);
diff --git a/aria/src/main/java/com/arialyy/aria/core/upload/UploadTask.java b/aria/src/main/java/com/arialyy/aria/core/upload/UploadTask.java
index d42053ae..56bc44ab 100644
--- a/aria/src/main/java/com/arialyy/aria/core/upload/UploadTask.java
+++ b/aria/src/main/java/com/arialyy/aria/core/upload/UploadTask.java
@@ -110,7 +110,7 @@ public class UploadTask extends AbsNormalTask<UploadEntity> {
       saveData(IEntity.STATE_POST_PRE, 0);
     }
 
-    @Override public void onStart() {
+    @Override public void onStart(long startLocation) {
       sendInState2Target(ISchedulers.START);
       saveData(IEntity.STATE_RUNNING, 0);
     }
diff --git a/build.gradle b/build.gradle
index 1c332c62..b359cae5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -38,7 +38,7 @@ ext {
   userOrg = 'arialyy'
   groupId = 'com.arialyy.aria'
 //  publishVersion = '0.0.8'
-  publishVersion = '3.2.0'
+  publishVersion = '3.2.3_dev'
   repoName='maven'
   desc = 'android 下载框架'
   website = 'https://github.com/AriaLyy/Aria'