diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java b/Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java
index a8af4f7d..628f2114 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java
@@ -16,6 +16,7 @@
 package com.arialyy.aria.core.common;
 
 import android.content.Context;
+import android.util.Log;
 import android.util.SparseArray;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.download.DownloadEntity;
@@ -67,10 +68,8 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
   private int mCompleteThreadNum;
   private SparseArray<AbsThreadTask> mTask = new SparseArray<>();
 
-
   private Timer mTimer;
-  @Deprecated
-  private File mConfigFile;
+  @Deprecated private File mConfigFile;
   /**
    * 进度刷新间隔
    */
@@ -465,6 +464,10 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
       threadId[rl] = i;
       rl++;
     }
+    if (mConstance.CURRENT_LOCATION != 0 && mConstance.CURRENT_LOCATION != mEntity.getCurrentProgress()) {
+      ALog.d(TAG, "进度修正");
+      mEntity.setCurrentProgress(mConstance.CURRENT_LOCATION);
+    }
     saveRecord();
     startThreadTask(threadId);
   }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/BaseDListener.java b/Aria/src/main/java/com/arialyy/aria/core/download/BaseDListener.java
index 56216403..5dc52c59 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/BaseDListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/BaseDListener.java
@@ -34,13 +34,13 @@ import java.lang.ref.WeakReference;
 class BaseDListener<ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity<ENTITY>, TASK extends AbsTask<TASK_ENTITY>>
     implements IDownloadListener {
   private static final String TAG = "BaseDListener";
-  protected WeakReference<Handler> outHandler;
+  WeakReference<Handler> outHandler;
   private int RUN_SAVE_INTERVAL = 5 * 1000;  //5s保存一次下载中的进度
   private long mLastLen = 0;   //上一次发送长度
   private boolean isFirst = true;
   protected ENTITY mEntity;
   protected TASK_ENTITY mTaskEntity;
-  protected TASK mTask;
+  private TASK mTask;
   private boolean isConvertSpeed = false;
   boolean isWait = false;
   private long mLastSaveTime;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupListener.java b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupListener.java
index 806d341f..d029b959 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupListener.java
@@ -19,6 +19,7 @@ import android.os.Handler;
 import com.arialyy.aria.core.download.downloader.IDownloadGroupListener;
 import com.arialyy.aria.core.inf.GroupSendParams;
 import com.arialyy.aria.core.scheduler.ISchedulers;
+import com.arialyy.aria.util.ALog;
 
 /**
  * Created by Aria.Lao on 2017/7/20.
@@ -85,10 +86,17 @@ class DownloadGroupListener
   }
 
   private void saveCurrentLocation() {
+    if (mEntity.getSubEntities() == null || mEntity.getSubEntities().isEmpty()) {
+      ALog.w(TAG, "保存进度失败，子任务为null");
+      return;
+    }
     long location = 0;
     for (DownloadEntity e : mEntity.getSubEntities()) {
       location += e.getCurrentProgress();
     }
+    if (location > mEntity.getFileSize()) {
+      location = mEntity.getFileSize();
+    }
     mEntity.setCurrentProgress(location);
     mEntity.update();
   }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java
index 8bc5bd04..aba4e232 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java
@@ -43,11 +43,11 @@ public abstract class AbsGroupUtil implements IUtil {
   /**
    * FTP文件夹
    */
-  protected int FTP_DIR = 0xa1;
+  int FTP_DIR = 0xa1;
   /**
    * HTTP 任务组
    */
-  protected int HTTP_GROUP = 0xa2;
+  int HTTP_GROUP = 0xa2;
 
   /**
    * 任务组所有任务总长度
@@ -56,7 +56,7 @@ public abstract class AbsGroupUtil implements IUtil {
   long mCurrentLocation = 0;
   private ExecutorService mExePool;
   protected IDownloadGroupListener mListener;
-  protected DownloadGroupTaskEntity mGTEntity;
+  DownloadGroupTaskEntity mGTEntity;
   private boolean isRunning = false;
   private Timer mTimer;
   /**
@@ -262,7 +262,7 @@ public abstract class AbsGroupUtil implements IUtil {
   }
 
