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 47ed0589..df094f64 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
@@ -245,7 +245,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
     }
     for (int i = 0; i < mStartThreadNum; i++) {
       AbsThreadTask task = mTask.get(i);
-      if (task != null) {
+      if (task != null && !task.isThreadComplete()) {
         task.stop();
       }
     }
@@ -281,6 +281,9 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
         if (mRecord.threadRecords == null || mRecord.threadRecords.isEmpty()) {
           initRecord(true);
         } else if (mRecord.isBlock) {
+          final int threadNum = mRecord.threadRecords.size();
+          final long blockLen = mEntity.getFileSize() / threadNum;
+          int i = 0;
           for (ThreadRecord tr : mRecord.threadRecords) {
             File temp = new File(String.format(SUB_PATH, mRecord.filePath, tr.threadId));
             if (!temp.exists()) {
@@ -292,16 +295,37 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
               if (tr.isComplete) {
                 mCompleteThreadNum++;
               } else {
-                mStartThreadNum++;
+                long realLocation = i * blockLen + temp.length();
+                ALog.w(TAG, String.format(
+                    "startLocation = %s; endLocation = %s; block = %s; tempLen = %s; i = %s",
+                    tr.startLocation, tr.endLocation, blockLen, temp.length(), i));
+                if (tr.endLocation == realLocation) {
+                  ALog.d(TAG, String.format("分块【%s】已完成，更新记录", temp.getPath()));
+                  tr.startLocation = realLocation;
+                  tr.isComplete = true;
+                  mCompleteThreadNum++;
+                } else {
+                  tr.isComplete = false;
+                  if (realLocation < tr.startLocation) {
+                    ALog.w(TAG, String.format("修正分块【%s】的进度记录为：%s", temp.getPath(), realLocation));
+                    tr.startLocation = realLocation;
+                  } else if (realLocation > tr.endLocation) {
+                    ALog.w(TAG, String.format("分块【%s】错误，将重新开始该分块", temp.getPath()));
+                    temp.delete();
+                    tr.startLocation = i * blockLen;
+                  }
+                  mStartThreadNum++;
+                }
               }
             }
-            mTotalThreadNum = mRecord.threadRecords.size();
-            mTaskEntity.setNewTask(false);
+            i++;
           }
+          mTotalThreadNum = mRecord.threadRecords.size();
+          mTaskEntity.setNewTask(false);
         } else {
           File file = new File(mRecord.filePath);
           if (!file.exists()) {
-            ALog.w(TAG, String.format("下载文件【%s】不存在，任务将重新开始", file.getPath()));
+            ALog.w(TAG, String.format("文件【%s】不存在，任务将重新开始", file.getPath()));
             mRecord.deleteData();
             initRecord(true);
             return;
@@ -483,22 +507,24 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
       }
 
       //如果有记录，则恢复任务
-      if (tr.startLocation >= 0) {
-        Long r = tr.startLocation;
+      if (tr.startLocation > 0) {
+        long r = tr.startLocation;
         //记录的位置需要在线程区间中
-        if (startL < r && r < (i == (mTotalThreadNum - 1) ? fileLength : endL)) {
+        if (startL < r && r <= (i == (mTotalThreadNum - 1) ? fileLength : endL)) {
           mConstance.CURRENT_LOCATION += r - startL;
           startL = r;
         }
         ALog.d(TAG, String.format("任务【%s】线程__%s__恢复任务", mEntity.getFileName(), i));
+      } else {
+        tr.startLocation = startL;
       }
       //最后一个线程的结束位置即为文件的总长度
       if (i == (mTotalThreadNum - 1)) {
         endL = fileLength;
       }
-      // 更新记录
-      tr.startLocation = startL;
-      tr.endLocation = endL;
+      if (tr.endLocation <= 0) {
+        tr.endLocation = endL;
+      }
       if (isNewTr) {
         mRecord.threadRecords.add(tr);
       }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/ProxyHelper.java b/Aria/src/main/java/com/arialyy/aria/core/common/ProxyHelper.java
