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 2e8df2fa..d26a313a 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/AriaManager.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/AriaManager.java
@@ -27,7 +27,6 @@ import android.os.Bundle;
 import android.support.v4.app.DialogFragment;
 import android.support.v4.app.Fragment;
 import android.text.TextUtils;
-import android.util.Log;
 import android.widget.PopupWindow;
 import com.arialyy.aria.core.command.ICmd;
 import com.arialyy.aria.core.common.QueueMod;
@@ -42,6 +41,7 @@ import com.arialyy.aria.core.upload.UploadReceiver;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.orm.DbUtil;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import java.io.File;
 import java.io.IOException;
@@ -67,6 +67,16 @@ import org.xml.sax.SAXException;
   public static final Object LOCK = new Object();
   public static final String DOWNLOAD_TEMP_DIR = "/Aria/temp/download/";
   public static final String UPLOAD_TEMP_DIR = "/Aria/temp/upload/";
+
+  public static final int LOG_LEVEL_VERBOSE = 2;
+  public static final int LOG_LEVEL_DEBUG = 3;
+  public static final int LOG_LEVEL_INFO = 4;
+  public static final int LOG_LEVEL_WARN = 5;
+  public static final int LOG_LEVEL_ERROR = 6;
+  public static final int LOG_LEVEL_ASSERT = 7;
+  public static final int LOG_CLOSE = 8;
+  public static final int LOG_DEFAULT = LOG_LEVEL_DEBUG;
+
   @SuppressLint("StaticFieldLeak") private static volatile AriaManager INSTANCE = null;
   private Map<String, IReceiver> mReceivers = new ConcurrentHashMap<>();
   public static Context APP;
@@ -94,6 +104,15 @@ import org.xml.sax.SAXException;
     return mReceivers;
   }
 
+  /**
+   * 设置Aria 日志级别
+   *
+   * @param level {@link #LOG_LEVEL_VERBOSE}
+   */
+  public void setLogLevel(int level) {
+    ALog.LOG_LEVEL = level;
+  }
+
   /**
    * 设置上传任务的执行队列类型
    *
@@ -356,7 +375,7 @@ import org.xml.sax.SAXException;
       CommonUtil.createFileFormInputStream(APP.getAssets().open("aria_config.xml"),
           APP.getFilesDir().getPath() + Configuration.XML_FILE);
     } catch (ParserConfigurationException | IOException | SAXException e) {
-      Log.e(TAG, e.toString());
+      ALog.e(TAG, e.toString());
     }
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/ConfigHelper.java b/Aria/src/main/java/com/arialyy/aria/core/ConfigHelper.java
index 6243d5ca..586ceb4e 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/ConfigHelper.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/ConfigHelper.java
@@ -16,7 +16,7 @@
 package com.arialyy.aria.core;
 
 import android.text.TextUtils;
-import android.util.Log;
+import com.arialyy.aria.util.ALog;
 import org.xml.sax.Attributes;
 import org.xml.sax.SAXException;
 import org.xml.sax.helpers.DefaultHandler;
@@ -210,7 +210,7 @@ class ConfigHelper extends DefaultHandler {
       num = Integer.parseInt(value);
     }
     if (num < 1) {
-      Log.e(TAG, "任务队列数不能小于 1");
+      ALog.w(TAG, "任务队列数不能小于 1");
       num = 2;
     }
     if (isDownloadConfig) {
@@ -227,7 +227,7 @@ class ConfigHelper extends DefaultHandler {
       num = Integer.parseInt(value);
     }
     if (num < 1) {
-      Log.e(TAG, "下载线程数不能小于 1");
+      ALog.e(TAG, "下载线程数不能小于 1");
       num = 1;
     }
     if (isDownloadConfig) {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/FtpUrlEntity.java b/Aria/src/main/java/com/arialyy/aria/core/FtpUrlEntity.java
index 1d4efd45..15e05cd1 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/FtpUrlEntity.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/FtpUrlEntity.java
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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;
 
 import java.net.InetAddress;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/SubTaskManager.java b/Aria/src/main/java/com/arialyy/aria/core/SubTaskManager.java
index 803f9275..8169f10d 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/SubTaskManager.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/SubTaskManager.java
@@ -16,9 +16,9 @@
 package com.arialyy.aria.core;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.command.group.GroupCmdFactory;
 import com.arialyy.aria.core.inf.AbsGroupTaskEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.List;
 
@@ -86,16 +86,16 @@ public class SubTaskManager {
    */
   private boolean checkUrl(String url) {
     if (TextUtils.isEmpty(url)) {
-      Log.e(TAG, "子任务地址不能为null");
+      ALog.e(TAG, "子任务地址不能为null");
       return false;
     }
     List<String> urls = mEntity.getEntity().getUrls();
     if (urls == null || urls.isEmpty()) {
-      Log.e(TAG, "任务组任务链接为null");
+      ALog.e(TAG, "任务组任务链接为null");
       return false;
     }
     if (!urls.contains(url)) {
-      Log.e(TAG, "任务组中没有改Url【+ " + url + "】");
+      ALog.e(TAG, "任务组中没有改Url【+ " + url + "】");
       return false;
     }
     return true;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/TaskManager.java b/Aria/src/main/java/com/arialyy/aria/core/TaskManager.java
index ebdea6ae..2d8820e2 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/TaskManager.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/TaskManager.java
@@ -15,8 +15,8 @@
  */
 package com.arialyy.aria.core;
 
-import android.util.Log;
 import com.arialyy.aria.core.inf.AbsTask;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.Iterator;
 import java.util.Map;
@@ -54,7 +54,7 @@ public class TaskManager {
   public boolean addTask(String key, AbsTask task) {
     String hash = CommonUtil.keyToHashKey(key);
     if (map.keySet().contains(hash)) {
-      Log.e(TAG, "任务【" + key + "】已存在");
+      ALog.e(TAG, "任务【" + key + "】已存在");
       return false;
     }
     map.put(CommonUtil.keyToHashKey(key), task);
diff --git a/Aria/src/main/java/com/arialyy/aria/core/WidgetLiftManager.java b/Aria/src/main/java/com/arialyy/aria/core/WidgetLiftManager.java
index aeac3122..d2dacfd9 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/WidgetLiftManager.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/WidgetLiftManager.java
@@ -21,8 +21,8 @@ import android.content.DialogInterface;
 import android.os.Build;
 import android.os.Message;
 import android.support.v4.app.DialogFragment;
-import android.util.Log;
 import android.widget.PopupWindow;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import java.lang.reflect.Field;
 
@@ -62,7 +62,7 @@ final class WidgetLiftManager {
       PopupWindow.OnDismissListener listener =
           (PopupWindow.OnDismissListener) dismissField.get(popupWindow);
       if (listener != null) {
-        Log.e(TAG, "你已经对PopupWindow设置了Dismiss事件。为了防止内存泄露，"
+        ALog.e(TAG, "你已经对PopupWindow设置了Dismiss事件。为了防止内存泄露，"
             + "请在dismiss方法中调用Aria.download(this).unRegister();来注销事件");
         return true;
       } else {
@@ -97,7 +97,7 @@ final class WidgetLiftManager {
         Field cancelField = CommonUtil.getField(dialog.getClass(), "mCancelMessage");
         Message cancelMsg = (Message) cancelField.get(dialog);
         if (cancelMsg != null) {
-          Log.e(TAG, "你已经对Dialog设置了Dismiss和cancel事件。"
+          ALog.e(TAG, "你已经对Dialog设置了Dismiss和cancel事件。"
               + "为了防止内存泄露，请在dismiss方法中调用Aria.download(this).unRegister();来注销事件\n"
               + "如果你使用的是DialogFragment，那么你需要在onDestroy()中进行销毁Aria事件操作");
           return true;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/command/group/AbsGroupCmd.java b/Aria/src/main/java/com/arialyy/aria/core/command/group/AbsGroupCmd.java
index 95bb6c9d..0246b207 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/command/group/AbsGroupCmd.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/command/group/AbsGroupCmd.java
@@ -15,13 +15,13 @@
  */
 package com.arialyy.aria.core.command.group;
 
-import android.util.Log;
 import com.arialyy.aria.core.command.AbsCmd;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.inf.AbsGroupTask;
 import com.arialyy.aria.core.inf.AbsGroupTaskEntity;
 import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 
 /**
@@ -64,7 +64,7 @@ public abstract class AbsGroupCmd<T extends AbsGroupTaskEntity> extends AbsCmd<T
     if (tempTask == null) {
       createTask();
       if (tempTask.isComplete()) {
-        Log.w(TAG, "任务已完成");
+        ALog.i(TAG, "任务已完成");
         return false;
       }
     }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/command/normal/AbsNormalCmd.java b/Aria/src/main/java/com/arialyy/aria/core/command/normal/AbsNormalCmd.java
index f46fb19a..31264f7a 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/command/normal/AbsNormalCmd.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/command/normal/AbsNormalCmd.java
@@ -16,7 +16,6 @@
 
 package com.arialyy.aria.core.command.normal;
 
