diff --git a/app/src/main/java/com/arialyy/simple/activity/MainActivity.java b/app/src/main/java/com/arialyy/simple/activity/MainActivity.java
index c6b232c4..6c22b7f4 100644
--- a/app/src/main/java/com/arialyy/simple/activity/MainActivity.java
+++ b/app/src/main/java/com/arialyy/simple/activity/MainActivity.java
@@ -19,6 +19,7 @@ package com.arialyy.simple.activity;
 
 import android.Manifest;
 import android.content.Intent;
+import android.os.Build;
 import android.os.Bundle;
 import android.support.v7.widget.Toolbar;
 import android.view.View;
@@ -49,7 +50,7 @@ public class MainActivity extends BaseActivity<ActivityMainBinding> {
     mBar.setTitle("多线程多任务下载");
     boolean hasPermission = PermissionManager.getInstance()
         .checkPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE);
-    if (hasPermission) {
+    if (hasPermission || Build.VERSION.SDK_INT <= Build.VERSION_CODES.M) {
       setEnable(true);
     } else {
       setEnable(false);
diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/core/AMReceiver.java b/downloadutil/src/main/java/com/arialyy/downloadutil/core/AMReceiver.java
index 7f804a2f..013f68b0 100644
--- a/downloadutil/src/main/java/com/arialyy/downloadutil/core/AMReceiver.java
+++ b/downloadutil/src/main/java/com/arialyy/downloadutil/core/AMReceiver.java
@@ -16,21 +16,15 @@
 package com.arialyy.downloadutil.core;
 
 import android.content.Context;
-import com.arialyy.downloadutil.core.command.CmdFactory;
-import com.arialyy.downloadutil.core.command.IDownloadCmd;
 import com.arialyy.downloadutil.core.scheduler.OnSchedulerListener;
-import com.arialyy.downloadutil.core.task.Task;
-import com.arialyy.downloadutil.util.CommonUtil;
-import java.util.ArrayList;
-import java.util.List;
 
 /**
  * AM 接收器
  */
 public class AMReceiver {
-  Context context;
+  Object             obj;
   OnSchedulerListener listener;
-  DownloadEntity entity;
+  DownloadEntity      entity;
   DownloadManager manager = DownloadManager.getInstance();
 
   public AMTarget load(DownloadEntity entity) {
@@ -43,7 +37,7 @@ public class AMReceiver {
    */
   public AMReceiver addSchedulerListener(OnSchedulerListener listener) {
     this.listener = listener;
-    manager.getTaskQueue().getDownloadSchedulers().addSchedulerListener(context, listener);
+    manager.getTaskQueue().getDownloadSchedulers().addSchedulerListener(listener);
     return this;
   }
 
diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/core/Aria.java b/downloadutil/src/main/java/com/arialyy/downloadutil/core/Aria.java
index 4e77ad6e..09064169 100644
--- a/downloadutil/src/main/java/com/arialyy/downloadutil/core/Aria.java
+++ b/downloadutil/src/main/java/com/arialyy/downloadutil/core/Aria.java
@@ -17,28 +17,49 @@
 package com.arialyy.downloadutil.core;
 
 import android.annotation.TargetApi;
+import android.app.Activity;
+import android.app.Application;
+import android.app.Fragment;
+import android.app.Service;
 import android.content.Context;
+import android.content.ContextWrapper;
 import android.os.Build;
+import com.bumptech.glide.Glide;
 
 /**
  * Created by lyy on 2016/12/1.
  * Aria启动，管理全局任务
  */
-@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1)
-public class Aria {
-  private static final Object LOCK = new Object();
-  private static volatile Aria INSTANCE = null;
-  private DownloadManager mDownloadManager;
+@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) public class Aria {
 
   private Aria() {
-    //mDownloadManager = DownloadManager.getInstance();
   }
 
   public static AMReceiver whit(Context context) {
-    return AriaManager.getInstance(context).get(context);
+    if (context == null) throw new IllegalArgumentException("context 不能为 null");
+    if (context instanceof Activity
+        || context instanceof Service
+        || context instanceof Application) {
+      return AriaManager.getInstance(context).get(context);
+    } else {
+      throw new IllegalArgumentException("这是不支持的context");
+    }
   }
 
