diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java b/Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java
index cae8612f..8c2a5237 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java
@@ -42,8 +42,7 @@ import java.util.TimerTask;
  * Created by AriaL on 2017/7/1.
  * 任务处理器
  */
-public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY extends AbsTaskEntity<ENTITY>>
-    implements Runnable {
+public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY extends AbsTaskEntity<ENTITY>> {
   private static final String STATE = "_state_";
   private static final String RECORD = "_record_";
   /**
@@ -104,13 +103,6 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
     }
   }
 
-  @Override public void run() {
-    if (mConstance.isRunning) {
-      return;
-    }
-    startFlow();
-  }
-
   /**
    * 重置任务状态
    */
@@ -280,7 +272,10 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
    * 直接调用的时候会自动启动线程执行
    */
   public void start() {
-    new Thread(this).start();
+    if (mConstance.isRunning) {
+      return;
+    }
+    startFlow();
   }
 
   public void resume() {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/AbsThreadTask.java b/Aria/src/main/java/com/arialyy/aria/core/common/AbsThreadTask.java
index 7ed9a39c..d8ac4db6 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/AbsThreadTask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/AbsThreadTask.java
@@ -15,7 +15,6 @@
  */
 package com.arialyy.aria.core.common;
 
-import android.os.Build;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.inf.AbsNormalEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
@@ -29,8 +28,6 @@ import com.arialyy.aria.util.NetUtils;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Timer;
-import java.util.TimerTask;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -58,7 +55,6 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
   protected ENTITY mEntity;
   protected TASK_ENTITY mTaskEntity;
   private int mFailTimes = 0;
-  private Timer mFailTimer;
   private long mLastSaveTime;
   private ExecutorService mConfigThreadPool;
   protected int mConnectTimeOut; //连接超时时间
@@ -126,10 +122,11 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
 
   /**
    * 设置最大下载速度
+   *
    * @param speed 单位为：kb
    */
-  public void setMaxSpeed(int speed){
-    if (mSpeedBandUtil != null){
+  public void setMaxSpeed(int speed) {
+    if (mSpeedBandUtil != null) {
       mSpeedBandUtil.setMaxRate(speed / mThreadNum);
     }
   }
@@ -166,6 +163,10 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
     return STATE.isRunning;
   }
 
+  public boolean isInterrupted() {
+    return Thread.currentThread().isInterrupted();
+  }
+
   /**
    * 获取线程配置信息
    */
@@ -173,10 +174,6 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
     return mConfig;
   }
 
-  private boolean filterVersion() {
-    return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
-  }
-
   @Override protected void finalize() throws Throwable {
     super.finalize();
     if (mConfigThreadPool != null) {
@@ -333,10 +330,6 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
    * @param needRetry 是否可以重试
    */
   private void retryThis(boolean needRetry) {
-    if (mFailTimer != null) {
-      mFailTimer.purge();
-      mFailTimer.cancel();
-    }
     if (!NetUtils.isConnected(AriaManager.APP) && !isNotNetRetry) {
       ALog.w(TAG, String.format("任务【%s】thread__%s__重试失败，网络未连接", mConfig.TEMP_FILE.getName(),
           mConfig.THREAD_ID));
@@ -345,19 +338,9 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
         || isNotNetRetry) && !isBreak()) {
       ALog.w(TAG,
           String.format("任务【%s】thread__%s__正在重试", mConfig.TEMP_FILE.getName(), mConfig.THREAD_ID));
-      mFailTimer = new Timer(true);
-      mFailTimer.schedule(new TimerTask() {
-        @Override public void run() {
-          if (isBreak()) {
-            handleFailState(false);
-            return;
-          }
-          mFailTimes++;
-          handleRetryRecord();
-          ThreadTaskManager.getInstance().retryThread(AbsThreadTask.this);
-          //AbsThreadTask.this.run();
-        }
-      }, 3000);
+      mFailTimes++;
+      handleRetryRecord();
+      ThreadTaskManager.getInstance().retryThread(AbsThreadTask.this);
     } else {
       handleFailState(!isBreak());
     }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/BandwidthLimiter.java b/Aria/src/main/java/com/arialyy/aria/core/common/BandwidthLimiter.java
index 004eba5d..b42a58ff 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/BandwidthLimiter.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/BandwidthLimiter.java
@@ -84,7 +84,7 @@ public class BandwidthLimiter {
     this.bytesWillBeSentOrReceive += len;
 
