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 c33dfeba..e127bec8 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
@@ -17,6 +17,7 @@ package com.arialyy.aria.core.download;
 
 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;
 
 /**
@@ -26,13 +27,16 @@ import com.arialyy.aria.core.scheduler.ISchedulers;
 class DownloadGroupListener extends BaseDListener<DownloadGroupEntity, DownloadGroupTask>
     implements IDownloadGroupListener {
   private final String TAG = "DownloadGroupListener";
+  private GroupSendParams<DownloadGroupTask, DownloadEntity> mSeedEntity;
 
   DownloadGroupListener(DownloadGroupTask task, Handler outHandler) {
     super(task, outHandler);
+    mSeedEntity = new GroupSendParams<>();
+    mSeedEntity.groupTask = task;
   }
 
   @Override public void onSubPre(DownloadEntity subEntity) {
-    sendInState2Target(ISchedulers.SUB_PRE);
+    sendInState2Target(ISchedulers.SUB_PRE, subEntity);
   }
 
   @Override public void supportBreakpoint(boolean support, DownloadEntity subEntity) {
@@ -40,31 +44,31 @@ class DownloadGroupListener extends BaseDListener<DownloadGroupEntity, DownloadG
   }
 
   @Override public void onSubStart(DownloadEntity subEntity) {
-    sendInState2Target(ISchedulers.SUB_START);
+    sendInState2Target(ISchedulers.SUB_START, subEntity);
   }
 
   @Override public void onSubStop(DownloadEntity subEntity) {
     saveCurrentLocation();
-    sendInState2Target(ISchedulers.SUB_STOP);
+    sendInState2Target(ISchedulers.SUB_STOP, subEntity);
   }
 
   @Override public void onSubComplete(DownloadEntity subEntity) {
     saveCurrentLocation();
-    sendInState2Target(ISchedulers.SUB_COMPLETE);
+    sendInState2Target(ISchedulers.SUB_COMPLETE, subEntity);
   }
 
   @Override public void onSubFail(DownloadEntity subEntity) {
     saveCurrentLocation();
-    sendInState2Target(ISchedulers.SUB_FAIL);
+    sendInState2Target(ISchedulers.SUB_FAIL, subEntity);
   }
 
-  @Override public void onSubCancel(DownloadEntity entity) {
+  @Override public void onSubCancel(DownloadEntity subEntity) {
     saveCurrentLocation();
-    sendInState2Target(ISchedulers.SUB_CANCEL);
+    sendInState2Target(ISchedulers.SUB_CANCEL, subEntity);
   }
 
   @Override public void onSubRunning(DownloadEntity subEntity) {
-    sendInState2Target(ISchedulers.SUB_RUNNING);
+    sendInState2Target(ISchedulers.SUB_RUNNING, subEntity);
   }
 
   /**
@@ -72,9 +76,10 @@ class DownloadGroupListener extends BaseDListener<DownloadGroupEntity, DownloadG
    *
    * @param state {@link ISchedulers#START}
    */
-  private void sendInState2Target(int state) {
+  private void sendInState2Target(int state, DownloadEntity subEntity) {
     if (outHandler.get() != null) {
-      outHandler.get().obtainMessage(state, ISchedulers.IS_SUB_TASK, 0, mTask).sendToTarget();
+      mSeedEntity.entity = subEntity;
+      outHandler.get().obtainMessage(state, ISchedulers.IS_SUB_TASK, 0, mSeedEntity).sendToTarget();
     }
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/GroupSendParams.java b/Aria/src/main/java/com/arialyy/aria/core/inf/GroupSendParams.java
new file mode 100644
index 00000000..2a977b9e
--- /dev/null
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/GroupSendParams.java
@@ -0,0 +1,34 @@
+/*
+ * 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 lyy on 2017/9/8.
+ * 任务组参数传递
+ */
+public class GroupSendParams<GROUP_TASK extends AbsGroupTask, ENTITY extends AbsNormalEntity> {
+
+  public GROUP_TASK groupTask;
+  public ENTITY entity;
+
+  public GroupSendParams() {
+  }
+
+  public GroupSendParams(GROUP_TASK groupTask, ENTITY entity) {
+    this.groupTask = groupTask;
+    this.entity = entity;
+  }
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulerListener.java b/Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulerListener.java
index da969577..863c595b 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulerListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulerListener.java
@@ -15,13 +15,13 @@
  */
 package com.arialyy.aria.core.scheduler;
 
