diff --git a/Aria/src/main/java/com/arialyy/aria/core/delegate/FtpDelegate.java b/Aria/src/main/java/com/arialyy/aria/core/delegate/FtpDelegate.java
index 578c478f..c4a830b6 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/delegate/FtpDelegate.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/delegate/FtpDelegate.java
@@ -31,16 +31,18 @@ public class FtpDelegate<TARGET extends ITarget, ENTITY extends AbsEntity, TASK_
   private static final String TAG = "FtpDelegate";
   private ENTITY mEntity;
   private TASK_ENTITY mTaskEntity;
+  private TARGET mTarget;
 
-  public FtpDelegate(TASK_ENTITY mTaskEntity) {
-    this.mTaskEntity = mTaskEntity;
+  public FtpDelegate(TARGET target, TASK_ENTITY taskEntity) {
+    mTarget = target;
+    mTaskEntity = taskEntity;
     mEntity = mTaskEntity.getEntity();
   }
 
   @Override public TARGET charSet(String charSet) {
-    if (TextUtils.isEmpty(charSet)) return (TARGET) this;
+    if (TextUtils.isEmpty(charSet)) return mTarget;
     mTaskEntity.charSet = charSet;
-    return (TARGET) this;
+    return mTarget;
   }
 
   @Override public TARGET login(String userName, String password) {
@@ -50,15 +52,15 @@ public class FtpDelegate<TARGET extends ITarget, ENTITY extends AbsEntity, TASK_
   @Override public TARGET login(String userName, String password, String account) {
     if (TextUtils.isEmpty(userName)) {
       ALog.e(TAG, "用户名不能为null");
-      return (TARGET) this;
+      return mTarget;
     } else if (TextUtils.isEmpty(password)) {
       ALog.e(TAG, "密码不能为null");
-      return (TARGET) this;
+      return mTarget;
     }
     mTaskEntity.urlEntity.needLogin = true;
     mTaskEntity.urlEntity.user = userName;
     mTaskEntity.urlEntity.password = password;
     mTaskEntity.urlEntity.account = account;
-    return (TARGET) this;
+    return mTarget;
   }
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/delegate/HttpHeaderDelegate.java b/Aria/src/main/java/com/arialyy/aria/core/delegate/HttpHeaderDelegate.java
index 628b1501..18d93e18 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/delegate/HttpHeaderDelegate.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/delegate/HttpHeaderDelegate.java
@@ -37,9 +37,12 @@ public class HttpHeaderDelegate<TARGET extends ITarget, ENTITY extends AbsEntity
   private static final String TAG = "HttpHeaderDelegate";
   private ENTITY mEntity;
   private TASK_ENTITY mTaskEntity;
+  private TARGET mTarget;
+
+  public HttpHeaderDelegate(TARGET target, TASK_ENTITY taskEntity) {
+    mTarget = target;
+    mTaskEntity = taskEntity;
 
-  public HttpHeaderDelegate(TASK_ENTITY mTaskEntity) {
-    this.mTaskEntity = mTaskEntity;
     mEntity = mTaskEntity.getEntity();
   }
 
@@ -54,10 +57,10 @@ public class HttpHeaderDelegate<TARGET extends ITarget, ENTITY extends AbsEntity
   public TARGET addHeader(@NonNull String key, @NonNull String value) {
     if (TextUtils.isEmpty(key)) {
       ALog.w(TAG, "设置header失败，header对应的key不能为null");
-      return (TARGET) this;
+      return mTarget;
     } else if (TextUtils.isEmpty(value)) {
       ALog.w(TAG, "设置header失败，header对应的value不能为null");
-      return (TARGET) this;
+      return mTarget;
     }
     if (mTaskEntity.headers.get(key) == null) {
       mTaskEntity.headers.put(key, value);
@@ -66,7 +69,7 @@ public class HttpHeaderDelegate<TARGET extends ITarget, ENTITY extends AbsEntity
       mTaskEntity.headers.put(key, value);
       mTaskEntity.update();
     }
-    return (TARGET) this;
+    return mTarget;
   }
 