-  public static AriaManager get(Context context){
-    return AriaManager.getInstance(context);
+  public static AMReceiver whit(Fragment fragment) {
+    return AriaManager.getInstance(
+        Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ? fragment.getContext()
+            : fragment.getActivity()).get(fragment);
+  }
+
+  public static AriaManager get(Context context) {
+    if (context == null) throw new IllegalArgumentException("context 不能为 null");
+    if (context instanceof Activity
+        || context instanceof Service
+        || context instanceof Application) {
+      return AriaManager.getInstance(context);
+    } else {
+      throw new IllegalArgumentException("这是不支持的context");
+    }
   }
 }
diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/core/AriaManager.java b/downloadutil/src/main/java/com/arialyy/downloadutil/core/AriaManager.java
index 9135e610..fef5af9c 100644
--- a/downloadutil/src/main/java/com/arialyy/downloadutil/core/AriaManager.java
+++ b/downloadutil/src/main/java/com/arialyy/downloadutil/core/AriaManager.java
@@ -41,8 +41,8 @@ import java.util.Set;
     return INSTANCE;
   }
 
-  AMReceiver get(Context context) {
-    return getTarget(context);
+  AMReceiver get(Object obj) {
+    return getTarget(obj);
   }
 
   /**
@@ -77,21 +77,21 @@ import java.util.Set;
     }
   }
 
-  private AMReceiver putTarget(Context context) {
-    String clsName = context.getClass().getName();
+  private AMReceiver putTarget(Object obj) {
+    String clsName = obj.getClass().getName();
     AMReceiver target = mTargets.get(clsName);
     if (target == null) {
       target = new AMReceiver();
-      target.context = context;
+      target.obj = obj;
       mTargets.put(clsName, target);
     }
     return target;
   }
 
-  private AMReceiver getTarget(Context context) {
-    AMReceiver target = mTargets.get(context.getClass().getName());
+  private AMReceiver getTarget(Object obj) {
+    AMReceiver target = mTargets.get(obj.getClass().getName());
     if (target == null) {
-      target = putTarget(context);
+      target = putTarget(obj);
     }
     return target;
   }
@@ -141,8 +141,8 @@ import java.util.Set;
       for (String key : keys) {
         if (key.equals(activity.getClass().getName())) {
           AMReceiver target = mTargets.get(key);
-          if (target.context != null) {
-            if (target.context instanceof Application || target.context instanceof Service) break;
+          if (target.obj != null) {
+            if (target.obj instanceof Application || target.obj instanceof Service) break;
             target.removeSchedulerListener();
             mTargets.remove(key);
           }
diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadManager.java b/downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadManager.java
index b5a6ce18..66ecad45 100644
--- a/downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadManager.java
+++ b/downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadManager.java
@@ -35,56 +35,56 @@ public class DownloadManager {
   /**
    * 预处理完成
    */
-  public static final String ACTION_PRE = "ACTION_PRE";
+  public static final     String             ACTION_PRE       = "ACTION_PRE";
   /**
    * 下载开始前事件
    */
-  public static final String ACTION_POST_PRE = "ACTION_POST_PRE";
+  public static final     String             ACTION_POST_PRE  = "ACTION_POST_PRE";
   /**
    * 开始下载事件
    */
-  public static final String ACTION_START = "ACTION_START";
+  public static final     String             ACTION_START     = "ACTION_START";
   /**
    * 恢复下载事件
    */
-  public static final String ACTION_RESUME = "ACTION_RESUME";
+  public static final     String             ACTION_RESUME    = "ACTION_RESUME";
   /**
    * 正在下载事件
    */
-  public static final String ACTION_RUNNING = "ACTION_RUNNING";
+  public static final     String             ACTION_RUNNING   = "ACTION_RUNNING";
   /**
    * 停止下载事件
    */
-  public static final String ACTION_STOP = "ACTION_STOP";
+  public static final     String             ACTION_STOP      = "ACTION_STOP";
   /**
    * 取消下载事件
    */
-  public static final String ACTION_CANCEL = "ACTION_CANCEL";
+  public static final     String             ACTION_CANCEL    = "ACTION_CANCEL";
   /**
    * 下载完成事件
    */
-  public static final String ACTION_COMPLETE = "ACTION_COMPLETE";
+  public static final     String             ACTION_COMPLETE  = "ACTION_COMPLETE";
   /**
    * 下载失败事件
    */
-  public static final String ACTION_FAIL = "ACTION_FAIL";
+  public static final     String             ACTION_FAIL      = "ACTION_FAIL";
   /**
    * 下载实体
    */
-  public static final String ENTITY = "DOWNLOAD_ENTITY";
+  public static final     String             ENTITY           = "DOWNLOAD_ENTITY";
   /**
    * 位置
    */
-  public static final String CURRENT_LOCATION = "CURRENT_LOCATION";
+  public static final     String             CURRENT_LOCATION = "CURRENT_LOCATION";
   /**
    * 速度
    */
-  public static final String CURRENT_SPEED = "CURRENT_SPEED";
-  private static final String TAG = "DownloadManager";
-  private static final Object LOCK = new Object();
-  private static volatile DownloadManager INSTANCE = null;
-  private List<IDownloadCmd> mCommands = new ArrayList<>();
-  private Context mContext;
+  public static final     String             CURRENT_SPEED    = "CURRENT_SPEED";
+  private static final    String             TAG              = "DownloadManager";
+  private static final    Object             LOCK             = new Object();
+  private static volatile DownloadManager    INSTANCE         = null;
+  private                 List<IDownloadCmd> mCommands        = new ArrayList<>();
+  private Context    mContext;
   private ITaskQueue mTaskQueue;
 