-import android.util.Log;
 import com.arialyy.aria.core.command.AbsCmd;
 import com.arialyy.aria.core.command.ICmd;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
@@ -28,6 +27,7 @@ import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
 import com.arialyy.aria.core.queue.DownloadTaskQueue;
 import com.arialyy.aria.core.queue.UploadTaskQueue;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 
 /**
@@ -55,30 +55,29 @@ public abstract class AbsNormalCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
     TAG = CommonUtil.getClassName(this);
     if (taskType == ICmd.TASK_TYPE_DOWNLOAD) {
       if (!(entity instanceof DownloadTaskEntity)) {
-        Log.w(TAG, "任务类型错误，任务类型应该为ICM.TASK_TYPE_DOWNLOAD");
+        ALog.e(TAG, "任务类型错误，任务类型应该为ICM.TASK_TYPE_DOWNLOAD");
         return;
       }
       mQueue = DownloadTaskQueue.getInstance();
     } else if (taskType == ICmd.TASK_TYPE_DOWNLOAD_GROUP) {
       if (!(entity instanceof DownloadGroupTaskEntity)) {
-        Log.w(TAG, "任务类型错误，任务类型应该为ICM.TASK_TYPE_DOWNLOAD_GROUP");
+        ALog.e(TAG, "任务类型错误，任务类型应该为ICM.TASK_TYPE_DOWNLOAD_GROUP");
         return;
       }
       mQueue = DownloadGroupTaskQueue.getInstance();
     } else if (taskType == ICmd.TASK_TYPE_UPLOAD) {
       if (!(entity instanceof UploadTaskEntity)) {
-        Log.w(TAG, "任务类型错误，任务类型应该为ICM.TASK_TYPE_UPLOAD");
+        ALog.e(TAG, "任务类型错误，任务类型应该为ICM.TASK_TYPE_UPLOAD");
         return;
       }
       mQueue = UploadTaskQueue.getInstance();
     } else {
-      Log.w(TAG, "任务类型错误，任务类型应该为ICM.TASK_TYPE_DOWNLOAD、TASK_TYPE_DOWNLOAD_GROUP、TASK_TYPE_UPLOAD");
+      ALog.e(TAG, "任务类型错误，任务类型应该为ICM.TASK_TYPE_DOWNLOAD、TASK_TYPE_DOWNLOAD_GROUP、TASK_TYPE_UPLOAD");
+      return;
     }
     isDownloadCmd = taskType < ICmd.TASK_TYPE_UPLOAD;
   }
 
-
-
   /**
    * 删除所有任务
    */
diff --git a/Aria/src/main/java/com/arialyy/aria/core/command/normal/AddCmd.java b/Aria/src/main/java/com/arialyy/aria/core/command/normal/AddCmd.java
index 079599d7..9c9c851e 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/command/normal/AddCmd.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/command/normal/AddCmd.java
@@ -16,10 +16,10 @@
 
 package com.arialyy.aria.core.command.normal;
 
-import android.util.Log;
 import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.util.ALog;
 
 /**
  * Created by lyy on 2016/8/22.
@@ -38,7 +38,7 @@ class AddCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
       mTaskEntity.getEntity().setState(IEntity.STATE_WAIT);
       createTask();
     } else {
-      Log.w(TAG, "添加命令执行失败，【该任务已经存在】");
+      ALog.w(TAG, "添加命令执行失败，【该任务已经存在】");
     }
   }
 }
\ No newline at end of file
diff --git a/Aria/src/main/java/com/arialyy/aria/core/command/normal/HighestPriorityCmd.java b/Aria/src/main/java/com/arialyy/aria/core/command/normal/HighestPriorityCmd.java
index 5ea17930..ac3570d1 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/command/normal/HighestPriorityCmd.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/command/normal/HighestPriorityCmd.java
@@ -16,12 +16,11 @@
 package com.arialyy.aria.core.command.normal;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.download.DownloadTask;
-import com.arialyy.aria.core.inf.AbsNormalTask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.queue.DownloadTaskQueue;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.NetUtils;
 
 /**
@@ -47,7 +46,7 @@ final class HighestPriorityCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T>
   @Override public void executeCmd() {
     if (!canExeCmd) return;
     if (!NetUtils.isConnected(AriaManager.APP)){
-      Log.w(TAG, "启动任务失败，网络未连接");
+      ALog.e(TAG, "启动任务失败，网络未连接");
       return;
     }
     DownloadTask task = (DownloadTask) getTask();
diff --git a/Aria/src/main/java/com/arialyy/aria/core/command/normal/ResumeAllCmd.java b/Aria/src/main/java/com/arialyy/aria/core/command/normal/ResumeAllCmd.java
index e6e0cd8c..ec3560c0 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/command/normal/ResumeAllCmd.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/command/normal/ResumeAllCmd.java
@@ -1,6 +1,5 @@
 package com.arialyy.aria.core.command.normal;
 
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
@@ -11,6 +10,7 @@ import com.arialyy.aria.core.queue.DownloadTaskQueue;
 import com.arialyy.aria.core.queue.UploadTaskQueue;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
 import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.NetUtils;
 import java.util.ArrayList;
 import java.util.List;
@@ -34,7 +34,7 @@ final class ResumeAllCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
 
   @Override public void executeCmd() {
     if (!NetUtils.isConnected(AriaManager.APP)) {
-      Log.w(TAG, "恢复任务失败，网络未连接");
+      ALog.w(TAG, "恢复任务失败，网络未连接");
       return;
     }
     if (isDownloadCmd) {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/command/normal/StartCmd.java b/Aria/src/main/java/com/arialyy/aria/core/command/normal/StartCmd.java
index d5650547..0a6eb7e7 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/command/normal/StartCmd.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/command/normal/StartCmd.java
@@ -17,7 +17,6 @@
 package com.arialyy.aria.core.command.normal;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.common.QueueMod;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
@@ -30,6 +29,7 @@ import com.arialyy.aria.core.queue.DownloadTaskQueue;
 import com.arialyy.aria.core.queue.UploadTaskQueue;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
 import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.NetUtils;
 import java.util.ArrayList;
 import java.util.List;
@@ -48,7 +48,7 @@ class StartCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
   @Override public void executeCmd() {
     if (!canExeCmd) return;
     if (!NetUtils.isConnected(AriaManager.APP)) {
-      Log.w(TAG, "启动任务失败，网络未连接");
+      ALog.e(TAG, "启动任务失败，网络未连接");
       return;
     }
     String mod;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/command/normal/StopCmd.java b/Aria/src/main/java/com/arialyy/aria/core/command/normal/StopCmd.java
index 6bd75bf5..15a9479b 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/command/normal/StopCmd.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/command/normal/StopCmd.java
@@ -17,10 +17,10 @@
 package com.arialyy.aria.core.command.normal;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.util.ALog;
 
 /**
  * Created by lyy on 2016/9/20.
@@ -39,7 +39,7 @@ class StopCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
       if (mTaskEntity.getEntity().getState() == IEntity.STATE_RUNNING) {
         stopTask();
       } else {
-        Log.w(TAG, "停止命令执行失败，【调度器中没有该任务】");
+        ALog.w(TAG, "停止命令执行失败，【调度器中没有该任务】");
       }
     } else {
       if (!TextUtils.isEmpty(mTargetName)) {
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 af0a580d..c0687c9a 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
@@ -16,7 +16,6 @@
 package com.arialyy.aria.core.common;
 
 import android.content.Context;
-import android.util.Log;
 import android.util.SparseArray;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
@@ -25,6 +24,7 @@ import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.IDownloadListener;
 import com.arialyy.aria.core.inf.IEventListener;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import java.io.File;
 import java.util.Properties;
@@ -264,7 +264,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
    */
   private boolean resumeRecordLocation(int i, long startL, long endL) {
     mConstance.CURRENT_LOCATION += endL - startL;
-    Log.d(TAG, "++++++++++ 线程_" + i + "_已经下载完成 ++++++++++");
+    ALog.d(TAG, "++++++++++ 线程_" + i + "_已经下载完成 ++++++++++");
     mConstance.COMPLETE_THREAD_NUM++;
     mConstance.STOP_NUM++;
     mConstance.CANCEL_NUM++;
@@ -332,7 +332,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
           mConstance.CURRENT_LOCATION += r - startL;
           startL = r;
         }
-        Log.d(TAG, "任务【" + mEntity.getFileName() + "】线程__" + i + "__恢复下载");
+        ALog.d(TAG, "任务【" + mEntity.getFileName() + "】线程__" + i + "__恢复下载");
         recordL[rl] = i;
         rl++;
       } else {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/AbsFtpInfoThread.java b/Aria/src/main/java/com/arialyy/aria/core/common/AbsFtpInfoThread.java
index 1604adf4..992b695c 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/AbsFtpInfoThread.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/AbsFtpInfoThread.java
@@ -16,12 +16,12 @@
 package com.arialyy.aria.core.common;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.FtpUrlEntity;
 import com.arialyy.aria.core.inf.AbsEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.upload.UploadEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.Regular;
 import java.io.IOException;
 import java.net.InetAddress;
@@ -73,11 +73,6 @@ public abstract class AbsFtpInfoThread<ENTITY extends AbsEntity, TASK_ENTITY ext
       if (client == null) return;
       String remotePath =
           new String(setRemotePath().getBytes(charSet), AbsFtpThreadTask.SERVER_CHARSET);
-      FTPFile[] files_1 = client.listFiles();
-      for (FTPFile tf : files_1) {
-
-        Log.d(TAG, tf.getName());
-      }
       FTPFile[] files = client.listFiles(remotePath);
       boolean isExist = files.length != 0;
       if (!isExist && !isUpload) {
@@ -122,8 +117,8 @@ public abstract class AbsFtpInfoThread<ENTITY extends AbsEntity, TASK_ENTITY ext
    * @return {@code true}存在
    */
   private boolean checkFileExist(FTPFile[] ftpFiles, String fileName) {
-    for (FTPFile ff : ftpFiles){
-      if (ff.getName().equals(fileName)){
+    for (FTPFile ff : ftpFiles) {
+      if (ff.getName().equals(fileName)) {
         return true;
       }
     }
@@ -186,7 +181,7 @@ public abstract class AbsFtpInfoThread<ENTITY extends AbsEntity, TASK_ENTITY ext
       charSet = "UTF-8";
       if (!TextUtils.isEmpty(mTaskEntity.charSet) || !FTPReply.isPositiveCompletion(
           client.sendCommand("OPTS UTF8", "ON"))) {
-        Log.d(TAG, "FTP 服务器不支持开启UTF8编码，尝试使用Aria手动设置的编码");
+        ALog.i(TAG, "FTP 服务器不支持开启UTF8编码，尝试使用Aria手动设置的编码");
         charSet = mTaskEntity.charSet;
       }
       client.setControlEncoding(charSet);
@@ -210,8 +205,15 @@ public abstract class AbsFtpInfoThread<ENTITY extends AbsEntity, TASK_ENTITY ext
       return client;
     } catch (IOException e) {
       //e.printStackTrace();
+      try {
+        if (client.isConnected()) {
+          client.disconnect();
+        }
+      } catch (IOException e1) {
+        e1.printStackTrace();
+      }
       if (index + 1 >= ips.length) {
-        Log.e(TAG, "遇到[ECONNREFUSED-连接被服务器拒绝]错误，已没有其他地址，链接失败");
+        ALog.w(TAG, "遇到[ECONNREFUSED-连接被服务器拒绝]错误，已没有其他地址，链接失败");
         return null;
       }
       try {
@@ -219,7 +221,7 @@ public abstract class AbsFtpInfoThread<ENTITY extends AbsEntity, TASK_ENTITY ext
       } catch (InterruptedException e1) {
         e1.printStackTrace();
       }
-      Log.e(TAG, "遇到[ECONNREFUSED-连接被服务器拒绝]错误，正在尝试下一个地址");
+      ALog.w(TAG, "遇到[ECONNREFUSED-连接被服务器拒绝]错误，正在尝试下一个地址");
       return connect(new FTPClient(), ips, index + 1, port);
     }
   }
@@ -255,7 +257,7 @@ public abstract class AbsFtpInfoThread<ENTITY extends AbsEntity, TASK_ENTITY ext
   }
 
