diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/BaseListener.java b/Aria/src/main/java/com/arialyy/aria/core/common/BaseListener.java
index 1fb9d49e..692d703a 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/BaseListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/BaseListener.java
@@ -110,7 +110,7 @@ public abstract class BaseListener<ENTITY extends AbsEntity, TASK_WRAPPER extend
     mEntity.setFailNum(mEntity.getFailNum() + 1);
     saveData(IEntity.STATE_FAIL, mEntity.getCurrentProgress());
     handleSpeed(0);
-    mTask.needRetry = needRetry;
+    mTask.setNeedRetry(needRetry);
     mTask.putExpand(AbsTask.ERROR_INFO_KEY, e);
     sendInState2Target(ISchedulers.FAIL);
     e.printStackTrace();
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/ftp/AbsFtpInfoThread.java b/Aria/src/main/java/com/arialyy/aria/core/common/ftp/AbsFtpInfoThread.java
index 4b1533e7..2f0bc08a 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/ftp/AbsFtpInfoThread.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/ftp/AbsFtpInfoThread.java
@@ -257,7 +257,7 @@ public abstract class AbsFtpInfoThread<ENTITY extends AbsEntity, TASK_WRAPPER ex
       charSet = "UTF-8";
       reply = client.sendCommand("OPTS UTF8", "ON");
       if (reply != FTPReply.COMMAND_IS_SUPERFLUOUS) {
-        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");
+        ALog.i(TAG, "D_FTP 服务器不支持开启UTF8编码，尝试使用Aria手动设置的编码");
         if (!TextUtils.isEmpty(mTaskWrapper.asFtp().getCharSet())) {
           charSet = mTaskWrapper.asFtp().getCharSet();
         }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/ftp/FTPSDelegate.java b/Aria/src/main/java/com/arialyy/aria/core/common/ftp/FTPSDelegate.java
index 4ea18029..0ab5e6dc 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/ftp/FTPSDelegate.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/ftp/FTPSDelegate.java
@@ -1,124 +1,124 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core.common.ftp;
-
-import android.text.TextUtils;
-import com.arialyy.aria.core.FtpUrlEntity;
-import com.arialyy.aria.core.common.ProtocolType;
-import com.arialyy.aria.core.inf.AbsTarget;
-import com.arialyy.aria.core.inf.ITargetHandler;
-
-/**
- * FTP SSL/TSL 参数委托
- */
-public class FTPSDelegate<TARGET extends AbsTarget> implements ITargetHandler {
-  private final String TAG = "FTPSDelegate";
-  private TARGET mTarget;
-  private FtpUrlEntity mUrlEntity;
-
-  public FTPSDelegate(TARGET target) {
-    mTarget = target;
-    mUrlEntity = mTarget.getTaskWrapper().asFtp().getUrlEntity();
-  }
-
-  /**
-   * 设置协议类型
-   *
-   * @param protocol {@link ProtocolType}
-   */
-  public FTPSDelegate setProtocol(@ProtocolType String protocol) {
-    if (TextUtils.isEmpty(protocol)) {
-      throw new NullPointerException("协议为空");
-    }
-    mUrlEntity.protocol = protocol;
-    return this;
-  }
-
-  /**
-   * 设置证书别名
-   *
-   * @param keyAlias 别名
-   */
-  public FTPSDelegate setAlias(String keyAlias) {
-    if (TextUtils.isEmpty(keyAlias)) {
-      throw new NullPointerException("别名为空");
-    }
-    mUrlEntity.keyAlias = keyAlias;
-    return this;
-  }
-
-  /**
-   * 设置证书密码
-   *
-   * @param storePass 私钥密码
-   */
-  public FTPSDelegate setStorePass(String storePass) {
-    if (TextUtils.isEmpty(storePass)) {
-      throw new NullPointerException("证书密码为空");
-    }
-    mUrlEntity.storePass = storePass;
-    return this;
-  }
-
-  /**
-   * 设置证书路径
-   *
-   * @param storePath 证书路径
-   */
-  public FTPSDelegate setStorePath(String storePath) {
-    if (TextUtils.isEmpty(storePath)) {
-      throw new NullPointerException("证书路径为空");
-    }
-    mUrlEntity.storePath = storePath;
-    return this;
-  }
-
-  @Override public void add() {
-    mTarget.add();
-  }
-
-  @Override public void start() {
-    mTarget.start();
-  }
-
-  @Override public void stop() {
-    mTarget.stop();
-  }
-
-  @Override public void resume() {
-    mTarget.resume();
-  }
-
-  @Override public void cancel() {
-    mTarget.cancel();
-  }
-
-  @Override public void save() {
-    mTarget.save();
-  }
-
-  @Override public void cancel(boolean removeFile) {
-    mTarget.cancel(removeFile);
-  }
-
-  @Override public void reTry() {
-    mTarget.reTry();
-  }
-
-  @Override public void reStart() {
-    mTarget.reStart();
-  }
-}
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.common.ftp;
+
+import android.text.TextUtils;
+import com.arialyy.aria.core.FtpUrlEntity;
+import com.arialyy.aria.core.common.ProtocolType;
+import com.arialyy.aria.core.inf.AbsTarget;
+import com.arialyy.aria.core.inf.ITargetHandler;
+
+/**
+ * D_FTP SSL/TSL 参数委托
+ */
+public class FTPSDelegate<TARGET extends AbsTarget> implements ITargetHandler {
+  private final String TAG = "FTPSDelegate";
+  private TARGET mTarget;
+  private FtpUrlEntity mUrlEntity;
+
+  public FTPSDelegate(TARGET target) {
+    mTarget = target;
+    mUrlEntity = mTarget.getTaskWrapper().asFtp().getUrlEntity();
+  }
+
+  /**
+   * 设置协议类型
+   *
+   * @param protocol {@link ProtocolType}
+   */
+  public FTPSDelegate setProtocol(@ProtocolType String protocol) {
+    if (TextUtils.isEmpty(protocol)) {
+      throw new NullPointerException("协议为空");
+    }
+    mUrlEntity.protocol = protocol;
+    return this;
+  }
+
+  /**
+   * 设置证书别名
+   *
+   * @param keyAlias 别名
+   */
+  public FTPSDelegate setAlias(String keyAlias) {
+    if (TextUtils.isEmpty(keyAlias)) {
+      throw new NullPointerException("别名为空");
+    }
+    mUrlEntity.keyAlias = keyAlias;
+    return this;
+  }
+
+  /**
+   * 设置证书密码
+   *
+   * @param storePass 私钥密码
+   */
+  public FTPSDelegate setStorePass(String storePass) {
+    if (TextUtils.isEmpty(storePass)) {
+      throw new NullPointerException("证书密码为空");
+    }
+    mUrlEntity.storePass = storePass;
+    return this;
+  }
+
+  /**
+   * 设置证书路径
+   *
+   * @param storePath 证书路径
+   */
+  public FTPSDelegate setStorePath(String storePath) {
+    if (TextUtils.isEmpty(storePath)) {
+      throw new NullPointerException("证书路径为空");
+    }
+    mUrlEntity.storePath = storePath;
+    return this;
+  }
+
+  @Override public void add() {
+    mTarget.add();
+  }
+
+  @Override public void start() {
+    mTarget.start();
+  }
+
+  @Override public void stop() {
+    mTarget.stop();
+  }
+
+  @Override public void resume() {
+    mTarget.resume();
+  }
+
+  @Override public void cancel() {
+    mTarget.cancel();
+  }
+
+  @Override public void save() {
+    mTarget.save();
+  }
+
+  @Override public void cancel(boolean removeFile) {
+    mTarget.cancel(removeFile);
+  }
+
+  @Override public void reTry() {
+    mTarget.reTry();
+  }
+
+  @Override public void reStart() {
+    mTarget.reStart();
+  }
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/http/HttpHeaderDelegate.java b/Aria/src/main/java/com/arialyy/aria/core/common/http/HttpHeaderDelegate.java
index 4b6a0f7e..1666eda5 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/http/HttpHeaderDelegate.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/http/HttpHeaderDelegate.java
@@ -29,7 +29,7 @@ import java.util.Set;
 
 /**
  * Created by laoyuyu on 2018/3/9.
- * HTTP header参数设置委托类
+ * D_HTTP header参数设置委托类
  */
 public class HttpHeaderDelegate<TARGET extends AbsTarget>
     implements IHttpHeaderDelegate<TARGET> {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/AbsDTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/AbsDTarget.java
index 121c1d37..633c6ca1 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/AbsDTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/AbsDTarget.java
@@ -1,57 +1,57 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core.download;
-
-import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.core.command.normal.NormalCmdFactory;
-import com.arialyy.aria.core.inf.AbsTarget;
-import com.arialyy.aria.util.CommonUtil;
-
-/**
- * Created by lyy on 2017/2/28.
- */
-abstract class AbsDTarget<TARGET extends AbsDTarget> extends AbsTarget<TARGET> {
-
-  /**
-   * 更新下载url
-   *
-   * @param newUrl 新的下载url
-   */
-  public abstract TARGET updateUrl(String newUrl);
-
-  /**
-   * 将任务设置为最高优先级任务，最高优先级任务有以下特点：
-   * 1、在下载队列中，有且只有一个最高优先级任务
-   * 2、最高优先级任务会一直存在，直到用户手动暂停或任务完成
-   * 3、任务调度器不会暂停最高优先级任务
-   * 4、用户手动暂停或任务完成后，第二次重新执行该任务，该命令将失效
-   * 5、如果下载队列中已经满了，则会停止队尾的任务，当高优先级任务完成后，该队尾任务将自动执行
-   * 6、把任务设置为最高优先级任务后，将自动执行任务，不需要重新调用start()启动任务
-   */
-  public void setHighestPriority() {
-    if (checkEntity()) {
-      AriaManager.getInstance(AriaManager.APP)
-          .setCmd(
-              CommonUtil.createNormalCmd(getTaskWrapper(), NormalCmdFactory.TASK_HIGHEST_PRIORITY,
-                  checkTaskType()))
-          .exe();
-    }
-  }
-
-  @Override public DownloadEntity getEntity() {
-    return (DownloadEntity) super.getEntity();
-  }
-}
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download;
+
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.command.normal.NormalCmdFactory;
+import com.arialyy.aria.core.inf.AbsTarget;
+import com.arialyy.aria.util.CommonUtil;
+
+/**
+ * Created by lyy on 2017/2/28.
+ */
+abstract class AbsDTarget<TARGET extends AbsDTarget> extends AbsTarget<TARGET> {
+
+  /**
+   * 更新下载url
+   *
+   * @param newUrl 新的下载url
+   */
+  public abstract TARGET updateUrl(String newUrl);
+
+  /**
+   * 将任务设置为最高优先级任务，最高优先级任务有以下特点：
+   * 1、在下载队列中，有且只有一个最高优先级任务
+   * 2、最高优先级任务会一直存在，直到用户手动暂停或任务完成
+   * 3、任务调度器不会暂停最高优先级任务
+   * 4、用户手动暂停或任务完成后，第二次重新执行该任务，该命令将失效
+   * 5、如果下载队列中已经满了，则会停止队尾的任务，当高优先级任务完成后，该队尾任务将自动执行
+   * 6、把任务设置为最高优先级任务后，将自动执行任务，不需要重新调用start()启动任务
+   */
+  public void setHighestPriority() {
+    if (checkConfig()) {
+      AriaManager.getInstance(AriaManager.APP)
+          .setCmd(
+              CommonUtil.createNormalCmd(getTaskWrapper(), NormalCmdFactory.TASK_HIGHEST_PRIORITY,
+                  checkTaskType()))
+          .exe();
+    }
+  }
+
+  @Override public DownloadEntity getEntity() {
+    return (DownloadEntity) super.getEntity();
+  }
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DNormalDelegate.java b/Aria/src/main/java/com/arialyy/aria/core/download/DNormalDelegate.java
index 6f5e3d38..742c6124 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DNormalDelegate.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DNormalDelegate.java
@@ -22,6 +22,7 @@ import com.arialyy.aria.core.manager.TaskWrapperManager;
 import com.arialyy.aria.core.queue.DownloadTaskQueue;
 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;
 