   private DownloadManager() {
@@ -99,14 +99,10 @@ public class DownloadManager {
   }
 
   public static DownloadManager init(Context context) {
-    if (context instanceof Application) {
-      if (INSTANCE == null) {
-        synchronized (LOCK) {
-          INSTANCE = new DownloadManager(context.getApplicationContext());
-        }
+    if (INSTANCE == null) {
+      synchronized (LOCK) {
+        INSTANCE = new DownloadManager(context.getApplicationContext());
       }
-    } else {
-      Log.e(TAG, "Context 只能为application");
     }
     return INSTANCE;
   }
diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/core/queue/DownloadTaskQueue.java b/downloadutil/src/main/java/com/arialyy/downloadutil/core/queue/DownloadTaskQueue.java
index 48ca946c..4e25cfb9 100644
--- a/downloadutil/src/main/java/com/arialyy/downloadutil/core/queue/DownloadTaskQueue.java
+++ b/downloadutil/src/main/java/com/arialyy/downloadutil/core/queue/DownloadTaskQueue.java
@@ -87,20 +87,23 @@ public class DownloadTaskQueue implements ITaskQueue {
   }
 
   @Override public void stopTask(Task task) {
-    if (task.isDownloading()) {
-      if (mExecutePool.removeTask(task)) {
-        task.stop();
-      }
-    } else {
-      task.stop();
-      Log.w(TAG, "停止任务失败，【任务已经停止】");
-    }
+    if (!task.isDownloading())Log.w(TAG, "停止任务失败，【任务已经停止】");
+    task.stop();
+    //if (task.isDownloading()) {
+    //  if (mExecutePool.removeTask(task)) {
+    //    task.stop();
+    //  }
+    //} else {
+    //  task.stop();
+    //  Log.w(TAG, "停止任务失败，【任务已经停止】");
+    //}
   }
 
   @Override public void cancelTask(Task task) {
-    if (mExecutePool.removeTask(task) || mCachePool.removeTask(task)) {
-      task.cancel();
-    }
+    //if (mExecutePool.removeTask(task) || mCachePool.removeTask(task)) {
+    //  task.cancel();
+    //}
+    task.cancel();
   }
 
