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 4b08afca..21b80459 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/AriaManager.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/AriaManager.java
@@ -92,6 +92,7 @@ import org.xml.sax.SAXException;
   private AppConfig mAConfig;
   private DGroupConfig mDGConfig;
   private Handler mAriaHandler;
+  private DelegateWrapper mDbWrapper;
 
   private AriaManager(Context context) {
     APP = context.getApplicationContext();
@@ -172,7 +173,7 @@ import org.xml.sax.SAXException;
         dbConfig.delete();
       }
     }
-    DelegateWrapper.init(context.getApplicationContext());
+    mDbWrapper = DelegateWrapper.init(context.getApplicationContext());
   }
 
   private void initAria() {
@@ -192,6 +193,9 @@ import org.xml.sax.SAXException;
     };
     String sql = "UPDATE %s SET state=2 WHERE state IN (3,4,5,6)";
     for (Class clazz : clazzs) {
+      if (!mDbWrapper.tableExists(clazz)) {
+        continue;
+      }
       String temp = String.format(sql, clazz.getSimpleName());
       DbEntity.exeSql(temp);
     }
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 91495d32..98173f05 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
@@ -160,7 +160,6 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_WRAPPER ext
   }
 
   public synchronized void closeTimer() {
-    ALog.i(TAG, "关闭定时器");
     if (mTimer != null && !mTimer.isShutdown()) {
       mTimer.shutdown();
     }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/AbsThreadTask.java b/Aria/src/main/java/com/arialyy/aria/core/common/AbsThreadTask.java
index 0fc69249..b9138926 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/AbsThreadTask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/AbsThreadTask.java
@@ -173,9 +173,10 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_WRAPPER
    */
 
   public void setMaxSpeed(int speed) {
-    if (mSpeedBandUtil != null) {
-      mSpeedBandUtil.setMaxRate(speed);
+    if (mSpeedBandUtil == null) {
+      mSpeedBandUtil = new BandwidthLimiter(getMaxSpeed(), getConfig().startThreadNum);
     }
+    mSpeedBandUtil.setMaxRate(speed);
   }
 
   /**
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/NormalFileer.java b/Aria/src/main/java/com/arialyy/aria/core/common/NormalFileer.java
index 5716a8f3..30a4564f 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/NormalFileer.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/NormalFileer.java
@@ -18,9 +18,7 @@ package com.arialyy.aria.core.common;
 import android.os.Handler;
 import android.os.Looper;
 import com.arialyy.aria.core.download.BaseDListener;
-import com.arialyy.aria.core.event.Event;
 import com.arialyy.aria.core.event.EventMsgUtil;
-import com.arialyy.aria.core.event.SpeedEvent;
 import com.arialyy.aria.core.inf.AbsNormalEntity;
 import com.arialyy.aria.core.inf.AbsTaskWrapper;
 import com.arialyy.aria.core.inf.IEventListener;
@@ -190,6 +188,7 @@ public abstract class NormalFileer<ENTITY extends AbsNormalEntity, TASK_WRAPPER
     if (mListener instanceof BaseDListener) {
       ((BaseDListener) mListener).supportBreakpoint(false);
     }
+    mStartThreadNum = 1;
 
     AbsThreadTask task = createSingThreadTask(mRecord.threadRecords.get(0), 1);
     if (task == null) return;
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 ca9e775b..c8a51f15 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
@@ -46,9 +46,6 @@ public class DGTaskWrapper extends AbsGroupTaskWrapper<DownloadGroupEntity, DTas
     this.unknownSize = unknownSize;
   }
 
-  /**
-   * 组名
-   */
   @Override public String getKey() {
     return getEntity().getKey();
   }
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 36a0eb4b..a5afbe57 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
@@ -18,7 +18,7 @@ package com.arialyy.aria.core.download;
 import android.os.Handler;
 import com.arialyy.aria.core.common.BaseListener;
 import com.arialyy.aria.core.common.RecordHandler;
-import com.arialyy.aria.core.download.group.IDownloadGroupListener;
+import com.arialyy.aria.core.download.group.IDGroupListener;
 import com.arialyy.aria.core.inf.GroupSendParams;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.inf.TaskSchedulerType;
@@ -34,7 +34,7 @@ import com.arialyy.aria.util.RecordUtil;
  */
 class DownloadGroupListener
     extends BaseListener<DownloadGroupEntity, DGTaskWrapper, DownloadGroupTask>
-    implements IDownloadGroupListener {
+    implements IDGroupListener {
   private GroupSendParams<DownloadGroupTask, DownloadEntity> mSeedEntity;
 