index c5e59eb4..480795d3 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/ProxyHelper.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/ProxyHelper.java
@@ -47,7 +47,7 @@ public class ProxyHelper {
   }
 
   private void init() {
-    List<String> classes = CommonUtil.getClassName(AriaManager.APP,
+    List<String> classes = CommonUtil.getPkgClassNames(AriaManager.APP,
         "com.arialyy.aria.ProxyClassCounter");
     for (String className : classes) {
       count(className);
diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/StateConstance.java b/Aria/src/main/java/com/arialyy/aria/core/common/StateConstance.java
index b3cae98b..cad1c6e1 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/StateConstance.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/StateConstance.java
@@ -50,14 +50,16 @@ public class StateConstance {
    * 所有子线程是否都已经停止
    */
   public boolean isStop() {
-    return STOP_NUM == START_THREAD_NUM;
+    ALog.d(TAG, String.format("stop_num=%s; start_thread_num=%s; complete_num=%s", STOP_NUM,
+        START_THREAD_NUM, COMPLETE_THREAD_NUM));
+    return STOP_NUM == START_THREAD_NUM || STOP_NUM + COMPLETE_THREAD_NUM == START_THREAD_NUM;
   }
 
   /**
    * 所有子线程是否都已经失败
    */
   public boolean isFail() {
-    ALog.d(TAG, String.format("fail_num=%s; start_thread_num=%s, complete_num=%s", FAIL_NUM,
+    ALog.d(TAG, String.format("fail_num=%s; start_thread_num=%s; complete_num=%s", FAIL_NUM,
         START_THREAD_NUM, COMPLETE_THREAD_NUM));
     return COMPLETE_THREAD_NUM != START_THREAD_NUM
         && (FAIL_NUM == START_THREAD_NUM || FAIL_NUM + COMPLETE_THREAD_NUM == START_THREAD_NUM);
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/BaseNormalTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/BaseNormalTarget.java
index 5bc9abdc..b272d294 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/BaseNormalTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/BaseNormalTarget.java
@@ -162,7 +162,7 @@ abstract class BaseNormalTarget<TARGET extends BaseNormalTarget>
       }
     }
 
-    //设置文件保存路径，如果新文件路径和就文件路径不同，则修改路径
+    //设置文件保存路径，如果新文件路径和旧文件路径不同，则修改路径
     if (!filePath.equals(mEntity.getDownloadPath())) {
       if (DbEntity.checkDataExist(DownloadEntity.class, "downloadPath=?", filePath)) {
         ALog.e(TAG, "下载失败，保存路径【" + filePath + "】已经被其它任务占用，请设置其它保存路径");
@@ -200,7 +200,7 @@ abstract class BaseNormalTarget<TARGET extends BaseNormalTarget>
       ALog.e(TAG, "下载失败，url【" + url + "】不合法");
       return false;
     }
-    if (!TextUtils.isEmpty(newUrl)){
+    if (!TextUtils.isEmpty(newUrl)) {
       mEntity.setUrl(newUrl);
       mTaskEntity.setUrl(newUrl);
     }
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 7708c4f6..23caeacd 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
@@ -76,7 +76,6 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
         ALog.d(TAG,
             String.format("任务【%s】线程__%s__开始下载【开始位置 : %s，结束位置：%s】", mConfig.TEMP_FILE.getName(),
                 mConfig.THREAD_ID, mConfig.START_LOCATION, mConfig.END_LOCATION));
-        //在头里面请求下载开始位置和结束位置
         conn.setRequestProperty("Range",
             String.format("bytes=%s-%s", mConfig.START_LOCATION, (mConfig.END_LOCATION - 1)));
       } else {
@@ -144,10 +143,24 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
         if (mSleepTime > 0) {
           Thread.sleep(mSleepTime);
         }
-        bf.flip();
-        foc.write(bf);
-        bf.compact();
-        progress(len);
+        //
+        //bf.flip();
+        //foc.write(bf);
+        //bf.compact();
+        //progress(len);
+        if (mChildCurrentLocation + len >= mConfig.END_LOCATION) {
+          len = (int) (mConfig.END_LOCATION - mChildCurrentLocation);
+          bf.flip();
+          fos.write(bf.array(), 0, len);
+          bf.compact();
+          progress(len);
+          break;
+        } else {
+          bf.flip();
+          foc.write(bf);
+          bf.compact();
+          progress(len);
+        }
       }
       handleComplete();
     } catch (InterruptedException e) {