@@ -113,10 +114,10 @@ class DNormalDelegate<TARGET extends AbsDTarget> implements INormalTarget {
     }
     File file = new File(filePath);
     if (file.isDirectory()) {
-      if (mTarget.getTargetType() == ITargetHandler.HTTP) {
+      if (mTarget.getTargetType() == ITargetHandler.D_HTTP) {
         ALog.e(TAG, "下载失败，保存路径【" + filePath + "】不能为文件夹，路径需要是完整的文件路径，如：/mnt/sdcard/game.zip");
         return false;
-      } else if (mTarget.getTargetType() == ITargetHandler.FTP) {
+      } else if (mTarget.getTargetType() == ITargetHandler.D_FTP) {
         filePath += mEntity.getFileName();
       }
     } else {
@@ -167,7 +168,7 @@ class DNormalDelegate<TARGET extends AbsDTarget> implements INormalTarget {
     if (TextUtils.isEmpty(url)) {
       ALog.e(TAG, "下载失败，url为null");
       return false;
-    } else if (!url.startsWith("http") && !url.startsWith("ftp")) {
+    } else if (!CheckUtil.checkUrlNotThrow(url)) {
       ALog.e(TAG, "下载失败，url【" + url + "】错误");
       return false;
     }
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 c101c7c4..6c6c222a 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
@@ -118,7 +118,7 @@ public class DownloadTarget extends AbsDTarget<DownloadTarget>
   }
 
   @Override public int getTargetType() {
-    return HTTP;
+    return D_HTTP;
   }
 
   /**
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 e4461d0d..632aa368 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
@@ -1,155 +1,155 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core.download;
-
-import android.support.annotation.CheckResult;
-import android.support.annotation.NonNull;
-import android.text.TextUtils;
-import com.arialyy.aria.core.common.ftp.FTPSDelegate;
-import com.arialyy.aria.core.common.ftp.FtpDelegate;
-import com.arialyy.aria.core.inf.AbsTaskWrapper;
-import com.arialyy.aria.core.inf.IFtpTarget;
-import com.arialyy.aria.util.ALog;
-import com.arialyy.aria.util.CommonUtil;
-import java.net.Proxy;
-
-/**
- * Created by lyy on 2016/12/5.
- * https://github.com/AriaLyy/Aria
- */
-public class FtpDownloadTarget extends AbsDTarget<FtpDownloadTarget>
-    implements IFtpTarget<FtpDownloadTarget> {
-  private FtpDelegate<FtpDownloadTarget> mFtpDelegate;
-  private DNormalDelegate<FtpDownloadTarget> mNormalDelegate;
-
-  FtpDownloadTarget(DownloadEntity entity, String targetName) {
-    this(entity.getUrl(), targetName);
-  }
-
-  FtpDownloadTarget(String url, String targetName) {
-    mNormalDelegate = new DNormalDelegate<>(this, url, targetName);
-    init();
-  }
-
-  private void init() {
-    int lastIndex = mNormalDelegate.getUrl().lastIndexOf("/");
-    getEntity().setFileName(mNormalDelegate.getUrl().substring(lastIndex + 1));
-    getTaskWrapper().asFtp().setUrlEntity(CommonUtil.getFtpUrlInfo(mNormalDelegate.getUrl()));
-    getTaskWrapper().setRequestType(AbsTaskWrapper.D_FTP);
-
-    mFtpDelegate = new FtpDelegate<>(this);
-  }
-
-  /**
-   * 是否是FTPS协议
-   * 如果是FTPS协议，需要使用{@link FTPSDelegate#setStorePath(String)} 、{@link FTPSDelegate#setAlias(String)}
-   * 设置证书信息
-   */
-  @CheckResult
-  public FTPSDelegate<FtpDownloadTarget> asFtps() {
-    getTaskWrapper().asFtp().getUrlEntity().isFtps = true;
-    return new FTPSDelegate<>(this);
-  }
-
-  @Override protected boolean checkEntity() {
-    if (getTaskWrapper().asFtp().getUrlEntity().isFtps) {
-      if (TextUtils.isEmpty(getTaskWrapper().asFtp().getUrlEntity().storePath)) {
-        ALog.e(TAG, "证书路径为空");
-        return false;
-      }
-      if (TextUtils.isEmpty(getTaskWrapper().asFtp().getUrlEntity().keyAlias)) {
-        ALog.e(TAG, "证书别名为空");
-        return false;
-      }
-    }
-    return mNormalDelegate.checkEntity();
-  }
-
-  @Override public boolean isRunning() {
-    return mNormalDelegate.isRunning();
-  }
-
-  @Override public boolean taskExists() {
-    return mNormalDelegate.taskExists();
-  }
-
-  /**
-   * 设置文件保存文件夹路径
-   *
-   * @param filePath 文件保存路径
-   * @deprecated {@link #setFilePath(String)} 请使用这个api
-   */
-  @Deprecated
-  @CheckResult
-  public FtpDownloadTarget setDownloadPath(@NonNull String filePath) {
-    return setFilePath(filePath);
-  }
-
-  /**
-   * 设置文件保存文件夹路径
-   * 关于文件名：
-   * 1、如果保存路径是该文件的保存路径，如：/mnt/sdcard/file.zip，则使用路径中的文件名file.zip
-   * 2、如果保存路径是文件夹路径，如：/mnt/sdcard/，则使用FTP服务器该文件的文件名
-   */
-  @CheckResult
-  public FtpDownloadTarget setFilePath(@NonNull String filePath) {
-    mNormalDelegate.setTempFilePath(filePath);
-    return this;
-  }
-
-  /**
-   * 设置文件存储路径，如果需要修改新的文件名，修改路径便可。
-   * 如：原文件路径 /mnt/sdcard/test.zip
-   * 如果需要将test.zip改为game.zip，只需要重新设置文件路径为：/mnt/sdcard/game.zip
-   *
-   * @param filePath 路径必须为文件路径，不能为文件夹路径
-   * @param forceDownload {@code true}强制下载，不考虑文件路径是否被占用
-   */
-  @CheckResult
-  public FtpDownloadTarget setFilePath(@NonNull String filePath, boolean forceDownload) {
-    mNormalDelegate.setTempFilePath(filePath);
-    mNormalDelegate.setForceDownload(forceDownload);
-    return this;
-  }
-
-  @Override public int getTargetType() {
-    return FTP;
-  }
-
-  @CheckResult
-  @Override public FtpDownloadTarget charSet(String charSet) {
-    return mFtpDelegate.charSet(charSet);
-  }
-
-  @CheckResult
-  @Override public FtpDownloadTarget login(String userName, String password) {
-    return mFtpDelegate.login(userName, password);
-  }
-
-  @CheckResult
-  @Override public FtpDownloadTarget login(String userName, String password, String account) {
-    return mFtpDelegate.login(userName, password, account);
-  }
-
-  @CheckResult
-  @Override public FtpDownloadTarget setProxy(Proxy proxy) {
-    return mFtpDelegate.setProxy(proxy);
-  }
-
-  @Override public FtpDownloadTarget updateUrl(String newUrl) {
-    return mNormalDelegate.updateUrl(newUrl);
-  }
-}
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download;
+
+import android.support.annotation.CheckResult;
+import android.support.annotation.NonNull;
+import android.text.TextUtils;
+import com.arialyy.aria.core.common.ftp.FTPSDelegate;
+import com.arialyy.aria.core.common.ftp.FtpDelegate;
+import com.arialyy.aria.core.inf.AbsTaskWrapper;
+import com.arialyy.aria.core.inf.IFtpTarget;
+import com.arialyy.aria.util.ALog;
+import com.arialyy.aria.util.CommonUtil;
+import java.net.Proxy;
+
+/**
+ * Created by lyy on 2016/12/5.
+ * https://github.com/AriaLyy/Aria
+ */
+public class FtpDownloadTarget extends AbsDTarget<FtpDownloadTarget>
+    implements IFtpTarget<FtpDownloadTarget> {
+  private FtpDelegate<FtpDownloadTarget> mFtpDelegate;
+  private DNormalDelegate<FtpDownloadTarget> mNormalDelegate;
+
+  FtpDownloadTarget(DownloadEntity entity, String targetName) {
+    this(entity.getUrl(), targetName);
+  }
+
+  FtpDownloadTarget(String url, String targetName) {
+    mNormalDelegate = new DNormalDelegate<>(this, url, targetName);
+    init();
+  }
+
+  private void init() {
+    int lastIndex = mNormalDelegate.getUrl().lastIndexOf("/");
+    getEntity().setFileName(mNormalDelegate.getUrl().substring(lastIndex + 1));
+    getTaskWrapper().asFtp().setUrlEntity(CommonUtil.getFtpUrlInfo(mNormalDelegate.getUrl()));
+    getTaskWrapper().setRequestType(AbsTaskWrapper.D_FTP);
+
+    mFtpDelegate = new FtpDelegate<>(this);
+  }
+
+  /**
+   * 是否是FTPS协议
+   * 如果是FTPS协议，需要使用{@link FTPSDelegate#setStorePath(String)} 、{@link FTPSDelegate#setAlias(String)}
+   * 设置证书信息
+   */
+  @CheckResult
+  public FTPSDelegate<FtpDownloadTarget> asFtps() {
+    getTaskWrapper().asFtp().getUrlEntity().isFtps = true;
+    return new FTPSDelegate<>(this);
+  }
+
+  @Override protected boolean checkEntity() {
+    if (getTaskWrapper().asFtp().getUrlEntity().isFtps) {
+      if (TextUtils.isEmpty(getTaskWrapper().asFtp().getUrlEntity().storePath)) {
+        ALog.e(TAG, "证书路径为空");
+        return false;
+      }
+      if (TextUtils.isEmpty(getTaskWrapper().asFtp().getUrlEntity().keyAlias)) {
+        ALog.e(TAG, "证书别名为空");
+        return false;
+      }
+    }
+    return mNormalDelegate.checkEntity();
+  }
+
+  @Override public boolean isRunning() {
+    return mNormalDelegate.isRunning();
+  }
+
+  @Override public boolean taskExists() {
+    return mNormalDelegate.taskExists();
+  }
+
+  /**
+   * 设置文件保存文件夹路径
+   *
+   * @param filePath 文件保存路径
+   * @deprecated {@link #setFilePath(String)} 请使用这个api
+   */
+  @Deprecated
+  @CheckResult
+  public FtpDownloadTarget setDownloadPath(@NonNull String filePath) {
+    return setFilePath(filePath);
+  }
+
+  /**
+   * 设置文件保存文件夹路径
+   * 关于文件名：
+   * 1、如果保存路径是该文件的保存路径，如：/mnt/sdcard/file.zip，则使用路径中的文件名file.zip
+   * 2、如果保存路径是文件夹路径，如：/mnt/sdcard/，则使用FTP服务器该文件的文件名
+   */
+  @CheckResult
+  public FtpDownloadTarget setFilePath(@NonNull String filePath) {
+    mNormalDelegate.setTempFilePath(filePath);
+    return this;
+  }
+
+  /**
+   * 设置文件存储路径，如果需要修改新的文件名，修改路径便可。
+   * 如：原文件路径 /mnt/sdcard/test.zip
+   * 如果需要将test.zip改为game.zip，只需要重新设置文件路径为：/mnt/sdcard/game.zip
+   *
+   * @param filePath 路径必须为文件路径，不能为文件夹路径
+   * @param forceDownload {@code true}强制下载，不考虑文件路径是否被占用
+   */
+  @CheckResult
+  public FtpDownloadTarget setFilePath(@NonNull String filePath, boolean forceDownload) {
+    mNormalDelegate.setTempFilePath(filePath);
+    mNormalDelegate.setForceDownload(forceDownload);
+    return this;
+  }
+
+  @Override public int getTargetType() {
+    return D_FTP;
+  }
+
+  @CheckResult
+  @Override public FtpDownloadTarget charSet(String charSet) {
+    return mFtpDelegate.charSet(charSet);
+  }
+
+  @CheckResult
+  @Override public FtpDownloadTarget login(String userName, String password) {
+    return mFtpDelegate.login(userName, password);
+  }
+
+  @CheckResult
+  @Override public FtpDownloadTarget login(String userName, String password, String account) {
+    return mFtpDelegate.login(userName, password, account);
+  }
+
+  @CheckResult
+  @Override public FtpDownloadTarget setProxy(Proxy proxy) {
+    return mFtpDelegate.setProxy(proxy);
+  }
+
+  @Override public FtpDownloadTarget updateUrl(String newUrl) {
+    return mNormalDelegate.updateUrl(newUrl);
+  }
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/HttpGroupDelegate.java b/Aria/src/main/java/com/arialyy/aria/core/download/HttpGroupDelegate.java
index 966f4543..be8853ff 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/HttpGroupDelegate.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/HttpGroupDelegate.java
@@ -22,6 +22,7 @@ import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
@@ -61,11 +62,11 @@ class HttpGroupDelegate extends AbsGroupDelegate<DownloadGroupTarget> {
   @CheckResult
   DownloadGroupTarget setSubFileName(List<String> subTaskFileName) {
     if (subTaskFileName == null || subTaskFileName.isEmpty()) {
-      ALog.e(TAG, "修改子任务的文件名失败：列表为null");
+      ALog.w(TAG, "修改子任务的文件名失败：列表为null");
       return getTarget();
     }
     if (subTaskFileName.size() != getTaskWrapper().getSubTaskWrapper().size()) {
-      ALog.e(TAG, "修改子任务的文件名失败：子任务文件名列表数量和子任务的数量不匹配");
+      ALog.w(TAG, "修改子任务的文件名失败：子任务文件名列表数量和子任务的数量不匹配");
       return getTarget();
     }
     mSubNameTemp.clear();
@@ -179,6 +180,19 @@ class HttpGroupDelegate extends AbsGroupDelegate<DownloadGroupTarget> {
       ALog.e(TAG, "下载失败，子任务下载列表为null");
       return false;
     }
+
+    Set<String> repeated = new HashSet<>();
+    List<String> results = new ArrayList<>();
+    for (String url : mUrls) {
+      if (!repeated.add(url)) {
+        results.add(url);
+      }
+    }
+    if (!results.isEmpty()) {
+      ALog.e(TAG, String.format("组合任务中有url重复，重复的url：%s", Arrays.toString(results.toArray())));
+      return false;
+    }
+
     Set<Integer> delItem = new HashSet<>();
 