   private void failDownload(String errorMsg, boolean needRetry) {
-    Log.e(TAG, errorMsg);
+    ALog.e(TAG, errorMsg);
     if (mCallback != null) {
       mCallback.onFail(mEntity.getKey(), errorMsg, needRetry);
     }
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 41a0f10a..0de58e6e 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
@@ -17,12 +17,12 @@ package com.arialyy.aria.core.common;
 
 import android.os.Build;
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.inf.AbsNormalEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.IEventListener;
 import com.arialyy.aria.core.upload.UploadEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.aria.util.ErrorHelp;
 import com.arialyy.aria.util.NetUtils;
@@ -103,7 +103,7 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
         if (mConfig.SUPPORT_BP) {
           final long currentTemp = mChildCurrentLocation;
           STATE.STOP_NUM++;
-          Log.d(TAG, "任务【"
+          ALog.d(TAG, "任务【"
               + mConfig.TEMP_FILE.getName()
               + "】thread__"
               + mConfig.THREAD_ID
@@ -111,12 +111,12 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
               + currentTemp);
           writeConfig(false, currentTemp);
           if (STATE.isStop()) {
-            Log.d(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】已停止");
+            ALog.i(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】已停止");
             STATE.isRunning = false;
             mListener.onStop(STATE.CURRENT_LOCATION);
           }
         } else {
-          Log.d(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】已停止");
+          ALog.i(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】已停止");
           STATE.isRunning = false;
           mListener.onStop(STATE.CURRENT_LOCATION);
         }
@@ -157,7 +157,7 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
     synchronized (AriaManager.LOCK) {
       if (mConfig.SUPPORT_BP) {
         STATE.CANCEL_NUM++;
-        Log.d(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】thread__" + mConfig.THREAD_ID + "__取消");
+        ALog.d(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】thread__" + mConfig.THREAD_ID + "__取消");
         if (STATE.isCancel()) {
           File configFile = new File(mConfigFPath);
           if (configFile.exists()) {
@@ -166,12 +166,12 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
           if (mConfig.TEMP_FILE.exists() && !(mEntity instanceof UploadEntity)) {
             mConfig.TEMP_FILE.delete();
           }
-          Log.d(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】已取消");
+          ALog.d(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】已取消");
           STATE.isRunning = false;
           mListener.onCancel();
         }
       } else {
-        Log.d(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】已取消");
+        ALog.d(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】已取消");
         STATE.isRunning = false;
         mListener.onCancel();
       }
@@ -185,15 +185,15 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
     synchronized (AriaManager.LOCK) {
       try {
         if (ex != null) {
-          Log.e(TAG, msg + "\n" + CommonUtil.getPrintException(ex));
+          ALog.e(TAG, msg + "\n" + CommonUtil.getPrintException(ex));
         } else {
-          Log.e(TAG, msg);
+          ALog.e(TAG, msg);
         }
         if (mConfig.SUPPORT_BP) {
           writeConfig(false, currentLocation);
           retryThis(STATE.THREAD_NUM != 1);
         } else {
-          Log.e(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】执行失败");
+          ALog.e(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】执行失败");
           mListener.onFail(true);
           ErrorHelp.saveError(mTaskType, mEntity, "", CommonUtil.getPrintException(ex));
         }
@@ -210,7 +210,7 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
    */
   private void retryThis(boolean needRetry) {
     if (!NetUtils.isConnected(AriaManager.APP)) {
-      Log.w(TAG,
+      ALog.w(TAG,
           "任务【" + mConfig.TEMP_FILE.getName() + "】thread__" + mConfig.THREAD_ID + "__重试失败，网络未连接");
     }
     if (mFailNum < RETRY_NUM && needRetry && NetUtils.isConnected(AriaManager.APP)) {
@@ -222,7 +222,7 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
       mFailTimer.schedule(new TimerTask() {
         @Override public void run() {
           mFailNum++;
-          Log.w(TAG,
+          ALog.w(TAG,
               "任务【" + mConfig.TEMP_FILE.getName() + "】thread__" + mConfig.THREAD_ID + "__正在重试");
           final long retryLocation =
               mChildCurrentLocation == 0 ? mConfig.START_LOCATION : mChildCurrentLocation;
@@ -235,7 +235,7 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
       if (STATE.isFail()) {
         STATE.isRunning = false;
         STATE.isStop = true;
-        Log.e(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】执行失败");
+        ALog.e(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】执行失败");
         mListener.onFail(true);
       }
     }
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 9d10770e..984fee3e 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
@@ -16,8 +16,8 @@
 package com.arialyy.aria.core.download;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.List;
@@ -67,7 +67,7 @@ public class DownloadGroupTarget
    */
   public DownloadGroupTarget setFileSize(long fileSize) {
     if (fileSize <= 0) {
-      Log.w(TAG, "文件大小不能小于 0");
+      ALog.e(TAG, "文件大小不能小于 0");
       return this;
     }
     if (mEntity.getFileSize() <= 1 || mEntity.getFileSize() != fileSize) {
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 3aba90b7..de4d0319 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
@@ -24,6 +24,7 @@ import com.arialyy.aria.core.download.downloader.FtpDirDownloadUtil;
 import com.arialyy.aria.core.inf.AbsGroupTask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.scheduler.ISchedulers;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CheckUtil;
 
 /**
@@ -47,6 +48,7 @@ public class DownloadGroupTask extends AbsGroupTask<DownloadGroupTaskEntity> {
         mUtil = new FtpDirDownloadUtil(mListener, mTaskEntity);
         break;
     }
+    Log.d(TAG, "FTP_TASK_MD5:" + mTaskEntity.hashCode());
   }
 
   @Override public boolean isRunning() {
@@ -59,7 +61,7 @@ public class DownloadGroupTask extends AbsGroupTask<DownloadGroupTaskEntity> {
 
   @Override public void start() {
     if (mUtil.isRunning()) {
-      Log.d(TAG, "任务正在下载");
+      ALog.d(TAG, "任务正在下载");
     } else {
       mUtil.start();
     }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTask.java b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTask.java
index 01effb8d..aa2b7394 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTask.java
@@ -18,12 +18,12 @@ package com.arialyy.aria.core.download;
 
 import android.os.Handler;
 import android.os.Looper;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.common.IUtil;
 import com.arialyy.aria.core.download.downloader.SimpleDownloadUtil;
 import com.arialyy.aria.core.inf.AbsNormalTask;
 import com.arialyy.aria.core.scheduler.ISchedulers;
+import com.arialyy.aria.util.ALog;
 import java.io.File;
 
 /**
@@ -115,7 +115,7 @@ public class DownloadTask extends AbsNormalTask<DownloadTaskEntity> {
   @Override public void start() {
     mListener.isWait = false;
     if (mUtil.isRunning()) {
-      Log.d(TAG, "任务正在下载");
+      ALog.d(TAG, "任务正在下载");
     } else {
       mUtil.start();
     }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/FtpDirDownloadTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/FtpDirDownloadTarget.java
index 3ab07527..bb8a1f13 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/FtpDirDownloadTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/FtpDirDownloadTarget.java
@@ -19,6 +19,7 @@ import android.text.TextUtils;
 import android.util.Log;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 
 /**
@@ -34,6 +35,7 @@ public class FtpDirDownloadTarget
     mTargetName = targetName;
     mTaskEntity.urlEntity = CommonUtil.getFtpUrlInfo(url);
     mTaskEntity.requestType = AbsTaskEntity.FTP_DIR;
+    Log.d(TAG, "FTP_TARGET_MD5:" + mTaskEntity.hashCode());
   }
 
   private void init(String key) {
@@ -77,10 +79,10 @@ public class FtpDirDownloadTarget
    */
   public FtpDirDownloadTarget login(String userName, String password, String account) {
     if (TextUtils.isEmpty(userName)) {
-      Log.e(TAG, "用户名不能为null");
+      ALog.e(TAG, "用户名不能为null");
       return this;
     } else if (TextUtils.isEmpty(password)) {
-      Log.e(TAG, "密码不能为null");
+      ALog.e(TAG, "密码不能为null");
       return this;
     }
     mTaskEntity.urlEntity.needLogin = true;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/FtpDownloadTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/FtpDownloadTarget.java
index d476f12c..e28769df 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/FtpDownloadTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/FtpDownloadTarget.java
@@ -19,6 +19,7 @@ import android.support.annotation.NonNull;
 import android.text.TextUtils;
 import android.util.Log;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import java.io.File;
 