   @Override public void reTryStart(Task task) {
diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/core/scheduler/DownloadSchedulers.java b/downloadutil/src/main/java/com/arialyy/downloadutil/core/scheduler/DownloadSchedulers.java
index ac995e90..793b7345 100644
--- a/downloadutil/src/main/java/com/arialyy/downloadutil/core/scheduler/DownloadSchedulers.java
+++ b/downloadutil/src/main/java/com/arialyy/downloadutil/core/scheduler/DownloadSchedulers.java
@@ -98,14 +98,17 @@ public class DownloadSchedulers implements IDownloadSchedulers {
   }
 
   @Override public boolean handleMessage(Message msg) {
-    DownloadEntity entity = (DownloadEntity) msg.obj;
-    if (entity == null) {
-      Log.e(TAG, "请传入下载实体DownloadEntity");
+    Task task = (Task) msg.obj;
+    if (task == null) {
+      Log.e(TAG, "请传入下载任务");
       return true;
     }
+    callback(msg.what, task);
+    DownloadEntity entity = task.getDownloadEntity();
     switch (msg.what) {
       case STOP:
       case CANCEL:
+        mQueue.removeTask(entity);
         if (mQueue.size() != ExecutePool.mSize) {
           startNextTask(entity);
         }
@@ -117,7 +120,6 @@ public class DownloadSchedulers implements IDownloadSchedulers {
         handleFailTask(entity);
         break;
     }
-    callback(msg.what, entity);
     return true;
   }
 
@@ -125,22 +127,22 @@ public class DownloadSchedulers implements IDownloadSchedulers {
    * 回调
    *
    * @param state 状态
-   * @param entity 下载实体
    */
-  private void callback(int state, DownloadEntity entity) {
+  private void callback(int state, Task task) {
     if (mSchedulerListeners.size() > 0) {
       //Set<Map.Entry<Integer, String>>
       for (Map.Entry<Integer, OnSchedulerListener> entry : mSchedulerListeners.entrySet()) {
-        callback(state, entity, entry.getValue());
+        callback(state, task, entry.getValue());
       }
     }
   }
 
-  private void callback(int state, DownloadEntity entity, OnSchedulerListener listener) {
+  private void callback(int state, Task task, OnSchedulerListener listener) {
     if (listener != null) {
-      Task task = mQueue.getTask(entity);
+      //Task task = mQueue.getTask(entity);
       if (task == null) {
-        Log.e(TAG, "队列中没有下载链接【" + entity.getDownloadUrl() + "】的任务");
+        //Log.e(TAG, "队列中没有下载链接【" + entity.getDownloadUrl() + "】的任务");
+        Log.e(TAG, "传递的下载任务");
         return;
       }
       switch (state) {
@@ -207,7 +209,7 @@ public class DownloadSchedulers implements IDownloadSchedulers {
   }
 
   @Override
-  public void addSchedulerListener(Context context, OnSchedulerListener schedulerListener) {
+  public void addSchedulerListener(OnSchedulerListener schedulerListener) {
     mSchedulerListeners.put(schedulerListener.hashCode(), schedulerListener);
   }
 
diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/core/scheduler/IDownloadSchedulers.java b/downloadutil/src/main/java/com/arialyy/downloadutil/core/scheduler/IDownloadSchedulers.java
index c9e72b08..f7df479c 100644
--- a/downloadutil/src/main/java/com/arialyy/downloadutil/core/scheduler/IDownloadSchedulers.java
+++ b/downloadutil/src/main/java/com/arialyy/downloadutil/core/scheduler/IDownloadSchedulers.java
@@ -31,7 +31,7 @@ public interface IDownloadSchedulers extends Handler.Callback {
    *
    * @param schedulerListener {@link OnSchedulerListener}
    */
-  public void addSchedulerListener(Context context, OnSchedulerListener schedulerListener);
+  public void addSchedulerListener(OnSchedulerListener schedulerListener);
 
