diff --git a/.github/ISSUE_TEMPLATE/Custom.md b/.github/ISSUE_TEMPLATE/Custom.md
index 90ac4ae1..cbe2f5b1 100644
--- a/.github/ISSUE_TEMPLATE/Custom.md
+++ b/.github/ISSUE_TEMPLATE/Custom.md
@@ -4,14 +4,32 @@ about: 请详细描述你遇到的问题
 
 ---
 
-## Aria版本
+<!-- 请详细描述以下信息，即使是一个简单的bug，没有充足的信息，作者却需要花费大量的时间去查找可能的原因！！ -->
 
+## 预期行为
 
-## 什么问题
 
+## 当前行为
 
-## 如何复现此问题
 
+## 可能的解决方案
+<!-- 不是强制性的，针对该错误的修复/原因的建议-->
 
-## 控制台日志
+
+## 重现步骤
+<!-- 请提供明确的步骤 -->
+
+1.
+2.
+3.
+4.
+
+
+## 错误日志
+
+
+## 版本
+* 框架版本
+
+* 系统版本
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/CheckDEntityUtil.java b/Aria/src/main/java/com/arialyy/aria/core/download/CheckDEntityUtil.java
index 6fffb0d7..c8eb2bbf 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/CheckDEntityUtil.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/CheckDEntityUtil.java
@@ -16,13 +16,10 @@
 package com.arialyy.aria.core.download;
 
 import android.text.TextUtils;
-import com.arialyy.aria.core.common.ErrorCode;
 import com.arialyy.aria.core.inf.ICheckEntityUtil;
 import com.arialyy.aria.core.inf.IOptionConstant;
-import com.arialyy.aria.core.inf.IRecordHandler;
 import com.arialyy.aria.core.inf.ITargetHandler;
 import com.arialyy.aria.core.wrapper.ITaskWrapper;
-import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
@@ -74,17 +71,13 @@ public class CheckDEntityUtil implements ICheckEntityUtil {
     mWrapper.getM3U8Params().setParams(IOptionConstant.cacheDir, cacheDir);
     M3U8Entity m3U8Entity = mEntity.getM3U8Entity();
 
-    Object temp = mWrapper.getM3U8Params().getParam(IOptionConstant.generateIndexFileTemp);
-    boolean generateIndexFileTemp = temp != null && (boolean) temp;
     if (m3U8Entity == null) {
       m3U8Entity = new M3U8Entity();
       m3U8Entity.setFilePath(mEntity.getFilePath());
       m3U8Entity.setPeerIndex(0);
       m3U8Entity.setCacheDir(cacheDir);
-      m3U8Entity.setGenerateIndexFile(generateIndexFileTemp);
       m3U8Entity.insert();
     } else {
-      m3U8Entity.setGenerateIndexFile(generateIndexFileTemp);
       m3U8Entity.update();
     }
     if (mWrapper.getRequestType() == ITaskWrapper.M3U8_VOD) {
@@ -140,15 +133,19 @@ public class CheckDEntityUtil implements ICheckEntityUtil {
   private boolean checkPathConflicts(String filePath) {
     //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.getFilePath())) {
+
+      //if (DbEntity.checkDataExist(DownloadEntity.class, "downloadPath=?", filePath)) {
+      //  if (!mWrapper.isForceDownload()) {
+      //    ALog.e(TAG, String.format("下载失败，保存路径【%s】已经被其它任务占用，请设置其它保存路径", filePath));
+      //    return false;
+      //  } else {
+      //    ALog.w(TAG, String.format("保存路径【%s】已经被其它任务占用，当前任务将覆盖该路径的文件", filePath));
+      //    RecordUtil.delTaskRecord(filePath, IRecordHandler.TYPE_DOWNLOAD);
+      //  }
+      //}
       // 检查路径冲突
-      if (DbEntity.checkDataExist(DownloadEntity.class, "downloadPath=?", filePath)) {
-        if (!mWrapper.isForceDownload()) {
-          ALog.e(TAG, String.format("下载失败，保存路径【%s】已经被其它任务占用，请设置其它保存路径", filePath));
-          return false;
-        } else {
-          ALog.w(TAG, String.format("保存路径【%s】已经被其它任务占用，当前任务将覆盖该路径的文件", filePath));
-          RecordUtil.delTaskRecord(filePath, IRecordHandler.TYPE_DOWNLOAD);
-        }
+      if (!CheckUtil.checkAndHandlePathConflicts(mWrapper.isForceDownload(), filePath)) {
+        return false;
       }
 