   /**
@@ -79,7 +82,7 @@ public class HttpHeaderDelegate<TARGET extends ITarget, ENTITY extends AbsEntity
   public TARGET addHeaders(@NonNull Map<String, String> headers) {
     if (headers.size() == 0) {
       ALog.w(TAG, "设置header失败，map没有header数据");
-      return (TARGET) this;
+      return mTarget;
     }
     /*
       两个map比较逻辑
@@ -123,7 +126,7 @@ public class HttpHeaderDelegate<TARGET extends ITarget, ENTITY extends AbsEntity
       mTaskEntity.update();
     }
 
-    return (TARGET) this;
+    return mTarget;
   }
 
   /**
@@ -135,7 +138,7 @@ public class HttpHeaderDelegate<TARGET extends ITarget, ENTITY extends AbsEntity
   @Override
   public TARGET setRequestMode(RequestEnum requestEnum) {
     mTaskEntity.requestEnum = requestEnum;
-    return (TARGET) this;
+    return mTarget;
   }
 
   /**
@@ -145,12 +148,12 @@ public class HttpHeaderDelegate<TARGET extends ITarget, ENTITY extends AbsEntity
    */
   @Override
   public TARGET setHeaderMd5Key(String md5Key) {
-    if (TextUtils.isEmpty(md5Key)) return (TARGET) this;
+    if (TextUtils.isEmpty(md5Key)) return mTarget;
     mTaskEntity.md5Key = md5Key;
     if (TextUtils.isEmpty(mTaskEntity.md5Key) || !mTaskEntity.md5Key.equals(md5Key)) {
       mTaskEntity.update();
     }
-    return (TARGET) this;
+    return mTarget;
   }
 
   /**
@@ -159,13 +162,13 @@ public class HttpHeaderDelegate<TARGET extends ITarget, ENTITY extends AbsEntity
    */
   @Override
   public TARGET setHeaderContentLengthKey(String contentLength) {
-    if (TextUtils.isEmpty(contentLength)) return (TARGET) this;
+    if (TextUtils.isEmpty(contentLength)) return mTarget;
     mTaskEntity.contentLength = contentLength;
     if (TextUtils.isEmpty(mTaskEntity.contentLength) || !mTaskEntity.contentLength.equals(
         contentLength)) {
       mTaskEntity.update();
     }
-    return (TARGET) this;
+    return mTarget;
   }
 
   /**
@@ -175,13 +178,13 @@ public class HttpHeaderDelegate<TARGET extends ITarget, ENTITY extends AbsEntity
    */
   @Override
   public TARGET setHeaderDispositionKey(String dispositionKey) {
-    if (TextUtils.isEmpty(dispositionKey)) return (TARGET) this;
+    if (TextUtils.isEmpty(dispositionKey)) return mTarget;
     mTaskEntity.dispositionKey = dispositionKey;
     if (TextUtils.isEmpty(mTaskEntity.dispositionKey) || !mTaskEntity.dispositionKey.equals(
         dispositionKey)) {
       mTaskEntity.update();
     }
-    return (TARGET) this;
+    return mTarget;
   }
 
   /**
@@ -191,12 +194,12 @@ public class HttpHeaderDelegate<TARGET extends ITarget, ENTITY extends AbsEntity
    */
   @Override
   public TARGET setHeaderDispositionFileKey(String dispositionFileKey) {
-    if (TextUtils.isEmpty(dispositionFileKey)) return (TARGET) this;
+    if (TextUtils.isEmpty(dispositionFileKey)) return mTarget;
     mTaskEntity.dispositionFileKey = dispositionFileKey;
     if (TextUtils.isEmpty(mTaskEntity.dispositionFileKey) || !mTaskEntity.dispositionFileKey.equals(
         dispositionFileKey)) {
       mTaskEntity.update();
     }
-    return (TARGET) this;
+    return mTarget;
   }
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTarget.java
index d29b6d79..3ec327da 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTarget.java
@@ -49,7 +49,7 @@ public class DownloadTarget extends BaseNormalTarget<DownloadTarget>
   }
 
   private void initTHis() {
-    mDelegate = new HttpHeaderDelegate<>(mTaskEntity);
+    mDelegate = new HttpHeaderDelegate<>(this, mTaskEntity);
   }
 