-import com.arialyy.aria.core.inf.AbsNormalTask;
+import com.arialyy.aria.core.inf.AbsNormalEntity;
 import com.arialyy.aria.core.inf.ITask;
 
 /**
  * Created by Aria.Lao on 2017/6/7.
  */
-public class AbsSchedulerListener<TASK extends ITask, SUB_TASK extends AbsNormalTask> implements ISchedulerListener<TASK> {
+public class AbsSchedulerListener<TASK extends ITask, SUB_ENTITY extends AbsNormalEntity> implements ISchedulerListener<TASK> {
 
   @Override public void onPre(TASK task) {
 
@@ -67,31 +67,31 @@ public class AbsSchedulerListener<TASK extends ITask, SUB_TASK extends AbsNormal
 
   }
 
-  public void onSubTaskPre(TASK task, SUB_TASK subTask) {
+  public void onSubTaskPre(TASK task, SUB_ENTITY subTask) {
 
   }
 
-  public void onSubTaskStart(TASK task, SUB_TASK subTask) {
+  public void onSubTaskStart(TASK task, SUB_ENTITY subTask) {
 
   }
 
-  public void onSubTaskStop(TASK task, SUB_TASK subTask) {
+  public void onSubTaskStop(TASK task, SUB_ENTITY subTask) {
 
   }
 
-  public void onSubTaskCancel(TASK task, SUB_TASK subTask) {
+  public void onSubTaskCancel(TASK task, SUB_ENTITY subTask) {
 
   }
 
-  public void onSubTaskComplete(TASK task, SUB_TASK subTask) {
+  public void onSubTaskComplete(TASK task, SUB_ENTITY subTask) {
 
   }
 
-  public void onSubTaskFail(TASK task, SUB_TASK subTask) {
+  public void onSubTaskFail(TASK task, SUB_ENTITY subTask) {
 
   }
 
-  public void onSubTaskRunning(TASK task, SUB_TASK subTask) {
+  public void onSubTaskRunning(TASK task, SUB_ENTITY subTask) {
 
   }
 }
\ No newline at end of file
diff --git a/Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulers.java b/Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulers.java
index a82b5f6a..144b6216 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulers.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulers.java
@@ -21,9 +21,10 @@ import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.download.DownloadTask;
 import com.arialyy.aria.core.inf.AbsEntity;
-import com.arialyy.aria.core.inf.AbsNormalTask;
+import com.arialyy.aria.core.inf.AbsNormalEntity;
 import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.core.inf.GroupSendParams;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.queue.ITaskQueue;
 import com.arialyy.aria.core.upload.UploadTask;
@@ -46,7 +47,8 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY extends A
 
   protected QUEUE mQueue;
 
-  private Map<String, AbsSchedulerListener<TASK, AbsNormalTask>> mObservers = new ConcurrentHashMap<>();
+  private Map<String, AbsSchedulerListener<TASK, AbsNormalEntity>> mObservers =
+      new ConcurrentHashMap<>();
 
   /**
    * 设置调度器类型
@@ -60,7 +62,7 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY extends A
 
   @Override public void register(Object obj) {
     String targetName = obj.getClass().getName();
-    AbsSchedulerListener<TASK, AbsNormalTask> listener = mObservers.get(targetName);
+    AbsSchedulerListener<TASK, AbsNormalEntity> listener = mObservers.get(targetName);
     if (listener == null) {
       listener = createListener(targetName);
       if (listener != null) {
@@ -73,9 +75,9 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY extends A
   }
 
   @Override public void unRegister(Object obj) {
-    for (Iterator<Map.Entry<String, AbsSchedulerListener<TASK, AbsNormalTask>>> iter =
+    for (Iterator<Map.Entry<String, AbsSchedulerListener<TASK, AbsNormalEntity>>> iter =
         mObservers.entrySet().iterator(); iter.hasNext(); ) {
-      Map.Entry<String, AbsSchedulerListener<TASK, AbsNormalTask>> entry = iter.next();
+      Map.Entry<String, AbsSchedulerListener<TASK, AbsNormalEntity>> entry = iter.next();
       if (entry.getKey().equals(obj.getClass().getName())) iter.remove();
     }
   }
@@ -85,11 +87,11 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY extends A
    *
    * @param targetName 通过观察者创建对应的Aria事件代理
    */
-  private AbsSchedulerListener<TASK, AbsNormalTask> createListener(String targetName) {
-    AbsSchedulerListener<TASK, AbsNormalTask> listener = null;
+  private AbsSchedulerListener<TASK, AbsNormalEntity> createListener(String targetName) {
+    AbsSchedulerListener<TASK, AbsNormalEntity> listener = null;
     try {
       Class clazz = Class.forName(targetName + getProxySuffix());
-      listener = (AbsSchedulerListener<TASK, AbsNormalTask>) clazz.newInstance();
+      listener = (AbsSchedulerListener<TASK, AbsNormalEntity>) clazz.newInstance();
     } catch (ClassNotFoundException e) {
       Log.e(TAG, targetName + "，没有Aria的Download或Upload注解方法");
     } catch (InstantiationException e) {
@@ -101,49 +103,54 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY extends A
   }
 