@@ -100,10 +101,10 @@ public class FtpDownloadTarget extends DownloadTarget {
    */
   public FtpDownloadTarget login(String userName, String password, String account) {
     if (TextUtils.isEmpty(userName)) {
-      Log.e(TAG, "用户名不能为null");
+      ALog.e(TAG, "用户名不能为null");
       return this;
     } else if (TextUtils.isEmpty(password)) {
-      Log.e(TAG, "密码不能为null");
+      ALog.e(TAG, "密码不能为null");
       return this;
     }
     mTaskEntity.urlEntity.needLogin = true;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java
index 8324e09f..cc0ec1b6 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java
@@ -15,8 +15,8 @@
  */
 package com.arialyy.aria.core.download.downloader;
 
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.FtpUrlEntity;
 import com.arialyy.aria.core.common.IUtil;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
@@ -24,6 +24,7 @@ import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.IDownloadListener;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.aria.util.NetUtils;
 import java.io.File;
@@ -201,11 +202,11 @@ public abstract class AbsGroupUtil implements IUtil {
     DownloadTaskEntity entity = mTasksMap.get(url);
     if (entity != null) {
       if (entity.getState() == IEntity.STATE_COMPLETE) {
-        Log.w(TAG, "任务【" + url + "】已完成，" + type + "失败");
+        ALog.w(TAG, "任务【" + url + "】已完成，" + type + "失败");
         return false;
       }
     } else {
-      Log.w(TAG, "任务组中没有该任务【" + url + "】，" + type + "失败");
+      ALog.w(TAG, "任务组中没有该任务【" + url + "】，" + type + "失败");
       return false;
     }
     return true;
@@ -387,7 +388,7 @@ public abstract class AbsGroupUtil implements IUtil {
     if (taskEntity != null) {
       taskEntity.entity = entity;
       //ftp登录的
-      taskEntity.urlEntity = mTaskEntity.urlEntity;
+      taskEntity.urlEntity = createFtpUrlEntity(entity);
       mTasksMap.put(entity.getUrl(), taskEntity);
       return taskEntity;
     }
@@ -401,13 +402,18 @@ public abstract class AbsGroupUtil implements IUtil {
     taskEntity.isGroupTask = true;
     taskEntity.requestType = mTaskEntity.requestType;
     //ftp登录的
-    taskEntity.urlEntity = mTaskEntity.urlEntity;
-    taskEntity.key = entity.getDownloadPath();
+    taskEntity.urlEntity = createFtpUrlEntity(entity);
     taskEntity.save();
     mTasksMap.put(entity.getUrl(), taskEntity);
     return taskEntity;
   }
 
+  private FtpUrlEntity createFtpUrlEntity(DownloadEntity entity) {
+    FtpUrlEntity urlEntity = CommonUtil.getFtpUrlInfo(entity.getUrl());
+    urlEntity.validAddr = mTaskEntity.urlEntity.validAddr;
+    return urlEntity;
+  }
+
   /**
    * 子任务事件监听
    */
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/Downloader.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/Downloader.java
index f12b6ef4..9d0c966b 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/Downloader.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/Downloader.java
@@ -15,7 +15,6 @@
  */
 package com.arialyy.aria.core.download.downloader;
 
-import android.util.Log;
 import com.arialyy.aria.core.common.AbsFileer;
 import com.arialyy.aria.core.common.AbsThreadTask;
 import com.arialyy.aria.core.common.SubThreadConfig;
@@ -24,6 +23,7 @@ import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.IDownloadListener;
 import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.BufferedRandomAccessFile;
 import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.aria.util.ErrorHelp;
@@ -102,7 +102,7 @@ class Downloader extends AbsFileer<DownloadEntity, DownloadTaskEntity> {
 
   private void failDownload(String errorMsg) {
     closeTimer();
-    Log.e(TAG, errorMsg);
+    ALog.e(TAG, errorMsg);
     mConstance.isRunning = false;
     mListener.onFail(false);
     ErrorHelp.saveError("", mEntity, "", errorMsg);
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpDirInfoThread.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpDirInfoThread.java
index e3edec7c..a7ba36d8 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpDirInfoThread.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpDirInfoThread.java
@@ -15,6 +15,7 @@
  */
 package com.arialyy.aria.core.download.downloader;
 
+import com.arialyy.aria.core.FtpUrlEntity;
 import com.arialyy.aria.core.common.AbsFtpInfoThread;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
 import com.arialyy.aria.core.download.DownloadEntity;
@@ -52,8 +53,10 @@ class FtpDirInfoThread extends AbsFtpInfoThread<DownloadGroupEntity, DownloadGro
   }
 
   private void addEntity(String remotePath, FTPFile ftpFile) {
+    final FtpUrlEntity urlEntity = mTaskEntity.urlEntity;
     DownloadEntity entity = new DownloadEntity();
-    entity.setUrl(mTaskEntity.urlEntity.url);
+    entity.setUrl(
+        urlEntity.protocol + "://" + urlEntity.hostName + ":" + urlEntity.port + remotePath);
     entity.setDownloadPath(mEntity.getDirPath() + "/" + remotePath);
     int lastIndex = remotePath.lastIndexOf("/");
     String fileName = lastIndex < 0 ? CommonUtil.keyToHashKey(remotePath)
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpThreadTask.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpThreadTask.java
index 5a666512..b6de6697 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpThreadTask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpThreadTask.java
@@ -15,13 +15,13 @@
  */
 package com.arialyy.aria.core.download.downloader;
 
-import android.util.Log;
 import com.arialyy.aria.core.common.AbsFtpThreadTask;
 import com.arialyy.aria.core.common.StateConstance;
 import com.arialyy.aria.core.common.SubThreadConfig;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.IDownloadListener;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.BufferedRandomAccessFile;
 import java.io.File;
 import java.io.IOException;
@@ -48,7 +48,7 @@ class FtpThreadTask extends AbsFtpThreadTask<DownloadEntity, DownloadTaskEntity>
     InputStream is = null;
     BufferedRandomAccessFile file = null;
     try {
-      Log.d(TAG, "任务【"
+      ALog.d(TAG, "任务【"
           + mConfig.TEMP_FILE.getName()
           + "】线程__"
           + mConfig.THREAD_ID
@@ -90,7 +90,7 @@ class FtpThreadTask extends AbsFtpThreadTask<DownloadEntity, DownloadTaskEntity>
         }
       }
       if (STATE.isCancel || STATE.isStop) return;
-      Log.i(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】线程__" + mConfig.THREAD_ID + "__下载完毕");
+      ALog.i(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】线程__" + mConfig.THREAD_ID + "__下载完毕");
       writeConfig(true, 1);
       STATE.COMPLETE_THREAD_NUM++;
       if (STATE.isComplete()) {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpFileInfoThread.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpFileInfoThread.java
index 55cd8f4f..105b0ebf 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpFileInfoThread.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpFileInfoThread.java
@@ -16,11 +16,11 @@
 package com.arialyy.aria.core.download.downloader;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import java.io.IOException;
 import java.net.HttpURLConnection;
@@ -127,7 +127,7 @@ class HttpFileInfoThread implements Runnable {
    */
   private void handle302Turn(HttpURLConnection conn) throws IOException {
     String newUrl = conn.getHeaderField(mTaskEntity.redirectUrlKey);
-    Log.d(TAG, "30x跳转，location【 " + mTaskEntity.redirectUrlKey + "】" + "新url为【" + newUrl + "】");
+    ALog.d(TAG, "30x跳转，location【 " + mTaskEntity.redirectUrlKey + "】" + "新url为【" + newUrl + "】");
     if (TextUtils.isEmpty(newUrl) || newUrl.equalsIgnoreCase("null")) {
       if (onFileInfoListener != null) {
         onFileInfoListener.onFail(mEntity.getUrl(), "获取重定向链接失败", false);
@@ -163,7 +163,7 @@ class HttpFileInfoThread implements Runnable {
   }
 
   private void failDownload(String errorMsg, boolean needRetry) {
-    Log.e(TAG, errorMsg);
+    ALog.e(TAG, errorMsg);
     if (onFileInfoListener != null) {
       onFileInfoListener.onFail(mEntity.getUrl(), errorMsg, needRetry);
     }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java
index dd85cb83..a05c1cdd 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java
@@ -15,19 +15,18 @@
  */
 package com.arialyy.aria.core.download.downloader;
 
-import android.util.Log;
 import com.arialyy.aria.core.common.AbsThreadTask;
 import com.arialyy.aria.core.common.StateConstance;
 import com.arialyy.aria.core.common.SubThreadConfig;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.IDownloadListener;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.BufferedRandomAccessFile;
 import com.arialyy.aria.util.CommonUtil;
 import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.IOException;
-import java.io.InputStream;
 import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
 import java.net.URL;
@@ -54,7 +53,7 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
       URL url = new URL(CommonUtil.convertUrl(mConfig.URL));
       conn = ConnectionHelp.handleConnection(url);
       if (mConfig.SUPPORT_BP) {
-        Log.d(TAG, "任务【"
+        ALog.d(TAG, "任务【"
             + mConfig.TEMP_FILE.getName()
             + "】线程__"
             + mConfig.THREAD_ID
@@ -67,7 +66,7 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
         conn.setRequestProperty("Range",
             "bytes=" + mConfig.START_LOCATION + "-" + (mConfig.END_LOCATION - 1));
       } else {
-        Log.w(TAG, "该下载不支持断点");
+        ALog.w(TAG, "该下载不支持断点");
       }
       conn = ConnectionHelp.setConnectParam(mConfig.TASK_ENTITY, conn);
       conn.setConnectTimeout(STATE.CONNECT_TIME_OUT);
@@ -90,7 +89,7 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
       if (STATE.isCancel || STATE.isStop) return;
       //支持断点的处理
       if (mConfig.SUPPORT_BP) {
-        Log.i(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】线程__" + mConfig.THREAD_ID + "__下载完毕");
+        ALog.i(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】线程__" + mConfig.THREAD_ID + "__下载完毕");
         writeConfig(true, 1);
         STATE.COMPLETE_THREAD_NUM++;
         if (STATE.isComplete()) {
@@ -102,7 +101,7 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
           mListener.onComplete();
         }
       } else {
-        Log.i(TAG, "下载任务完成");
+        ALog.i(TAG, "下载任务完成");
         STATE.isRunning = false;
         mListener.onComplete();
       }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsDownloadTarget.java b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsDownloadTarget.java
index d223b2c9..f5909a1f 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsDownloadTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsDownloadTarget.java
@@ -16,10 +16,10 @@
 package com.arialyy.aria.core.inf;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.command.normal.NormalCmdFactory;
 import com.arialyy.aria.core.download.DownloadEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 
 /**
@@ -107,7 +107,7 @@ public abstract class AbsDownloadTarget<TARGET extends AbsTarget, ENTITY extends
    */
   public void setRedirectUrlKey(String redirectUrlKey) {
     if (TextUtils.isEmpty(redirectUrlKey)) {
-      Log.w("AbsDownloadTarget", "重定向后，新url的key不能为null");
+      ALog.e("AbsDownloadTarget", "重定向后，新url的key不能为null");
       return;
     }
     mTaskEntity.redirectUrlKey = redirectUrlKey;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTarget.java b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTarget.java
index 317bb95f..aea773c3 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTarget.java
@@ -17,7 +17,6 @@ package com.arialyy.aria.core.inf;
 
