diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/group/AbsGroupLoader.java b/PublicComponent/src/main/java/com/arialyy/aria/core/group/AbsGroupLoader.java
index 20c7a514..44954e89 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/group/AbsGroupLoader.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/group/AbsGroupLoader.java
@@ -217,14 +217,18 @@ public abstract class AbsGroupLoader implements ILoaderVisitor, ILoader {
 
   @Override public void cancel() {
     isCancel = true;
-    mInfoTask.cancel();
+    if (mInfoTask != null){
+      mInfoTask.cancel();
+    }
     closeTimer();
     mSubQueue.removeAllTask();
     mListener.onCancel();
   }
 
   @Override public void stop() {
-    mInfoTask.stop();
+    if (mInfoTask != null){
+      mInfoTask.stop();
+    }
     isStop = true;
     if (mSubQueue.getExecSize() == 0) {
       mListener.onStop(mGTWrapper.getEntity().getCurrentProgress());
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/loader/AbsNormalLoader.java b/PublicComponent/src/main/java/com/arialyy/aria/core/loader/AbsNormalLoader.java
index 4282ef58..94f8d3d5 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/loader/AbsNormalLoader.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/loader/AbsNormalLoader.java
@@ -229,7 +229,9 @@ public abstract class AbsNormalLoader<T extends AbsTaskWrapper> implements ILoad
       ALog.d(TAG, String.format("任务【%s】正在删除，删除任务失败", mTaskWrapper.getKey()));
       return;
     }
-    mInfoTask.cancel();
+    if (mInfoTask != null){
+      mInfoTask.cancel();
+    }
     closeTimer();
     isCancel = true;
     onCancel();
@@ -263,7 +265,9 @@ public abstract class AbsNormalLoader<T extends AbsTaskWrapper> implements ILoad
     if (isStop) {
       return;
     }
-    mInfoTask.stop();
+    if (mInfoTask != null){
+      mInfoTask.stop();
+    }
     closeTimer();
     isStop = true;
     onStop();
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/loader/SubLoader.java b/PublicComponent/src/main/java/com/arialyy/aria/core/loader/SubLoader.java
index 2d6a2825..f46d57d5 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/loader/SubLoader.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/loader/SubLoader.java
@@ -182,6 +182,9 @@ public final class SubLoader implements ILoader, ILoaderVisitor {
       return;
     }
     isStop = true;
+    if (infoTask != null){
+      infoTask.stop();
+    }
     for (IThreadTask iThreadTask : mTask) {
       iThreadTask.stop();
     }
@@ -203,6 +206,9 @@ public final class SubLoader implements ILoader, ILoaderVisitor {
       return;
     }
     isCancel = true;
+    if (infoTask != null){
+      infoTask.cancel();
+    }
     for (IThreadTask iThreadTask : mTask) {
       iThreadTask.cancel();
     }
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/task/ThreadTask.java b/PublicComponent/src/main/java/com/arialyy/aria/core/task/ThreadTask.java
index 5b953e18..8a67263b 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/task/ThreadTask.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/task/ThreadTask.java
@@ -225,7 +225,7 @@ public class ThreadTask implements IThreadTask, IThreadTaskObserver {
     File blockFile = mConfig.tempFile;
     if (!blockFile.exists() || blockFile.length() != mRecord.blockLen) {
       ALog.i(TAG,
-          String.format("分块【%s】错误，blockFileLen: %s, threadRect: %s; 即将重新下载该分块，开始位置：%s，结束位置：%s",
+          String.format("分块【%s】错误，blockFileLen: %s, threadRect: %s; 即将重新下载该分块, 开始位置：%s，结束位置：%s",
               blockFile.getName(), blockFile.length(), mRecord.blockLen, mRecord.startLocation,
               mRecord.endLocation));
       if (blockFile.exists()) {
@@ -310,7 +310,8 @@ public class ThreadTask implements IThreadTask, IThreadTaskObserver {
   }
 