   @Override public boolean handleMessage(Message msg) {
+    if (msg.arg1 == IS_SUB_TASK) {
+      return handleSubEvent(msg);
+    }
+
     TASK task = (TASK) msg.obj;
     if (task == null) {
       Log.e(TAG, "请传入下载任务");
       return true;
     }
-
-    if (msg.arg1 == IS_SUB_TASK) {
-      handleSubEvent(task, msg.what);
-    } else {
-      handleNormalEvent(task, msg.what);
-    }
-
+    handleNormalEvent(task, msg.what);
     return true;
   }
 
   /**
    * 处理任务组子任务事件
    */
-  private void handleSubEvent(TASK task, int what) {
-    ENTITY entity = task.getEntity();
+  private boolean handleSubEvent(Message msg) {
+    GroupSendParams params = (GroupSendParams) msg.obj;
     if (mObservers.size() > 0) {
       Set<String> keys = mObservers.keySet();
       for (String key : keys) {
-        AbsSchedulerListener<TASK, AbsNormalTask> listener = mObservers.get(key);
-        switch (what) {
+        AbsSchedulerListener<TASK, AbsNormalEntity> listener = mObservers.get(key);
+        switch (msg.what) {
           case SUB_PRE:
-            //listener.onSubTaskPre(task, );
+            listener.onSubTaskPre((TASK) params.groupTask, params.entity);
             break;
           case SUB_START:
+            listener.onSubTaskStart((TASK) params.groupTask, params.entity);
             break;
           case SUB_STOP:
+            listener.onSubTaskStop((TASK) params.groupTask, params.entity);
             break;
           case SUB_FAIL:
+            listener.onSubTaskFail((TASK) params.groupTask, params.entity);
             break;
           case SUB_RUNNING:
+            listener.onSubTaskRunning((TASK) params.groupTask, params.entity);
             break;
           case SUB_CANCEL:
+            listener.onSubTaskCancel((TASK) params.groupTask, params.entity);
             break;
           case SUB_COMPLETE:
+            listener.onSubTaskComplete((TASK) params.groupTask, params.entity);
             break;
         }
       }
     }
+    return true;
   }
 
   /**
@@ -189,7 +196,8 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY extends A
     }
   }
 
-  private void callback(int state, TASK task, AbsSchedulerListener<TASK, AbsNormalTask> listener) {
+  private void callback(int state, TASK task,
+      AbsSchedulerListener<TASK, AbsNormalEntity> listener) {
     if (listener != null) {
       if (task == null) {
         Log.e(TAG, "TASK 为null，回调失败");
diff --git a/AriaCompiler/src/main/java/com/arialyy/compiler/ElementHandler.java b/AriaCompiler/src/main/java/com/arialyy/compiler/ElementHandler.java
index 78917280..50775981 100644
--- a/AriaCompiler/src/main/java/com/arialyy/compiler/ElementHandler.java
+++ b/AriaCompiler/src/main/java/com/arialyy/compiler/ElementHandler.java
@@ -138,7 +138,7 @@ class ElementHandler {
   void createProxyFile() {
     try {
       new EventProxyFiler(mFiler, mPbUtil).createEventProxyFile();
-      //new CountFiler(mFiler, mPbUtil).createCountFile();
+      new CountFiler(mFiler, mPbUtil).createCountFile();
     } catch (IOException e) {
       e.printStackTrace();
     }
diff --git a/AriaCompiler/src/main/java/com/arialyy/compiler/EventProxyFiler.java b/AriaCompiler/src/main/java/com/arialyy/compiler/EventProxyFiler.java
index f5480410..1e382fd9 100644
--- a/AriaCompiler/src/main/java/com/arialyy/compiler/EventProxyFiler.java
+++ b/AriaCompiler/src/main/java/com/arialyy/compiler/EventProxyFiler.java
@@ -112,7 +112,7 @@ final class EventProxyFiler {
 