     int i = 0;
@@ -188,7 +202,6 @@ class HttpGroupDelegate extends AbsGroupDelegate<DownloadGroupTarget> {
         delItem.add(i);
         continue;
       } else if (!url.startsWith("http")) {
-        //} else if (!url.startsWith("http") && !url.startsWith("ftp")) {
         ALog.e(TAG, "子任务url【" + url + "】错误，即将删除该子任务。");
         delItem.add(i);
         continue;
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/group/AbsGroupUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/group/AbsGroupUtil.java
index f960c882..b5e54219 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/group/AbsGroupUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/group/AbsGroupUtil.java
@@ -41,7 +41,7 @@ public abstract class AbsGroupUtil implements IUtil, Runnable {
    */
   int FTP_DIR = 0xa1;
   /**
-   * HTTP 任务组
+   * D_HTTP 任务组
    */
   int HTTP_GROUP = 0xa2;
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/group/DownloadGroupUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/group/DownloadGroupUtil.java
index 78c9a6b2..a953975f 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/group/DownloadGroupUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/group/DownloadGroupUtil.java
@@ -148,7 +148,7 @@ public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
 
     mGTWrapper.asHttp().setFileLenAdapter(null);
     synchronized (LOCK) {
-      LOCK.notify();
+      LOCK.notifyAll();
     }
   }
 
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 f36cdeda..bd41322e 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
@@ -15,6 +15,8 @@
  */
 package com.arialyy.aria.core.inf;
 
+import android.os.Handler;
+import android.os.Looper;
 import android.support.annotation.CheckResult;
 import android.text.TextUtils;
 import com.arialyy.aria.core.AriaManager;
@@ -25,6 +27,10 @@ import com.arialyy.aria.core.download.DGTaskWrapper;
 import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.download.DTaskWrapper;
 import com.arialyy.aria.core.manager.TaskWrapperManager;
+import com.arialyy.aria.core.scheduler.DownloadGroupSchedulers;
+import com.arialyy.aria.core.scheduler.DownloadSchedulers;
+import com.arialyy.aria.core.scheduler.ISchedulers;
+import com.arialyy.aria.core.scheduler.UploadSchedulers;
 import com.arialyy.aria.core.upload.UTaskWrapper;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
@@ -196,11 +202,41 @@ public abstract class AbsTarget<TARGET extends AbsTarget> implements ITargetHand
     return taskType;
   }
 
+  /**
+   * 如果检查实体失败，将错误回调
+   */
+  protected boolean checkConfig() {
+    boolean b = checkEntity();
+    ISchedulers schedulers = getScheduler();
+    if (!b && schedulers != null) {
+      new Handler(Looper.getMainLooper(), schedulers).obtainMessage(ISchedulers.FAIL,
+          new TempTask(mTaskWrapper, mEntity)).sendToTarget();
+    }
+
+    return b;
+  }
+
+  private ISchedulers getScheduler() {
+    int type = getTargetType();
+    switch (type) {
+      case D_FTP:
+      case D_HTTP:
+        return DownloadSchedulers.getInstance();
+      case U_FTP:
+      case U_HTTP:
+        return UploadSchedulers.getInstance();
+      case GROUP_HTTP:
+      case GROUP_FTP_DIR:
+        return DownloadGroupSchedulers.getInstance();
+    }
+    return null;
+  }
+
   /**
    * 保存修改
    */
   @Override public void save() {
-    if (!checkEntity()) {
+    if (!checkConfig()) {
       ALog.e(TAG, "保存修改失败");
     } else {
       ALog.i(TAG, "保存成功");
@@ -224,7 +260,8 @@ public abstract class AbsTarget<TARGET extends AbsTarget> implements ITargetHand
   /**
    * 设置target类型
    *
-   * @return {@link #HTTP}、{@link #FTP}、{@link #GROUP_HTTP}、{@link #GROUP_FTP_DIR}
+   * @return {@link #D_HTTP}、{@link #U_HTTP}、{@link #D_FTP}、{@link #U_FTP}、{@link
+   * #GROUP_HTTP}、{@link #GROUP_FTP_DIR}
    */
   public abstract int getTargetType();
 