   /**
-   * 预处理操作，由于属性的不同，http任务组在构造函数中就可以完成了
+   * 预处理操作
    * 而FTP文件夹的，需要获取完成所有子任务信息才算预处理完成
    */
   protected void onPre() {
@@ -298,14 +298,13 @@ public abstract class AbsGroupUtil implements IUtil {
 
   @Override public void resume() {
     start();
-    mListener.onResume(mCurrentLocation);
   }
 
   @Override public void setMaxSpeed(double maxSpeed) {
 
   }
 
-  private void clearState(){
+  private void clearState() {
     mDownloaderMap.clear();
     mFailMap.clear();
   }
@@ -325,7 +324,11 @@ public abstract class AbsGroupUtil implements IUtil {
   void startRunningFlow() {
     closeTimer(true);
     mListener.onPostPre(mTotalLen);
-    mListener.onStart(mCurrentLocation);
+    if (mCurrentLocation > 0) {
+      mListener.onResume(mCurrentLocation);
+    } else {
+      mListener.onStart(mCurrentLocation);
+    }
     startTimer();
   }
 
@@ -336,7 +339,16 @@ public abstract class AbsGroupUtil implements IUtil {
         if (!isRunning) {
           closeTimer(false);
         } else if (mCurrentLocation >= 0) {
-          mListener.onProgress(mCurrentLocation);
+          long t = 0;
+          for (DownloadTaskEntity te : mGTEntity.getSubTaskEntities()) {
+            if (te.getState() == IEntity.STATE_COMPLETE) {
+              t += te.getEntity().getFileSize();
+            } else {
+              t += te.getEntity().getCurrentProgress();
+            }
+          }
+          mCurrentLocation = t;
+          mListener.onProgress(t);
         }
       }
     }, 0, mUpdateInterval);
@@ -345,8 +357,8 @@ public abstract class AbsGroupUtil implements IUtil {
   /**
    * 创建子任务下载器，默认创建完成自动启动
    */
-  Downloader createChildDownload(DownloadTaskEntity taskEntity) {
-    return createChildDownload(taskEntity, true);
+  void createChildDownload(DownloadTaskEntity taskEntity) {
+    createChildDownload(taskEntity, true);
   }
 
   /**
@@ -408,7 +420,7 @@ public abstract class AbsGroupUtil implements IUtil {
 
     @Override public void onProgress(long currentLocation) {
       long speed = currentLocation - lastLen;
-      mCurrentLocation += speed;
+      //mCurrentLocation += speed;
       subEntity.setCurrentProgress(currentLocation);
       handleSpeed(speed);
       mListener.onSubRunning(subEntity);
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/ConnectionHelp.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/ConnectionHelp.java
index 0803249a..58c37fd9 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/ConnectionHelp.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/ConnectionHelp.java
@@ -16,6 +16,7 @@
 package com.arialyy.aria.core.download.downloader;
 
 import android.text.TextUtils;
+import com.arialyy.aria.core.common.RequestEnum;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.util.SSLContextUtil;
 import java.io.IOException;
@@ -44,7 +45,7 @@ class ConnectionHelp {
    * @throws IOException
    */
   static InputStream convertInputStream(HttpURLConnection connection) throws IOException {
-    String encoding = connection.getContentEncoding();
+    String encoding = connection.getHeaderField("Content-Encoding");
     if (TextUtils.isEmpty(encoding)) {
       return connection.getInputStream();
     }
@@ -88,7 +89,9 @@ class ConnectionHelp {
    */
   static HttpURLConnection setConnectParam(DownloadTaskEntity entity, HttpURLConnection conn)
       throws ProtocolException {
-    conn.setRequestMethod(entity.getRequestEnum().name);
+    if (entity.getRequestEnum() == RequestEnum.POST){
+      conn.setDoInput(true);
+    }
     Set<String> keys = null;
     if (entity.getHeaders() != null && entity.getHeaders().size() > 0) {
       keys = entity.getHeaders().keySet();
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 ac9b1cea..1431026a 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
@@ -35,7 +35,7 @@ public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
   private final String TAG = "DownloadGroupUtil";
   private ExecutorService mInfoPool;
   private int mInitCompleteNum, mInitFailNum;
-  private boolean isStop = false;
+  private boolean isStop = false, isStart = false;
 