       File newFile = new File(filePath);
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8Option.java b/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8Option.java
index 8dd23fc8..d9b56734 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8Option.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/m3u8/M3U8Option.java
@@ -18,7 +18,6 @@ package com.arialyy.aria.core.download.m3u8;
 import com.arialyy.aria.core.common.BaseOption;
 import com.arialyy.aria.core.processor.IBandWidthUrlConverter;
 import com.arialyy.aria.core.processor.ITsMergeHandler;
-import com.arialyy.aria.core.processor.IVodTsUrlConverter;
 import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.ComponentUtil;
 
@@ -27,8 +26,8 @@ import com.arialyy.aria.util.ComponentUtil;
  */
 public class M3U8Option<OP extends M3U8Option> extends BaseOption {
 
-  private boolean generateIndexFileTemp = false;
-  private boolean mergeFile = false;
+  private boolean generateIndexFile = false;
+  private boolean mergeFile = true;
   private int bandWidth;
   private ITsMergeHandler mergeHandler;
   private IBandWidthUrlConverter bandWidthUrlConverter;
@@ -41,9 +40,10 @@ public class M3U8Option<OP extends M3U8Option> extends BaseOption {
   /**
    * 生成m3u8索引文件
    * 注意：创建索引文件，{@link #merge(boolean)}方法设置与否都不再合并文件
+   * 如果是直播文件下载，创建索引文件的操作将导致只能同时下载一个切片！！
    */
   public OP generateIndexFile() {
-    this.generateIndexFileTemp = true;
+    this.generateIndexFile = true;
     return (OP) this;
   }
 
diff --git a/DEV_LOG.md b/DEV_LOG.md
index 45421b93..f487425f 100644
--- a/DEV_LOG.md
+++ b/DEV_LOG.md
@@ -1,4 +1,9 @@
 ## 开发日志
+  + v_3.7.5 (2019/11/10)
+    - fix bug https://github.com/AriaLyy/Aria/issues/500
+    - fix bug https://github.com/AriaLyy/Aria/issues/508
+    - fix bug https://github.com/AriaLyy/Aria/issues/503
+    - 修复m3u8创建索引不成功的问题
   + v_3.7.4 (2019/11/2)
     - 修复一个class被莫名改变的问题
     - 修复非分块模式下导致的一个下载失败问题
diff --git a/FtpComponent/src/main/java/com/arialyy/aria/ftp/FtpDirInfoThread.java b/FtpComponent/src/main/java/com/arialyy/aria/ftp/FtpDirInfoThread.java
index a355a01b..2d7a7aa1 100644
--- a/FtpComponent/src/main/java/com/arialyy/aria/ftp/FtpDirInfoThread.java
+++ b/FtpComponent/src/main/java/com/arialyy/aria/ftp/FtpDirInfoThread.java
@@ -25,6 +25,7 @@ import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.inf.OnFileInfoCallback;
 import com.arialyy.aria.core.wrapper.AbsTaskWrapper;
 import com.arialyy.aria.exception.BaseException;
+import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.aria.util.RecordUtil;
 import java.nio.charset.Charset;
@@ -72,6 +73,9 @@ public class FtpDirInfoThread extends AbsFtpInfoThread<DownloadGroupEntity, DGTa
     entity.setGroupChild(true);
     entity.setConvertFileSize(CommonUtil.formatFileSize(ftpFile.getSize()));
     entity.setFileSize(ftpFile.getSize());
+
+    //if(CheckUtil.checkAndHandlePathConflicts(mTaskWrapper.is))
+
     entity.insert();
 
     DTaskWrapper subWrapper = new DTaskWrapper(entity);
diff --git a/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDLoaderAdapter.java b/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDLoaderAdapter.java
index f15367f8..b063972e 100644
--- a/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDLoaderAdapter.java
+++ b/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDLoaderAdapter.java
@@ -16,32 +16,33 @@
 package com.arialyy.aria.ftp.download;
 
 import com.arialyy.aria.core.TaskRecord;
-import com.arialyy.aria.core.task.AbsNormalLoaderAdapter;
 import com.arialyy.aria.core.common.RecordHandler;
 import com.arialyy.aria.core.common.SubThreadConfig;
-import com.arialyy.aria.core.task.ThreadTask;
-import com.arialyy.aria.core.wrapper.AbsTaskWrapper;
 import com.arialyy.aria.core.inf.IRecordHandler;
+import com.arialyy.aria.core.task.AbsNormalLoaderAdapter;
 import com.arialyy.aria.core.task.IThreadTask;
+import com.arialyy.aria.core.task.ThreadTask;
+import com.arialyy.aria.core.wrapper.AbsTaskWrapper;
 import com.arialyy.aria.core.wrapper.ITaskWrapper;
 import com.arialyy.aria.ftp.FtpRecordAdapter;
 import com.arialyy.aria.util.ALog;
+import com.arialyy.aria.util.FileUtil;
 import java.io.File;
 