@@ -232,7 +269,7 @@ public abstract class AbsTarget<TARGET extends AbsTarget> implements ITargetHand
    * 添加任务
    */
   @Override public void add() {
-    if (checkEntity()) {
+    if (checkConfig()) {
       AriaManager.getInstance(AriaManager.APP)
           .setCmd(CommonUtil.createNormalCmd(getTaskWrapper(), NormalCmdFactory.TASK_CREATE,
               checkTaskType()))
@@ -244,7 +281,7 @@ public abstract class AbsTarget<TARGET extends AbsTarget> implements ITargetHand
    * 开始任务
    */
   @Override public void start() {
-    if (checkEntity()) {
+    if (checkConfig()) {
       AriaManager.getInstance(AriaManager.APP)
           .setCmd(
               CommonUtil.createNormalCmd(mTaskWrapper, NormalCmdFactory.TASK_START,
@@ -259,13 +296,13 @@ public abstract class AbsTarget<TARGET extends AbsTarget> implements ITargetHand
    * @see #stop()
    */
   @Deprecated public void pause() {
-    if (checkEntity()) {
+    if (checkConfig()) {
       stop();
     }
   }
 
   @Override public void stop() {
-    if (checkEntity()) {
+    if (checkConfig()) {
       AriaManager.getInstance(AriaManager.APP)
           .setCmd(
               CommonUtil.createNormalCmd(mTaskWrapper, NormalCmdFactory.TASK_STOP, checkTaskType()))
@@ -277,7 +314,7 @@ public abstract class AbsTarget<TARGET extends AbsTarget> implements ITargetHand
    * 恢复任务
    */
   @Override public void resume() {
-    if (checkEntity()) {
+    if (checkConfig()) {
       AriaManager.getInstance(AriaManager.APP)
           .setCmd(
               CommonUtil.createNormalCmd(mTaskWrapper, NormalCmdFactory.TASK_START,
@@ -290,7 +327,7 @@ public abstract class AbsTarget<TARGET extends AbsTarget> implements ITargetHand
    * 删除任务
    */
   @Override public void cancel() {
-    if (checkEntity()) {
+    if (checkConfig()) {
       AriaManager.getInstance(AriaManager.APP)
           .setCmd(CommonUtil.createNormalCmd(mTaskWrapper, NormalCmdFactory.TASK_CANCEL,
               checkTaskType()))
@@ -302,7 +339,7 @@ public abstract class AbsTarget<TARGET extends AbsTarget> implements ITargetHand
    * 任务重试
    */
   @Override public void reTry() {
-    if (checkEntity()) {
+    if (checkConfig()) {
       List<ICmd> cmds = new ArrayList<>();
       int taskType = checkTaskType();
       cmds.add(
@@ -319,7 +356,7 @@ public abstract class AbsTarget<TARGET extends AbsTarget> implements ITargetHand
    * {@code false}如果任务已经完成，只删除任务数据库记录，
    */
   @Override public void cancel(boolean removeFile) {
-    if (checkEntity()) {
+    if (checkConfig()) {
       CancelCmd cancelCmd =
           (CancelCmd) CommonUtil.createNormalCmd(mTaskWrapper, NormalCmdFactory.TASK_CANCEL,
               checkTaskType());
@@ -332,9 +369,80 @@ public abstract class AbsTarget<TARGET extends AbsTarget> implements ITargetHand
    * 重新下载
    */
   @Override public void reStart() {
-    if (checkEntity()) {
+    if (checkConfig()) {
       cancel();
       start();
     }
   }
+
+  private static class TempTask implements ITask {
+
+    private AbsTaskWrapper wrapper;
+    private AbsEntity entity;
+
+    private TempTask(AbsTaskWrapper wrapper, AbsEntity entity) {
+      this.wrapper = wrapper;
+      this.entity = entity;
+    }
+
+    @Override public int getTaskType() {
+      return TEMP;
+    }
+
+    @Override public int getState() {
+      return entity.getState();
+    }
+
+    @Override public String getKey() {
+      return entity.getKey();
+    }
+
+    @Override public boolean isRunning() {
+      return false;
+    }
+
+    @Override public AbsTaskWrapper getTaskWrapper() {
+      return wrapper;
+    }
+
+    @Override public void start() {
+
+    }
+
+    @Override public void stop() {
+
+    }
+
+    @Override public void stop(int type) {
+
+    }
+
+    @Override public void cancel() {
+
+    }
+
+    @Override public Object getExpand(String key) {
+      return null;
+    }
+
+    @Override public boolean isStop() {
+      return false;
+    }
+
+    @Override public boolean isCancel() {
+      return false;
+    }
+
+    @Override public boolean isNeedRetry() {
+      return false;
+    }
+
+    @Override public String getTaskName() {
+      return "TempTask";
+    }
+
+    @Override public int getSchedulerType() {
+      return TaskSchedulerType.TYPE_DEFAULT;
+    }
+  }
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTask.java b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTask.java
index 2ef76362..79c156dc 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTask.java
@@ -32,9 +32,9 @@ public abstract class AbsTask<ENTITY extends AbsEntity, TASK_WRAPPER extends Abs
   public static final String ERROR_INFO_KEY = "ERROR_INFO_KEY";
 
   /**
-   * 是否需要重试，默认为true
+   * 是否需要重试，默认为false
    */
-  public boolean needRetry = true;
+  private boolean needRetry = true;
   protected TASK_WRAPPER mTaskWrapper;
   protected Handler mOutHandler;
   protected Context mContext;
@@ -76,9 +76,18 @@ public abstract class AbsTask<ENTITY extends AbsEntity, TASK_WRAPPER extends Abs
     mExpand.put(key, obj);
   }
 
+  @Override public boolean isNeedRetry() {
+    return needRetry;
+  }
+
+  public void setNeedRetry(boolean needRetry) {
+    this.needRetry = needRetry;
+  }
+
   /**
    * 读取扩展数据
    */
+  @Override
   public Object getExpand(String key) {
     return mExpand.get(key);
   }
@@ -106,7 +115,7 @@ public abstract class AbsTask<ENTITY extends AbsEntity, TASK_WRAPPER extends Abs
   /**
    * 获取当前下载进度
    */
-  @Override public long getCurrentProgress() {
+  public long getCurrentProgress() {
     return mTaskWrapper.getEntity().getCurrentProgress();
   }
 
@@ -115,7 +124,7 @@ public abstract class AbsTask<ENTITY extends AbsEntity, TASK_WRAPPER extends Abs
    *
    * @return 如：已经下载3mb的大小，则返回{@code 3mb}
    */
-  @Override public String getConvertCurrentProgress() {
+  public String getConvertCurrentProgress() {
     if (mTaskWrapper.getEntity().getCurrentProgress() == 0) {
       return "0b";
     }
@@ -127,7 +136,7 @@ public abstract class AbsTask<ENTITY extends AbsEntity, TASK_WRAPPER extends Abs
    *
    * @return 如果文件长度为0，则返回0m，否则返回转换后的长度1b、1kb、1mb、1gb、1tb
    */
-  @Override public String getConvertFileSize() {
+  public String getConvertFileSize() {
     if (mTaskWrapper.getEntity().getFileSize() == 0) {
       return "0mb";
     }
@@ -137,7 +146,7 @@ public abstract class AbsTask<ENTITY extends AbsEntity, TASK_WRAPPER extends Abs
   /**
    * 获取文件大小
    */
-  @Override public long getFileSize() {
+  public long getFileSize() {
     return mTaskWrapper.getEntity().getFileSize();
   }
 
@@ -146,7 +155,7 @@ public abstract class AbsTask<ENTITY extends AbsEntity, TASK_WRAPPER extends Abs
    *
    * @return 返回百分比进度，如果文件长度为0，返回0
    */
-  @Override public int getPercent() {
+  public int getPercent() {
     if (mTaskWrapper.getEntity().getFileSize() == 0) {
       return 0;
     }
@@ -217,6 +226,7 @@ public abstract class AbsTask<ENTITY extends AbsEntity, TASK_WRAPPER extends Abs
   /**
    * 任务的调度类型
    */
+  @Override
   public int getSchedulerType() {
     return mSchedulerType;
   }
@@ -226,6 +236,7 @@ public abstract class AbsTask<ENTITY extends AbsEntity, TASK_WRAPPER extends Abs
    *
    * @return {@code true}任务已经取消
    */
+  @Override
   public boolean isCancel() {
     return isCancel;
   }
@@ -235,6 +246,7 @@ public abstract class AbsTask<ENTITY extends AbsEntity, TASK_WRAPPER extends Abs
    *
    * @return {@code true}任务已经停止
    */
+  @Override
   public boolean isStop() {
     return isStop;
   }
@@ -256,7 +268,7 @@ public abstract class AbsTask<ENTITY extends AbsEntity, TASK_WRAPPER extends Abs
    * </pre>
    * 才能生效
    */
-  @Override public long getSpeed() {
+  public long getSpeed() {
     return mTaskWrapper.getEntity().getSpeed();
   }
 
@@ -277,7 +289,7 @@ public abstract class AbsTask<ENTITY extends AbsEntity, TASK_WRAPPER extends Abs
    * </pre>
    * 才能生效
    */
-  @Override public String getConvertSpeed() {
+  public String getConvertSpeed() {
     return mTaskWrapper.getEntity().getConvertSpeed();
   }
 
@@ -285,11 +297,6 @@ public abstract class AbsTask<ENTITY extends AbsEntity, TASK_WRAPPER extends Abs
     return mTaskWrapper;
   }
 
-  /**
-   * 获取任务名，也就是文件名
-   */
-  public abstract String getTaskName();
-
   public boolean isHighestPriorityTask() {
     return isHeighestTask;
   }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskWrapper.java b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskWrapper.java
index c6ca6b15..5ed8545e 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskWrapper.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskWrapper.java
@@ -39,11 +39,6 @@ public abstract class AbsTaskWrapper<ENTITY extends AbsEntity>
    */
   private boolean refreshInfo = false;
 