   DownloadGroupListener(DownloadGroupTask task, Handler outHandler) {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTarget.java
index f9724e95..f0c4afd4 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTarget.java
@@ -107,7 +107,7 @@ public class DownloadGroupTarget extends AbsDGTarget<DownloadGroupTarget> {
   /**
    * 如果无法获取到组合任务到总长度，请调用该方法，
    * 请注意：
-   * 1、如果组合任务到子任务数过多，请不要使用该标志位，否则Aria将需要消耗大量的时间获取组合任务的总长度。
+   * 1、如果组合任务到子任务数过多，请不要使用该标志位，否则Aria将需要消耗大量的时间获取组合任务的总长度，直到获取完成组合任务总长度后才会执行下载。
    * 2、如果你的知道组合任务的总长度，请使用{@link #setFileSize(long)}设置组合任务的长度。
    * 3、由于网络或其它原因的存在，这种方式获取的组合任务大小有可能是不准确的。
    */
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 927eaabc..a1612209 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
@@ -20,9 +20,9 @@ import android.os.Looper;
 import android.text.TextUtils;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.common.IUtil;
-import com.arialyy.aria.core.download.group.DownloadGroupUtil;
+import com.arialyy.aria.core.download.group.DGroupUtil;
 import com.arialyy.aria.core.download.group.FtpDirDownloadUtil;
-import com.arialyy.aria.core.download.group.IDownloadGroupListener;
+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.scheduler.ISchedulers;
@@ -57,9 +57,9 @@ public class DownloadGroupTask extends AbsGroupTask<DGTaskWrapper> {
   @Override protected synchronized IUtil createUtil() {
     switch (mTaskWrapper.getRequestType()) {
       case AbsTaskWrapper.D_HTTP:
-        return new DownloadGroupUtil((IDownloadGroupListener) mListener, mTaskWrapper);
+        return new DGroupUtil((IDGroupListener) mListener, mTaskWrapper);
       case AbsTaskWrapper.D_FTP_DIR:
-        return new FtpDirDownloadUtil((IDownloadGroupListener) mListener, mTaskWrapper);
+        return new FtpDirDownloadUtil((IDGroupListener) mListener, mTaskWrapper);
     }
     return null;
   }
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 4a1f7874..4ae6ac2e 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
@@ -44,7 +44,7 @@ public abstract class AbsGroupUtil implements IUtil, Runnable {
   int HTTP_GROUP = 0xa2;
 
   private long mCurrentLocation = 0;
-  protected IDownloadGroupListener mListener;
+  protected IDGroupListener mListener;
   private ScheduledThreadPoolExecutor mTimer;
   private long mUpdateInterval;
   private boolean isStop = false, isCancel = false;
@@ -55,7 +55,7 @@ public abstract class AbsGroupUtil implements IUtil, Runnable {
   DGTaskWrapper mGTWrapper;
   GroupRunState mState;
 
-  AbsGroupUtil(IDownloadGroupListener listener, DGTaskWrapper groupWrapper) {
+  AbsGroupUtil(IDGroupListener listener, DGTaskWrapper groupWrapper) {
     mListener = listener;
     mGTWrapper = groupWrapper;
     mUpdateInterval = Configuration.getInstance().downloadCfg.getUpdateInterval();
@@ -195,7 +195,7 @@ public abstract class AbsGroupUtil implements IUtil, Runnable {
   /**
    * onStop前的操作
    *
-   * @return 返回{@code true}，直接回调{@link IDownloadGroupListener#onStop(long)}
+   * @return 返回{@code true}，直接回调{@link IDGroupListener#onStop(long)}
    */
   protected boolean onPreStop() {
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/group/ChildDownloadListener.java b/Aria/src/main/java/com/arialyy/aria/core/download/group/ChildDLoadListener.java
similarity index 97%
rename from Aria/src/main/java/com/arialyy/aria/core/download/group/ChildDownloadListener.java
rename to Aria/src/main/java/com/arialyy/aria/core/download/group/ChildDLoadListener.java
index 91c383ff..ad4d60e6 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/group/ChildDownloadListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/group/ChildDLoadListener.java
@@ -26,7 +26,7 @@ import com.arialyy.aria.util.CommonUtil;
 /**
  * 子任务事件监听
  */
-class ChildDownloadListener implements IDownloadListener {
+class ChildDLoadListener implements IDownloadListener {
   private DownloadEntity subEntity;
   private int RUN_SAVE_INTERVAL = 5 * 1000;  //5s保存一次下载中的进度
   private long lastSaveTime;
@@ -34,7 +34,7 @@ class ChildDownloadListener implements IDownloadListener {
   private Handler schedulers;
   private SubDLoadUtil loader;
 
-  ChildDownloadListener(Handler schedulers, SubDLoadUtil loader) {
+  ChildDLoadListener(Handler schedulers, SubDLoadUtil loader) {
     this.loader = loader;
     this.schedulers = schedulers;
     subEntity = loader.getEntity();
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/group/DownloadGroupUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/group/DGroupUtil.java
similarity index 83%
rename from Aria/src/main/java/com/arialyy/aria/core/download/group/DownloadGroupUtil.java
rename to Aria/src/main/java/com/arialyy/aria/core/download/group/DGroupUtil.java
index cfa518b9..0c124366 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/group/DownloadGroupUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/group/DGroupUtil.java
@@ -25,11 +25,12 @@ import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.downloader.HttpFileInfoThread;
 import com.arialyy.aria.core.inf.AbsEntity;
 import com.arialyy.aria.core.inf.IEntity;
-import com.arialyy.aria.core.inf.IHttpFileLenAdapter;
 import com.arialyy.aria.exception.AriaIOException;
 import com.arialyy.aria.exception.BaseException;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
@@ -37,13 +38,14 @@ import java.util.concurrent.Executors;
  * Created by AriaL on 2017/6/30.
  * 任务组下载工具
  */
-public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
+public class DGroupUtil extends AbsGroupUtil implements IUtil {
   private static final String TAG = "DownloadGroupUtil";
   private final Object LOCK = new Object();
   private ExecutorService mPool = null;
   private boolean getLenComplete = false;
+  private List<DTaskWrapper> mTempWrapper = new ArrayList<>();
 
-  public DownloadGroupUtil(IDownloadGroupListener listener, DGTaskWrapper taskWrapper) {
+  public DGroupUtil(IDGroupListener listener, DGTaskWrapper taskWrapper) {
     super(listener, taskWrapper);
   }
 
@@ -101,18 +103,18 @@ public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
       int failCount;
 