   /**
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 ffeacb14..cb7b2d01 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
@@ -45,7 +45,7 @@ public class FtpDirDownloadTarget extends BaseGroupTarget<FtpDirDownloadTarget>
     mTaskEntity.requestType = AbsTaskEntity.D_FTP_DIR;
     mEntity = mTaskEntity.entity;
 
-    mDelegate = new FtpDelegate<>(mTaskEntity);
+    mDelegate = new FtpDelegate<>(this, mTaskEntity);
   }
 
   @Override protected int getTargetType() {
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 d9b7b54b..518f3142 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
@@ -51,7 +51,7 @@ public class FtpDownloadTarget extends BaseNormalTarget<FtpDownloadTarget>
     mTaskEntity.refreshInfo = refreshInfo;
     mTaskEntity.requestType = AbsTaskEntity.D_FTP;
 
-    mDelegate = new FtpDelegate<>(mTaskEntity);
+    mDelegate = new FtpDelegate<>(this, mTaskEntity);
   }
 
   /**
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/ConnectionHelp.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/ConnectionHelp.java
index 6135ec6f..702f253c 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/ConnectionHelp.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/ConnectionHelp.java
@@ -15,6 +15,7 @@
  */
 package com.arialyy.aria.core.download.downloader;
 
+import android.util.Log;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.util.SSLContextUtil;
 import java.io.IOException;
@@ -80,28 +81,28 @@ class ConnectionHelp {
       conn.setRequestProperty("User-Agent",
           "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36");
     }
-    if (keys == null || !keys.contains("Accept")) {
-      StringBuilder accept = new StringBuilder();
-      accept.append("image/gif, ")
-          .append("image/jpeg, ")
-          .append("image/pjpeg, ")
-          .append("image/webp, ")
-          .append("image/apng, ")
-          .append("application/xml, ")
-          .append("application/xaml+xml, ")
-          .append("application/xhtml+xml, ")
-          .append("application/x-shockwave-flash, ")
-          .append("application/x-ms-xbap, ")
-          .append("application/x-ms-application, ")
-          .append("application/msword, ")
-          .append("application/vnd.ms-excel, ")
-          .append("application/vnd.ms-xpsdocument, ")
-          .append("application/vnd.ms-powerpoint, ")
-          .append("text/plain, ")
-          .append("text/html, ")
-          .append("*/*");
-      conn.setRequestProperty("Accept", accept.toString());
-    }
+    //if (keys == null || !keys.contains("Accept")) {
+    //  StringBuilder accept = new StringBuilder();
+    //  accept.append("image/gif, ")
+    //      .append("image/jpeg, ")
+    //      .append("image/pjpeg, ")
+    //      .append("image/webp, ")
+    //      .append("image/apng, ")
+    //      .append("application/xml, ")
+    //      .append("application/xaml+xml, ")
+    //      .append("application/xhtml+xml, ")
+    //      .append("application/x-shockwave-flash, ")
+    //      .append("application/x-ms-xbap, ")
+    //      .append("application/x-ms-application, ")
+    //      .append("application/msword, ")
+    //      .append("application/vnd.ms-excel, ")
+    //      .append("application/vnd.ms-xpsdocument, ")
+    //      .append("application/vnd.ms-powerpoint, ")
+    //      .append("text/plain, ")
+    //      .append("text/html, ")
+    //      .append("*/*");
+    //  conn.setRequestProperty("Accept", accept.toString());
+    //}
     if (keys == null || !keys.contains("Accept-Encoding")) {
       conn.setRequestProperty("Accept-Encoding", "identity");
     }
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 1a51ab7f..0bfaceb0 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
@@ -15,7 +15,9 @@
  */
 package com.arialyy.aria.core.download.downloader;
 