-  /**
-   * 任务状态，和Entity的state同步
-   */
-  private int state = IEntity.STATE_WAIT;
-
   /**
    * 是否是新任务，{@code true} 新任务
    */
@@ -142,7 +137,6 @@ public abstract class AbsTaskWrapper<ENTITY extends AbsEntity>
   }
 
   public void setState(int state) {
-    this.state = state;
     entity.setState(state);
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/IHttpHeaderDelegate.java b/Aria/src/main/java/com/arialyy/aria/core/inf/IHttpHeaderDelegate.java
index fdc930ba..4f4a93d8 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/IHttpHeaderDelegate.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/IHttpHeaderDelegate.java
@@ -1,50 +1,50 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core.inf;
-
-import android.support.annotation.CheckResult;
-import android.support.annotation.NonNull;
-import java.net.Proxy;
-import java.util.Map;
-
-/**
- * Created by laoyuyu on 2018/3/9.
- * HTTP Header功能接口
- */
-public interface IHttpHeaderDelegate<TARGET extends ITargetHandler> {
-
-  /**
-   * 给url请求添加Header数据
-   * 如果新的header数据和数据保存的不一致，则更新数据库中对应的header数据
-   *
-   * @param key header对应的key
-   * @param value header对应的value
-   */
-  @CheckResult
-  TARGET addHeader(@NonNull String key, @NonNull String value);
-
-  /**
-   * 给url请求添加一组header数据
-   * 如果新的header数据和数据保存的不一致，则更新数据库中对应的header数据
-   *
-   * @param headers 一组http header数据
-   */
-  @CheckResult
-  TARGET addHeaders(Map<String, String> headers);
-
-  @CheckResult
-  TARGET setUrlProxy(Proxy proxy);
-}
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.inf;
+
+import android.support.annotation.CheckResult;
+import android.support.annotation.NonNull;
+import java.net.Proxy;
+import java.util.Map;
+
+/**
+ * Created by laoyuyu on 2018/3/9.
+ * D_HTTP Header功能接口
+ */
+public interface IHttpHeaderDelegate<TARGET extends ITargetHandler> {
+
+  /**
+   * 给url请求添加Header数据
+   * 如果新的header数据和数据保存的不一致，则更新数据库中对应的header数据
+   *
+   * @param key header对应的key
+   * @param value header对应的value
+   */
+  @CheckResult
+  TARGET addHeader(@NonNull String key, @NonNull String value);
+
+  /**
+   * 给url请求添加一组header数据
+   * 如果新的header数据和数据保存的不一致，则更新数据库中对应的header数据
+   *
+   * @param headers 一组http header数据
+   */
+  @CheckResult
+  TARGET addHeaders(Map<String, String> headers);
+
+  @CheckResult
+  TARGET setUrlProxy(Proxy proxy);
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/ITargetHandler.java b/Aria/src/main/java/com/arialyy/aria/core/inf/ITargetHandler.java
index 0c2ae824..808db8cd 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/ITargetHandler.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/ITargetHandler.java
@@ -1,77 +1,79 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core.inf;
-
-/**
- * Created by AriaL on 2017/6/29.
- * 任务接收器的控制接口，处理添加任务、开始任务、停止任务、删除任务等功能
- */
-public interface ITargetHandler {
-  int HTTP = 1;
-  int FTP = 2;
-  //HTTP任务组
-  int GROUP_HTTP = 3;
-  //FTP文件夹
-  int GROUP_FTP_DIR = 4;
-
-  /**
-   * 添加任务
-   */
-  void add();
-
-  /**
-   * 开始下载
-   */
-  void start();
-
-  /**
-   * 停止下载
-   */
-  void stop();
-
-  /**
-   * 恢复下载
-   */
-  void resume();
-
-  /**
-   * 取消下载
-   */
-  void cancel();
-
-  /**
-   * 保存修改
-   */
-  void save();
-
-  /**
-   * 删除任务
-   *
-   * @param removeFile {@code true} 不仅删除任务数据库记录，还会删除已经删除完成的文件
-   * {@code false}如果任务已经完成，只删除任务数据库记录，
-   */
-  void cancel(boolean removeFile);
-
-  /**
-   * 任务重试
-   */
-  void reTry();
-
-  /**
-   * 重新下载
-   */
-  void reStart();
-}
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.inf;
+
+/**
+ * Created by AriaL on 2017/6/29.
+ * 任务接收器的控制接口，处理添加任务、开始任务、停止任务、删除任务等功能
+ */
+public interface ITargetHandler {
+  int D_HTTP = 1;
+  int U_HTTP = 2;
+  int U_FTP = 3;
+  int D_FTP = 4;
+  //HTTP任务组
+  int GROUP_HTTP = 5;
+  //FTP文件夹
+  int GROUP_FTP_DIR = 6;
+
+  /**
+   * 添加任务
+   */
+  void add();
+
+  /**
+   * 开始下载
+   */
+  void start();
+
+  /**
+   * 停止下载
+   */
+  void stop();
+
+  /**
+   * 恢复下载
+   */
+  void resume();
+
+  /**
+   * 取消下载
+   */
+  void cancel();
+
+  /**
+   * 保存修改
+   */
+  void save();
+
+  /**
+   * 删除任务
+   *
+   * @param removeFile {@code true} 不仅删除任务数据库记录，还会删除已经删除完成的文件
+   * {@code false}如果任务已经完成，只删除任务数据库记录，
+   */
+  void cancel(boolean removeFile);
+
+  /**
+   * 任务重试
+   */
+  void reTry();
+
+  /**
+   * 重新下载
+   */
+  void reStart();
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/ITask.java b/Aria/src/main/java/com/arialyy/aria/core/inf/ITask.java
index 9540ec57..84b811b1 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/ITask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/ITask.java
@@ -1,133 +1,139 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core.inf;
-
-import com.arialyy.aria.core.download.DownloadGroupTask;
-import com.arialyy.aria.core.download.DownloadTask;
-import com.arialyy.aria.core.upload.UploadTask;
-
-/**
- * Created by lyy on 2017/2/13.
- * 任务接口{@link DownloadTask}、{@link UploadTask}、{@link DownloadGroupTask}
- */
-public interface ITask<TASK_WRAPPER extends AbsTaskWrapper> {
-
-  /**
-   * 普通下载任务
-   */
-  int DOWNLOAD = 1;
-  /**
-   * 上传任务
-   */
-  int UPLOAD = 2;
-  /**
-   * 组合任务
-   */
-  int DOWNLOAD_GROUP = 3;
-  /**
-   * 组合任务的子任务
-   */
-  int DOWNLOAD_GROUP_SUB = 4;
-  /**
-   * 未知
-   */
-  int OTHER = -1;
-
-  /**
-   * 获取任务类型
-   *
-   * @return {@link #DOWNLOAD}、{@link #UPLOAD}、{@link #DOWNLOAD_GROUP}
-   */
-  int getTaskType();
-
-  /**
-   * 获取下载状态
-   */
-  int getState();
-
-  /**
-   * 唯一标识符，DownloadTask 为下载地址，UploadTask 为文件路径
-   */
-  String getKey();
-
-  /**
-   * 任务是否正在执行
-   *
-   * @return true，正在执行；
-   */
-  boolean isRunning();
-
-  /**
-   * 获取信息实体
-   */
-  TASK_WRAPPER getTaskWrapper();
-
-  void start();
-
-  /**
-   * 停止任务
-   */
-  void stop();
-
-  /**
-   * 停止任务
-   *
-   * @param type {@code 0}默认操作，{@code 1}停止任务不自动执行下一任务
-   */
-  void stop(int type);
-
-  /**
-   * 删除任务
-   */
-  void cancel();
-
-  /**
-   * 原始byte速度
-   */
-  long getSpeed();
-
-  /**
-   * 转换单位后的速度
-   */
-  String getConvertSpeed();
-
-  /**
-   * 获取百分比进度
-   */
-  int getPercent();
-
-  /**
-   * 原始文件byte长度
-   */
-  long getFileSize();
-
-  /**
-   * 转换单位后的文件长度
-   */
-  String getConvertFileSize();
-
-  /**
-   * 获取当前进度
-   */
-  long getCurrentProgress();
-
-  /**
-   * 获取单位转换后的进度
-   *
-   * @return 返回 3mb
-   */
-  String getConvertCurrentProgress();
-}
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.inf;
+
+import com.arialyy.aria.core.download.DownloadGroupTask;
+import com.arialyy.aria.core.download.DownloadTask;
+import com.arialyy.aria.core.upload.UploadTask;
+
+/**
+ * Created by lyy on 2017/2/13.
+ * 任务接口{@link DownloadTask}、{@link UploadTask}、{@link DownloadGroupTask}
+ */
+public interface ITask<TASK_WRAPPER extends AbsTaskWrapper> {
+
+  /**
+   * 普通下载任务
+   */
+  int DOWNLOAD = 1;
+  /**
+   * 上传任务
+   */
+  int UPLOAD = 2;
+  /**
+   * 组合任务
+   */
+  int DOWNLOAD_GROUP = 3;
+  /**
+   * 组合任务的子任务
+   */
+  int DOWNLOAD_GROUP_SUB = 4;
+  /**
+   * 填充的
+   */
+  int TEMP = 5;
+  /**
+   * 未知
+   */
+  int OTHER = -1;
+
+  /**
+   * 获取任务类型
+   *
+   * @return {@link #DOWNLOAD}、{@link #UPLOAD}、{@link #DOWNLOAD_GROUP}
+   */
+  int getTaskType();
+
+  /**
+   * 获取下载状态
+   */
+  int getState();
+
+  /**
+   * 唯一标识符，DownloadTask 为下载地址，UploadTask 为文件路径
+   */
+  String getKey();
+
+  /**
+   * 任务是否正在执行
+   *
+   * @return true，正在执行；
+   */
+  boolean isRunning();
+
+  /**
+   * 获取信息实体
+   */
+  TASK_WRAPPER getTaskWrapper();
+
+  void start();
+
+  /**
+   * 停止任务
+   */
+  void stop();
+
+  /**
+   * 停止任务
+   *
+   * @param type {@code 0}默认操作，{@code 1}停止任务不自动执行下一任务
+   */
+  void stop(int type);
+
+  /**
+   * 删除任务
+   */
+  void cancel();
+
+  /**
+   * 读取扩展数据
+   */
+  Object getExpand(String key);
+
+  /**
+   * 任务是否停止了
+   *
+   * @return {@code true}任务已经停止
+   */
+  boolean isStop();
+
+  /**
+   * 任务是否取消了
+   *
+   * @return {@code true}任务已经取消
+   */
+  boolean isCancel();
+
+  /**
+   * 任务是否需要重试
+   *
+   * @return {@code true}任务已经取消
+   */
+  boolean isNeedRetry();
+
+  /**
+   * 获取任务名，也就是文件名
+   */
+  String getTaskName();
+
+  /**
+   * 任务的调度类型
+   * {@link TaskSchedulerType}
+   */
+  int getSchedulerType();
+
+
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/core/queue/ITaskQueue.java b/Aria/src/main/java/com/arialyy/aria/core/queue/ITaskQueue.java
index bfa5f270..b669150b 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/queue/ITaskQueue.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/queue/ITaskQueue.java
@@ -22,13 +22,14 @@ import com.arialyy.aria.core.download.DownloadTask;
 import com.arialyy.aria.core.download.DTaskWrapper;
 import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.AbsTaskWrapper;
+import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.upload.UploadTask;
 import com.arialyy.aria.core.upload.UTaskWrapper;
 