   @Override public synchronized void updateCompleteState() {
-    ALog.i(TAG, String.format("任务【%s】线程__%s__完成, blockSize = %s", getTaskWrapper().getKey(), mRecord.threadId, mConfig.tempFile.length()));
+    ALog.i(TAG, String.format("任务【%s】线程__%s__完成, blockSize = %s", getTaskWrapper().getKey(),
+        mRecord.threadId, mConfig.tempFile.length()));
     writeConfig(true, mRecord.endLocation);
     // 进度发送不是实时的，发送完成任务前，需要更新一次进度
     sendRunningState();
@@ -420,7 +421,7 @@ public class ThreadTask implements IThreadTask, IThreadTaskObserver {
    * 重试ts分片
    */
   private void retryM3U8Peer(boolean needRetry) {
-    if (mConfig.ignoreFailure){
+    if (mConfig.ignoreFailure) {
       ALog.d(TAG, "忽略失败的切片");
       sendFailMsg(null, false);
       return;
@@ -431,9 +432,10 @@ public class ThreadTask implements IThreadTask, IThreadTaskObserver {
       sendFailMsg(null, false);
       return;
     }
-    if (mFailTimes < RETRY_NUM && needRetry && (NetUtils.isConnected(
-        AriaConfig.getInstance().getAPP())
-        || isNotNetRetry) && !isBreak()) {
+    if (mFailTimes < RETRY_NUM
+        && needRetry
+        && (NetUtils.isConnected(AriaConfig.getInstance().getAPP()) || isNotNetRetry)
+        && !isBreak()) {
       ALog.w(TAG, String.format("ts切片【%s】第%s重试", getFileName(), String.valueOf(mFailTimes)));
       mFailTimes++;
       FileUtil.deleteFile(mConfig.tempFile);
@@ -455,15 +457,19 @@ public class ThreadTask implements IThreadTask, IThreadTaskObserver {
       sendFailMsg(null, false);
       return;
     }
-    if (mFailTimes < RETRY_NUM && needRetry && (NetUtils.isConnected(
-        AriaConfig.getInstance().getAPP()) || isNotNetRetry) && !isBreak()) {
+    if (mFailTimes < RETRY_NUM
+        && needRetry
+        && (NetUtils.isConnected(AriaConfig.getInstance().getAPP()) || isNotNetRetry)
+        && !isBreak()) {
       ALog.w(TAG, String.format("分块【%s】第%s次重试", getFileName(), String.valueOf(mFailTimes)));
       mFailTimes++;
       handleBlockRecord();
       ThreadTaskManager.getInstance().retryThread(this);
       return;
     }
-    ALog.e(TAG, String.format("任务【%s】执行失败", getFileName()));
+    ALog.e(TAG,
+        String.format("重试分开【%s】失败，failTimes = %s, needRetry = %s, isBreak = %s",
+            getFileName(), mFailTimes, needRetry, isBreak()));
     sendFailMsg(null, needRetry);
   }
 
diff --git a/app/src/main/java/com/arialyy/simple/core/download/group/GroupModule.java b/app/src/main/java/com/arialyy/simple/core/download/group/GroupModule.java
index ec1ad778..29389dc3 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/group/GroupModule.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/group/GroupModule.java
@@ -34,7 +34,7 @@ public class GroupModule extends BaseModule {
     List<String> urls = new ArrayList<>();
     urls.add("http://storage.jd.com/apk/newchannel/jingdongdaojia-lechuang30.apk");
     urls.add("https://appdownload.alicdn.com/publish/cainiao4android/latest/cainiao4android_1598322688221.apk");
-    urls.add("http://dl-tc.coolapkmarket.com/down/apk_file/2020/0927/Coolapk-10.5.3-2009271_sign.apk");
+    urls.add("https://yanxuan-dl.nosdn.127.net/yan/android/yanxuan-aos_out_3547.apk");
     return urls;
   }
   List<String> getUrls1() {
@@ -52,7 +52,7 @@ public class GroupModule extends BaseModule {
     //Collections.addAll(names, str);
     names.add("京东到家.apk");
     names.add("菜鸟.apk");
-    names.add("酷安.apk");
+    names.add("网易严选.apk");
     //names.add("4.png");
     //names.add("5.png");
     return names;