diff --git a/.idea/misc.xml b/.idea/misc.xml
index fbb68289..5d199810 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -37,7 +37,7 @@
     <ConfirmationsSetting value="0" id="Add" />
     <ConfirmationsSetting value="0" id="Remove" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/.idea/modules.xml b/.idea/modules.xml
index b0a774eb..d68bc4ee 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -2,8 +2,8 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/Aria.iml" filepath="$PROJECT_DIR$/Aria.iml" />
-      <module fileurl="file://$PROJECT_DIR$/Aria/Aria-Aria.iml" filepath="$PROJECT_DIR$/Aria/Aria-Aria.iml" />
+      <module fileurl="file://$PROJECT_DIR$/Aria/Aria.iml" filepath="$PROJECT_DIR$/Aria/Aria.iml" />
+      <module fileurl="file://$PROJECT_DIR$/AriaPrj.iml" filepath="$PROJECT_DIR$/AriaPrj.iml" />
       <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
     </modules>
   </component>
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
deleted file mode 100644
index 35eb1ddf..00000000
--- a/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="" vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/Aria/src/main/java/com/arialyy/aria/util/BufferedRandomAccessFile.java b/Aria/src/main/java/com/arialyy/aria/util/BufferedRandomAccessFile.java
index 167dbdf7..a0f36785 100644
--- a/Aria/src/main/java/com/arialyy/aria/util/BufferedRandomAccessFile.java
+++ b/Aria/src/main/java/com/arialyy/aria/util/BufferedRandomAccessFile.java
@@ -33,7 +33,7 @@ import java.util.Arrays;
  * functioning of the <code>RandomAccessFile</code> methods that are not
  * overridden here relies on the implementation of those methods in the
  * superclass.
- * Author : Avinash Lakshman ( alakshman@facebook.com) & Prashant Malik ( pmalik@facebook.com )
+ * Author : Avinash Lakshman ( alakshman@facebook.com) Prashant Malik ( pmalik@facebook.com )
  */
 
 public final class BufferedRandomAccessFile extends RandomAccessFile {
diff --git a/README.md b/README.md
index ddc19c92..fbff9751 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Aria，致力于让下载傻瓜化</br>
 ## 下载
 [![Download](https://api.bintray.com/packages/arialyy/maven/Aria/images/download.svg)](https://bintray.com/arialyy/maven/Aria/_latestVersion)</br>
 ```java
-compile 'com.arialyy.aria:Aria:2.4.0'
+compile 'com.arialyy.aria:Aria:2.4.1'
 ```
 
 ## 示例
@@ -134,6 +134,7 @@ Aria支持https下载，如果你希望使用自己的ca证书，那么你需要
 
 ***
 ## 开发日志
+ + v_2.4.1 修复下载慢的问题，修复application、service 不能使用的问题
  + v_2.4.0 支持https链接下载
  + v_2.3.8 修复数据错乱的bug、添加fragment支持
  + v_2.3.6 添加dialog、popupWindow支持