       @Override public void run() {
-        try {
-          Thread.sleep(2000);
-        } catch (InterruptedException e) {
-          e.printStackTrace();
-        }
         for (DTaskWrapper dTaskWrapper : mGTWrapper.getSubTaskWrapper()) {
           cloneHeader(dTaskWrapper);
           mPool.submit(new HttpFileInfoThread(dTaskWrapper, new OnFileInfoCallback() {
             @Override public void onComplete(String url, CompleteInfo info) {
-              createAndStartSubLoader((DTaskWrapper) info.wrapper, false);
+              if (!mGTWrapper.isUnknownSize()) {
+                createAndStartSubLoader((DTaskWrapper) info.wrapper, false);
+              } else {
+                mTempWrapper.add((DTaskWrapper) info.wrapper);
+              }
               count++;
               checkGetSizeComplete(count, failCount);
+              ALog.d(TAG, "获取子任务信息完成");
             }
 
             @Override public void onFail(AbsEntity entity, BaseException e, boolean needRetry) {
@@ -122,6 +124,7 @@ public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
               mListener.onSubFail((DownloadEntity) entity, new AriaIOException(TAG,
                   String.format("子任务获取文件长度失败，url：%s", ((DownloadEntity) entity).getUrl())));
               checkGetSizeComplete(count, failCount);
+              mState.countFailNum(entity.getKey());
             }
           }));
         }
@@ -133,6 +136,11 @@ public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
    * 检查组合任务大小是否获取完成，获取完成后取消阻塞，并设置组合任务大小
    */
   private void checkGetSizeComplete(int count, int failCount) {
+    if (failCount == mGTWrapper.getSubTaskWrapper().size()) {
+      mListener.onFail(false, new AriaIOException(TAG, "获取子任务长度失败"));
+      notifyLock();
+      return;
+    }
     if (count == mGTWrapper.getSubTaskWrapper().size()) {
       long size = 0;
       for (DTaskWrapper wrapper : mGTWrapper.getSubTaskWrapper()) {
@@ -142,14 +150,18 @@ public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
       mGTWrapper.getEntity().setFileSize(size);
       mGTWrapper.getEntity().update();
       getLenComplete = true;
-      ALog.d(TAG, String.format("获取组合任务长度完成，len：%s", size));
-    } else if (failCount == mGTWrapper.getSubTaskWrapper().size()) {
-      mListener.onFail(true, new AriaIOException(TAG, "获取子任务长度失败"));
-    }
-    IHttpFileLenAdapter lenAdapter = mGTWrapper.asHttp().getFileLenAdapter();
-    if (lenAdapter != null && lenAdapter.getClass().isAnonymousClass()) {
-      mGTWrapper.asHttp().setFileLenAdapter(null);
+      ALog.d(TAG, String.format("获取组合任务长度完成，组合任务总长度：%s，失败的只任务数：%s", size, failCount));
+      // 未知大小的组合任务，延迟下载
+      if (mGTWrapper.isUnknownSize()) {
+        for (DTaskWrapper wrapper : mTempWrapper) {
+          createAndStartSubLoader(wrapper, false);
+        }
+      }
+      notifyLock();
     }
+  }
+
+  private void notifyLock() {
     synchronized (LOCK) {
       LOCK.notifyAll();
     }
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 c4500cab..7d1d54ba 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
@@ -30,7 +30,7 @@ import com.arialyy.aria.exception.BaseException;
 public class FtpDirDownloadUtil extends AbsGroupUtil {
   private String TAG = "FtpDirDownloadUtil";
 
-  public FtpDirDownloadUtil(IDownloadGroupListener listener, DGTaskWrapper taskEntity) {
+  public FtpDirDownloadUtil(IDGroupListener listener, DGTaskWrapper taskEntity) {
     super(listener, taskEntity);
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/group/GroupRunState.java b/Aria/src/main/java/com/arialyy/aria/core/download/group/GroupRunState.java
index 28131784..75616709 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/group/GroupRunState.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/group/GroupRunState.java
@@ -51,7 +51,7 @@ class GroupRunState {
   /**
    * 组合任务监听
    */
-  IDownloadGroupListener listener;
+  IDGroupListener listener;
 
   /**
    * 子任务队列
@@ -71,7 +71,7 @@ class GroupRunState {
 
   private String mGroupHash;
 
-  GroupRunState(String groupHash, IDownloadGroupListener listener, int subSize,
+  GroupRunState(String groupHash, IDGroupListener listener, int subSize,
       SimpleSubQueue queue) {
     this.listener = listener;
     this.queue = queue;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/group/IDownloadGroupListener.java b/Aria/src/main/java/com/arialyy/aria/core/download/group/IDGroupListener.java
similarity index 96%
rename from Aria/src/main/java/com/arialyy/aria/core/download/group/IDownloadGroupListener.java
rename to Aria/src/main/java/com/arialyy/aria/core/download/group/IDGroupListener.java
index 48aa2dc6..918c45f6 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/group/IDownloadGroupListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/group/IDGroupListener.java
@@ -23,7 +23,7 @@ import com.arialyy.aria.exception.BaseException;
  * Created by Aria.Lao on 2017/7/20.
  * 下载任务组事件
  */
-public interface IDownloadGroupListener extends IDownloadListener {
+public interface IDGroupListener extends IDownloadListener {
 