 /**
  * @Author lyy
  * @Date 2019-09-19
  */
-final class FtpDLoaderAdapter extends AbsNormalLoaderAdapter {
+public class FtpDLoaderAdapter extends AbsNormalLoaderAdapter {
 
-  FtpDLoaderAdapter(ITaskWrapper wrapper) {
+  public FtpDLoaderAdapter(ITaskWrapper wrapper) {
     super(wrapper);
   }
 
   @Override public boolean handleNewTask(TaskRecord record, int totalThreadNum) {
     if (!record.isBlock) {
       if (getTempFile().exists()) {
-        getTempFile().delete();
+        FileUtil.deleteFile(getTempFile());
       }
       //CommonUtil.createFile(mTempFile.getPath());
     } else {
@@ -50,7 +51,7 @@ final class FtpDLoaderAdapter extends AbsNormalLoaderAdapter {
             new File(String.format(IRecordHandler.SUB_PATH, getTempFile().getPath(), i));
         if (blockFile.exists()) {
           ALog.d(TAG, String.format("分块【%s】已经存在，将删除该分块", i));
-          blockFile.delete();
+          FileUtil.deleteFile(blockFile);
         }
       }
     }
diff --git a/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDirDLoaderUtil.java b/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDirDLoaderUtil.java
index 1cdcfc28..57c2675f 100644
--- a/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDirDLoaderUtil.java
+++ b/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDirDLoaderUtil.java
@@ -91,7 +91,6 @@ public class FtpDirDLoaderUtil extends AbsGroupUtil {
     } finally {
       LOCK.unlock();
     }
-    initState();
     for (DTaskWrapper wrapper : getWrapper().getSubTaskWrapper()) {
       if (needCloneInfo) {
         cloneInfo(wrapper);
diff --git a/HttpComponent/src/main/java/com/arialyy/aria/http/download/DGroupLoaderUtil.java b/HttpComponent/src/main/java/com/arialyy/aria/http/download/DGroupLoaderUtil.java
index 0a645a1a..b4dc143e 100644
--- a/HttpComponent/src/main/java/com/arialyy/aria/http/download/DGroupLoaderUtil.java
+++ b/HttpComponent/src/main/java/com/arialyy/aria/http/download/DGroupLoaderUtil.java
@@ -73,7 +73,6 @@ public class DGroupLoaderUtil extends AbsGroupUtil {
 
   @Override protected boolean onStart() {
     super.onStart();
-    initState();
     if (getState().getCompleteNum() == getState().getSubSize()) {
       mListener.onComplete();
     } else {
@@ -91,6 +90,7 @@ public class DGroupLoaderUtil extends AbsGroupUtil {
         return getLenComplete;
       } else {
         for (DTaskWrapper wrapper : getWrapper().getSubTaskWrapper()) {
+          cloneHeader(wrapper);
           if (wrapper.getState() != IEntity.STATE_COMPLETE) {
             startSubLoader(createSubLoader(wrapper, true));
           }
@@ -179,7 +179,7 @@ public class DGroupLoaderUtil extends AbsGroupUtil {
    */
   private void cloneHeader(DTaskWrapper taskWrapper) {
     HttpTaskOption groupOption = (HttpTaskOption) getWrapper().getTaskOption();
-    HttpTaskOption subOption = (HttpTaskOption) taskWrapper.getTaskOption();
+    HttpTaskOption subOption = new HttpTaskOption();
 