     /* We have sent CHUNK_LENGTH bytes */
-    while (this.bytesWillBeSentOrReceive > CHUNK_LENGTH) {
+    while (!Thread.currentThread().isInterrupted() && this.bytesWillBeSentOrReceive > CHUNK_LENGTH) {
       long nowTick = System.nanoTime();
       long missedTime = this.timeCostPerChunk
           - (nowTick - this.lastPieceSentOrReceiveTick);
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTarget.java
index 7643a8f7..6a1adcf4 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTarget.java
@@ -266,8 +266,8 @@ public class DownloadGroupTarget extends BaseGroupTarget<DownloadGroupTarget> im
       if (oldFile.exists()) {
         oldFile.renameTo(new File(newPath));
       }
-      if (DbEntity.checkDataExist(DownloadEntity.class, "downloadPath=?", newPath)) {
-        ALog.w(TAG, String.format("更新文件名失败，路径【%s】已存在", newPath));
+      if (DbEntity.checkDataExist(DownloadEntity.class, "downloadPath=? or isComplete='true'", newPath)) {
+        ALog.w(TAG, String.format("更新文件名失败，路径【%s】已存在或文件已下载", newPath));
         return;
       }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java
index 9e9ed848..36db9187 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java
@@ -26,13 +26,11 @@ import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.aria.util.NetUtils;
 import java.io.File;
-import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
 import java.util.Timer;
 import java.util.TimerTask;
 import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
 /**
@@ -56,7 +54,6 @@ public abstract class AbsGroupUtil implements IUtil {
    */
   long mTotalLen = 0;
   long mCurrentLocation = 0;
-  private ExecutorService mExePool;
   protected IDownloadGroupListener mListener;
   DownloadGroupTaskEntity mGTEntity;
   private boolean isRunning = false;
@@ -97,7 +94,6 @@ public abstract class AbsGroupUtil implements IUtil {
   AbsGroupUtil(IDownloadGroupListener listener, DownloadGroupTaskEntity groupEntity) {
     mListener = listener;
     mGTEntity = groupEntity;
-    mExePool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
     mUpdateInterval =
         AriaManager.getInstance(AriaManager.APP).getDownloadConfig().getUpdateInterval();
   }
@@ -228,10 +224,6 @@ public abstract class AbsGroupUtil implements IUtil {
     isCancel = true;
     closeTimer();
     onCancel();
-    if (!mExePool.isShutdown()) {
-      mExePool.shutdown();
-    }
-
     Set<String> keys = mDownloaderMap.keySet();
     for (String key : keys) {
       Downloader dt = mDownloaderMap.get(key);
@@ -251,9 +243,6 @@ public abstract class AbsGroupUtil implements IUtil {
     isStop = true;
     closeTimer();
     onStop();
-    if (!mExePool.isShutdown()) {
-      mExePool.shutdown();
-    }
 
     Set<String> keys = mDownloaderMap.keySet();
     for (String key : keys) {
@@ -392,9 +381,8 @@ public abstract class AbsGroupUtil implements IUtil {
     ChildDownloadListener listener = new ChildDownloadListener(taskEntity);
     Downloader dt = new Downloader(listener, taskEntity);
     mDownloaderMap.put(taskEntity.getEntity().getUrl(), dt);
-    if (mExePool.isShutdown()) return dt;
     if (start) {
-      mExePool.execute(dt);
+      dt.start();
     }
     return dt;
   }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java
index 9bc2ec5b..acf9192b 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java
@@ -33,7 +33,6 @@ import java.net.MalformedURLException;
 import java.net.URL;
 import java.nio.ByteBuffer;
 import java.nio.channels.Channels;
-import java.nio.channels.ClosedByInterruptException;
 import java.nio.channels.FileChannel;
 import java.nio.channels.ReadableByteChannel;
 