 import android.support.annotation.NonNull;
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.command.ICmd;
 import com.arialyy.aria.core.command.normal.CancelCmd;
@@ -26,6 +25,7 @@ import com.arialyy.aria.core.common.RequestEnum;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.ArrayList;
 import java.util.List;
@@ -120,7 +120,7 @@ public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEnti
    */
   @Override public int getPercent() {
     if (mEntity == null) {
-      Log.e("AbsTarget", "下载管理器中没有该任务");
+      ALog.e("AbsTarget", "下载管理器中没有该任务");
       return 0;
     }
     if (mEntity.getFileSize() != 0) {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskEntity.java b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskEntity.java
index c8ef20fc..382b5151 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskEntity.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskEntity.java
@@ -50,8 +50,6 @@ public abstract class AbsTaskEntity<ENTITY extends AbsEntity> extends DbEntity {
    * 账号和密码
    */
   @Ignore public FtpUrlEntity urlEntity;
-  //@Ignore public String userName, userPw, account, serverIp;
-  //@Ignore public int port;
 
   /**
    * 刷新信息 {@code true} 重新刷新下载信息
diff --git a/Aria/src/main/java/com/arialyy/aria/core/queue/AbsTaskQueue.java b/Aria/src/main/java/com/arialyy/aria/core/queue/AbsTaskQueue.java
index a08aff6e..c76e983d 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/queue/AbsTaskQueue.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/queue/AbsTaskQueue.java
@@ -16,13 +16,13 @@
 
 package com.arialyy.aria.core.queue;
 
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.queue.pool.BaseCachePool;
 import com.arialyy.aria.core.queue.pool.BaseExecutePool;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.NetUtils;
 
 /**
@@ -114,7 +114,7 @@ abstract class AbsTaskQueue<TASK extends AbsTask, TASK_ENTITY extends AbsTaskEnt
     int oldMaxSize = getConfigMaxNum();
     int diff = downloadNum - oldMaxSize;
     if (oldMaxSize == downloadNum) {
-      Log.d(TAG, "设置的下载任务数和配置文件的下载任务数一直，跳过");
+      ALog.e(TAG, "设置的下载任务数和配置文件的下载任务数一直，跳过");
       return;
     }
     //设置的任务数小于配置任务数
@@ -154,39 +154,39 @@ abstract class AbsTaskQueue<TASK extends AbsTask, TASK_ENTITY extends AbsTaskEnt
   }
 
   @Override public void stopTask(TASK task) {
-    if (!task.isRunning()) Log.w(TAG, "停止任务失败，【任务已经停止】");
+    if (!task.isRunning()) ALog.w(TAG, "停止任务失败，【任务已经停止】");
     if (mExecutePool.removeTask(task)) {
       task.stop();
     } else {
       task.stop();
-      Log.w(TAG, "删除任务失败，【执行队列中没有该任务】");
+      ALog.w(TAG, "删除任务失败，【执行队列中没有该任务】");
     }
   }
 
   @Override public void removeTaskFormQueue(String key) {
     TASK task = mExecutePool.getTask(key);
     if (task != null) {
-      Log.d(TAG, "从执行池删除任务，删除" + (mExecutePool.removeTask(task) ? "成功" : "失败"));
+      ALog.d(TAG, "从执行池删除任务，删除" + (mExecutePool.removeTask(task) ? "成功" : "失败"));
     }
     task = mCachePool.getTask(key);
     if (task != null) {
-      Log.d(TAG, "从缓存池删除任务，删除" + (mCachePool.removeTask(task) ? "成功" : "失败"));
+      ALog.d(TAG, "从缓存池删除任务，删除" + (mCachePool.removeTask(task) ? "成功" : "失败"));
     }
   }
 
   @Override public void reTryStart(TASK task) {
     if (task == null) {
-      Log.w(TAG, "重试失败，task 为null");
+      ALog.e(TAG, "重试失败，task 为null");
       return;
     }
     if (!NetUtils.isConnected(AriaManager.APP)) {
-      Log.w(TAG, "重试失败，网络未连接");
+      ALog.e(TAG, "重试失败，网络未连接");
       return;
     }
     if (!task.isRunning()) {
       task.start();
     } else {
-      Log.w(TAG, "任务没有完全停止，重试下载失败");
+      ALog.e(TAG, "任务没有完全停止，重试下载失败");
     }
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/queue/DownloadGroupTaskQueue.java b/Aria/src/main/java/com/arialyy/aria/core/queue/DownloadGroupTaskQueue.java
index b8eef9f1..73d054ed 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/queue/DownloadGroupTaskQueue.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/queue/DownloadGroupTaskQueue.java
@@ -17,15 +17,14 @@
 package com.arialyy.aria.core.queue;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.download.DownloadGroupTask;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.queue.pool.BaseCachePool;
 import com.arialyy.aria.core.queue.pool.BaseExecutePool;
 import com.arialyy.aria.core.queue.pool.DownloadSharePool;
 import com.arialyy.aria.core.scheduler.DownloadGroupSchedulers;
+import com.arialyy.aria.util.ALog;
 
 /**
  * Created by AriaL on 2017/6/29.
@@ -65,7 +64,7 @@ public class DownloadGroupTaskQueue
       entity.key = entity.getEntity().getGroupName();
       mCachePool.putTask(task);
     } else {
-      Log.e(TAG, "target name 为 null！！");
+      ALog.e(TAG, "target name 为 null！！");
     }
     return task;
   }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/queue/DownloadTaskQueue.java b/Aria/src/main/java/com/arialyy/aria/core/queue/DownloadTaskQueue.java
index 735ff34f..35598431 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/queue/DownloadTaskQueue.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/queue/DownloadTaskQueue.java
@@ -17,15 +17,14 @@
 package com.arialyy.aria.core.queue;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTask;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.queue.pool.BaseCachePool;
 import com.arialyy.aria.core.queue.pool.BaseExecutePool;
 import com.arialyy.aria.core.queue.pool.DownloadSharePool;
 import com.arialyy.aria.core.scheduler.DownloadSchedulers;
+import com.arialyy.aria.util.ALog;
 import java.util.LinkedHashSet;
 import java.util.Map;
 import java.util.Set;
@@ -75,7 +74,7 @@ public class DownloadTaskQueue
         DownloadTask temp = exeTasks.get(key);
         if (temp != null && temp.isRunning() && temp.isHighestPriorityTask() && !temp.getKey()
             .equals(task.getKey())) {
-          Log.e(TAG, "设置最高优先级任务失败，失败原因【任务中已经有最高优先级任务，请等待上一个最高优先级任务完成，或手动暂停该任务】");
+          ALog.e(TAG, "设置最高优先级任务失败，失败原因【任务中已经有最高优先级任务，请等待上一个最高优先级任务完成，或手动暂停该任务】");
           task.setHighestPriority(false);
           return;
         }
@@ -126,7 +125,7 @@ public class DownloadTaskQueue
       entity.key = entity.getEntity().getDownloadPath();
       mCachePool.putTask(task);
     } else {
-      Log.e(TAG, "target name 为 null！！");
+      ALog.e(TAG, "target name 为 null！！");
     }
 
     return task;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/queue/UploadTaskQueue.java b/Aria/src/main/java/com/arialyy/aria/core/queue/UploadTaskQueue.java
index c9d1f8d6..c58f8bd3 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/queue/UploadTaskQueue.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/queue/UploadTaskQueue.java
@@ -17,15 +17,14 @@
 package com.arialyy.aria.core.queue;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.queue.pool.BaseCachePool;
 import com.arialyy.aria.core.queue.pool.BaseExecutePool;
 import com.arialyy.aria.core.queue.pool.UploadSharePool;
 import com.arialyy.aria.core.scheduler.UploadSchedulers;
-import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadTask;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.util.ALog;
 