+import android.location.Address;
 import android.text.TextUtils;
+import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.common.CompleteInfo;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
@@ -27,7 +29,9 @@ import com.arialyy.aria.util.CommonUtil;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.HttpURLConnection;
+import java.net.InetAddress;
 import java.net.URL;
+import java.net.URLConnection;
 import java.net.URLDecoder;
 import java.util.List;
 import java.util.Map;
@@ -58,10 +62,7 @@ class HttpFileInfoThread implements Runnable {
       conn = ConnectionHelp.setConnectParam(mTaskEntity, conn);
       conn.setRequestProperty("Range", "bytes=" + 0 + "-");
       conn.setConnectTimeout(mConnectTimeOut);
-      conn.setRequestMethod(mTaskEntity.requestEnum.name);
-      conn.setDoOutput(true);
-      conn.setDoInput(true);
-      conn.setChunkedStreamingMode(0);
+      //conn.setChunkedStreamingMode(0);
       conn.connect();
       handleConnect(conn);
     } catch (IOException e) {
@@ -83,6 +84,17 @@ class HttpFileInfoThread implements Runnable {
     if (len < 0) {
       String temp = conn.getHeaderField(mTaskEntity.contentLength);
       len = TextUtils.isEmpty(temp) ? -1 : Long.parseLong(temp);
+      // 某些服务，如果设置了conn.setRequestProperty("Range", "bytes=" + 0 + "-");
+      // 会返回 Content-Range: bytes 0-225427911/225427913
+      if (len < 0){
+        temp = conn.getHeaderField("Content-Range");
+        if (TextUtils.isEmpty(temp)){
+          len = -1;
+        }else {
+          int start = temp.indexOf("/");
+          len = Long.parseLong(temp.substring(start + 1, temp.length()));
+        }
+      }
     }
     int code = conn.getResponseCode();
     boolean isComplete = false;
@@ -90,20 +102,22 @@ class HttpFileInfoThread implements Runnable {
       String md5Code = conn.getHeaderField(mTaskEntity.md5Key);
       mEntity.setMd5Code(md5Code);
     }
-    String disposition = conn.getHeaderField(mTaskEntity.dispositionKey);
+
     Map<String, List<String>> headers = conn.getHeaderFields();
     boolean isChunked = false;
     //https://my.oschina.net/ososchina/blog/666761
-    if (conn.getHeaderField("Transfer-Encoding").equals("chunked")) {
+    final String str = conn.getHeaderField("Transfer-Encoding");
+    if (!TextUtils.isEmpty(str) && str.equals("chunked")) {
       isChunked = true;
-      StringBuffer sb = new StringBuffer();
-      byte[] buffer = new byte[1024];
-      InputStream is = conn.getInputStream();
-      int l = 0;
+      //StringBuffer sb = new StringBuffer();
+      //byte[] buffer = new byte[1024];
+      //InputStream is = conn.getInputStream();
+      //int l = 0;
       //while (true){
       //  is.read()
       //}
     }
+    String disposition = conn.getHeaderField(mTaskEntity.dispositionKey);
     if (!TextUtils.isEmpty(disposition)) {
       mEntity.setDisposition(CommonUtil.encryptBASE64(disposition));
       if (disposition.contains(mTaskEntity.dispositionFileKey)) {
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 eadf2132..9f0be85c 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
@@ -90,28 +90,7 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
       if (STATE.isCancel || STATE.isStop) {
         return;
       }
-      //支持断点的处理
-      if (mConfig.SUPPORT_BP) {
-        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()) {
-          File configFile = new File(mConfigFPath);
-          if (configFile.exists()) {
-            configFile.delete();
-          }
-          STATE.isRunning = false;
-          mListener.onComplete();
-        }
-        if (STATE.isFail()) {
-          STATE.isRunning = false;
-          mListener.onFail(false);
-        }
-      } else {
-        ALog.i(TAG, "任务下载完成");
-        STATE.isRunning = false;
-        mListener.onComplete();
-      }
+      handleStop();
     } catch (MalformedURLException e) {
       fail(mChildCurrentLocation, "下载链接异常", e);
     } catch (IOException e) {
@@ -140,7 +119,7 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
    */
   private void readChunk(InputStream is, RandomAccessFile file)
       throws IOException, InterruptedException {
-    
+
   }
 
   /**
@@ -162,6 +141,40 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
     }
   }
 