@@ -57,7 +56,7 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
     isBlock = STATE.TASK_RECORD.isBlock;
   }
 
-  @Override public DownloadTaskEntity call(){
+  @Override public DownloadTaskEntity call() {
     if (getThreadRecord().isComplete) {
       handleComplete();
       return mTaskEntity;
@@ -68,7 +67,7 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
     //当前子线程的下载位置
     mChildCurrentLocation = mConfig.START_LOCATION;
     try {
-      URL url = new URL(CommonUtil.convertUrl(mConfig.URL));
+      URL url = new URL(CommonUtil.convertUrl(mConfig.URL + 1));
       conn = ConnectionHelp.handleConnection(url, mTaskEntity);
       if (mConfig.SUPPORT_BP) {
         ALog.d(TAG,
diff --git a/Aria/src/main/java/com/arialyy/aria/core/manager/ThreadTaskManager.java b/Aria/src/main/java/com/arialyy/aria/core/manager/ThreadTaskManager.java
index 6e825e6d..8229ae2f 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/manager/ThreadTaskManager.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/manager/ThreadTaskManager.java
@@ -57,7 +57,7 @@ public class ThreadTaskManager {
    * @param key 任务对应的key{@link AbsTaskEntity#getKey()}
    * @param threadTask 线程任务{@link AbsThreadTask}
    */
-  public void startThread(String key, AbsThreadTask threadTask) {
+  public synchronized void startThread(String key, AbsThreadTask threadTask) {
     if (mExePool.isShutdown()) {
       ALog.e(TAG, "线程池已经关闭");
       return;
@@ -76,18 +76,23 @@ public class ThreadTaskManager {
    *
    * @param key 任务对应的key{@link AbsTaskEntity#getKey()}
    */
-  public void stopTaskThread(String key) {
+  public synchronized void stopTaskThread(String key) {
     if (mExePool.isShutdown()) {
       ALog.e(TAG, "线程池已经关闭");
       return;
     }
     Set<Future> temp = mThreadTasks.get(getKey(key));
-    for (Future future : temp) {
-      if (future.isDone() || future.isCancelled()) {
-        continue;
+    try {
+      for (Future future : temp) {
+        if (future.isDone() || future.isCancelled()) {
+          continue;
+        }
+        future.cancel(true);
       }
-      future.cancel(true);
+    } catch (Exception e) {
+      ALog.e(TAG, e);
     }
+    temp.clear();
     mThreadTasks.remove(key);
   }
 
@@ -96,11 +101,20 @@ public class ThreadTaskManager {
    *
    * @param task 线程任务
    */
-  public void retryThread(AbsThreadTask task) {
+  public synchronized void retryThread(AbsThreadTask task) {
     if (mExePool.isShutdown()) {
       ALog.e(TAG, "线程池已经关闭");
       return;
     }
+    try {
+      if (task == null || task.isInterrupted()) {
+        ALog.e(TAG, "线程为空或线程已经中断");
+        return;
+      }
+    } catch (Exception e) {
+      ALog.e(TAG, e);
+      return;
+    }
     mExePool.submit(task);
   }
 
diff --git a/AriaFtpPlug/src/main/java/org/apache/commons/net/io/Util.java b/AriaFtpPlug/src/main/java/org/apache/commons/net/io/Util.java
index 04fbdb0d..8b8fa789 100644
--- a/AriaFtpPlug/src/main/java/org/apache/commons/net/io/Util.java
+++ b/AriaFtpPlug/src/main/java/org/apache/commons/net/io/Util.java
@@ -92,7 +92,7 @@ public final class Util {
     byte[] buffer = new byte[bufferSize > 0 ? bufferSize : DEFAULT_COPY_BUFFER_SIZE];
 
     try {
-      while ((numBytes = source.read(buffer)) != -1) {
+      while (!Thread.currentThread().isInterrupted() && (numBytes = source.read(buffer)) != -1) {
         // Technically, some read(byte[]) methods may return 0 and we cannot
         // accept that as an indication of EOF.
 
