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/Aria/src/main/java/com/arialyy/aria/core/Aria.java b/Aria/src/main/java/com/arialyy/aria/core/Aria.java
index 705352d3..c45f3be8 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/Aria.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/Aria.java
@@ -34,13 +34,13 @@ import com.arialyy.aria.core.task.Task;
  * Aria启动，管理全局任务
  * <pre>
  *   <code>
- *      DownloadEntity mEntity = new DownloadEntity();
- *      mEntity.setFileName(fileName);          //设置文件名
- *      mEntity.setDownloadUrl(downloadUrl);    //设置下载链接
- *      mEntity.setDownloadPath(downloadPath);  //设置存放路径
- *
- *      //启动下载
- *     Aria.whit(this).load(mEntity).start();
+ *   //启动下载
+ *   Aria.whit(this)
+ *       .load(DOWNLOAD_URL)     //下载地址，必填
+ *       //文件保存路径，必填
+ *       .setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.apk")
+ *       .setDownloadName("test.apk")    //文件名，必填
+ *       .start();
  *   </code>
  * </pre>
  */