     // 设置属性
     subOption.setFileLenAdapter(groupOption.getFileLenAdapter());
@@ -187,5 +187,6 @@ public class DGroupLoaderUtil extends AbsGroupUtil {
     subOption.setHeaders(groupOption.getHeaders());
     subOption.setProxy(groupOption.getProxy());
     subOption.setParams(groupOption.getParams());
+    taskWrapper.setTaskOption(subOption);
   }
 }
\ No newline at end of file
diff --git a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/BaseM3U8Loader.java b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/BaseM3U8Loader.java
index 91cb85f6..491b30f4 100644
--- a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/BaseM3U8Loader.java
+++ b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/BaseM3U8Loader.java
@@ -68,8 +68,9 @@ public abstract class BaseM3U8Loader extends AbsLoader {
   /**
    * 创建索引文件
    */
-  protected boolean generateIndexFile() {
-    File tempFile = new File(M3U8InfoThread.M3U8_INDEX_FORMAT, getEntity().getFilePath());
+  public boolean generateIndexFile(boolean isLive) {
+    File tempFile =
+        new File(String.format(M3U8InfoThread.M3U8_INDEX_FORMAT, getEntity().getFilePath()));
     if (!tempFile.exists()) {
       ALog.e(TAG, "源索引文件不存在");
       return false;
@@ -85,21 +86,29 @@ public abstract class BaseM3U8Loader extends AbsLoader {
       int i = 0;
       while ((line = reader.readLine()) != null) {
         byte[] bytes;
-        if (line.startsWith("EXTINF")) {
+        if (line.startsWith("#EXTINF")) {
+          fos.write(line.concat("\r\n").getBytes(Charset.forName("UTF-8")));
           String tsPath = getTsFilePath(cacheDir, mRecord.threadRecords.get(i).threadId);
           bytes = tsPath.concat("\r\n").getBytes(Charset.forName("UTF-8"));
+          reader.readLine(); // 继续读一行，避免写入源索引文件的切片地址
           i++;
-        } else if (line.startsWith("EXT-X-KEY")) {
+        } else if (line.startsWith("#EXT-X-KEY")) {
           M3U8Entity m3U8Entity = getEntity().getM3U8Entity();
           String keyInfo = String.format("#EXT-X-KEY:METHOD=%s,URI=%s,IV=%s\r\n", m3U8Entity.method,
               m3U8Entity.keyPath, m3U8Entity.iv);
           bytes = keyInfo.getBytes(Charset.forName("UTF-8"));
         } else {
-          bytes = line.getBytes(Charset.forName("UTF-8"));
+          bytes = line.concat("\r\n").getBytes(Charset.forName("UTF-8"));
         }
         fos.write(bytes, 0, bytes.length);
       }
+      // 直播的索引文件需要在结束的时候才写入结束标志
+      if (isLive) {
+        fos.write("#EXT-X-ENDLIST".concat("\r\n").getBytes(Charset.forName("UTF-8")));
+      }
+
       fos.flush();
+      return true;
     } catch (FileNotFoundException e) {
       e.printStackTrace();
     } catch (IOException e) {
diff --git a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8InfoThread.java b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8InfoThread.java
index 45be0b66..9725c860 100644
--- a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8InfoThread.java
+++ b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8InfoThread.java
@@ -24,8 +24,8 @@ import com.arialyy.aria.core.common.CompleteInfo;
 import com.arialyy.aria.core.download.DTaskWrapper;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.M3U8Entity;
-import com.arialyy.aria.core.processor.IBandWidthUrlConverter;
 import com.arialyy.aria.core.inf.OnFileInfoCallback;
+import com.arialyy.aria.core.processor.IBandWidthUrlConverter;
 import com.arialyy.aria.core.wrapper.AbsTaskWrapper;
 import com.arialyy.aria.core.wrapper.ITaskWrapper;
 import com.arialyy.aria.exception.M3U8Exception;
@@ -39,7 +39,6 @@ import com.arialyy.aria.util.FileUtil;
 import com.arialyy.aria.util.Regular;
 import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -55,6 +54,7 @@ import java.util.regex.Pattern;
 
 /**
  * 解析url中获取到到m3u8文件信息
+ * 协议地址：https://tools.ietf.org/html/rfc8216
  * https://www.cnblogs.com/renhui/p/10351870.html
  * https://blog.csdn.net/Guofengpu/article/details/54922865
  */
@@ -72,13 +72,9 @@ final public class M3U8InfoThread implements Runnable {
    * 是否停止获取切片信息，{@code true}停止获取切片信息
    */
   private boolean isStop = false;
-  /**
-   * m3u8文件信息
-   */
-  private List<String> mInfos = new ArrayList<>();
 
   public interface OnGetLivePeerCallback {
-    void onGetPeer(String url);
+    void onGetPeer(String url, String extInf);
   }
 