 /**
  * Created by lyy on 2017/2/27.
@@ -67,7 +66,7 @@ public class UploadTaskQueue extends AbsTaskQueue<UploadTask, UploadTaskEntity>
       entity.key = entity.getEntity().getFilePath();
       mCachePool.putTask(task);
     } else {
-      Log.e(TAG, "target name 为 null是！！");
+      ALog.e(TAG, "target name 为 null是！！");
     }
     return task;
   }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseCachePool.java b/Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseCachePool.java
index d0c4545f..fb8d0f59 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseCachePool.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseCachePool.java
@@ -17,12 +17,10 @@
 package com.arialyy.aria.core.queue.pool;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.inf.AbsTask;
-import com.arialyy.aria.core.inf.ITask;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
-import java.util.HashMap;
 import java.util.LinkedHashSet;
 import java.util.Map;
 import java.util.Set;
@@ -87,16 +85,16 @@ public class BaseCachePool<TASK extends AbsTask> implements IPool<TASK> {
   @Override public boolean putTask(TASK task) {
     synchronized (AriaManager.LOCK) {
       if (task == null) {
-        Log.e(TAG, "下载任务不能为空！！");
+        ALog.e(TAG, "下载任务不能为空！！");
         return false;
       }
       String url = task.getKey();
       if (mCacheQueue.contains(task)) {
-        Log.w(TAG, "队列中已经包含了该任务，任务下载链接【" + url + "】");
+        ALog.w(TAG, "队列中已经包含了该任务，任务下载链接【" + url + "】");
         return false;
       } else {
         boolean s = mCacheQueue.offer(task);
-        Log.d(TAG, "任务添加" + (s ? "成功" : "失败，【" + url + "】"));
+        ALog.d(TAG, "任务添加" + (s ? "成功" : "失败，【" + url + "】"));
         if (s) {
           mCacheMap.put(CommonUtil.keyToHashKey(url), task);
         }
@@ -125,7 +123,7 @@ public class BaseCachePool<TASK extends AbsTask> implements IPool<TASK> {
   @Override public TASK getTask(String downloadUrl) {
     synchronized (AriaManager.LOCK) {
       if (TextUtils.isEmpty(downloadUrl)) {
-        Log.e(TAG, "请传入有效的下载链接");
+        ALog.e(TAG, "请传入有效的下载链接");
         return null;
       }
       String key = CommonUtil.keyToHashKey(downloadUrl);
@@ -136,7 +134,7 @@ public class BaseCachePool<TASK extends AbsTask> implements IPool<TASK> {
   @Override public boolean removeTask(TASK task) {
     synchronized (AriaManager.LOCK) {
       if (task == null) {
-        Log.e(TAG, "任务不能为空");
+        ALog.e(TAG, "任务不能为空");
         return false;
       } else {
         String key = CommonUtil.keyToHashKey(task.getKey());
@@ -149,7 +147,7 @@ public class BaseCachePool<TASK extends AbsTask> implements IPool<TASK> {
   @Override public boolean removeTask(String downloadUrl) {
     synchronized (AriaManager.LOCK) {
       if (TextUtils.isEmpty(downloadUrl)) {
-        Log.e(TAG, "请传入有效的下载链接");
+        ALog.e(TAG, "请传入有效的下载链接");
         return false;
       }
       String key = CommonUtil.keyToHashKey(downloadUrl);
diff --git a/Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseExecutePool.java b/Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseExecutePool.java
index 02d18d36..58e69bc2 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseExecutePool.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseExecutePool.java
@@ -17,9 +17,9 @@
 package com.arialyy.aria.core.queue.pool;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.inf.AbsTask;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.Map;
 import java.util.concurrent.ArrayBlockingQueue;
@@ -62,12 +62,12 @@ public class BaseExecutePool<TASK extends AbsTask> implements IPool<TASK> {
   @Override public boolean putTask(TASK task) {
     synchronized (AriaManager.LOCK) {
       if (task == null) {
-        Log.e(TAG, "任务不能为空！！");
+        ALog.e(TAG, "任务不能为空！！");
         return false;
       }
       String url = task.getKey();
       if (mExecuteQueue.contains(task)) {
-        Log.e(TAG, "队列中已经包含了该任务，任务key【" + url + "】");
+        ALog.e(TAG, "队列中已经包含了该任务，任务key【" + url + "】");
         return false;
       } else {
         if (mExecuteQueue.size() >= mSize) {
@@ -112,7 +112,7 @@ public class BaseExecutePool<TASK extends AbsTask> implements IPool<TASK> {
     synchronized (AriaManager.LOCK) {
       String url = newTask.getKey();
       boolean s = mExecuteQueue.offer(newTask);
-      Log.w(TAG, "任务添加" + (s ? "成功" : "失败，【" + url + "】"));
+      ALog.d(TAG, "任务添加" + (s ? "成功" : "失败，【" + url + "】"));
       if (s) {
         mExecuteMap.put(CommonUtil.keyToHashKey(url), newTask);
       }
@@ -128,7 +128,7 @@ public class BaseExecutePool<TASK extends AbsTask> implements IPool<TASK> {
       try {
         TASK oldTask = mExecuteQueue.poll(TIME_OUT, TimeUnit.MICROSECONDS);
         if (oldTask == null) {
-          Log.e(TAG, "移除任务失败");
+          ALog.w(TAG, "移除任务失败");
           return false;
         }
         oldTask.stop();
@@ -162,7 +162,7 @@ public class BaseExecutePool<TASK extends AbsTask> implements IPool<TASK> {
   @Override public TASK getTask(String key) {
     synchronized (AriaManager.LOCK) {
       if (TextUtils.isEmpty(key)) {
-        Log.e(TAG, "请传入有效的任务key");
+        ALog.e(TAG, "请传入有效的任务key");
         return null;
       }
       return mExecuteMap.get(CommonUtil.keyToHashKey(key));
@@ -172,7 +172,7 @@ public class BaseExecutePool<TASK extends AbsTask> implements IPool<TASK> {
   @Override public boolean removeTask(TASK task) {
     synchronized (AriaManager.LOCK) {
       if (task == null) {
-        Log.e(TAG, "任务不能为空");
+        ALog.e(TAG, "任务不能为空");
         return false;
       } else {
         return removeTask(task.getKey());
@@ -183,7 +183,7 @@ public class BaseExecutePool<TASK extends AbsTask> implements IPool<TASK> {
   @Override public boolean removeTask(String key) {
     synchronized (AriaManager.LOCK) {
       if (TextUtils.isEmpty(key)) {
-        Log.e(TAG, "请传入有效的任务key");
+        ALog.e(TAG, "请传入有效的任务key");
         return false;
       }
       String convertKey = CommonUtil.keyToHashKey(key);
diff --git a/Aria/src/main/java/com/arialyy/aria/core/queue/pool/DownloadExecutePool.java b/Aria/src/main/java/com/arialyy/aria/core/queue/pool/DownloadExecutePool.java
index 5c4d03e8..4fde7329 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/queue/pool/DownloadExecutePool.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/queue/pool/DownloadExecutePool.java
@@ -15,9 +15,9 @@
  */
 package com.arialyy.aria.core.queue.pool;
 
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.inf.AbsTask;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
@@ -36,13 +36,13 @@ class DownloadExecutePool<TASK extends AbsTask> extends BaseExecutePool<TASK> {
   @Override public boolean putTask(TASK task) {
     synchronized (AriaManager.LOCK) {
       if (task == null) {
-        Log.e(TAG, "任务不能为空！！");
+        ALog.e(TAG, "任务不能为空！！");
         return false;
       }
       String url = task.getKey();
       if (mExecuteQueue.contains(task)) {
         if (!task.isRunning()) return true;
-        Log.e(TAG, "队列中已经包含了该任务，任务key【" + url + "】");
+        ALog.e(TAG, "队列中已经包含了该任务，任务key【" + url + "】");
         return false;
       } else {
         if (mExecuteQueue.size() >= mSize) {
@@ -65,7 +65,7 @@ class DownloadExecutePool<TASK extends AbsTask> extends BaseExecutePool<TASK> {
     try {
       TASK oldTask = mExecuteQueue.poll(TIME_OUT, TimeUnit.MICROSECONDS);
       if (oldTask == null) {
-        Log.e(TAG, "移除任务失败");
+        ALog.e(TAG, "移除任务失败");
         return false;
       }
       if (oldTask.isHighestPriorityTask()) {
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 94c6ce9e..1c6a47bd 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
@@ -17,7 +17,6 @@ package com.arialyy.aria.core.scheduler;
 
 import android.os.CountDownTimer;
 import android.os.Message;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.download.DownloadTask;
 import com.arialyy.aria.core.inf.AbsEntity;
@@ -28,6 +27,7 @@ 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;
+import com.arialyy.aria.util.ALog;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.Set;
@@ -60,7 +60,7 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, TASK extends Abs
         listener.setListener(obj);
         mObservers.put(targetName, listener);
       } else {
-        Log.e(TAG, "注册错误，没有【" + targetName + "】观察者");
+        ALog.e(TAG, "注册错误，没有【" + targetName + "】观察者");
       }
     }
   }
@@ -84,11 +84,11 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, TASK extends Abs
       Class clazz = Class.forName(targetName + getProxySuffix());
       listener = (AbsSchedulerListener<TASK, AbsNormalEntity>) clazz.newInstance();
     } catch (ClassNotFoundException e) {
-      Log.e(TAG, targetName + "，没有Aria的Download或Upload注解方法");
+      ALog.e(TAG, targetName + "，没有Aria的Download或Upload注解方法");
     } catch (InstantiationException e) {
-      Log.e(TAG, e.getMessage());
+      ALog.e(TAG, e.getMessage());
     } catch (IllegalAccessException e) {
-      Log.e(TAG, e.getMessage());
+      ALog.e(TAG, e.getMessage());
     }
     return listener;
   }
@@ -100,7 +100,7 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, TASK extends Abs
 