@@ -157,6 +170,7 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
     } finally {
       try {
         if (fos != null) {
+          fos.flush();
           fos.close();
         }
         if (foc != null) {
diff --git a/Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java b/Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java
index 98d5c51d..1763f596 100644
--- a/Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java
@@ -77,7 +77,7 @@ public class CommonUtil {
    * @param className 过滤的类名
    * @return 类的完整名称
    */
-  public static List<String> getClassName(Context context, String className) {
+  public static List<String> getPkgClassNames(Context context, String className) {
     List<String> classNameList = new ArrayList<>();
     String pPath = context.getPackageCodePath();
     File dir = new File(pPath).getParentFile();
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 8051a8c7..04f66b2a 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -16,10 +16,10 @@
     <!--android:name=".test.TestActivity"-->
     <!--android:name=".test.AnyRunActivity"-->
     <!--android:name=".test.TestGroupActivity"-->
+        <!--android:name=".MainActivity"-->
     <!--android:name="com.arialyy.simple.test.AnyRunActivity"-->
-    <!--android:name=".download.group.DownloadGroupActivity"-->
     <activity
-        android:name=".MainActivity"
+    android:name=".download.group.DownloadGroupActivity"
         android:label="@string/app_name">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
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 1544e4a5..6811af74 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
@@ -45,7 +45,7 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
     super.init(savedInstanceState);
     Aria.download(this).register();
     setTitle("任务组");
-    mUrls = getModule(GroupModule.class).getUrls();
+    mUrls = getModule(GroupModule.class).getUrls2();
     DownloadGroupTaskEntity entity = Aria.download(this).getGroupTask(mUrls);
     if (entity != null && entity.getEntity() != null) {
       DownloadGroupEntity groupEntity = entity.getEntity();
@@ -82,9 +82,9 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
         Aria.download(this)
             .loadGroup(mUrls)
             .setDirPath(
-                Environment.getExternalStorageDirectory().getPath() + "/Download/group_test_3")
+                Environment.getExternalStorageDirectory().getPath() + "/Download/group_test_5")
             .setGroupAlias("任务组测试")
-            //.setSubFileName(getModule(GroupModule.class).getSubName())
+            .setSubFileName(getModule(GroupModule.class).getSubName2())
             //.setFileSize(32895492)
             .start();
         break;
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 b102585e..53097b31 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
@@ -50,4 +50,78 @@ public class GroupModule extends BaseModule {
     Collections.addAll(names, str);
     return names;
   }
+
+  List<String> getSubName2() {
+    List<String> taskSubFile;
+    taskSubFile = new ArrayList<>();
+    //taskSubFile.add("2156.mp4");
+    //        taskSubFile.add("2115.mp4");
+    //taskSubFile.add("2009.mp4");
+    //taskSubFile.add("1893.mp4");
+    //taskSubFile.add("1952.mp4");
+    //taskSubFile.add("1958.mp4");
+    taskSubFile.add("1994.mp4");
+    //taskSubFile.add("2083.mp4");
+    taskSubFile.add("2305.JPG");
+    taskSubFile.add("2183.JPG");
+    taskSubFile.add("2154.JPG");
+    taskSubFile.add("2153.JPG");
+    taskSubFile.add("2152.JPG");
+    taskSubFile.add("2151.JPG");
+    taskSubFile.add("2149.JPG");
+    taskSubFile.add("2148.JPG");
+    taskSubFile.add("2147.JPG");
+    taskSubFile.add("2146.JPG");
+    taskSubFile.add("1949.JPG");
+    taskSubFile.add("1887.JPG");
+    taskSubFile.add("1996.txt");
+    return taskSubFile;
+  }
+
+  public List<String> getUrls2() {
+    List<String> downLoadUrls;
+    downLoadUrls = new ArrayList<>();
+    //downLoadUrls.add(
+    //    "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2156&clientId=A000011106034058176");