 /**
  * Created by lyy on 2016/8/16. 任务功能接口
  */
-public interface ITaskQueue<TASK extends AbsTask, TASK_WRAPPER extends AbsTaskWrapper> {
+public interface ITaskQueue<TASK extends ITask, TASK_WRAPPER extends AbsTaskWrapper> {
 
   /**
    * 通过key跑断任务是在存在
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 07ccf423..8c51e4c6 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
@@ -45,7 +45,7 @@ import java.util.concurrent.TimeUnit;
 /**
  * Created by lyy on 2017/6/4. 事件调度器，用于处理任务状态的调度
  */
-abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskWrapper, TASK extends AbsTask,
+abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskWrapper, TASK extends ITask,
     QUEUE extends ITaskQueue<TASK, TASK_ENTITY>> implements ISchedulers {
   private final String TAG = "AbsSchedulers";
 
@@ -273,7 +273,8 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskWrapper, TASK extends Ab
           listener.onTaskComplete(task);
           break;
         case FAIL:
-          listener.onTaskFail(task, (Exception) task.getExpand(AbsTask.ERROR_INFO_KEY));
+          listener.onTaskFail(task.getTaskType() == ITask.TEMP ? null : task,
+              (Exception) task.getExpand(AbsTask.ERROR_INFO_KEY));
           break;
         case NO_SUPPORT_BREAK_POINT:
           listener.onNoSupportBreakPoint(task);
@@ -290,12 +291,13 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskWrapper, TASK extends Ab
     if (!canSend) {
       return;
     }
-    if (task.getTaskType() == ITask.DOWNLOAD || task.getTaskType() == ITask.DOWNLOAD_GROUP) {
+    int type = task.getTaskType();
+    if (type == ITask.DOWNLOAD || type == ITask.DOWNLOAD_GROUP) {
       AriaManager.APP.sendBroadcast(
-          createData(state, task.getTaskType(), task.getTaskWrapper().getEntity()));
-    } else if (task.getTaskType() == ITask.UPLOAD) {
+          createData(state, type, task.getTaskWrapper().getEntity()));
+    } else if (type == ITask.UPLOAD) {
       AriaManager.APP.sendBroadcast(
-          createData(state, task.getTaskType(), task.getTaskWrapper().getEntity()));
+          createData(state, type, task.getTaskWrapper().getEntity()));
     } else {
       ALog.w(TAG, "发送广播失败，没有对应的任务");
     }
@@ -326,7 +328,7 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskWrapper, TASK extends Ab
    * @param task 下载任务
    */
   private void handleFailTask(final TASK task) {
-    if (!task.needRetry || task.isStop() || task.isCancel()) {
+    if (!task.isNeedRetry() || task.isStop() || task.isCancel()) {
       mQueue.removeTaskFormQueue(task.getKey());
       startNextTask(task);
       callback(FAIL, task);
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 122465d9..eaeb83c8 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
@@ -1,104 +1,104 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core.upload;
-
-import android.support.annotation.CheckResult;
-import com.arialyy.aria.core.FtpUrlEntity;
-import com.arialyy.aria.core.common.ftp.FTPSDelegate;
-import com.arialyy.aria.core.common.ftp.FtpDelegate;
-import com.arialyy.aria.core.inf.AbsTaskWrapper;
-import com.arialyy.aria.core.inf.IFtpTarget;
-import com.arialyy.aria.util.CheckUtil;
-import java.net.Proxy;
-
-/**
- * Created by Aria.Lao on 2017/7/27.
- * ftp单任务上传
- */
-public class FtpUploadTarget extends AbsUploadTarget<FtpUploadTarget>
-    implements IFtpTarget<FtpUploadTarget> {
-  private FtpDelegate<FtpUploadTarget> mFtpDelegate;
-  private UNormalDelegate<FtpUploadTarget> mNormalDelegate;
-
-  FtpUploadTarget(String filePath, String targetName) {
-    mNormalDelegate = new UNormalDelegate<>(this, filePath, targetName);
-    initTask();
-  }
-
-  private void initTask() {
-    getTaskWrapper().setRequestType(AbsTaskWrapper.U_FTP);
-    mFtpDelegate = new FtpDelegate<>(this);
-  }
-
-  /**
-   * 设置上传路径
-   *
-   * @param tempUrl 上传路径
-   */
-  public FtpUploadTarget setUploadUrl(String tempUrl) {
-    mNormalDelegate.setTempUrl(tempUrl);
-    return this;
-  }
-
-  /**
-   * 是否是FTPS协议
-   * 如果是FTPS协议，需要使用{@link FTPSDelegate#setStorePath(String)} 、{@link FTPSDelegate#setAlias(String)}
-   * 设置证书信息
-   */
-  @CheckResult
-  public FTPSDelegate<FtpUploadTarget> asFtps() {
-    if (getTaskWrapper().asFtp().getUrlEntity() == null) {
-      FtpUrlEntity urlEntity = new FtpUrlEntity();
-      urlEntity.isFtps = true;
-      getTaskWrapper().asFtp().setUrlEntity(urlEntity);
-    }
-    return new FTPSDelegate<>(this);
-  }
-
-  @CheckResult
-  @Override public FtpUploadTarget charSet(String charSet) {
-    return mFtpDelegate.charSet(charSet);
-  }
-
-  @Override public FtpUploadTarget login(String userName, String password) {
-    return mFtpDelegate.login(userName, password);
-  }
-
-  @Override public FtpUploadTarget login(String userName, String password, String account) {
-    CheckUtil.checkFtpUploadUrl(mNormalDelegate.getTempUrl());
-    return mFtpDelegate.login(userName, password, account);
-  }
-
-  @Override public FtpUploadTarget setProxy(Proxy proxy) {
-    return mFtpDelegate.setProxy(proxy);
-  }
-
-  @Override protected boolean checkEntity() {
-    return mNormalDelegate.checkEntity();
-  }
-
-  @Override public boolean isRunning() {
-    return mNormalDelegate.isRunning();
-  }
-
-  @Override public boolean taskExists() {
-    return mNormalDelegate.taskExists();
-  }
-
-  @Override public int getTargetType() {
-    return FTP;
-  }
-}
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.upload;
+
+import android.support.annotation.CheckResult;
+import com.arialyy.aria.core.FtpUrlEntity;
+import com.arialyy.aria.core.common.ftp.FTPSDelegate;
+import com.arialyy.aria.core.common.ftp.FtpDelegate;
+import com.arialyy.aria.core.inf.AbsTaskWrapper;
+import com.arialyy.aria.core.inf.IFtpTarget;
+import com.arialyy.aria.util.CheckUtil;
+import java.net.Proxy;
+
+/**
+ * Created by Aria.Lao on 2017/7/27.
+ * ftp单任务上传
+ */
+public class FtpUploadTarget extends AbsUploadTarget<FtpUploadTarget>
+    implements IFtpTarget<FtpUploadTarget> {
+  private FtpDelegate<FtpUploadTarget> mFtpDelegate;
+  private UNormalDelegate<FtpUploadTarget> mNormalDelegate;
+
+  FtpUploadTarget(String filePath, String targetName) {
+    mNormalDelegate = new UNormalDelegate<>(this, filePath, targetName);
+    initTask();
+  }
+
+  private void initTask() {
+    getTaskWrapper().setRequestType(AbsTaskWrapper.U_FTP);
+    mFtpDelegate = new FtpDelegate<>(this);
+  }
+
+  /**
+   * 设置上传路径
+   *
+   * @param tempUrl 上传路径
+   */
+  public FtpUploadTarget setUploadUrl(String tempUrl) {
+    mNormalDelegate.setTempUrl(tempUrl);
+    return this;
+  }
+
+  /**
+   * 是否是FTPS协议
+   * 如果是FTPS协议，需要使用{@link FTPSDelegate#setStorePath(String)} 、{@link FTPSDelegate#setAlias(String)}
+   * 设置证书信息
+   */
+  @CheckResult
+  public FTPSDelegate<FtpUploadTarget> asFtps() {
+    if (getTaskWrapper().asFtp().getUrlEntity() == null) {
+      FtpUrlEntity urlEntity = new FtpUrlEntity();
+      urlEntity.isFtps = true;
+      getTaskWrapper().asFtp().setUrlEntity(urlEntity);
+    }
+    return new FTPSDelegate<>(this);
+  }
+
+  @CheckResult
+  @Override public FtpUploadTarget charSet(String charSet) {
+    return mFtpDelegate.charSet(charSet);
+  }
+
+  @Override public FtpUploadTarget login(String userName, String password) {
+    return mFtpDelegate.login(userName, password);
+  }
+
+  @Override public FtpUploadTarget login(String userName, String password, String account) {
+    CheckUtil.checkFtpUploadUrl(mNormalDelegate.getTempUrl());
+    return mFtpDelegate.login(userName, password, account);
+  }
+
+  @Override public FtpUploadTarget setProxy(Proxy proxy) {
+    return mFtpDelegate.setProxy(proxy);
+  }
+
+  @Override protected boolean checkEntity() {
+    return mNormalDelegate.checkEntity();
+  }
+
+  @Override public boolean isRunning() {
+    return mNormalDelegate.isRunning();
+  }
+
+  @Override public boolean taskExists() {
+    return mNormalDelegate.taskExists();
+  }
+
+  @Override public int getTargetType() {
+    return U_FTP;
+  }
+}
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/UNormalDelegate.java b/Aria/src/main/java/com/arialyy/aria/core/upload/UNormalDelegate.java
index f0d98079..8f7ecc58 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/UNormalDelegate.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/UNormalDelegate.java
@@ -22,6 +22,7 @@ import com.arialyy.aria.core.manager.TaskWrapperManager;
 import com.arialyy.aria.core.queue.UploadTaskQueue;
 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;
 