   public M3U8InfoThread(DTaskWrapper taskWrapper, OnFileInfoCallback callback) {
@@ -122,38 +118,51 @@ final public class M3U8InfoThread implements Runnable {
       }
       List<String> extInf = new ArrayList<>();
       boolean isLive = mTaskWrapper.getRequestType() == ITaskWrapper.M3U8_LIVE;
-      boolean isGenerateIndexFile = mTaskWrapper.getEntity().getM3U8Entity().isGenerateIndexFile();
+      boolean isGenerateIndexFile =
+          ((M3U8TaskOption) mTaskWrapper.getM3u8Option()).isGenerateIndexFile();
+      // 写入索引信息的流
+      FileOutputStream fos = null;
       if (isGenerateIndexFile) {
-        mInfos.add(line);
+        String indexPath = String.format(M3U8_INDEX_FORMAT, mEntity.getFilePath());
+        File indexFile = new File(indexPath);
+        if (!indexFile.exists()) {
+          FileUtil.createFile(indexPath);
+        }else {
+          //FileUtil.deleteFile(indexPath);
+        }
+        fos = new FileOutputStream(indexFile);
+        ALog.d(TAG, line);
+        addIndexInfo(isGenerateIndexFile, fos, line);
       }
       while ((line = reader.readLine()) != null) {
         if (isStop) {
           break;
         }
-        if (isGenerateIndexFile) {
-          mInfos.add(line);
-        }
+        ALog.d(TAG, line);
         if (line.startsWith("#EXT-X-ENDLIST")) {
+          // 点播文件的下载写入结束标志，直播文件的下载在停止时才写入结束标志
+          addIndexInfo(isGenerateIndexFile && !isLive, fos, line);
           break;
-        }
-        ALog.d(TAG, line);
-        if (line.startsWith("#EXTINF")) {
-          String info = reader.readLine();
-          mInfos.add(info);
+        } else if (line.startsWith("#EXTINF")) {
+          String url = reader.readLine();
           if (isLive) {
             if (onGetPeerCallback != null) {
-              onGetPeerCallback.onGetPeer(info);
+              onGetPeerCallback.onGetPeer(url, line);
             }
           } else {
-            extInf.add(info);
+            extInf.add(url);
           }
+          ALog.d(TAG, url);
+          addIndexInfo(isGenerateIndexFile && !isLive, fos, line);
+          addIndexInfo(isGenerateIndexFile && !isLive, fos, url);
         } else if (line.startsWith("#EXT-X-STREAM-INF")) {
+          addIndexInfo(isGenerateIndexFile, fos, line);
           int setBand = mM3U8Option.getBandWidth();
           int bandWidth = getBandWidth(line);
           // 多码率的m3u8配置文件，清空信息
-          if (isGenerateIndexFile && mInfos != null) {
-            mInfos.clear();
-          }
+          //if (isGenerateIndexFile && mInfos != null) {
+          //  mInfos.clear();
+          //}
           if (setBand == 0) {
             handleBandWidth(conn, reader.readLine());
           } else if (bandWidth == setBand) {
@@ -162,8 +171,11 @@ final public class M3U8InfoThread implements Runnable {
             failDownload(String.format("【%s】码率不存在", bandWidth), false);
           }
           return;
-        } else if (line.startsWith("EXT-X-KEY")) {
+        } else if (line.startsWith("#EXT-X-KEY")) {
+          addIndexInfo(isGenerateIndexFile, fos, line);
           getKeyInfo(line);
+        } else {
+          addIndexInfo(isGenerateIndexFile, fos, line);
         }
       }
 
@@ -177,8 +189,11 @@ final public class M3U8InfoThread implements Runnable {
       }
       CompleteInfo info = new CompleteInfo();
       info.obj = extInf;
-      generateIndexFile();
+
       onFileInfoCallback.onComplete(mEntity.getKey(), info);
+      if (fos != null) {
+        fos.close();
+      }
     } else if (code == HttpURLConnection.HTTP_MOVED_TEMP
         || code == HttpURLConnection.HTTP_MOVED_PERM
         || code == HttpURLConnection.HTTP_SEE_OTHER
@@ -193,40 +208,19 @@ final public class M3U8InfoThread implements Runnable {
   }
 