     TASK task = (TASK) msg.obj;
     if (task == null) {
-      Log.e(TAG, "请传入下载任务");
+      ALog.e(TAG, "请传入下载任务");
       return true;
     }
     handleNormalEvent(task, msg.what);
@@ -190,7 +190,7 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, TASK extends Abs
       AbsSchedulerListener<TASK, AbsNormalEntity> listener) {
     if (listener != null) {
       if (task == null) {
-        Log.e(TAG, "TASK 为null，回调失败");
+        ALog.e(TAG, "TASK 为null，回调失败");
         return;
       }
       switch (state) {
@@ -275,7 +275,7 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, TASK extends Abs
   private void startNextTask() {
     TASK newTask = mQueue.getNextTask();
     if (newTask == null) {
-      Log.w(TAG, "没有下一任务");
+      ALog.d(TAG, "没有下一任务");
       return;
     }
     if (newTask.getState() == IEntity.STATE_WAIT) {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/FtpUploadTarget.java b/Aria/src/main/java/com/arialyy/aria/core/upload/FtpUploadTarget.java
index b97fb825..24628c99 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/FtpUploadTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/FtpUploadTarget.java
@@ -17,11 +17,11 @@ package com.arialyy.aria.core.upload;
 
 import android.support.annotation.NonNull;
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.FtpUrlEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.AbsUploadTarget;
 import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
 import java.io.File;
@@ -87,10 +87,10 @@ public class FtpUploadTarget
    */
   public FtpUploadTarget login(String userName, String password, String account) {
     if (TextUtils.isEmpty(userName)) {
-      Log.e(TAG, "用户名不能为null");
+      ALog.e(TAG, "用户名不能为null");
       return this;
     } else if (TextUtils.isEmpty(password)) {
-      Log.e(TAG, "密码不能为null");
+      ALog.e(TAG, "密码不能为null");
       return this;
     }
     mTaskEntity.urlEntity.needLogin = true;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpThreadTask.java b/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpThreadTask.java
index 5aea9c18..d7003f9d 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpThreadTask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpThreadTask.java
@@ -15,13 +15,13 @@
  */
 package com.arialyy.aria.core.upload.uploader;
 
-import android.util.Log;
 import com.arialyy.aria.core.common.AbsFtpThreadTask;
 import com.arialyy.aria.core.common.StateConstance;
 import com.arialyy.aria.core.common.SubThreadConfig;
 import com.arialyy.aria.core.inf.IEventListener;
 import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.BufferedRandomAccessFile;
 import java.io.File;
 import java.io.IOException;
@@ -49,7 +49,7 @@ class FtpThreadTask extends AbsFtpThreadTask<UploadEntity, UploadTaskEntity> {
     FTPClient client = null;
     BufferedRandomAccessFile file = null;
     try {
-      Log.d(TAG, "任务【"
+      ALog.d(TAG, "任务【"
           + mConfig.TEMP_FILE.getName()
           + "】线程__"
           + mConfig.THREAD_ID
@@ -71,7 +71,7 @@ class FtpThreadTask extends AbsFtpThreadTask<UploadEntity, UploadTaskEntity> {
       }
       upload(client, file);
       if (STATE.isCancel || STATE.isStop) return;
-      Log.i(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】线程__" + mConfig.THREAD_ID + "__上传完毕");
+      ALog.i(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】线程__" + mConfig.THREAD_ID + "__上传完毕");
       writeConfig(true, 1);
       STATE.COMPLETE_THREAD_NUM++;
       if (STATE.isComplete()) {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/HttpThreadTask.java b/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/HttpThreadTask.java
index 58a91259..2ac37421 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/HttpThreadTask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/uploader/HttpThreadTask.java
@@ -15,13 +15,13 @@
  */
 package com.arialyy.aria.core.upload.uploader;
 
-import android.util.Log;
 import com.arialyy.aria.core.common.AbsThreadTask;
 import com.arialyy.aria.core.common.StateConstance;
 import com.arialyy.aria.core.common.SubThreadConfig;
 import com.arialyy.aria.core.inf.IUploadListener;
 import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.util.ALog;
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileInputStream;
@@ -56,7 +56,7 @@ class HttpThreadTask extends AbsThreadTask<UploadEntity, UploadTaskEntity> {
   @Override public void run() {
     File uploadFile = new File(mEntity.getFilePath());
     if (!uploadFile.exists()) {
-      Log.e(TAG, "【" + mEntity.getFilePath() + "】，文件不存在。");
+      ALog.e(TAG, "【" + mEntity.getFilePath() + "】，文件不存在。");
       fail();
       return;
     }
@@ -89,7 +89,7 @@ class HttpThreadTask extends AbsThreadTask<UploadEntity, UploadTaskEntity> {
         addFormField(writer, key, mTaskEntity.formFields.get(key));
       }
       uploadFile(writer, mTaskEntity.attachment, uploadFile);
-      Log.d(TAG, finish(writer) + "");
+      finish(writer);
     } catch (IOException e) {
       e.printStackTrace();
       fail();
@@ -193,7 +193,7 @@ class HttpThreadTask extends AbsThreadTask<UploadEntity, UploadTaskEntity> {
       reader.close();
       mHttpConn.disconnect();
     } else {
-      Log.w(TAG, "state_code = " + status);
+      ALog.w(TAG, "state_code = " + status);
       fail();
     }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/orm/DbUtil.java b/Aria/src/main/java/com/arialyy/aria/orm/DbUtil.java
index 9ddce325..172ea821 100644
--- a/Aria/src/main/java/com/arialyy/aria/orm/DbUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/orm/DbUtil.java
@@ -21,8 +21,8 @@ import android.content.Context;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.support.annotation.NonNull;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.List;
@@ -203,10 +203,10 @@ public class DbUtil {
   synchronized int getRowId(Class clazz, Object[] wheres, Object[] values) {
     checkDb();
     if (wheres.length <= 0 || values.length <= 0) {
-      Log.e(TAG, "请输入删除条件");
+      ALog.e(TAG, "请输入删除条件");
       return -1;
     } else if (wheres.length != values.length) {
-      Log.e(TAG, "groupName 和 vaule 长度不相等");
+      ALog.e(TAG, "groupName 和 vaule 长度不相等");
       return -1;
     }
     StringBuilder sb = new StringBuilder();
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 0abbafad..d6b5e7db 100644
--- a/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java
+++ b/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java
@@ -22,8 +22,8 @@ import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
 import android.support.annotation.NonNull;
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
 import java.lang.reflect.Field;
@@ -96,10 +96,10 @@ final class SqlHelper extends SQLiteOpenHelper {
    */
   private void handleDbUpdate(SQLiteDatabase db) {
     if (db == null) {
-      Log.d("SqlHelper", "db 为 null");
+      ALog.e("SqlHelper", "db 为 null");
       return;
     } else if (!db.isOpen()) {
-      Log.d("SqlHelper", "db已关闭");
+      ALog.e("SqlHelper", "db已关闭");
       return;
     }
     Set<String> tables = DBConfig.mapping.keySet();
@@ -206,10 +206,10 @@ final class SqlHelper extends SQLiteOpenHelper {
       Class<T> clazz, @NonNull String[] wheres, @NonNull String[] values) {
     db = checkDb(db);
     if (wheres.length <= 0 || values.length <= 0) {
-      Log.e(TAG, "请输入查询条件");
+      ALog.e(TAG, "请输入查询条件");
       return null;
     } else if (wheres.length != values.length) {
-      Log.e(TAG, "groupName 和 vaule 长度不相等");
+      ALog.e(TAG, "groupName 和 vaule 长度不相等");
       return null;
     }
     StringBuilder sb = new StringBuilder();
@@ -517,7 +517,7 @@ final class SqlHelper extends SQLiteOpenHelper {
         str = "遍历整个数据库 >>>> ";
         break;
     }
-    Log.v(TAG, str + sql);
+    ALog.v(TAG, str + sql);
   }
 
   /**
diff --git a/Aria/src/main/java/com/arialyy/aria/util/ALog.java b/Aria/src/main/java/com/arialyy/aria/util/ALog.java
new file mode 100644
index 00000000..6c6eeb3a
--- /dev/null
+++ b/Aria/src/main/java/com/arialyy/aria/util/ALog.java
@@ -0,0 +1,90 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.util;
+
+import android.text.TextUtils;
+import android.util.Log;
+import com.arialyy.aria.core.AriaManager;
+
+/**
+ * Created by Aria.Lao on 2017/10/25.
+ * Aria日志工具
+ */
+public class ALog {
+
+  public static int LOG_LEVEL = AriaManager.LOG_DEFAULT;
+
+  public static int v(String tag, String msg) {
+    return println(Log.VERBOSE, tag, msg);
+  }
+
+  public static int d(String tag, String msg) {
+    return println(Log.DEBUG, tag, msg);
+  }
+
+  public static int i(String tag, String msg) {
+    return println(Log.INFO, tag, msg);
+  }
+
+  public static int w(String tag, String msg) {
+    return println(Log.WARN, tag, msg);
+  }
+
+  public static int e(String tag, String msg) {
+    return println(Log.ERROR, tag, msg);
+  }
+
+  public static int e(String tag, Throwable e) {
+    return println(Log.ERROR, tag, getExceptionString(e));
+  }
+
+  /**
+   * 将异常信息转换为字符串
+   */
+  public static String getExceptionString(Throwable ex) {
+    StringBuilder err = new StringBuilder();
+    err.append("ExceptionDetailed:\n");
+    err.append("====================Exception Info====================\n");
+    err.append(ex.toString());
+    err.append("\n");
+    StackTraceElement[] stack = ex.getStackTrace();
+    for (StackTraceElement stackTraceElement : stack) {
+      err.append(stackTraceElement.toString()).append("\n");
+    }
+    Throwable cause = ex.getCause();
+    if (cause != null) {
+      err.append("【Caused by】: ");
+      err.append(cause.toString());
+      err.append("\n");
+      StackTraceElement[] stackTrace = cause.getStackTrace();
+      for (StackTraceElement stackTraceElement : stackTrace) {
+        err.append(stackTraceElement.toString()).append("\n");
+      }
+    }
+    err.append("===================================================");
+    return err.toString();
+  }
+
+  private static int println(int level, String tag, String msg) {
+    if (LOG_LEVEL <= level) {
+      return Log.println(level, tag, TextUtils.isEmpty(msg) ? "null" : msg);
+    } else {
+      return -1;
+    }
+  }
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/util/CheckUtil.java b/Aria/src/main/java/com/arialyy/aria/util/CheckUtil.java
index 745d2826..2f2d7353 100644
--- a/Aria/src/main/java/com/arialyy/aria/util/CheckUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/util/CheckUtil.java
@@ -17,7 +17,6 @@
 package com.arialyy.aria.util;
 
