diff --git a/Aria/build.gradle b/Aria/build.gradle
index 32dbc8b6..8d8d5635 100644
--- a/Aria/build.gradle
+++ b/Aria/build.gradle
@@ -23,8 +23,8 @@ dependencies {
   compile fileTree(include: ['*.jar'], dir: 'libs')
   testCompile 'junit:junit:4.12'
   compile 'com.android.support:appcompat-v7:23.1.1'
-//    compile project(':AriaCompiler')
-  compile project(':AriaAnnotations')
+    compile project(':AriaCompiler')
+//  compile project(':AriaAnnotations')
 }
 //apply from: 'jcenter.gradle'
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulerListener.java b/Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulerListener.java
new file mode 100644
index 00000000..ae411967
--- /dev/null
+++ b/Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulerListener.java
@@ -0,0 +1,67 @@
+/*
+ * 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.scheduler;
+
+import com.arialyy.aria.core.inf.ITask;
+
+/**
+ * Created by Aria.Lao on 2017/6/7.
+ */
+public class AbsSchedulerListener<TASK extends ITask> implements ISchedulerListener<TASK> {
+  @Override public void onPre(TASK task) {
+
+  }
+
+  @Override public void onTaskPre(TASK task) {
+
+  }
+
+  @Override public void onTaskResume(TASK task) {
+
+  }
+
+  @Override public void onTaskStart(TASK task) {
+
+  }
+
+  @Override public void onTaskStop(TASK task) {
+
+  }
+
+  @Override public void onTaskCancel(TASK task) {
+
+  }
+
+  @Override public void onTaskFail(TASK task) {
+
+  }
+
+  @Override public void onTaskComplete(TASK task) {
+
+  }
+
+  @Override public void onTaskRunning(TASK task) {
+
+  }
+
+  public void onNoSupportBreakPoint(TASK task) {
+
+  }
+
+  public void setListener(Object obj) {
+
+  }
+}
diff --git a/README.md b/README.md
index 03bae9d1..acba4412 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ Aria有以下特点：
    - [一句代码加可以获取当前的下载速度](#常用接口)
    - [一句代码就可以动态设置最大下载数](#代码中设置参数)
    - [通过修改配置文件很容易就能修改下载线程数](#配置文件设置参数)
+   - [优先下载某一个任务](#常用接口)
  + 支持https地址下载
    - 在配置文件中很容易就可以设置CA证书的信息
  + 支持300、301、302重定向下载链接下载
@@ -298,7 +299,7 @@ Aria.download(this).load(DOWNLOAD_URL).setDownloadPath(PATH).setHighestPriority(
 ***
 
 ## 后续版本开发规划
-* ~~下载任务可以设置优先级~~
+* ~~http、scoket断点上传~~
 * ~~实现上传队列调度功能~~