diff --git a/Aria/src/main/java/com/arialyy/aria/core/scheduler/DownloadSchedulers.java b/Aria/src/main/java/com/arialyy/aria/core/scheduler/DownloadSchedulers.java
index 33416706..e6d70851 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/scheduler/DownloadSchedulers.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/scheduler/DownloadSchedulers.java
@@ -199,19 +199,23 @@ public class DownloadSchedulers implements IDownloadSchedulers {
    *
    * @param entity 失败实体
    */
-  @Override public void handleFailTask(DownloadEntity entity) {
-    final Configuration config = Configuration.getInstance();
-    if (entity.getFailNum() <= config.getReTryNum()) {
-      Task task = mQueue.getTask(entity);
-      mQueue.reTryStart(task);
-      try {
-        Thread.currentThread().sleep(config.getReTryInterval());
-      } catch (InterruptedException e) {
-        e.printStackTrace();
+  @Override public void handleFailTask(final DownloadEntity entity) {
+    new Thread(new Runnable() {
+      @Override public void run() {
+        final Configuration config = Configuration.getInstance();
+        if (entity.getFailNum() <= config.getReTryNum()) {
+          Task task = mQueue.getTask(entity);
+          mQueue.reTryStart(task);
+          try {
+            Thread.sleep(config.getReTryInterval());
+          } catch (InterruptedException e) {
+            e.printStackTrace();
+          }
+        } else {
+          startNextTask(entity);
+        }
       }
-    } else {
-      startNextTask(entity);
-    }
+    }).start();
   }
 
   /**
diff --git a/Aria/src/main/java/com/arialyy/aria/core/task/DownloadUtil.java b/Aria/src/main/java/com/arialyy/aria/core/task/DownloadUtil.java
index 97c845c9..c69ee94a 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/task/DownloadUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/task/DownloadUtil.java
@@ -229,10 +229,10 @@ final class DownloadUtil implements IDownloadUtil, Runnable {
       conn.setConnectTimeout(mConnectTimeOut * 4);
       conn.connect();
       int len = conn.getContentLength();
-      if (len < 0) {  //网络被劫持时会出现这个问题
-        failDownload("下载失败，网络被劫持");
-        return;
-      }
+      //if (len < 0) {  //网络被劫持时会出现这个问题
+      //  failDownload("下载失败，网络被劫持");
+      //  return;
+      //}
       int code = conn.getResponseCode();
       //https://zh.wikipedia.org/wiki/HTTP%E7%8A%B6%E6%80%81%E7%A0%81
       //206支持断点
@@ -240,8 +240,9 @@ final class DownloadUtil implements IDownloadUtil, Runnable {
         isSupportBreakpoint = true;
         mListener.supportBreakpoint(true);
         handleBreakpoint(conn);
-      } else if (code == HttpURLConnection.HTTP_OK) {
+      } else if (code == HttpURLConnection.HTTP_OK || len < 0) {
         //在conn.setRequestProperty("Range", "bytes=" + 0 + "-");下，200为不支持断点状态
+        isSupportBreakpoint = false;
         mListener.supportBreakpoint(false);
         Log.w(TAG, "该下载链接不支持断点下载");
         handleBreakpoint(conn);
diff --git a/Aria/src/main/java/com/arialyy/aria/core/task/Task.java b/Aria/src/main/java/com/arialyy/aria/core/task/Task.java
index 6f7ec758..fdccc9d2 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/task/Task.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/task/Task.java
@@ -257,7 +257,6 @@ public class Task {
     @Override public void onStart(long startLocation) {
       super.onStart(startLocation);
       downloadEntity.setState(DownloadEntity.STATE_DOWNLOAD_ING);
-      downloadEntity.setFailNum(0);
       sendInState2Target(DownloadSchedulers.START);
       sendIntent(Aria.ACTION_START, startLocation);
     }
diff --git a/app/src/main/java/com/arialyy/simple/activity/SingleTaskActivity.java b/app/src/main/java/com/arialyy/simple/activity/SingleTaskActivity.java
index 7c259352..8ea93fb8 100644
--- a/app/src/main/java/com/arialyy/simple/activity/SingleTaskActivity.java
+++ b/app/src/main/java/com/arialyy/simple/activity/SingleTaskActivity.java
@@ -54,10 +54,10 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   public static final  int    DOWNLOAD_RESUME   = 0x05;
   public static final  int    DOWNLOAD_COMPLETE = 0x06;
   public static final  int    DOWNLOAD_RUNNING  = 0x07;
-  private static final String DOWNLOAD_URL      =
-      "http://static.gaoshouyou.com/d/3a/93/573ae1db9493a801c24bf66128b11e39.apk";
   //private static final String DOWNLOAD_URL      =
-  //    "http://img13.poco.cn/mypoco/myphoto/20120828/15/55689209201208281549023849547194135_001.jpg";
+  //    "http://static.gaoshouyou.com/d/3a/93/573ae1db9493a801c24bf66128b11e39.apk";
+  private static final String DOWNLOAD_URL      =
+      "http://o.aolcdn.com/hss/storage/midas/3679ed444c51eca8d17a82b7da021b01/204737495/fitbit-charge-2.jpeg";
   @Bind(R.id.progressBar) HorizontalProgressBarWithNumber mPb;
   @Bind(R.id.start)       Button                          mStart;
   @Bind(R.id.stop)        Button                          mStop;
@@ -124,9 +124,9 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
           mCancel.setEnabled(false);
           setBtState(true);
 
-          //String path = Environment.getExternalStorageDirectory().getPath() + "/test.jpg";
-          //Bitmap bm = BitmapFactory.decodeFile(path);
-          //mImg.setImageBitmap(bm);
+          String path = Environment.getExternalStorageDirectory().getPath() + "/test.jpg";
+          Bitmap bm = BitmapFactory.decodeFile(path);
+          mImg.setImageBitmap(bm);
 
           break;
       }
@@ -203,10 +203,10 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   private void start() {
     Aria.whit(this)
         .load(DOWNLOAD_URL)
-        .setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.apk")
-        .setDownloadName("test.apk")
-        //.setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.jpg")
-        //.setDownloadName("test.jpg")
+        //.setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.apk")
+        //.setDownloadName("test.apk")
+        .setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.jpg")
+        .setDownloadName("test.jpg")
         .start();
   }