     String callCode;
     if (taskEnum == TaskEnum.DOWNLOAD_GROUP_SUB) {
-      callCode = "task, subTask";
+      callCode = "task, subEntity";
     } else {
       callCode = "task";
     }
@@ -143,9 +143,9 @@ final class EventProxyFiler {
 
     //任务组接口
     if (taskEnum == TaskEnum.DOWNLOAD_GROUP_SUB) {
-      ClassName subTask = ClassName.get(TaskEnum.DOWNLOAD.pkg, TaskEnum.DOWNLOAD.className);
+      ClassName subTask = ClassName.get(TaskEnum.DOWNLOAD_ENTITY.pkg, TaskEnum.DOWNLOAD_ENTITY.className);
       ParameterSpec subTaskParam =
-          ParameterSpec.builder(subTask, "subTask").addModifiers(Modifier.FINAL).build();
+          ParameterSpec.builder(subTask, "subEntity").addModifiers(Modifier.FINAL).build();
 
       builder.addParameter(subTaskParam);
     }
diff --git a/AriaCompiler/src/main/java/com/arialyy/compiler/ParamObtainUtil.java b/AriaCompiler/src/main/java/com/arialyy/compiler/ParamObtainUtil.java
index ef334390..128b361a 100644
--- a/AriaCompiler/src/main/java/com/arialyy/compiler/ParamObtainUtil.java
+++ b/AriaCompiler/src/main/java/com/arialyy/compiler/ParamObtainUtil.java
@@ -84,7 +84,7 @@ class ParamObtainUtil {
           proxyEntity.proxyClassName = proxyEntity.className + taskEnum.proxySuffix;
           proxyEntity.mainTaskEnum = taskEnum;
           if (taskEnum == TaskEnum.DOWNLOAD_GROUP_SUB || taskEnum == TaskEnum.DOWNLOAD_GROUP) {
-            proxyEntity.subTaskEnum = TaskEnum.DOWNLOAD;
+            proxyEntity.subTaskEnum = TaskEnum.DOWNLOAD_ENTITY;
           }
           mMethodParams.put(key, proxyEntity);
         }
@@ -214,7 +214,7 @@ class ParamObtainUtil {
    */
   private String getCheckSubParams(TaskEnum taskEnum) {
     if (taskEnum == TaskEnum.DOWNLOAD_GROUP_SUB) {
-      return TaskEnum.DOWNLOAD.pkg + "." + TaskEnum.DOWNLOAD.className;
+      return TaskEnum.DOWNLOAD_ENTITY.pkg + "." + TaskEnum.DOWNLOAD_ENTITY.className;
     }
     return "";
   }
diff --git a/AriaCompiler/src/main/java/com/arialyy/compiler/ProxyClassParam.java b/AriaCompiler/src/main/java/com/arialyy/compiler/ProxyClassParam.java
index 60aaa60a..ddfaaeaf 100644
--- a/AriaCompiler/src/main/java/com/arialyy/compiler/ProxyClassParam.java
+++ b/AriaCompiler/src/main/java/com/arialyy/compiler/ProxyClassParam.java
@@ -44,7 +44,7 @@ class ProxyClassParam {
   /**
    * 子任务泛型参数
    */
-  TaskEnum subTaskEnum = TaskEnum.NORMAL;
+  TaskEnum subTaskEnum = TaskEnum.NORMAL_ENTITY;
 