+  /**
+   * 处理暂停或完成配置文件的更新或事件回调
+   *
+   * @throws IOException
+   */
+  private void handleStop() throws IOException {
+    //支持断点的处理
+    if (mConfig.SUPPORT_BP) {
+      if (mChildCurrentLocation == mConfig.END_LOCATION) {
+        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()) {
+          File configFile = new File(mConfigFPath);
+          if (configFile.exists()) {
+            configFile.delete();
+          }
+          STATE.isRunning = false;
+          mListener.onComplete();
+        }
+      } else {
+        STATE.FAIL_NUM++;
+      }
+      if (STATE.isFail()) {
+        STATE.isRunning = false;
+        mListener.onFail(false);
+      }
+    } else {
+      ALog.i(TAG, "任务下载完成");
+      STATE.isRunning = false;
+      mListener.onComplete();
+    }
+  }
+
   @Override protected String getTaskType() {
     return "HTTP_DOWNLOAD";
   }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/ITarget.java b/Aria/src/main/java/com/arialyy/aria/core/inf/ITarget.java
index 21149e0f..8b4b998a 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/ITarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/ITarget.java
@@ -19,7 +19,6 @@ package com.arialyy.aria.core.inf;
  * Created by AriaL on 2017/6/29.
  */
 public interface ITarget<TARGET extends ITarget> {
-
   /**
    * 获取任务状态
    *
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 8892c8b8..34922b45 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
@@ -21,10 +21,8 @@ import com.arialyy.aria.core.command.normal.NormalCmdFactory;
 import com.arialyy.aria.core.delegate.FtpDelegate;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.IFtpTarget;
-import com.arialyy.aria.core.manager.TEManager;
 import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
-import java.io.File;
 
 /**
  * Created by Aria.Lao on 2017/7/27.
@@ -43,7 +41,7 @@ public class FtpUploadTarget extends BaseNormalTarget<FtpUploadTarget>
   private void initTask(String filePath) {
     initTarget(filePath);
     mTaskEntity.requestType = AbsTaskEntity.U_FTP;
-    mDelegate = new FtpDelegate<>(mTaskEntity);
+    mDelegate = new FtpDelegate<>(this, mTaskEntity);
   }
 
   /**
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/UploadTarget.java b/Aria/src/main/java/com/arialyy/aria/core/upload/UploadTarget.java
index eeacbfd9..1fb08fb7 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/UploadTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/UploadTarget.java
@@ -43,7 +43,7 @@ public class UploadTarget extends BaseNormalTarget<UploadTarget>
     //http暂时不支持断点上传
     mTaskEntity.isSupportBP = false;
     mTaskEntity.requestType = AbsTaskEntity.U_HTTP;
-    mDelegate = new HttpHeaderDelegate<>(mTaskEntity);
+    mDelegate = new HttpHeaderDelegate<>(this, mTaskEntity);
   }
 
   @Override public UploadTarget setUploadUrl(@NonNull String uploadUrl) {
diff --git a/AriaFtpPlug/src/main/java/org/apache/commons/net/ftp/parser/MacOsPeterFTPEntryParser.java b/AriaFtpPlug/src/main/java/org/apache/commons/net/ftp/parser/MacOsPeterFTPEntryParser.java
index fd96c8d0..5752a9b9 100644
--- a/AriaFtpPlug/src/main/java/org/apache/commons/net/ftp/parser/MacOsPeterFTPEntryParser.java
+++ b/AriaFtpPlug/src/main/java/org/apache/commons/net/ftp/parser/MacOsPeterFTPEntryParser.java
@@ -29,7 +29,8 @@ import org.apache.commons.net.ftp.FTPFile;
  * @see org.apache.commons.net.ftp.FTPFileEntryParser FTPFileEntryParser (for usage instructions)
  * @since 3.1
  */
-public class MacOsPeterFTPEntryParser extends ConfigurableFTPFileEntryParserImpl {
+public class
+MacOsPeterFTPEntryParser extends ConfigurableFTPFileEntryParserImpl {
 
   static final String DEFAULT_DATE_FORMAT = "MMM d yyyy"; //Nov 9 2001
 
diff --git a/DEV_LOG.md b/DEV_LOG.md
index b032d00e..f69f117e 100644
--- a/DEV_LOG.md
+++ b/DEV_LOG.md
@@ -1,6 +1,7 @@
 ## 开发日志
   + v_3.3.16
     - 修复一个activity启动多次，无法进行回掉的bug https://github.com/AriaLyy/Aria/issues/200
+    - 优化target代码结构
   + v_3.3.14
     - 修复ftp上传和下载的兼容性问题
     - 如果url中的path有"//"将替换为"/"
diff --git a/app/src/main/assets/aria_config.xml b/app/src/main/assets/aria_config.xml
index ce92a575..7268c227 100644
--- a/app/src/main/assets/aria_config.xml
+++ b/app/src/main/assets/aria_config.xml
@@ -5,13 +5,13 @@
   <download>
 