   /**
    * 子任务预处理
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/group/SimpleSchedulers.java b/Aria/src/main/java/com/arialyy/aria/core/download/group/SimpleSchedulers.java
index bff34012..6e4643dd 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/group/SimpleSchedulers.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/group/SimpleSchedulers.java
@@ -79,7 +79,7 @@ class SimpleSchedulers implements ISchedulers {
    * 2、stopNum + failNum + completeNum + cacheNum == subSize，则认为组合任务停止
    * 3、failNum == subSize，只有全部的子任务都失败了，才能任务组合任务失败
    */
-  private synchronized void handleFail(final SubDLoadUtil loader) {
+  private synchronized void handleFail(final SubDLoadUtil loaderUtil) {
     Configuration config = Configuration.getInstance();
 
     long interval = config.dGroupCfg.getSubReTryInterval();
@@ -88,32 +88,34 @@ class SimpleSchedulers implements ISchedulers {
 
     final int reTryNum = num;
     if ((!NetUtils.isConnected(AriaManager.APP) && !isNotNetRetry)
-        || loader.getEntity().getFailNum() > reTryNum) {
-      mQueue.removeTaskFromExecQ(loader);
-      mGState.listener.onSubFail(loader.getEntity(), new TaskException(TAG,
-          String.format("任务组子任务【%s】下载失败，下载地址【%s】", loader.getEntity().getFileName(),
-              loader.getEntity().getUrl())));
-      mGState.countFailNum(loader.getKey());
+        || loaderUtil.getDownloader() == null // 如果获取不到文件信息，loader为空
+        || loaderUtil.getEntity().getFailNum() > reTryNum) {
+      mQueue.removeTaskFromExecQ(loaderUtil);
+      mGState.listener.onSubFail(loaderUtil.getEntity(), new TaskException(TAG,
+          String.format("任务组子任务【%s】下载失败，下载地址【%s】", loaderUtil.getEntity().getFileName(),
+              loaderUtil.getEntity().getUrl())));
+      mGState.countFailNum(loaderUtil.getKey());
       if (mGState.getFailNum() == mGState.getSubSize()
           || mGState.getStopNum() + mGState.getFailNum() + mGState.getCompleteNum()
           == mGState.getSubSize()) {
         mQueue.clear();
         mGState.isRunning = false;
-        mGState.listener.onFail(true, new TaskException(TAG,
+        mGState.listener.onFail(false, new TaskException(TAG,
             String.format("任务组【%s】下载失败", mGState.getGroupHash())));
       } else {
         startNext();
       }
       return;
     }
-    final ScheduledThreadPoolExecutor timer = new ScheduledThreadPoolExecutor(1);
 
+    // 如果获取不到文件信息，loader为空
+    final ScheduledThreadPoolExecutor timer = new ScheduledThreadPoolExecutor(1);
     timer.schedule(new Runnable() {
       @Override public void run() {
-        AbsEntity entity = loader.getEntity();
+        AbsEntity entity = loaderUtil.getEntity();
         if (entity.getFailNum() <= reTryNum) {
-          ALog.d(TAG, String.format("任务【%s】开始重试", loader.getEntity().getFileName()));
-          loader.reStart();
+          ALog.d(TAG, String.format("任务【%s】开始重试", loaderUtil.getEntity().getFileName()));
+          loaderUtil.reStart();
         } else {
           startNext();
         }
@@ -159,7 +161,8 @@ class SimpleSchedulers implements ISchedulers {
     mGState.updateCompleteNum();
     ALog.d(TAG, String.format("总任务数：%s，完成的任务数：%s，失败的任务数：%s，停止的任务数：%s", mGState.getSubSize(),
         mGState.getCompleteNum(), mGState.getFailNum(), mGState.getStopNum()));
-    if (mGState.getCompleteNum() == mGState.getSubSize()) {
+    if (mGState.getCompleteNum() + mGState.getFailNum() + mGState.getStopNum()
+        == mGState.getSubSize()) {
       if (mGState.getStopNum() == 0 && mGState.getFailNum() == 0) {
         mGState.listener.onComplete();
       } else {
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 27131b36..91ca46f1 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
@@ -38,7 +38,7 @@ class SubDLoadUtil implements IUtil {
   private Downloader mDownloader;
   private DTaskWrapper mWrapper;
   private Handler mSchedulers;
-  private ChildDownloadListener mListener;
+  private ChildDLoadListener mListener;
   private boolean needGetInfo;
 
   /**
@@ -49,7 +49,7 @@ class SubDLoadUtil implements IUtil {
     mWrapper = taskWrapper;
     mSchedulers = schedulers;
     this.needGetInfo = needGetInfo;
-    mListener = new ChildDownloadListener(mSchedulers, SubDLoadUtil.this);
+    mListener = new ChildDLoadListener(mSchedulers, SubDLoadUtil.this);
   }
 
   @Override public String getKey() {
@@ -73,6 +73,10 @@ class SubDLoadUtil implements IUtil {
     }
   }
 
+  public Downloader getDownloader() {
+    return mDownloader;
+  }
+
   @Override public long getFileSize() {
     return mDownloader == null ? -1 : mDownloader.getFileSize();
   }
@@ -112,7 +116,7 @@ class SubDLoadUtil implements IUtil {
           }
 
           @Override public void onFail(AbsEntity entity, BaseException e, boolean needRetry) {
-            mSchedulers.obtainMessage(ISchedulers.FAIL, SubDLoadUtil.this);
+            mSchedulers.obtainMessage(ISchedulers.FAIL, SubDLoadUtil.this).sendToTarget();
           }
         })).start();
       } else {
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 5046623d..c3386028 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
@@ -18,8 +18,10 @@ package com.arialyy.aria.core.inf;
 import android.os.Parcel;
 import android.os.Parcelable;
 import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.orm.annotation.Default;
 import com.arialyy.aria.orm.annotation.Ignore;
 import java.io.Serializable;
+
 /**
  * Created by AriaL on 2017/6/29.
  */
@@ -53,6 +55,7 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable,
   /**
    * 任务状态{@link IEntity}
    */
+  @Default("3")
   private int state = STATE_WAIT;
   /**
    * 当前下载进度
@@ -68,6 +71,7 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable,
    */
   private int percent;
 