   Set<TaskEnum> taskEnums;
   Map<String, Set<String>> keyMappings = new HashMap<>();
diff --git a/AriaCompiler/src/main/java/com/arialyy/compiler/TaskEnum.java b/AriaCompiler/src/main/java/com/arialyy/compiler/TaskEnum.java
index d7e2a9db..ee0fb4c8 100644
--- a/AriaCompiler/src/main/java/com/arialyy/compiler/TaskEnum.java
+++ b/AriaCompiler/src/main/java/com/arialyy/compiler/TaskEnum.java
@@ -23,10 +23,11 @@ enum TaskEnum {
   DOWNLOAD("com.arialyy.aria.core.download", "DownloadTask",
       "$$DownloadListenerProxy"), DOWNLOAD_GROUP("com.arialyy.aria.core.download",
       "DownloadGroupTask", "$$DownloadGroupListenerProxy"), DOWNLOAD_GROUP_SUB(
-      "com.arialyy.aria.core.download", "DownloadGroupTask",
-      "$$DownloadGroupListenerProxy"), UPLOAD("com.arialyy.aria.core.upload", "UploadTask",
-      "$$UploadListenerProxy"), UPLOAD_GROUP("com.arialyy.aria.core.upload", "UploadGroupTask",
-      "$$UploadGroupListenerProxy"), NORMAL("com.arialyy.aria.core.inf", "AbsNormalTask", "");
+      "com.arialyy.aria.core.download", "DownloadGroupTask", "$$DownloadGroupListenerProxy"), UPLOAD(
+      "com.arialyy.aria.core.upload", "UploadTask", "$$UploadListenerProxy"), UPLOAD_GROUP(
+      "com.arialyy.aria.core.upload", "UploadGroupTask",
+      "$$UploadGroupListenerProxy"), NORMAL_ENTITY("com.arialyy.aria.core.inf", "AbsNormalEntity",
+      ""), DOWNLOAD_ENTITY("com.arialyy.aria.core.download", "DownloadEntity", "");
 
   String pkg, className, proxySuffix;
 
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 bef50a66..86f428a0 100644
--- a/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
+++ b/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
@@ -18,7 +18,6 @@ package com.arialyy.simple.download;
 
 import android.os.Bundle;
 import android.os.Environment;
-import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
@@ -29,10 +28,10 @@ import butterknife.Bind;
 import com.arialyy.annotations.Download;
 import com.arialyy.annotations.DownloadGroup;
 import com.arialyy.aria.core.Aria;
+import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupTask;
 import com.arialyy.aria.core.download.DownloadTarget;
 import com.arialyy.aria.core.download.DownloadTask;
-import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.frame.util.show.L;
@@ -47,7 +46,8 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   private static final String DOWNLOAD_URL =
       //"http://kotlinlang.org/docs/kotlin-docs.pdf";
       //"https://atom-installer.github.com/v1.13.0/AtomSetup.exe?s=1484074138&ext=.exe";
-      "http://static.gaoshouyou.com/d/22/94/822260b849944492caadd2983f9bb624.apk";
+      //"http://static.gaoshouyou.com/d/22/94/822260b849944492caadd2983f9bb624.apk";
+      "http://sitcac.daxincf.cn/wp-content/uploads/swift_vido/01/element.mp4";
   //"http://120.25.196.56:8000/filereq?id=15692406294&ipncid=105635&client=android&filename=20170819185541.avi";
   //"http://down2.xiaoshuofuwuqi.com/d/file/filetxt/20170608/14/%BA%DA%CE%D7%CA%A6%E1%C8%C6%F0.txt";
   //"http://tinghuaapp.oss-cn-shanghai.aliyuncs.com/20170612201739607815";
@@ -116,14 +116,6 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
     return true;
   }
 
-  @DownloadGroup.onSubTaskFail void onSubTaskFail(DownloadGroupTask groupTask, DownloadTask subTask){
-
-  }
-
-  @DownloadGroup.onPre void onGroupPre(DownloadGroupTask groupTask){
-
-  }
-
   @Download.onPre(DOWNLOAD_URL) protected void onPre(DownloadTask task) {
     setBtState(false);
   }
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 7d97644c..7518d0d3 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
@@ -17,15 +17,14 @@ package com.arialyy.simple.download.group;
 
 import android.os.Bundle;
 import android.os.Environment;
-import android.view.Gravity;
 import android.view.View;
 import butterknife.Bind;
 import com.arialyy.annotations.DownloadGroup;
 import com.arialyy.aria.core.Aria;
+import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.download.DownloadGroupTask;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
-import com.arialyy.frame.util.AndroidUtils;
 import com.arialyy.frame.util.show.L;
 import com.arialyy.frame.util.show.T;
 import com.arialyy.simple.R;
@@ -99,6 +98,11 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
     }
   }
 
+  @DownloadGroup.onSubTaskRunning void onSubTaskRunning(DownloadGroupTask groupTask,
+      DownloadEntity subEntity) {
+    L.d(TAG, subEntity.getPercent() + "");
+  }
+
   @DownloadGroup.onPre() protected void onPre(DownloadGroupTask task) {
     L.d(TAG, "group pre");
   }