diff --git a/DEV_LOG.md b/DEV_LOG.md
index 1143fec3..ba49504a 100644
--- a/DEV_LOG.md
+++ b/DEV_LOG.md
@@ -1,4 +1,7 @@
 ## 开发日志
+  + v_3.4.12
+    - fix bug https://github.com/AriaLyy/Aria/issues/286
+    - 优化线程池任务
   + v_3.4.11
     - fix bug https://github.com/AriaLyy/Aria/issues/288
     - fix bug https://github.com/AriaLyy/Aria/issues/282
diff --git a/README.md b/README.md
index cf24cb27..22be89e0 100644
--- a/README.md
+++ b/README.md
@@ -32,8 +32,8 @@ Aria有以下特点：
 [![Download](https://api.bintray.com/packages/arialyy/maven/AriaApi/images/download.svg)](https://bintray.com/arialyy/maven/AriaApi/_latestVersion)
 [![Download](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:3.4.11'
-annotationProcessor 'com.arialyy.aria:aria-compiler:3.4.11'
+compile 'com.arialyy.aria:aria-core:3.4.12'
+annotationProcessor 'com.arialyy.aria:aria-compiler:3.4.12'
 ```
 如果出现android support，请将 `compile 'com.arialyy.aria:aria-core:<last-version>'`替换为
 ```
@@ -101,9 +101,9 @@ protected void onCreate(Bundle savedInstanceState) {
 
 
 ### 版本日志
-  + v_3.4.11
-    - fix bug https://github.com/AriaLyy/Aria/issues/288
-    - fix bug https://github.com/AriaLyy/Aria/issues/282
+  + v_3.4.12
+    - fix bug https://github.com/AriaLyy/Aria/issues/286
+    - 优化线程池任务
 
 [更多版本记录](https://github.com/AriaLyy/Aria/blob/master/DEV_LOG.md)
 
diff --git a/app/build.gradle b/app/build.gradle
index 3f35f8e5..d0b770e4 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,6 +1,6 @@
 apply plugin: 'com.android.application'
-//apply plugin: 'kotlin-android'
-//apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
 //apply plugin: 'kotlin-kapt'
 
 android {
@@ -51,7 +51,7 @@ dependencies {
   compile 'com.arialyy.frame:MVVM2:2.2.0'
   compile project(':Aria')
   compile project(':AriaCompiler')
-  //  compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
   //    compile 'com.arialyy.aria:aria-core:3.3.16'
   //  annotationProcessor 'com.arialyy.aria:aria-compiler:3.3.16'
   debugCompile 'com.amitshekhar.android:debug-db:1.0.0'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 314d14ce..434990a3 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -14,10 +14,11 @@
       android:supportsRtl="true"
       android:theme="@style/AppTheme.NoActionBar">
         <!--android:name=".MainActivity"-->
-    <!--android:name=".download.group.DownloadGroupActivity"-->
     <!--android:name=".test.TestFTPDirActivity"-->
-    <!--android:name=".test.TestFTPActivity"-->
     <!--android:name=".test.AnyRunActivity"-->
+        <!--android:name=".download.SingleTaskActivity"-->
+    <!--android:name=".test.TestFTPActivity"-->
+    <!--android:name=".download.group.DownloadGroupActivity"-->
     <activity
         android:name=".download.SingleTaskActivity"
         android:label="@string/app_name">
diff --git a/app/src/main/assets/aria_config.xml b/app/src/main/assets/aria_config.xml
index aacfdc1b..4e5da29d 100644
--- a/app/src/main/assets/aria_config.xml
+++ b/app/src/main/assets/aria_config.xml
@@ -35,7 +35,7 @@
       3、从3.4.1开始，如果线程数为1，文件初始化时将不再预占用对应长度的空间，下载多少byte，则占多大的空间；
          对于采用多线程的任务或旧任务，依然采用原来的文件空间占用方式；
     -->
-    <threadNum value="3"/>
+    <threadNum value="1"/>
 