+  @Default("false")
   private boolean isComplete = false;
 
   /**
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsNormalEntity.java b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsNormalEntity.java
index 86e6ed12..52d531db 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsNormalEntity.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsNormalEntity.java
@@ -17,6 +17,7 @@ package com.arialyy.aria.core.inf;
 
 import android.os.Parcel;
 import android.os.Parcelable;
+import com.arialyy.aria.orm.annotation.Default;
 
 /**
  * Created by AriaL on 2017/6/3.
@@ -36,8 +37,10 @@ public abstract class AbsNormalEntity extends AbsEntity implements Parcelable {
   /**
    * 是否是任务组里面的下载实体
    */
+  @Default("false")
   private boolean isGroupChild = false;
 
+  @Default("false")
   private boolean isRedirect = false; //是否重定向
   private String redirectUrl; //重定向链接
 
diff --git a/Aria/src/main/java/com/arialyy/aria/orm/DelegateWrapper.java b/Aria/src/main/java/com/arialyy/aria/orm/DelegateWrapper.java
index 16b8466f..53ab959d 100644
--- a/Aria/src/main/java/com/arialyy/aria/orm/DelegateWrapper.java
+++ b/Aria/src/main/java/com/arialyy/aria/orm/DelegateWrapper.java
@@ -40,12 +40,15 @@ public class DelegateWrapper {
     mDManager = DelegateManager.getInstance();
   }
 
-  public static void init(Context context) {
-    synchronized (DelegateWrapper.class) {
-      if (INSTANCE == null) {
-        INSTANCE = new DelegateWrapper(context);
+  public static DelegateWrapper init(Context context) {
+    if (INSTANCE == null) {
+      synchronized (DelegateWrapper.class) {
+        if (INSTANCE == null) {
+          INSTANCE = new DelegateWrapper(context);
+        }
       }
     }
+    return INSTANCE;
   }
 
   static DelegateWrapper getInstance() {
@@ -117,7 +120,7 @@ public class DelegateWrapper {
   /**
    * 更新多条数据
    */
-  <T extends  DbEntity> void updateManyData(List<T> dbEntitys) {
+  <T extends DbEntity> void updateManyData(List<T> dbEntitys) {
     mDManager.getDelegate(DelegateUpdate.class).updateManyData(mDb, dbEntitys);
   }
 
@@ -182,14 +185,14 @@ public class DelegateWrapper {
   /**
    * 插入多条数据
    */
-  <T extends  DbEntity> void insertManyData(List<T> dbEntitys) {
+  <T extends DbEntity> void insertManyData(List<T> dbEntitys) {
     mDManager.getDelegate(DelegateUpdate.class).insertManyData(mDb, dbEntitys);
   }
 
   /**
    * 查找某张表是否存在
    */
-  boolean tableExists(Class clazz) {
+  public boolean tableExists(Class clazz) {
     return mDManager.getDelegate(DelegateCommon.class).tableExists(mDb, clazz);
   }
 
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 0a3d8519..5957d750 100644
--- a/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java
+++ b/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java
@@ -95,7 +95,7 @@ final class SqlHelper extends SQLiteOpenHelper {
   @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
     if (oldVersion < newVersion) {
       if (oldVersion < 31) {
-        handle314AriaUpdate(db);
+        handleLowAriaUpdate(db);
       } else if (oldVersion < 45) {
         handle360AriaUpdate(db);
       } else if (oldVersion < 51) {
@@ -203,7 +203,6 @@ final class SqlHelper extends SQLiteOpenHelper {
             String newParamStr = oldParamStr;
             // 处理字段名称改变
             if (modifyColumns != null) {
-              //newParamStr = params.toString();
               Map<String, String> columnMap = modifyColumns.get(tableName);
               if (columnMap != null && !columnMap.isEmpty()) {
                 Set<String> keys = columnMap.keySet();
@@ -223,7 +222,7 @@ final class SqlHelper extends SQLiteOpenHelper {
           }
           //删除中介表
           mDelegate.dropTable(db, tableName + "_temp");
-        }else {
+        } else {
           mDelegate.createTable(db, clazz);
         }
       }
@@ -289,9 +288,9 @@ final class SqlHelper extends SQLiteOpenHelper {
   }
 
   /**
-   * 处理3.4版本之前数据库迁移，主要是修改子表外键字段对应的值
+   * 处理低版本的数据库迁移，主要是修改子表外键字段对应的值
    */
-  private void handle314AriaUpdate(SQLiteDatabase db) {
+  private void handleLowAriaUpdate(SQLiteDatabase db) {
     String[] taskTables =
         new String[] { "UploadTaskEntity", "DownloadTaskEntity", "DownloadGroupTaskEntity" };
     for (String taskTable : taskTables) {
@@ -305,6 +304,9 @@ final class SqlHelper extends SQLiteOpenHelper {
     String[] keys = new String[] { "downloadPath", "groupName" };
     int i = 0;
     for (String tableName : tables) {
+      if (!mDelegate.tableExists(db, tableName)) {
+        continue;
+      }
       String pColumn = keys[i];
       String nullSql =
           String.format("DELETE FROM %s WHERE %s='' OR %s IS NULL", tableName, pColumn, pColumn);
@@ -323,10 +325,16 @@ final class SqlHelper extends SQLiteOpenHelper {
     }
 