   /**
    * 取消注册监听器
diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/core/task/Task.java b/downloadutil/src/main/java/com/arialyy/downloadutil/core/task/Task.java
index 434f6907..fe0ae0a5 100644
--- a/downloadutil/src/main/java/com/arialyy/downloadutil/core/task/Task.java
+++ b/downloadutil/src/main/java/com/arialyy/downloadutil/core/task/Task.java
@@ -141,7 +141,7 @@ public class Task {
    */
   private void sendInState2Target(int state) {
     if (mOutHandler != null) {
-      mOutHandler.obtainMessage(state, mEntity).sendToTarget();
+      mOutHandler.obtainMessage(state, this).sendToTarget();
     }
   }
 
@@ -218,7 +218,7 @@ public class Task {
     @Override public void onPre() {
       super.onPre();
       downloadEntity.setState(DownloadEntity.STATE_PRE);
-      sendIntent(DownloadManager.ACTION_PRE, -1);
+      //sendIntent(DownloadManager.ACTION_PRE, -1);
     }
 
     @Override public void onPostPre(long fileSize) {
@@ -226,21 +226,21 @@ public class Task {
       downloadEntity.setFileSize(fileSize);
       downloadEntity.setState(DownloadEntity.STATE_POST_PRE);
       sendInState2Target(DownloadSchedulers.PRE);
-      sendIntent(DownloadManager.ACTION_POST_PRE, -1);
+      //sendIntent(DownloadManager.ACTION_POST_PRE, -1);
     }
 
     @Override public void onResume(long resumeLocation) {
       super.onResume(resumeLocation);
       downloadEntity.setState(DownloadEntity.STATE_DOWNLOAD_ING);
       sendInState2Target(DownloadSchedulers.RESUME);
-      sendIntent(DownloadManager.ACTION_RESUME, resumeLocation);
+      //sendIntent(DownloadManager.ACTION_RESUME, resumeLocation);
     }
 
     @Override public void onStart(long startLocation) {
       super.onStart(startLocation);
       downloadEntity.setState(DownloadEntity.STATE_DOWNLOAD_ING);
       sendInState2Target(DownloadSchedulers.START);
-      sendIntent(DownloadManager.ACTION_START, startLocation);
+      //sendIntent(DownloadManager.ACTION_START, startLocation);
     }
 
     @Override public void onProgress(long currentLocation) {
@@ -259,7 +259,7 @@ public class Task {
         downloadEntity.setCurrentProgress(currentLocation);
         lastLen = currentLocation;
         sendInState2Target(DownloadSchedulers.RUNNING);
-        context.sendBroadcast(sendIntent);
+        //context.sendBroadcast(sendIntent);
       }
     }
 
@@ -268,14 +268,14 @@ public class Task {
       downloadEntity.setState(DownloadEntity.STATE_STOP);
       downloadEntity.setSpeed(0);
       sendInState2Target(DownloadSchedulers.STOP);
-      sendIntent(DownloadManager.ACTION_STOP, stopLocation);
+      //sendIntent(DownloadManager.ACTION_STOP, stopLocation);
     }
 
     @Override public void onCancel() {
       super.onCancel();
       downloadEntity.setState(DownloadEntity.STATE_CANCEL);
       sendInState2Target(DownloadSchedulers.CANCEL);
-      sendIntent(DownloadManager.ACTION_CANCEL, -1);
+      //sendIntent(DownloadManager.ACTION_CANCEL, -1);
       downloadEntity.deleteData();
     }
 
@@ -285,7 +285,7 @@ public class Task {
       downloadEntity.setDownloadComplete(true);
       downloadEntity.setSpeed(0);
       sendInState2Target(DownloadSchedulers.COMPLETE);
-      sendIntent(DownloadManager.ACTION_COMPLETE, downloadEntity.getFileSize());
+      //sendIntent(DownloadManager.ACTION_COMPLETE, downloadEntity.getFileSize());
     }
 