     <!--设置下载队列最大任务数， 默认为2-->
     <maxTaskNum value="1"/>
diff --git a/app/src/main/java/com/arialyy/simple/MainActivity.java b/app/src/main/java/com/arialyy/simple/MainActivity.java
index 52291d32..36142640 100644
--- a/app/src/main/java/com/arialyy/simple/MainActivity.java
+++ b/app/src/main/java/com/arialyy/simple/MainActivity.java
@@ -20,6 +20,7 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import butterknife.OnClick;
+import com.arialyy.aria.core.Aria;
 import com.arialyy.simple.base.BaseActivity;
 import com.arialyy.simple.databinding.ActivityMainBinding;
 import com.arialyy.simple.download.DownloadActivity;
@@ -39,6 +40,7 @@ public class MainActivity extends BaseActivity<ActivityMainBinding> {
     setSupportActionBar(mBar);
     mBar.setTitle("Aria  Demo");
     getSupportActionBar().setDisplayHomeAsUpEnabled(false);
+
   }
 
   @Override protected int setLayoutId() {
diff --git a/app/src/main/java/com/arialyy/simple/download/KotlinDownloadActivity.kt b/app/src/main/java/com/arialyy/simple/download/KotlinDownloadActivity.kt
index 8a22289a..4848e007 100644
--- a/app/src/main/java/com/arialyy/simple/download/KotlinDownloadActivity.kt
+++ b/app/src/main/java/com/arialyy/simple/download/KotlinDownloadActivity.kt
@@ -41,12 +41,14 @@ class KotlinDownloadActivity : AppCompatActivity() {
 //      setBtState(false)
 //    }
 //    binding.fileSize = target.getConvertFileSize()
+    Aria.get(this).downloadConfig.maxTaskNum = 2
     Aria.download(this).register()
   }
 
-  @Download.onTaskRunning protected fun running(task: DownloadTask) {
+  @Download.onTaskRunning
+  protected fun running(task: DownloadTask) {
     Log.d(TAG, task.percent.toString() + "")
-    val len = task.fileSize
+//    val len = task.fileSize
 //    if (len == 0L) {
 //      binding.progress = 0
 //    } else {
@@ -65,7 +67,7 @@ class KotlinDownloadActivity : AppCompatActivity() {
 
   private fun startD() {
     Aria.download(this)
-        .load(DOWNLOAD_URL, true)
+        .load(DOWNLOAD_URL)
         .addHeader("groupName", "value")
         .setDownloadPath(Environment.getExternalStorageDirectory().path + "/hhhhhhhh.apk")
         .start()
diff --git a/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java b/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
index 53c76670..38d01617 100644
--- a/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
+++ b/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
@@ -245,7 +245,7 @@ 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)
         //.setRequestMode(RequestEnum.GET)
-        .setFilePath(Environment.getExternalStorageDirectory().getPath() + "/ggsg3.apk")
+        .setFilePath(Environment.getExternalStorageDirectory().getPath() + "/ggsg4.apk")
         //.resetState()
         .start();
     //.add();
diff --git a/app/src/main/java/com/arialyy/simple/download/group/DownloadGroupActivity.java b/app/src/main/java/com/arialyy/simple/download/group/DownloadGroupActivity.java
index 452d3a99..8f75bb19 100644
--- a/app/src/main/java/com/arialyy/simple/download/group/DownloadGroupActivity.java
+++ b/app/src/main/java/com/arialyy/simple/download/group/DownloadGroupActivity.java
@@ -47,7 +47,7 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
     super.init(savedInstanceState);
     Aria.download(this).register();
     setTitle("任务组");
-    mUrls = getModule(GroupModule.class).getUrls1();
+    mUrls = getModule(GroupModule.class).getUrls();
     DownloadGroupTaskEntity entity = Aria.download(this).getGroupTask(mUrls);
     if (entity != null && entity.getEntity() != null) {
       DownloadGroupEntity groupEntity = entity.getEntity();
@@ -91,7 +91,7 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
             .setGroupAlias("任务组测试")
             //.setSubFileName(getModule(GroupModule.class).getSubName2())
             .setSubFileName(getModule(GroupModule.class).getSubName())
-            .updateUrls(temp)
+            //.updateUrls(temp)
             .start();
         break;
       case R.id.stop:
diff --git a/app/src/main/java/com/arialyy/simple/download/group/GroupModule.java b/app/src/main/java/com/arialyy/simple/download/group/GroupModule.java
index 59fe55da..0239ad87 100644
--- a/app/src/main/java/com/arialyy/simple/download/group/GroupModule.java
+++ b/app/src/main/java/com/arialyy/simple/download/group/GroupModule.java
@@ -32,7 +32,7 @@ public class GroupModule extends BaseModule {
 