     Map<String, Map<String, String>> modifyColumnMap = new HashMap<>();
-    Map<String, String> map = new HashMap<>();
-    map.put("groupName", "groupHash");
-    modifyColumnMap.put("DownloadEntity", map);
-    modifyColumnMap.put("DownloadGroupEntity", map);
+    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, List<String>> delColumnMap = new HashMap<>();
     List<String> dEntityDel = new ArrayList<>();
diff --git a/DEV_LOG.md b/DEV_LOG.md
index 4d737def..9023c673 100644
--- a/DEV_LOG.md
+++ b/DEV_LOG.md
@@ -3,9 +3,12 @@
     - fix bug https://github.com/AriaLyy/Aria/issues/403
     - fix bug https://github.com/AriaLyy/Aria/issues/414
     - fix bug https://github.com/AriaLyy/Aria/issues/406
+    - fix bug https://github.com/AriaLyy/Aria/issues/407
+    - fix bug https://github.com/AriaLyy/Aria/issues/416
+    - fix bug https://github.com/AriaLyy/Aria/issues/420
+    - fix bug https://github.com/AriaLyy/Aria/issues/422
     - 新增ftp上传拦截器 https://github.com/AriaLyy/Aria/issues/402
     - 重构线程任务模块
-    - 修复一个低版本数据库升级的问题 https://github.com/AriaLyy/Aria/issues/407
     - 新增m3u8协议的文件下载
     - 修复拦截器可能出现的空指针问题
     - 移除`DownloadGroupEntity`字段`groupHash`的主键约束，`DownloadEntity`字段`groupHash`的外键约束，`TaskRecord`字段`dGroupHash`的外键约束
@@ -14,7 +17,8 @@
     - 优化网络连接状态获取的逻辑
     - 修复配置文件的某些配置失效的问题
     - 新增m3u8切片状态注解`@M3U8.onPeerStart`，`@M3U8.onPeerComplete`，`@M3U8.onPeerFail`
-    - 新增动态指定m3u8协议视频的下载功能（边下边播）
+    - 新增动态指定m3u8协议视频的下载功能（边下边播下载支持）,[详情](https://aria.laoyuyu.me/aria_doc/download/m3u8_vod.html)
+    - 优化`unknownSize`的处理，https://github.com/AriaLyy/Aria/issues/419，需要注意，如果组合任务只任务数过多，将需要更多时间才能进入下载流程
   + v_3.6.4 (2019/5/16)
     - 优化任务接收器的代码结构
     - 修复`DbEntity.saveAll()`失败的问题
diff --git a/README.md b/README.md
index 87f4806d..26d8d54e 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,8 @@ Aria有以下特点：
    - 在配置文件中很容易就可以设置CA证书的信息
  + 支持[多线程分块下载](https://aria.laoyuyu.me/aria_doc/start/config.html)，能更有效的发挥机器IO性能
  + 支持300、301、302重定向下载链接下载
+ + 支持m3u8协议的文件下载[m3u8下载](https://aria.laoyuyu.me/aria_doc/download/m3u8.html)
+ + 支持m3u8边下边看的下载支持，[点击查看详情](https://aria.laoyuyu.me/aria_doc/download/m3u8_vod.html)
  + 下载支持文件长度动态增加，文件下载初始化时将不再占用过多的内存空间，见[动态长度配置](https://aria.laoyuyu.me/aria_doc/start/config.html#%E4%B8%8B%E8%BD%BD%E5%8A%A8%E6%80%81%E6%96%87%E4%BB%B6%E8%AF%B4%E6%98%8E)
 
 [怎样使用Aria?](#使用)
@@ -36,14 +38,17 @@ Aria有以下特点：
 
 <img src="https://github.com/AriaLyy/DownloadUtil/blob/master/img/group_task.gif" width="360" height="640"/>
 
+* m3u8下载
+
+![m3u8点播文件边下边看](https://github.com/AriaLyy/Aria/blob/master/img/m3u8VodDownload.gif)
 