     @Override public void onFail() {
@@ -293,7 +293,7 @@ public class Task {
       downloadEntity.setState(DownloadEntity.STATE_FAIL);
       downloadEntity.setSpeed(0);
       sendInState2Target(DownloadSchedulers.FAIL);
-      sendIntent(DownloadManager.ACTION_FAIL, -1);
+      //sendIntent(DownloadManager.ACTION_FAIL, -1);
     }
 
     private void sendIntent(String action, long location) {
diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/orm/DbUtil.java b/downloadutil/src/main/java/com/arialyy/downloadutil/orm/DbUtil.java
index 7bb3b4a3..abf1ac7b 100644
--- a/downloadutil/src/main/java/com/arialyy/downloadutil/orm/DbUtil.java
+++ b/downloadutil/src/main/java/com/arialyy/downloadutil/orm/DbUtil.java
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 package com.arialyy.downloadutil.orm;
 
 import android.app.Application;
@@ -113,8 +112,7 @@ public class DbUtil {
       int i = 0;
       for (Field field : fields) {
         field.setAccessible(true);
-        Ignore ignore = field.getAnnotation(Ignore.class);
-        if (ignore != null && ignore.value()) {
+        if (ignoreField(field)) {
           continue;
         }
         sb.append(i > 0 ? ", " : "");
@@ -195,8 +193,7 @@ public class DbUtil {
       int i = 0;
       for (Field field : fields) {
         field.setAccessible(true);
-        Ignore ignore = field.getAnnotation(Ignore.class);
-        if (ignore != null && ignore.value()) {
+        if (ignoreField(field)) {
           continue;
         }
         sb.append(i > 0 ? ", " : "");
@@ -207,8 +204,7 @@ public class DbUtil {
       i = 0;
       for (Field field : fields) {
         field.setAccessible(true);
-        Ignore ignore = field.getAnnotation(Ignore.class);
-        if (ignore != null && ignore.value()) {
+        if (ignoreField(field)) {
           continue;
         }
         sb.append(i > 0 ? ", " : "");
@@ -270,8 +266,7 @@ public class DbUtil {
       sb.append("create table ").append(CommonUtil.getClassName(clazz)).append("(");
       for (Field field : fields) {
         field.setAccessible(true);
-        Ignore ignore = field.getAnnotation(Ignore.class);
-        if (ignore != null && ignore.value()) {
+        if (ignoreField(field)) {
           continue;
         }
         sb.append(field.getName());
@@ -290,8 +285,10 @@ public class DbUtil {
           sb.append(" boolean");
         } else if (type == java.util.Date.class || type == java.sql.Date.class) {
           sb.append(" data");
-        } else {
+        } else if (type == byte.class || type == Byte.class) {
           sb.append(" blob");
+        } else {
+          continue;
         }
         sb.append(",");
       }
@@ -303,6 +300,15 @@ public class DbUtil {
     close();
   }
 
+  /**
+   * @return true 忽略该字段
+   */
+  private boolean ignoreField(Field field) {
+    // field.isSynthetic(), 使用as热启动App时，AS会自动给你的clss添加change字段
+    Ignore ignore = field.getAnnotation(Ignore.class);
+    return (ignore != null && ignore.value()) || field.isSynthetic();
+  }
+
   /**
    * 打印数据库日志
    *
@@ -403,8 +409,7 @@ public class DbUtil {
           T entity = clazz.newInstance();
           for (Field field : fields) {
             field.setAccessible(true);
-            Ignore ignore = field.getAnnotation(Ignore.class);
-            if (ignore != null && ignore.value()) {
+            if (ignoreField(field)) {
               continue;
             }
             Class<?> type   = field.getType();
@@ -425,6 +430,8 @@ public class DbUtil {
               field.set(entity, new Date(cursor.getString(column)));
             } else if (type == byte[].class) {
               field.set(entity, cursor.getBlob(column));
+            } else {
+              continue;
             }
           }
           entity.rowID = cursor.getInt(cursor.getColumnIndex("rowid"));