     <!--设置下载线程，线程下载数改变后，新的下载任务才会生效，如果任务大小小于1m，该设置也不会生效-->
-    <threadNum value="3"/>
+    <threadNum value="1"/>
 
     <!--设置下载队列最大任务数， 默认为2-->
     <maxTaskNum value="2"/>
 
     <!--设置下载失败，重试次数，默认为10-->
-    <reTryNum value="2"/>
+    <reTryNum value="1"/>
 
     <!--设置重试间隔，单位为毫秒，默认2000毫秒-->
     <reTryInterval value="5000"/>
diff --git a/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java b/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
index 96fc98ac..be887ca3 100644
--- a/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
+++ b/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
@@ -29,6 +29,7 @@ import android.widget.Toast;
 import butterknife.Bind;
 import com.arialyy.annotations.Download;
 import com.arialyy.aria.core.Aria;
+import com.arialyy.aria.core.common.RequestEnum;
 import com.arialyy.aria.core.download.DownloadTarget;
 import com.arialyy.aria.core.download.DownloadTask;
 import com.arialyy.aria.core.inf.IEntity;
@@ -61,8 +62,9 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
       //"http://qudao.5535.cn/one/game.html?game=531&cpsuser=xiaoeryu2";
       //"https://bogoe-res.mytbz.com/tbzengsong/If You're Happy.mp3";
       //"http://ozr0ucjs5.bkt.clouddn.com/51_box-104_20180131202610.apk";
-      "http://kf.lyfz.net/api/v1/we_chat/Business/getMaterial?company_id=51454009d703c86c91353f61011ecf2f&appid=wx88c6052d06eaaf7d&media_id=qpkQb72KqNkZhBNIUw7asF0LuJouXCTBd3A-rS2bYl7H4kvTZstEXD3F-pDVeqA-&type=3";
+      //"http://kf.lyfz.net/api/v1/we_chat/Business/getMaterial?company_id=51454009d703c86c91353f61011ecf2f&appid=wx88c6052d06eaaf7d&media_id=qpkQb72KqNkZhBNIUw7asF0LuJouXCTBd3A-rS2bYl7H4kvTZstEXD3F-pDVeqA-&type=3";
       //"https://www.baidu.com/link?url=_LFCuTPtnzFxVJByJ504QymRywIA1Z_T5xUxe9ZLuxcGM0C_RcdpWyB1eGjbJC-e5wv5wAKM4WmLMAS5KeF6EZJHB8Va3YqZUiaErqK_pxm&wd=&eqid=e8583fe70002d126000000065a99f864";
+      "http://58.210.9.131/tpk/sipgt/TDLYZTGH.tpk";
   @Bind(R.id.start) Button mStart;
   @Bind(R.id.stop) Button mStop;
   @Bind(R.id.cancel) Button mCancel;
@@ -230,8 +232,8 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
         .addHeader("Accept-Encoding", "gzip, deflate")
         .addHeader("DNT", "1")
         //.addHeader("Cookie", "BAIDUID=648E5FF020CC69E8DD6F492D1068AAA9:FG=1; BIDUPSID=648E5FF020CC69E8DD6F492D1068AAA9; PSTM=1519099573; BD_UPN=12314753; locale=zh; BDSVRTM=0")
-        //.setRequestMode(RequestEnum.POST)
-        .setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/ggsg1.apk")
+        .setRequestMode(RequestEnum.GET)
+        .setFilePath(Environment.getExternalStorageDirectory().getPath() + "/ggsg1.apk")
         .resetState()
         .start();
     //.add();