 ## 引入库
 [![Core](https://api.bintray.com/packages/arialyy/maven/AriaApi/images/download.svg)](https://bintray.com/arialyy/maven/AriaApi/_latestVersion)
 [![Compiler](https://api.bintray.com/packages/arialyy/maven/AriaCompiler/images/download.svg)](https://bintray.com/arialyy/maven/AriaCompiler/_latestVersion)
 
 ```java
-compile 'com.arialyy.aria:aria-core:3.6.4'
-annotationProcessor 'com.arialyy.aria:aria-compiler:3.6.4'
+compile 'com.arialyy.aria:aria-core:3.6.5'
+annotationProcessor 'com.arialyy.aria:aria-compiler:3.6.5'
 ```
 如果出现android support依赖错误，请将 `compile 'com.arialyy.aria:aria-core:<last-version>'`替换为
 ```
@@ -113,36 +118,25 @@ protected void onCreate(Bundle savedInstanceState) {
 
 
 ### 版本日志
- + v_3.6.4 (2019/5/16)
-    - 优化任务接收器的代码结构
-    - 修复`DbEntity.saveAll()`失败的问题
-    - 修复分块任务重命名失败的问题
-    - fix bug https://github.com/AriaLyy/Aria/issues/379
-    - 移除`getDownloadTask(String url)`、`getGroupTask(List<String> urls)`、`getFtpDirTask(String path)`
-      等获取任务的api，如果你希望获取对应状态，请使用实体的状态判断，如：`getDownloadEntity()`、`getDownloadGroupEntity()`
-      `getFtpDirEntity()`
-    - fix bug https://github.com/AriaLyy/Aria/issues/388
-    - 修复使用`Content-Disposition`的文件名时，第一次下载无法重命名文件的问题
-    - 修复使用`Content-Disposition`的文件名时，多次重命名文件的问题
-    - 组合任务新增`unknownSize()`，用于处理组合任务大小ø未知的情况，https://github.com/AriaLyy/Aria/issues/380
-    - 优化`AbsThreadTask`代码
-    - 新增文件长度处理功能 https://github.com/AriaLyy/Aria/issues/393
-      ```java
-      .setFileLenAdapter(new IHttpFileLenAdapter() {
-        @Override public long handleFileLen(Map<String, List<String>> headers) {
-          ...
-          // 处理header中的文件长度
-
-          return fileLen;
-        }
-       })
-      ```
-    - 修复组合任务多次回调`onStop`注解的问题
-    - 优化`isRunning()`的逻辑，任务是否在执行的判断将更加准确
-    - 修复多次重复快速点击`暂停、开始`时，任务有可能重复下载的问题
-    - 修复组合任务中没有等待中的只任务实体保存失败的问题
-    - 新增组合任务url重复检查 https://github.com/AriaLyy/Aria/issues/395
-    - 初始化任务时，如果url、path有错误将会回调`@Download.onTaskFail`、`@Upload.onTaskFail`、`@DownGroup.onTaskFail`
+  + v_3.6.5
+    - fix bug https://github.com/AriaLyy/Aria/issues/403
+    - fix bug https://github.com/AriaLyy/Aria/issues/414
+    - fix bug https://github.com/AriaLyy/Aria/issues/406
+    - fix bug https://github.com/AriaLyy/Aria/issues/407
+    - fix bug https://github.com/AriaLyy/Aria/issues/416
+    - fix bug https://github.com/AriaLyy/Aria/issues/420
+    - fix bug https://github.com/AriaLyy/Aria/issues/422
+    - 新增ftp上传拦截器 https://github.com/AriaLyy/Aria/issues/402
+    - 重构线程任务模块
+    - 新增m3u8协议的文件下载
+    - 修复拦截器可能出现的空指针问题
+    - 移除`DownloadGroupEntity`字段`groupHash`的主键约束，`DownloadEntity`字段`groupHash`的外键约束，`TaskRecord`字段`dGroupHash`的外键约束
+    - 优化关联查询的性能
+    - 修复任务记录删除失败的问题
+    - 优化网络连接状态获取的逻辑
+    - 修复配置文件的某些配置失效的问题
+    - 新增m3u8切片状态注解`@M3U8.onPeerStart`，`@M3U8.onPeerComplete`，`@M3U8.onPeerFail`
+    - 新增动态指定m3u8协议视频的下载功能（边下边播下载支持）,[详情](https://aria.laoyuyu.me/aria_doc/download/m3u8_vod.html)
 
 [更多版本记录](https://github.com/AriaLyy/Aria/blob/master/DEV_LOG.md)
 
diff --git a/app/src/main/assets/aria_config.xml b/app/src/main/assets/aria_config.xml
index 0889a681..dab01a5e 100644
--- a/app/src/main/assets/aria_config.xml
+++ b/app/src/main/assets/aria_config.xml
@@ -22,7 +22,7 @@
   <download>
 
     <!--设置任务最大下载速度，0表示不限速，单位为：kb-->
-    <maxSpeed value="128"/>
+    <maxSpeed value="0"/>
 
     <!--
       多线程下载是否使用块下载模式，{@code true}使用，{@code false}不使用
diff --git a/app/src/main/java/com/arialyy/simple/core/download/HttpDownloadModule.java b/app/src/main/java/com/arialyy/simple/core/download/HttpDownloadModule.java
index 230807c9..34dac3f1 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/HttpDownloadModule.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/HttpDownloadModule.java
@@ -34,7 +34,8 @@ public class HttpDownloadModule extends BaseViewModule {
 
   private final String defUrl =
       "http://hzdown.muzhiwan.com/2017/05/08/nl.noio.kingdom_59104935e56f0.apk";
-      //"http://202.98.201.103:7000/vrs/TPK/ZTC440402001Z.tpk";
+  //"http://9.9.9.205:5000/download/Cyberduck-6.9.4.30164.zip";
+  //"http://202.98.201.103:7000/vrs/TPK/ZTC440402001Z.tpk";
   private final String defFilePath =
       Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getPath()
           + "/ZTC440402001Z.tpk";
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 7d7bb9ba..1fd5b990 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
@@ -97,8 +97,8 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
                   Environment.getExternalStorageDirectory().getPath() + "/Download/group_test_2")
               .setGroupAlias("任务组测试")
               //.setSubFileName(getModule(GroupModule.class).getSubName2())
-              .setSubFileName(getModule(GroupModule.class).getSubName())
-              .unknownSize()
+              //.setSubFileName(getModule(GroupModule.class).getSubName())
+              //.unknownSize()
               .setFileLenAdapter(new IHttpFileLenAdapter() {
                 @Override public long handleFileLen(Map<String, List<String>> headers) {
 
@@ -111,7 +111,7 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
                   return Long.parseLong(temp);
                 }
               })
-              //.setFileSize(114981416)
+              .setFileSize(114981416)
               //.updateUrls(temp)