+    //        downLoadUrls.add("http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2115&clientId=A000011106034058176");
+    //downLoadUrls.add(
+    //    "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2009&clientId=A000011106034058176");
+    //downLoadUrls.add(
+    //    "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=1893&clientId=A000011106034058176");
+    //downLoadUrls.add(
+    //    "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=1952&clientId=A000011106034058176");
+    //downLoadUrls.add(
+    //    "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=1958&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=1994&clientId=A000011106034058176");
+    //downLoadUrls.add(
+    //    "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2083&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2305&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2183&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2154&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2153&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2152&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2151&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2149&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2148&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2147&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=2146&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=1949&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=1887&clientId=A000011106034058176");
+    downLoadUrls.add(
+        "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=1996&clientId=A000011106034058176");
+    return downLoadUrls;
+  }
 }
diff --git a/app/src/main/java/com/arialyy/simple/test/AnyRunActivity.java b/app/src/main/java/com/arialyy/simple/test/AnyRunActivity.java
index fef44ccf..caa1047b 100644
--- a/app/src/main/java/com/arialyy/simple/test/AnyRunActivity.java
+++ b/app/src/main/java/com/arialyy/simple/test/AnyRunActivity.java
@@ -27,7 +27,8 @@ public class AnyRunActivity extends BaseActivity<ActivityTestBinding> {
   //String URL = "http://static.gaoshouyou.com/d/22/94/822260b849944492caadd2983f9bb624.apk";
   //private final String URL = "ftp://192.168.29.140:21/download/AriaPrj.rar";
   //String URL = "https://dl.genymotion.com/releases/genymotion-2.12.1/genymotion-2.12.1-vbox.exe";
-  String URL = "ftp://192.168.29.140:21/download/SDK_Demo-release.apk";
+  //String URL = "ftp://192.168.29.140:21/download/SDK_Demo-release.apk";
+  String URL = "http://d.quanscreen.com/k/down/resourceDownLoad?resourceId=1994&clientId=A000011106034058176";
   //String URL = "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";
   //private String URL = "https://www.bilibili.com/bangumi/play/ep77693";
   //private String URL = "http://cn-hbsjz-cmcc-v-03.acgvideo.com/upgcxcode/63/82/5108263/5108263-1-80.flv?expires=1530178500&platform=pc&ssig=vr7gLl0duyqWqSMnIpzaDA&oi=3746029570&nfa=BpfiWF+i4mNW8KzjZFHzBQ==&dynamic=1&hfa=2030547937&hfb=Yjk5ZmZjM2M1YzY4ZjAwYTMzMTIzYmIyNWY4ODJkNWI=&trid=3476be01a9254115b15f8cc7198600fe&nfc=1";
@@ -49,8 +50,8 @@ public class AnyRunActivity extends BaseActivity<ActivityTestBinding> {
   public void onClick(View view) {
     switch (view.getId()) {
       case R.id.start:
-        //module.start(URL);
-        module.startFtp(URL);
+        module.start(URL);
+        //module.startFtp(URL);
         break;
       case R.id.stop:
         module.stop(URL);
diff --git a/app/src/main/java/com/arialyy/simple/test/AnyRunnModule.java b/app/src/main/java/com/arialyy/simple/test/AnyRunnModule.java
index c54fa1eb..40f2632f 100644
--- a/app/src/main/java/com/arialyy/simple/test/AnyRunnModule.java
+++ b/app/src/main/java/com/arialyy/simple/test/AnyRunnModule.java
@@ -65,7 +65,7 @@ public class AnyRunnModule {
 
   void start(String url) {
     mUrl = url;
-    String path = Environment.getExternalStorageDirectory().getPath() + "/aaas.apk";
+    String path = Environment.getExternalStorageDirectory().getPath() + "/mmm.mp4";
     Aria.download(this)
         .load(url)
         .setRequestMode(RequestEnum.GET)