   public List<String> getUrls() {
     List<String> urls = new ArrayList<>();
-    String[] str = getContext().getResources().getStringArray(R.array.group_url4);
+    String[] str = getContext().getResources().getStringArray(R.array.group_urls_1);
     Collections.addAll(urls, str);
     return urls;
   }
diff --git a/app/src/main/java/com/arialyy/simple/test/TestFTPActivity.java b/app/src/main/java/com/arialyy/simple/test/TestFTPActivity.java
index 39747303..fd585c27 100644
--- a/app/src/main/java/com/arialyy/simple/test/TestFTPActivity.java
+++ b/app/src/main/java/com/arialyy/simple/test/TestFTPActivity.java
@@ -82,9 +82,9 @@ public class TestFTPActivity extends BaseActivity<ActivityTestBinding> {
             .loadFtp(FILE_PATH)
             .login("lao", "123456")
             .setUploadUrl(URL)
-            //.asFtps()
-            //.setStorePath("/mnt/sdcard/Download/server.crt")
-            //.setAlias("www.laoyuyu.me")
+            .asFtps()
+            .setStorePath("/mnt/sdcard/Download/server.crt")
+            .setAlias("www.laoyuyu.me")
             .start();
         //Uri uri = Uri.parse("ftp://z:z@dygod18.com:21211/[电影天堂www.dy2018.com]猩球崛起3：终极之战BD国英双语中英双字.mkv");
         //ALog.d(TAG, "sh = " + uri.getScheme() + ", user = " + uri.getUserInfo() + ", host = " + uri.getHost() + ", port = " + uri.getPort() + " remotePath = " + uri.getPath());
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 4ced4d1c..d1c46d05 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -85,7 +85,7 @@
   </string-array>
 
   <string-array name="group_names">
-    <!--<item>王者荣耀.apk</item>-->
+    <item>王者荣耀.apk</item>
     <item>战斗吧剑灵.apk</item>
     <!--<item>天魔幻想.apk</item>-->
   </string-array>
diff --git a/aria/src/main/java/com/arialyy/aria/core/Configuration.java b/aria/src/main/java/com/arialyy/aria/core/Configuration.java
index 09cc56c8..7e518ed5 100644
--- a/aria/src/main/java/com/arialyy/aria/core/Configuration.java
+++ b/aria/src/main/java/com/arialyy/aria/core/Configuration.java
@@ -34,7 +34,7 @@ import java.util.Properties;
  * Created by lyy on 2016/12/8.
  * 信息配置
  */
-class Configuration {
+public class Configuration {
   static final String TAG = "Configuration";
   static final String DOWNLOAD_CONFIG_FILE = "/Aria/DownloadConfig.properties";
   static final String UPLOAD_CONFIG_FILE = "/Aria/UploadConfig.properties";
diff --git a/build.gradle b/build.gradle
index 5cadcae4..c401c2cf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-//  ext.kotlin_version = '1.1.51'
+  ext.kotlin_version = '1.1.51'
   repositories {
     jcenter()
     mavenCentral()
@@ -9,7 +9,7 @@ buildscript {
 //    classpath 'com.android.tools.build:gradle:2.3.3'
     classpath 'com.android.tools.build:gradle:2.2.2'
     classpath 'com.novoda:bintray-release:0.5.0'
-//    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     //        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7'
     //        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
     // NOTE: Do not place your application dependencies here; they belong
@@ -39,7 +39,7 @@ task clean(type: Delete) {
 ext {
   userOrg = 'arialyy'
   groupId = 'com.arialyy.aria'
-  publishVersion = '3.4.11'
+  publishVersion = '3.4.12'
 //  publishVersion = '1.0.3'  //FTP插件
   repoName='maven'
   desc = 'android 下载框架'