               .start();
           getBinding().setStateStr(getString(R.string.stop));
@@ -170,6 +170,7 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
   @DownloadGroup.onTaskStop() void taskStop(DownloadGroupTask task) {
     L.d(TAG, "group task stop");
     getBinding().setSpeed("");
+    getBinding().setStateStr(getString(R.string.start));
   }
 
   @DownloadGroup.onTaskCancel() void taskCancel(DownloadGroupTask task) {
@@ -182,6 +183,7 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
   @DownloadGroup.onTaskFail() void taskFail(DownloadGroupTask task) {
     L.d(TAG, "group task fail");
     getBinding().setStateStr(getString(R.string.resume));
+    getBinding().setSpeed("");
   }
 
   @DownloadGroup.onTaskComplete() void taskComplete(DownloadGroupTask task) {
@@ -236,6 +238,7 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
 
   @DownloadGroup.onSubTaskComplete void onSubTaskComplete(DownloadGroupTask groupTask,
       DownloadEntity subEntity) {
+    mChildList.updateChildState(subEntity);
   }
 
   @DownloadGroup.onSubTaskFail void onSubTaskFail(DownloadGroupTask groupTask,
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 ad89fa56..088e38dd 100644
--- a/app/src/main/java/com/arialyy/simple/widget/SubStateLinearLayout.java
+++ b/app/src/main/java/com/arialyy/simple/widget/SubStateLinearLayout.java
@@ -18,7 +18,6 @@ package com.arialyy.simple.widget;
 import android.content.Context;
 import android.support.annotation.Nullable;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.util.SparseArray;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -36,6 +35,7 @@ import java.util.WeakHashMap;
  */
 public class SubStateLinearLayout extends LinearLayout implements View.OnClickListener {
   private final String TAG = "SubStateLinearLayout";
+
   interface OnShowCallback {
     void onShow(boolean visibility);
   }
@@ -100,7 +100,7 @@ public class SubStateLinearLayout extends LinearLayout implements View.OnClickLi
 
   public void updateChildProgress(List<DownloadEntity> entities) {
     for (DownloadEntity entity : entities) {
-      Integer i = mPosition.get(entity.getDownloadPath());
+      Integer i = mPosition.get(entity.getFilePath());
       if (i == null) return;
       int position = i;
       if (position != -1) {
@@ -112,6 +112,22 @@ public class SubStateLinearLayout extends LinearLayout implements View.OnClickLi
     }
   }
 
+  public void updateChildState(DownloadEntity entity) {
+    Integer i = mPosition.get(entity.getFilePath());
+    if (i == null) return;
+    int position = i;
+    if (position != -1) {
+      TextView child = ((TextView) getChildAt(position));
+      if (entity.isComplete()) {
+        child.setText(entity.getFileName() + " | " + getResources().getText(R.string.complete));
+      } else {
+        int p = getPercent(entity);
+        child.setText(entity.getFileName() + ": " + p + "%" + "   | " + entity.getConvertSpeed());
+      }
+      child.invalidate();
+    }
+  }
+
   private TextView createView(int position, DownloadEntity entity) {
     TextView view =
         (TextView) LayoutInflater.from(getContext()).inflate(R.layout.layout_child_state, null);
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 506b00e3..cfd04d89 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -12,6 +12,7 @@
   <string name="start">开始</string>
   <string name="resume">恢复</string>
   <string name="delete">删除</string>
+  <string name="complete">完成</string>
   <string name="code_simple">代码示例：</string>
   <string name="download_success">下载完成</string>
   <string name="download_fail">下载失败</string>
@@ -125,7 +126,7 @@
 
   <string-array name="group_urls_1">
     <item>http://hzdown.muzhiwan.com/2017/05/08/nl.noio.kingdom_59104935e56f0.apk</item>
-    <!--<item>https://atom-installer.github.com/v1.13.0/AtomSetup.exe</item>-->
+    <item>https://atom-installer.github.com/v1.13.0/AtomSetup.exe1</item>
     <item>http://hzdown.muzhiwan.com/2017/09/05/com.mir.iphone.empire83jie.mzw_59ae6d5a3638d.apk</item>
   </string-array>
 
diff --git a/build.gradle b/build.gradle
index f9e91beb..1fac0216 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_beta_3'
+  publishVersion = '3.6.5'
 //  publishVersion = '1.0.4'  //FTP插件
   repoName='maven'
   desc = 'android 下载框架'
diff --git a/img/m3u8VodDownload.gif b/img/m3u8VodDownload.gif
index 54cb73c6..e3430fe9 100644
Binary files a/img/m3u8VodDownload.gif and b/img/m3u8VodDownload.gif differ
diff --git a/py/download.py b/py/download.py
index a90dd755..b06e9d7b 100644
--- a/py/download.py
+++ b/py/download.py
@@ -1,4 +1,5 @@
 # coding=utf-8
+#!/usr/bin/python3
 
 import os
 from flask import Flask, send_from_directory, request
@@ -12,8 +13,8 @@ def downloader(filename):
     不支持断点的下载
     """
     data = request.values.get('key')
-    print data
-    dirpath = 'D:/test'
+    print(data)
+    dirpath = '/Users/aria/dev/ftp'
     return send_from_directory(dirpath, filename, as_attachment=True)  # as_attachment=True 一定要写，不然会变成打开，而不是下载
 
 
@@ -24,7 +25,7 @@ def downloader1():
     """
     filename = request.values.get('filename')
     data = request.values.get('key')
-    print data
+    print(data)
     dirpath = 'D:/test'
     return send_from_directory(dirpath, filename, as_attachment=True)  # as_attachment=True 一定要写，不然会变成打开，而不是下载