@@ -121,7 +122,7 @@ class UNormalDelegate<TARGET extends AbsUploadTarget> implements INormalTarget {
     if (TextUtils.isEmpty(url)) {
       ALog.e(TAG, "上传失败，url为null");
       return false;
-    } else if (!url.startsWith("http") && !url.startsWith("ftp")) {
+    } else if (!CheckUtil.checkUrlNotThrow(url)) {
       ALog.e(TAG, "上传失败，url【" + url + "】错误");
       return false;
     }
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 542536fd..58d5af1c 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
@@ -1,125 +1,125 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core.upload;
-
-import android.support.annotation.CheckResult;
-import android.support.annotation.NonNull;
-import com.arialyy.aria.core.common.http.HttpHeaderDelegate;
-import com.arialyy.aria.core.common.http.PostDelegate;
-import com.arialyy.aria.core.inf.AbsTaskWrapper;
-import com.arialyy.aria.core.inf.IHttpHeaderDelegate;
-import java.net.Proxy;
-import java.util.Map;
-
-/**
- * Created by lyy on 2017/2/28.
- * http 单文件上传
- */
-public class UploadTarget extends AbsUploadTarget<UploadTarget>
-    implements IHttpHeaderDelegate<UploadTarget> {
-  private HttpHeaderDelegate<UploadTarget> mHeaderDelegate;
-  private UNormalDelegate<UploadTarget> mNormalDelegate;
-
-  UploadTarget(String filePath, String targetName) {
-    mNormalDelegate = new UNormalDelegate<>(this, filePath, targetName);
-    initTask();
-  }
-
-  private void initTask() {
-    //http暂时不支持断点上传
-    getTaskWrapper().setSupportBP(false);
-    getTaskWrapper().setRequestType(AbsTaskWrapper.U_HTTP);
-    mHeaderDelegate = new HttpHeaderDelegate<>(this);
-  }
-
-  /**
-   * 设置上传路径
-   *
-   * @param tempUrl 上传路径
-   */
-  public UploadTarget setUploadUrl(String tempUrl) {
-    mNormalDelegate.setTempUrl(tempUrl);
-    return this;
-  }
-
-  /**
-   * Post处理
-   */
-  public PostDelegate asPost() {
-    return new PostDelegate<>(this);
-  }
-
-  /**
-   * 设置userAgent
-   */
-  @CheckResult
-  public UploadTarget setUserAngent(@NonNull String userAgent) {
-    getTaskWrapper().asHttp().setUserAgent(userAgent);
-    return this;
-  }
-
-  /**
-   * 设置服务器需要的附件key
-   *
-   * @param attachment 附件key
-   */
-  @CheckResult
-  public UploadTarget setAttachment(@NonNull String attachment) {
-    getTaskWrapper().asHttp().setAttachment(attachment);
-    return this;
-  }
-
-  /**
-   * 设置上传文件类型
-   *
-   * @param contentType tip：multipart/form-data
-   */
-  @CheckResult
-  public UploadTarget setContentType(String contentType) {
-    getTaskWrapper().asHttp().setContentType(contentType);
-    return this;
-  }
-
-  @CheckResult
-  @Override public UploadTarget addHeader(@NonNull String key, @NonNull String value) {
-    return mHeaderDelegate.addHeader(key, value);
-  }
-
-  @CheckResult
-  @Override public UploadTarget addHeaders(Map<String, String> headers) {
-    return mHeaderDelegate.addHeaders(headers);
-  }
-
-  @Override public UploadTarget setUrlProxy(Proxy proxy) {
-    return mHeaderDelegate.setUrlProxy(proxy);
-  }
-
-  @Override protected boolean checkEntity() {
-    return mNormalDelegate.checkEntity();
-  }
-
-  @Override public boolean isRunning() {
-    return mNormalDelegate.isRunning();
-  }
-
-  @Override public boolean taskExists() {
-    return mNormalDelegate.taskExists();
-  }
-
-  @Override public int getTargetType() {
-    return HTTP;
-  }
-}
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.upload;
+
+import android.support.annotation.CheckResult;
+import android.support.annotation.NonNull;
+import com.arialyy.aria.core.common.http.HttpHeaderDelegate;
+import com.arialyy.aria.core.common.http.PostDelegate;
+import com.arialyy.aria.core.inf.AbsTaskWrapper;
+import com.arialyy.aria.core.inf.IHttpHeaderDelegate;
+import java.net.Proxy;
+import java.util.Map;
+
+/**
+ * Created by lyy on 2017/2/28.
+ * http 单文件上传
+ */
+public class UploadTarget extends AbsUploadTarget<UploadTarget>
+    implements IHttpHeaderDelegate<UploadTarget> {
+  private HttpHeaderDelegate<UploadTarget> mHeaderDelegate;
+  private UNormalDelegate<UploadTarget> mNormalDelegate;
+
+  UploadTarget(String filePath, String targetName) {
+    mNormalDelegate = new UNormalDelegate<>(this, filePath, targetName);
+    initTask();
+  }
+
+  private void initTask() {
+    //http暂时不支持断点上传
+    getTaskWrapper().setSupportBP(false);
+    getTaskWrapper().setRequestType(AbsTaskWrapper.U_HTTP);
+    mHeaderDelegate = new HttpHeaderDelegate<>(this);
+  }
+
+  /**
+   * 设置上传路径
+   *
+   * @param tempUrl 上传路径
+   */
+  public UploadTarget setUploadUrl(String tempUrl) {
+    mNormalDelegate.setTempUrl(tempUrl);
+    return this;
+  }
+
+  /**
+   * Post处理
+   */
+  public PostDelegate asPost() {
+    return new PostDelegate<>(this);
+  }
+
+  /**
+   * 设置userAgent
+   */
+  @CheckResult
+  public UploadTarget setUserAngent(@NonNull String userAgent) {
+    getTaskWrapper().asHttp().setUserAgent(userAgent);
+    return this;
+  }
+
+  /**
+   * 设置服务器需要的附件key
+   *
+   * @param attachment 附件key
+   */
+  @CheckResult
+  public UploadTarget setAttachment(@NonNull String attachment) {
+    getTaskWrapper().asHttp().setAttachment(attachment);
+    return this;
+  }
+
+  /**
+   * 设置上传文件类型
+   *
+   * @param contentType tip：multipart/form-data
+   */
+  @CheckResult
+  public UploadTarget setContentType(String contentType) {
+    getTaskWrapper().asHttp().setContentType(contentType);
+    return this;
+  }
+
+  @CheckResult
+  @Override public UploadTarget addHeader(@NonNull String key, @NonNull String value) {
+    return mHeaderDelegate.addHeader(key, value);
+  }
+
+  @CheckResult
+  @Override public UploadTarget addHeaders(Map<String, String> headers) {
+    return mHeaderDelegate.addHeaders(headers);
+  }
+
+  @Override public UploadTarget setUrlProxy(Proxy proxy) {
+    return mHeaderDelegate.setUrlProxy(proxy);
+  }
+
+  @Override protected boolean checkEntity() {
+    return mNormalDelegate.checkEntity();
+  }
+
+  @Override public boolean isRunning() {
+    return mNormalDelegate.isRunning();
+  }
+
+  @Override public boolean taskExists() {
+    return mNormalDelegate.taskExists();
+  }
+
+  @Override public int getTargetType() {
+    return U_HTTP;
+  }
+}
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 b1e86c53..62a16fdb 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
@@ -35,7 +35,7 @@ import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 
 /**
- * Created by Aria.Lao on 2017/7/28. FTP 单线程上传任务，需要FTP 服务器给用户打开append和write的权限
+ * Created by Aria.Lao on 2017/7/28. D_FTP 单线程上传任务，需要FTP 服务器给用户打开append和write的权限
  */
 class FtpThreadTask extends AbsFtpThreadTask<UploadEntity, UTaskWrapper> {
   private final String TAG = "FtpThreadTask";
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 e35449a0..8891a0a5 100644
--- a/Aria/src/main/java/com/arialyy/aria/util/CheckUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/util/CheckUtil.java
@@ -118,7 +118,7 @@ public class CheckUtil {
   public static void checkUrlInvalidThrow(String url) {
     if (TextUtils.isEmpty(url)) {
       throw new IllegalArgumentException("url不能为null");
-    } else if (!url.startsWith("http") && !url.startsWith("ftp")) {
+    } else if (!url.startsWith("http") && !url.startsWith("ftp") && !url.startsWith("sftp")) {
       throw new IllegalArgumentException("url错误");
     }
     int index = url.indexOf("://");
@@ -133,7 +133,7 @@ public class CheckUtil {
   public static void checkUrl(String url) {
     if (TextUtils.isEmpty(url)) {
       throw new NullPointerException("url为空");
-    } else if (!url.startsWith("http") && !url.startsWith("ftp")) {
+    } else if (!url.startsWith("http") && !url.startsWith("ftp") && !url.startsWith("sftp")) {
       throw new IllegalArgumentException(String.format("url【%s】错误", url));
     }
     int index = url.indexOf("://");
@@ -151,7 +151,7 @@ public class CheckUtil {
     if (TextUtils.isEmpty(url)) {
       ALog.e(TAG, "url不能为null");
       return false;
-    } else if (!url.startsWith("http") && !url.startsWith("ftp")) {
+    } else if (!url.startsWith("http") && !url.startsWith("ftp") && !url.startsWith("sftp")) {
       ALog.e(TAG, "url【" + url + "】错误");
       return false;
     }
diff --git a/DEV_LOG.md b/DEV_LOG.md
index 82924c79..08b35bd5 100644
--- a/DEV_LOG.md