 import android.text.TextUtils;
-import android.util.Log;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
@@ -135,20 +134,20 @@ public class CheckUtil {
     if (entity instanceof DownloadTaskEntity) {
       DownloadEntity entity1 = ((DownloadTaskEntity) entity).getEntity();
       if (entity1 == null) {
-        Log.e(TAG, "下载实体不能为空");
+        ALog.e(TAG, "下载实体不能为空");
       } else if (checkType && TextUtils.isEmpty(entity1.getUrl())) {
-        Log.e(TAG, "下载链接不能为空");
+        ALog.e(TAG, "下载链接不能为空");
       } else if (checkType && TextUtils.isEmpty(entity1.getDownloadPath())) {
-        Log.e(TAG, "保存路径不能为空");
+        ALog.e(TAG, "保存路径不能为空");
       } else {
         b = true;
       }
     } else if (entity instanceof UploadTaskEntity) {
       UploadEntity entity1 = ((UploadTaskEntity) entity).getEntity();
       if (entity1 == null) {
-        Log.e(TAG, "上传实体不能为空");
+        ALog.e(TAG, "上传实体不能为空");
       } else if (TextUtils.isEmpty(entity1.getFilePath())) {
-        Log.e(TAG, "上传文件路径不能为空");
+        ALog.e(TAG, "上传文件路径不能为空");
       } else {
         b = true;
       }
diff --git a/Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java b/Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java
index b8b2b0c6..b71f89b6 100644
--- a/Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java
@@ -22,7 +22,6 @@ import android.content.SharedPreferences;
 import android.net.Uri;
 import android.text.TextUtils;
 import android.util.Base64;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.FtpUrlEntity;
 import com.arialyy.aria.core.command.ICmd;
@@ -251,7 +250,7 @@ public class CommonUtil {
       md.update(sb.toString().getBytes());
       md5 = new BigInteger(1, md.digest()).toString(16);
     } catch (NoSuchAlgorithmException e) {
-      Log.e(TAG, e.getMessage());
+      ALog.e(TAG, e.getMessage());
     }
     return md5;
   }
@@ -356,12 +355,12 @@ public class CommonUtil {
       File dir = new File("/sys/devices/system/cpu/");
       //Filter to only list the devices we care about
       File[] files = dir.listFiles(new CpuFilter());
-      Log.d(TAG, "CPU Count: " + files.length);
+      ALog.d(TAG, "CPU Count: " + files.length);
       //Return the number of cores (virtual CPU devices)
       return files.length;
     } catch (Exception e) {
       //Print exception
-      Log.d(TAG, "CPU Count: Failed.");
+      ALog.d(TAG, "CPU Count: Failed.");
       e.printStackTrace();
       //Default to return 1 core
       return 1;
@@ -391,13 +390,13 @@ public class CommonUtil {
    */
   public static boolean checkMD5(String md5, File updateFile) {
     if (TextUtils.isEmpty(md5) || updateFile == null) {
-      Log.e(TAG, "MD5 string empty or updateFile null");
+      ALog.e(TAG, "MD5 string empty or updateFile null");
       return false;
     }
 
     String calculatedDigest = getFileMD5(updateFile);
     if (calculatedDigest == null) {
-      Log.e(TAG, "calculatedDigest null");
+      ALog.e(TAG, "calculatedDigest null");
       return false;
     }
     return calculatedDigest.equalsIgnoreCase(md5);
@@ -408,13 +407,13 @@ public class CommonUtil {
    */
   public static boolean checkMD5(String md5, InputStream is) {
     if (TextUtils.isEmpty(md5) || is == null) {
-      Log.e(TAG, "MD5 string empty or updateFile null");
+      ALog.e(TAG, "MD5 string empty or updateFile null");
       return false;
     }
 
     String calculatedDigest = getFileMD5(is);
     if (calculatedDigest == null) {
-      Log.e(TAG, "calculatedDigest null");
+      ALog.e(TAG, "calculatedDigest null");
       return false;
     }
     return calculatedDigest.equalsIgnoreCase(md5);
@@ -428,7 +427,7 @@ public class CommonUtil {
     try {
       is = new FileInputStream(updateFile);
     } catch (FileNotFoundException e) {
-      Log.e(TAG, "Exception while getting FileInputStream", e);
+      ALog.e(TAG, e);
       return null;
     }
 
@@ -443,7 +442,7 @@ public class CommonUtil {
     try {
       digest = MessageDigest.getInstance("MD5");
     } catch (NoSuchAlgorithmException e) {
-      Log.e(TAG, "Exception while getting digest", e);
+      ALog.e(TAG, e);
       return null;
     }
 
@@ -465,7 +464,7 @@ public class CommonUtil {
       try {
         is.close();
       } catch (IOException e) {
-        Log.e(TAG, "Exception on closing MD5 input stream", e);
+        ALog.e(TAG, e);
       }
     }
   }
@@ -699,7 +698,7 @@ public class CommonUtil {
     File file = new File(path);
     if (!file.exists()) {
       if (!file.mkdirs()) {
-        Log.d(TAG, "创建失败，请检查路径和是否配置文件权限！");
+        ALog.d(TAG, "创建失败，请检查路径和是否配置文件权限！");
         return false;
       }
       return true;
@@ -714,14 +713,14 @@ public class CommonUtil {
    */
   public static void createFile(String path) {
     if (TextUtils.isEmpty(path)) {
-      Log.e(TAG, "文件路径不能为null");
+      ALog.e(TAG, "文件路径不能为null");
       return;
     }
     File file = new File(path);
     if (!file.getParentFile().exists()) {
-      Log.d(TAG, "目标文件所在路径不存在，准备创建……");
+      ALog.d(TAG, "目标文件所在路径不存在，准备创建……");
       if (!createDir(file.getParent())) {
-        Log.d(TAG, "创建目录文件所在的目录失败！文件路径【" + path + "】");
+        ALog.d(TAG, "创建目录文件所在的目录失败！文件路径【" + path + "】");
       }
     }
     // 创建目标文件
@@ -732,7 +731,7 @@ public class CommonUtil {
     }
     try {
       if (file.createNewFile()) {
-        Log.d(TAG, "创建文件成功:" + file.getAbsolutePath());
+        ALog.d(TAG, "创建文件成功:" + file.getAbsolutePath());
       }
     } catch (IOException e) {
       e.printStackTrace();
diff --git a/app/src/main/java/com/arialyy/simple/download/FtpDownloadActivity.java b/app/src/main/java/com/arialyy/simple/download/FtpDownloadActivity.java
index e7dd8d89..65f0e100 100644
--- a/app/src/main/java/com/arialyy/simple/download/FtpDownloadActivity.java
+++ b/app/src/main/java/com/arialyy/simple/download/FtpDownloadActivity.java
@@ -36,7 +36,9 @@ import java.io.File;
  */
 public class FtpDownloadActivity extends BaseActivity<ActivityFtpDownloadBinding> {
   //private final String URL = "ftp://192.168.1.9:21/下载/AriaPrj.zip";
-  private final String URL = "ftp://192.168.1.9:21/下载/[电影天堂www.dy2018.com]赛车总动员3BD中英双字.mp4";
+  //private final String URL = "ftp://192.168.1.9:21/下载/[电影天堂www.dy2018.com]赛车总动员3BD中英双字.mp4";
+  //private final String URL = "ftp://d:d@dygodj8.com:12311/[电影天堂www.dy2018.com]光辉岁月BD韩语中字.rmvb";
+  private final String URL = "ftp://172.18.104.64:21/upload/成都.mp3";
 
   @Override protected void init(Bundle savedInstanceState) {
     super.init(savedInstanceState);
@@ -58,8 +60,8 @@ public class FtpDownloadActivity extends BaseActivity<ActivityFtpDownloadBinding
     switch (view.getId()) {
       case R.id.start:
         Aria.download(this).loadFtp(URL, true)
-            .charSet("GBK")
-            //.login("lao", "123456")
+            //.charSet("GBK")
+            .login("lao", "123456")
             .setDownloadPath("/mnt/sdcard/").start();
         break;
       case R.id.stop:
diff --git a/app/src/main/java/com/arialyy/simple/download/group/FTPDirDownloadActivity.java b/app/src/main/java/com/arialyy/simple/download/group/FTPDirDownloadActivity.java
index 68cbc028..fa811141 100644
--- a/app/src/main/java/com/arialyy/simple/download/group/FTPDirDownloadActivity.java
+++ b/app/src/main/java/com/arialyy/simple/download/group/FTPDirDownloadActivity.java
@@ -35,7 +35,7 @@ import com.arialyy.simple.widget.SubStateLinearLayout;
  * Created by Aria.Lao on 2017/7/6.
  */
 public class FTPDirDownloadActivity extends BaseActivity<ActivityDownloadGroupBinding> {
-  private static final String dir = "ftp://172.18.104.49:21/haha/";
+  private static final String dir = "ftp://172.18.104.64:21/haha/";
 
   @Bind(R.id.child_list) SubStateLinearLayout mChildList;
 
diff --git a/aria/src/main/java/com/arialyy/aria/core/upload/UploadTask.java b/aria/src/main/java/com/arialyy/aria/core/upload/UploadTask.java
index 0df8d652..678a84ac 100644
--- a/aria/src/main/java/com/arialyy/aria/core/upload/UploadTask.java
+++ b/aria/src/main/java/com/arialyy/aria/core/upload/UploadTask.java
@@ -17,11 +17,10 @@ package com.arialyy.aria.core.upload;
 
 import android.os.Handler;
 import android.os.Looper;
-import android.util.Log;
-import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.inf.AbsNormalTask;
 import com.arialyy.aria.core.scheduler.ISchedulers;
 import com.arialyy.aria.core.upload.uploader.SimpleUploadUtil;
+import com.arialyy.aria.util.ALog;
 
 /**
  * Created by lyy on 2017/2/23.
@@ -54,7 +53,7 @@ public class UploadTask extends AbsNormalTask<UploadTaskEntity> {
 
   @Override public void start() {
     if (mUtil.isRunning()) {
-      Log.d(TAG, "任务正在下载");
+      ALog.d(TAG, "任务正在下载");
     } else {
       mUtil.start();
     }