diff --git a/README.md b/README.md
index b2fba7dc..528fd340 100644
--- a/README.md
+++ b/README.md
@@ -33,14 +33,14 @@
 
    对于Eclipse不能运行项目的，提供了apk供直接运行
    
-### 或者点击下载Demo [okhttputils_v1.8.0.apk](https://github.com/jeasonlzy0216/OkHttpUtils/blob/master/okhttputils_v1.8.0.apk?raw=true)。
+### 或者点击下载Demo [okhttputils_v1.8.1.apk](https://github.com/jeasonlzy0216/OkHttpUtils/blob/master/okhttputils_v1.8.1.apk?raw=true)。
 
    本项目Demo的网络请求是我自己的服务器，有时候可能不稳定，网速比较慢时请耐心等待。。
 
  * 对于Android Studio的用户，可以选择添加:
 ```java
-    compile 'com.lzy.net:okhttputils:1.8.0'  //可以单独使用，不需要依赖下方的扩展包
-	compile 'com.lzy.net:okhttpserver:1.0.2' //扩展了下载管理和上传管理，根据需要添加
+    compile 'com.lzy.net:okhttputils:1.8.1'  //可以单独使用，不需要依赖下方的扩展包
+	compile 'com.lzy.net:okhttpserver:1.0.3' //扩展了下载管理和上传管理，根据需要添加
     
     或者
     
@@ -50,8 +50,8 @@
 
  * 对于Eclipse的用户，可以选择添加 `/jar` 目录下的:
 ```java
-	okhttputils-1.8.0.jar
-	okhttpserver-1.0.2.jar
+	okhttputils-1.8.1.jar
+	okhttpserver-1.0.3.jar
 ```
  * 如果是以jar包的形式引入`okhttpserver`,需要在清单文件中额外注册一个服务
 ```java
diff --git a/app/build.gradle b/app/build.gradle
index d432707a..a8a51275 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -11,8 +11,8 @@ android {
         applicationId "com.lzy.okhttpdemo"
         minSdkVersion 14
         targetSdkVersion 22
-        versionCode 22
-        versionName "1.8.0"
+        versionCode 23
+        versionName "1.8.1"
     }
     signingConfigs {
         appkey {
diff --git a/jar/okhttpserver-1.0.2.jar b/jar/okhttpserver-1.0.3.jar
similarity index 78%
rename from jar/okhttpserver-1.0.2.jar
rename to jar/okhttpserver-1.0.3.jar
index 72f05584..7c7c509d 100644
Binary files a/jar/okhttpserver-1.0.2.jar and b/jar/okhttpserver-1.0.3.jar differ
diff --git a/jar/okhttputils-1.8.0.jar b/jar/okhttputils-1.8.1.jar
similarity index 69%
rename from jar/okhttputils-1.8.0.jar
rename to jar/okhttputils-1.8.1.jar
index 6cf77fe7..5635597d 100644
Binary files a/jar/okhttputils-1.8.0.jar and b/jar/okhttputils-1.8.1.jar differ
diff --git a/okhttpserver/bintray.gradle b/okhttpserver/bintray.gradle
index 6ece7c99..7195dd2d 100644
--- a/okhttpserver/bintray.gradle
+++ b/okhttpserver/bintray.gradle
@@ -1,7 +1,7 @@
 apply plugin: 'com.github.dcendents.android-maven'
 apply plugin: 'com.jfrog.bintray'
 
-version = "1.0.2"              // 数据仓库依赖第三部分
+version = "1.0.3"              // 数据仓库依赖第三部分
 
 def siteUrl = 'https://github.com/jeasonlzy0216/OkHttpUtils'
 def gitUrl = 'https://github.com/jeasonlzy0216/OkHttpUtils.git'
diff --git a/okhttpserver/build.gradle b/okhttpserver/build.gradle
index 7feef792..d95a81de 100644
--- a/okhttpserver/build.gradle
+++ b/okhttpserver/build.gradle
@@ -7,14 +7,14 @@ android {
     defaultConfig {
         minSdkVersion 8
         targetSdkVersion 22
-        versionCode 12
-        versionName "1.0.2"
+        versionCode 13
+        versionName "1.0.3"
     }
 }
 
 dependencies {
     compile fileTree(include: ['*.jar'], dir: 'libs')
-//    compile 'com.lzy.net:okhttputils:1.8.0'
+//    compile 'com.lzy.net:okhttputils:1.8.1'
     compile project(':okhttputils')
 }
 
diff --git a/okhttpserver/src/main/java/com/lzy/okhttpserver/download/DownloadManager.java b/okhttpserver/src/main/java/com/lzy/okhttpserver/download/DownloadManager.java
index 1ab9be30..8cdb8a59 100644
--- a/okhttpserver/src/main/java/com/lzy/okhttpserver/download/DownloadManager.java
+++ b/okhttpserver/src/main/java/com/lzy/okhttpserver/download/DownloadManager.java
@@ -163,11 +163,16 @@ public void stopAllTask() {
 
     /** 删除一个任务,会删除下载文件 */
     public void removeTask(String taskKey) {
+        removeTask(taskKey, false);
+    }
+
+    /** 删除一个任务,会删除下载文件 */
+    public void removeTask(String taskKey, boolean isDeleteFile) {
         final DownloadInfo downloadInfo = getDownloadInfo(taskKey);
         if (downloadInfo == null) return;
         pauseTask(taskKey);                         //暂停任务
         removeTaskByKey(taskKey);                   //移除任务
-        deleteFile(downloadInfo.getTargetPath());   //删除文件
+        if (isDeleteFile) deleteFile(downloadInfo.getTargetPath());   //删除文件
         DownloadDBManager.INSTANCE.delete(taskKey);            //清除数据库
     }
 
diff --git a/okhttputils/bintray.gradle b/okhttputils/bintray.gradle
index cc67bfd3..ae711d86 100644
--- a/okhttputils/bintray.gradle
+++ b/okhttputils/bintray.gradle
@@ -1,7 +1,7 @@
 apply plugin: 'com.github.dcendents.android-maven'
 apply plugin: 'com.jfrog.bintray'
 
-version = "1.8.0"              // 数据仓库依赖第三部分
+version = "1.8.1"              // 数据仓库依赖第三部分
 
 def siteUrl = 'https://github.com/jeasonlzy0216/OkHttpUtils'
 def gitUrl = 'https://github.com/jeasonlzy0216/OkHttpUtils.git'
diff --git a/okhttputils/build.gradle b/okhttputils/build.gradle
index f658625a..03c3bc46 100644
--- a/okhttputils/build.gradle
+++ b/okhttputils/build.gradle
@@ -7,8 +7,8 @@ android {
     defaultConfig {
         minSdkVersion 8
         targetSdkVersion 22
-        versionCode 16
-        versionName "1.8.0"
+        versionCode 17
+        versionName "1.8.1"
     }
 }
 
diff --git a/okhttputils_v1.8.0.apk b/okhttputils_v1.8.0.apk
deleted file mode 100644
index 169aff50..00000000
Binary files a/okhttputils_v1.8.0.apk and /dev/null differ
diff --git a/okhttputils_v1.8.1.apk b/okhttputils_v1.8.1.apk
new file mode 100644
index 00000000..ed62b8bd
Binary files /dev/null and b/okhttputils_v1.8.1.apk differ