   /**
    * 文件信息回调组
@@ -45,7 +45,6 @@ public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
   public DownloadGroupUtil(IDownloadGroupListener listener, DownloadGroupTaskEntity taskEntity) {
     super(listener, taskEntity);
     mInfoPool = Executors.newCachedThreadPool();
-    onPre();
   }
 
   @Override int getTaskType() {
@@ -69,7 +68,7 @@ public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
   }
 
   @Override protected void onStart() {
-    super.onStart();
+    onPre();
     isStop = false;
     if (mCompleteNum == mGroupSize) {
       mListener.onComplete();
@@ -154,9 +153,10 @@ public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
    */
   private void checkStartFlow() {
     synchronized (DownloadGroupUtil.class) {
-      if (mInitCompleteNum + mInitFailNum >= mGroupSize || !isNeedLoadFileSize) {
+      if (!isStart && (mInitCompleteNum + mInitFailNum >= mGroupSize || !isNeedLoadFileSize)) {
         startRunningFlow();
         updateFileSize();
+        isStart = true;
       }
     }
   }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java
index 6e290f81..296b7b13 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java
@@ -85,7 +85,7 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
       conn = ConnectionHelp.setConnectParam(mConfig.TASK_ENTITY, conn);
       conn.setConnectTimeout(mConnectTimeOut);
       conn.setReadTimeout(mReadTimeOut);  //设置读取流的等待时间,必须设置该参数
-
+      conn.connect();
       is = new BufferedInputStream(ConnectionHelp.convertInputStream(conn));
       if (isOpenDynamicFile) {
         readDynamicFile(is);
diff --git a/Aria/src/main/java/com/arialyy/aria/orm/AbsDelegate.java b/Aria/src/main/java/com/arialyy/aria/orm/AbsDelegate.java
index fa5dd96d..fecf50e9 100644
--- a/Aria/src/main/java/com/arialyy/aria/orm/AbsDelegate.java
+++ b/Aria/src/main/java/com/arialyy/aria/orm/AbsDelegate.java
@@ -48,7 +48,7 @@ abstract class AbsDelegate {
    * @param type {@link DelegateWrapper}
    */
   static void print(int type, String sql) {
-    if (!ALog.DEBUG) {
+    if (ALog.DEBUG) {
       return;
     }
     String str = "";
diff --git a/Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java b/Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java
index 122d115f..44fc951e 100644
--- a/Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java
@@ -435,8 +435,7 @@ public class CommonUtil {
    * @param removeFile {@code true} 不仅删除任务数据库记录，还会删除已经完成的文件
    * {@code false}如果任务已经完成，只删除任务数据库记录
    */
-  public static void delTaskRecord(TaskRecord record, boolean removeFile,
-      AbsNormalEntity dEntity) {
+  public static void delTaskRecord(TaskRecord record, boolean removeFile, AbsNormalEntity dEntity) {
     if (dEntity == null) return;
     File file;
     if (dEntity instanceof DownloadEntity) {
@@ -890,7 +889,9 @@ public class CommonUtil {
     }
     TaskRecord record = DbHelper.getTaskRecord(oldPath);
     if (record == null) {
-      ALog.w(TAG, "修改任务记录失败，文件【" + oldPath + "】对应的任务记录不存在");
+      if (new File(oldPath).exists()) {
+        ALog.w(TAG, "修改任务记录失败，文件【" + oldPath + "】对应的任务记录不存在");
+      }
       return;
     }
     record.filePath = newPath;
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index a81e9694..850a8c0f 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -15,9 +15,9 @@
       android:theme="@style/AppTheme.NoActionBar">
     <!--android:name=".test.TestGroupActivity"-->
     <!--android:name=".test.TestActivity"-->
-    <!--android:name=".MainActivity"-->
+        <!--android:name=".test.AnyRunActivity"-->
     <activity
-        android:name=".test.AnyRunActivity"
+    android:name=".MainActivity"
         android:label="@string/app_name">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
diff --git a/app/src/main/assets/aria_config.xml b/app/src/main/assets/aria_config.xml
index de9e2732..1feaa308 100644
--- a/app/src/main/assets/aria_config.xml
+++ b/app/src/main/assets/aria_config.xml
@@ -25,7 +25,7 @@
     <threadNum value="3"/>
 