+++ b/DEV_LOG.md
@@ -1,5 +1,5 @@
 ## 开发日志
-  + v_3.6.4
+  + v_3.6.4 (2019/5/16)
     - 优化任务接收器的代码结构
     - 修复`DbEntity.saveAll()`失败的问题
     - 修复分块任务重命名失败的问题
@@ -10,7 +10,7 @@
     - fix bug https://github.com/AriaLyy/Aria/issues/388
     - 修复使用`Content-Disposition`的文件名时，第一次下载无法重命名文件的问题
     - 修复使用`Content-Disposition`的文件名时，多次重命名文件的问题
-    - 组合任务新增`unknownSize()`，用于处理组合任务大小未知的情况，https://github.com/AriaLyy/Aria/issues/380
+    - 组合任务新增`unknownSize()`，用于处理组合任务大小ø未知的情况，https://github.com/AriaLyy/Aria/issues/380
     - 优化`AbsThreadTask`代码
     - 新增文件长度处理功能 https://github.com/AriaLyy/Aria/issues/393
       ```java
@@ -27,6 +27,8 @@
     - 优化`isRunning()`的逻辑，任务是否在执行的判断将更加准确
     - 修复多次重复快速点击`暂停、开始`时，任务有可能重复下载的问题
     - 修复组合任务中没有等待中的只任务实体保存失败的问题
+    - 新增组合任务url重复检查 https://github.com/AriaLyy/Aria/issues/395
+    - 初始化任务时，如果url、path有错误将会回调`@Download.onTaskFail`、`@Upload.onTaskFail`、`@DownGroup.onTaskFail`
   + v_3.6.3 (2019/4/2)
     - fix bug https://github.com/AriaLyy/Aria/issues/377
   + v_3.6.2 (2019/4/1)
diff --git a/README.md b/README.md
index 2d4a24d0..da6ed806 100644
--- a/README.md
+++ b/README.md
@@ -42,8 +42,8 @@ Aria有以下特点：
 [![Compiler](https://api.bintray.com/packages/arialyy/maven/AriaCompiler/images/download.svg)](https://bintray.com/arialyy/maven/AriaCompiler/_latestVersion)
 
 ```java
-compile 'com.arialyy.aria:aria-core:3.6.3'
-annotationProcessor 'com.arialyy.aria:aria-compiler:3.6.3'
+compile 'com.arialyy.aria:aria-core:3.6.4'
+annotationProcessor 'com.arialyy.aria:aria-compiler:3.6.4'
 ```
 如果出现android support依赖错误，请将 `compile 'com.arialyy.aria:aria-core:<last-version>'`替换为
 ```
@@ -113,12 +113,36 @@ protected void onCreate(Bundle savedInstanceState) {
 
 
 ### 版本日志
-* v3.6.3 (2019/4/2)
-  - fix bug https://github.com/AriaLyy/Aria/issues/368
-  - 增加gradle 5.0支持
-  - fix bug https://github.com/AriaLyy/Aria/issues/374
-  - fix bug https://github.com/AriaLyy/Aria/issues/377
-  - 增加分页获取任务列表api, 详情见：https://aria.laoyuyu.me/aria_doc/api/task_list.html#%E4%BB%BB%E5%8A%A1%E5%88%97%E8%A1%A8%E5%88%86%E9%A1%B5%EF%BC%88362%E4%BB%A5%E4%B8%8A%E7%89%88%E6%9C%AC%E6%94%AF%E6%8C%81%EF%BC%89
+ + v_3.6.4 (2019/5/16)
+    - 优化任务接收器的代码结构
+    - 修复`DbEntity.saveAll()`失败的问题
+    - 修复分块任务重命名失败的问题
+    - fix bug https://github.com/AriaLyy/Aria/issues/379
+    - 移除`getDownloadTask(String url)`、`getGroupTask(List<String> urls)`、`getFtpDirTask(String path)`
+      等获取任务的api，如果你希望获取对应状态，请使用实体的状态判断，如：`getDownloadEntity()`、`getDownloadGroupEntity()`
+      `getFtpDirEntity()`
+    - fix bug https://github.com/AriaLyy/Aria/issues/388
+    - 修复使用`Content-Disposition`的文件名时，第一次下载无法重命名文件的问题
+    - 修复使用`Content-Disposition`的文件名时，多次重命名文件的问题
+    - 组合任务新增`unknownSize()`，用于处理组合任务大小ø未知的情况，https://github.com/AriaLyy/Aria/issues/380
+    - 优化`AbsThreadTask`代码
+    - 新增文件长度处理功能 https://github.com/AriaLyy/Aria/issues/393
+      ```java
+      .setFileLenAdapter(new IHttpFileLenAdapter() {
+        @Override public long handleFileLen(Map<String, List<String>> headers) {
+          ...
+          // 处理header中的文件长度
+
+          return fileLen;
+        }
+       })
+      ```
+    - 修复组合任务多次回调`onStop`注解的问题
+    - 优化`isRunning()`的逻辑，任务是否在执行的判断将更加准确
+    - 修复多次重复快速点击`暂停、开始`时，任务有可能重复下载的问题
+    - 修复组合任务中没有等待中的只任务实体保存失败的问题
+    - 新增组合任务url重复检查 https://github.com/AriaLyy/Aria/issues/395
+    - 初始化任务时，如果url、path有错误将会回调`@Download.onTaskFail`、`@Upload.onTaskFail`、`@DownGroup.onTaskFail`
 
 [更多版本记录](https://github.com/AriaLyy/Aria/blob/master/DEV_LOG.md)
 
diff --git a/app/src/main/java/com/arialyy/simple/base/BaseApplication.java b/app/src/main/java/com/arialyy/simple/base/BaseApplication.java
index 6b094c01..3dcd7f94 100644
--- a/app/src/main/java/com/arialyy/simple/base/BaseApplication.java
+++ b/app/src/main/java/com/arialyy/simple/base/BaseApplication.java
@@ -24,7 +24,7 @@ import com.arialyy.aria.core.Aria;
 import com.arialyy.frame.core.AbsFrame;
 import com.arialyy.simple.BuildConfig;
 import com.arialyy.simple.common.ConnectionChangeReceiver;
-import com.squareup.leakcanary.LeakCanary;
+//import com.squareup.leakcanary.LeakCanary;
 
 /**
  * Created by Lyy on 2016/9/27.
@@ -45,18 +45,15 @@ public class BaseApplication extends Application {
           .build());
       StrictMode.setThreadPolicy(
           new StrictMode.ThreadPolicy.Builder().detectAll().penaltyLog().build());
-      if (LeakCanary.isInAnalyzerProcess(this)) {//1
+      //if (LeakCanary.isInAnalyzerProcess(this)) {//1
         // This process is dedicated to LeakCanary for heap analysis.
         // You should not init your app in this process.
-        return;
-      }
-      LeakCanary.install(this);
+        //return;
+      //}
+      //LeakCanary.install(this);
   }
 
-  registerReceiver(new ConnectionChangeReceiver(),
-        new
-
-  IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
+  //registerReceiver(new ConnectionChangeReceiver(), new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
 }
 
   public static BaseApplication getApp() {
diff --git a/app/src/main/java/com/arialyy/simple/core/download/FtpDownloadActivity.java b/app/src/main/java/com/arialyy/simple/core/download/FtpDownloadActivity.java
index 8130ec4c..6c1a3804 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/FtpDownloadActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/FtpDownloadActivity.java
@@ -35,7 +35,7 @@ import java.io.File;
  * Ftp下载测试
  */
 public class FtpDownloadActivity extends BaseActivity<ActivityFtpDownloadBinding> {
-  private final String URL = "ftp://9.9.9.205:2121/Cyberduck-6.9.4.30164.zip";
+  private final String URL = "sftp://9.9.9.205:2222/Cyberduck-6.9.4.30164.zip";
   //private final String URL = "ftp://182.92.180.213:21/video/572fed5c2ad48_1024.jpg";
   //private final String URL = "ftp://182.92.180.213:21/DATA/20180205/rar/1111.rar";
   //private final String URL = "ftp://d:d@dygodj8.com:12311/咖啡风暴HD大陆公映意语中字[飘花www.piaohua.com].mp4";
@@ -60,8 +60,9 @@ public class FtpDownloadActivity extends BaseActivity<ActivityFtpDownloadBinding
     switch (view.getId()) {
       case R.id.start:
         Aria.download(this).loadFtp(URL)
-            .login("lao", "123456")
-            .setFilePath("/mnt/sdcard/").start();
+            .login("N0rI", "0qcK")
+            .setFilePath("/mnt/sdcard/", true)
+            .start();
         break;
       case R.id.stop:
         Aria.download(this).loadFtp(URL).stop();
diff --git a/app/src/main/java/com/arialyy/simple/core/download/SingleTaskActivity.java b/app/src/main/java/com/arialyy/simple/core/download/SingleTaskActivity.java
index 90cb62d1..8432a86c 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/SingleTaskActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/SingleTaskActivity.java
@@ -22,6 +22,7 @@ import android.content.Intent;
 import android.graphics.Bitmap;
 import android.os.Bundle;
 import android.os.Environment;
+import android.os.Handler;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.Menu;
@@ -37,7 +38,6 @@ import com.arialyy.aria.core.download.DTaskWrapper;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTarget;
 import com.arialyy.aria.core.download.DownloadTask;
-import com.arialyy.aria.core.inf.AbsHttpFileLenAdapter;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.inf.IHttpFileLenAdapter;
 import com.arialyy.aria.core.scheduler.ISchedulers;
@@ -317,7 +317,7 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
         //.addHeader("Cookie", "BAIDUID=648E5FF020CC69E8DD6F492D1068AAA9:FG=1; BIDUPSID=648E5FF020CC69E8DD6F492D1068AAA9; PSTM=1519099573; BD_UPN=12314753; locale=zh; BDSVRTM=0")
         .useServerFileName(true)
         .setFilePath(path, true)
-        .setFileLenAdapter(new AbsHttpFileLenAdapter() {
+        .setFileLenAdapter(new IHttpFileLenAdapter() {
           @Override public long handleFileLen(Map<String, List<String>> headers) {
 
             List<String> sLength = headers.get("Content-Length");
diff --git a/build.gradle b/build.gradle
index a185b18d..a989f0ad 100644
--- a/build.gradle
+++ b/build.gradle
@@ -43,7 +43,7 @@ task clean(type: Delete) {
 ext {
   userOrg = 'arialyy'
   groupId = 'com.arialyy.aria'
-  publishVersion = '3.6.4_dev_2'
+  publishVersion = '3.6.4'
 //  publishVersion = '1.0.4'  //FTP插件
   repoName='maven'
   desc = 'android 下载框架'