     <!--设置下载队列最大任务数， 默认为2-->
-    <maxTaskNum value="2"/>
+    <maxTaskNum value="1"/>
 
     <!--设置下载失败，重试次数，默认为10-->
     <reTryNum value="2"/>
diff --git a/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java b/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
index f1a9dc69..9e93f01a 100644
--- a/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
+++ b/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
@@ -49,8 +49,9 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
       //"http://58.210.9.131/tpk/sipgt//TDLYZTGH.tpk"; //chunked 下载
       //"https://static.donguo.me//video/ip/course/pfys_1.mp4";
       //"https://www.baidu.com/link?url=_LFCuTPtnzFxVJByJ504QymRywIA1Z_T5xUxe9ZLuxcGM0C_RcdpWyB1eGjbJC-e5wv5wAKM4WmLMAS5KeF6EZJHB8Va3YqZUiaErqK_pxm&wd=&eqid=e8583fe70002d126000000065a99f864";
-      "https://d.pcs.baidu.com/file/a02c89a2d479d4fd2756f3313d42491d?fid=4232431903-250528-1114369760340736&dstime=1525491372&rt=sh&sign=FDtAERVY-DCb740ccc5511e5e8fedcff06b081203-3C13vkOkuk4TqXvVYW05zj1K0ao%3D&expires=8h&chkv=1&chkbd=0&chkpc=et&dp-logid=8651730921842106225&dp-callid=0&r=165533013";
-
+      //"https://d.pcs.baidu.com/file/a02c89a2d479d4fd2756f3313d42491d?fid=4232431903-250528-1114369760340736&dstime=1525491372&rt=sh&sign=FDtAERVY-DCb740ccc5511e5e8fedcff06b081203-3C13vkOkuk4TqXvVYW05zj1K0ao%3D&expires=8h&chkv=1&chkbd=0&chkpc=et&dp-logid=8651730921842106225&dp-callid=0&r=165533013";
+      //"http://apk500.bce.baidu-mgame.com/game/67000/67734/20170622040827_oem_5502845.apk?r=1";
+      "https://dl.genymotion.com/releases/genymotion-2.12.1/genymotion-2.12.1-vbox.exe";
   @Bind(R.id.start) Button mStart;
   @Bind(R.id.stop) Button mStop;
   @Bind(R.id.cancel) Button mCancel;
@@ -238,8 +239,8 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
         //.addHeader("Accept-Encoding", "gzip, deflate")
         //.addHeader("DNT", "1")
         //.addHeader("Cookie", "BAIDUID=648E5FF020CC69E8DD6F492D1068AAA9:FG=1; BIDUPSID=648E5FF020CC69E8DD6F492D1068AAA9; PSTM=1519099573; BD_UPN=12314753; locale=zh; BDSVRTM=0")
-        .useServerFileName(true)
-        .setRequestMode(RequestEnum.GET)
+        //.useServerFileName(true)
+        //.setRequestMode(RequestEnum.GET)
         .setFilePath(Environment.getExternalStorageDirectory().getPath() + "/ggsg3.apk")
         //.resetState()
         .start();