   /**
-   * 创建索引文件
+   * 添加切片信息到索引文件中
+   * 直播下载的索引只记录头部信息，不记录EXTINF中的信息，该信息在onGetPeer的方法中添加。
+   * 点播下载记录所有信息
+   *
+   * @param write true 将信息写入文件
+   * @param info 切片信息
    */
-  private void generateIndexFile() {
-    if (mTaskWrapper.getEntity().getM3U8Entity().isGenerateIndexFile()) {
-
-      String indexPath = String.format(M3U8_INDEX_FORMAT, mEntity.getFilePath());
-      File indexFile = new File(indexPath);
-      if (indexFile.exists()) {
-        FileUtil.deleteFile(indexPath);
-      }
-      FileUtil.createFile(indexPath);
-
-      FileOutputStream fos = null;
-      try {
-        fos = new FileOutputStream(indexFile);
-        for (String str : mInfos) {
-          byte[] by = str.concat("\r\n").getBytes(Charset.forName("UTF-8"));
-          fos.write(by, 0, by.length);
-        }
-        fos.flush();
-      } catch (FileNotFoundException e) {
-        e.printStackTrace();
-      } catch (IOException e) {
-        e.printStackTrace();
-      } finally {
-        if (fos != null) {
-          try {
-            fos.close();
-          } catch (IOException e) {
-            e.printStackTrace();
-          }
-        }
-      }
+  private void addIndexInfo(boolean write, FileOutputStream fos, String info)
+      throws IOException {
+    if (!write) {
+      return;
     }
+    fos.write(info.concat("\r\n").getBytes(Charset.forName("UTF-8")));
   }
 
   /**
diff --git a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8RecordAdapter.java b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8RecordAdapter.java
index 25de650f..8ba21d6b 100644
--- a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8RecordAdapter.java
+++ b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8RecordAdapter.java
@@ -24,6 +24,7 @@ import com.arialyy.aria.core.download.M3U8Entity;
 import com.arialyy.aria.core.inf.IRecordHandler;
 import com.arialyy.aria.core.wrapper.ITaskWrapper;
 import com.arialyy.aria.util.ALog;
+import com.arialyy.aria.util.FileUtil;
 import com.arialyy.aria.util.RecordUtil;
 import java.io.File;
 import java.util.ArrayList;
@@ -42,7 +43,7 @@ public class M3U8RecordAdapter extends AbsRecordHandlerAdapter {
 
   @Override public void onPre() {
     super.onPre();
-    if (getWrapper().getRequestType() == ITaskWrapper.M3U8_LIVE){
+    if (getWrapper().getRequestType() == ITaskWrapper.M3U8_LIVE) {
       RecordUtil.delTaskRecord(getEntity().getFilePath(), IRecordHandler.TYPE_DOWNLOAD);
     }
   }
@@ -54,18 +55,22 @@ public class M3U8RecordAdapter extends AbsRecordHandlerAdapter {
     String cacheDir = mOption.getCacheDir();
     long currentProgress = 0;
     int completeNum = 0;
+    File targetFile = new File(mTaskRecord.filePath);
+    if (!targetFile.exists()){
+      FileUtil.createFile(targetFile);
+    }
 
     M3U8Entity m3U8Entity = ((DownloadEntity) getEntity()).getM3U8Entity();
     // 重新下载所有切片
     boolean reDownload =
-        (m3U8Entity.getPeerNum() <= 0 || (m3U8Entity.isGenerateIndexFile() && !new File(
+        (m3U8Entity.getPeerNum() <= 0 || (mOption.isGenerateIndexFile() && !new File(
             String.format(M3U8InfoThread.M3U8_INDEX_FORMAT, getEntity().getFilePath())).exists()));
 
     for (ThreadRecord record : mTaskRecord.threadRecords) {
       File temp = new File(BaseM3U8Loader.getTsFilePath(cacheDir, record.threadId));
       if (!record.isComplete || reDownload) {
         if (temp.exists()) {
-          temp.delete();
+          FileUtil.deleteFile(temp);
         }
         record.startLocation = 0;
         //ALog.d(TAG, String.format("分片【%s】未完成，将重新下载该分片", record.threadId));
diff --git a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8TaskOption.java b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8TaskOption.java
index 591cbf87..cd1c663d 100644
--- a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8TaskOption.java
+++ b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8TaskOption.java
@@ -101,14 +101,14 @@ public class M3U8TaskOption implements ITaskOption {
   /**
    * 生成索引占位字段
    */
-  private boolean generateIndexFileTemp = false;
+  private boolean generateIndexFile = false;
 
-  public boolean isGenerateIndexFileTemp() {
-    return generateIndexFileTemp;
+  public boolean isGenerateIndexFile() {
+    return generateIndexFile;
   }
 
-  public void setGenerateIndexFileTemp(boolean generateIndexFileTemp) {
-    this.generateIndexFileTemp = generateIndexFileTemp;
+  public void setGenerateIndexFile(boolean generateIndexFile) {
+    this.generateIndexFile = generateIndexFile;
   }
 
   public int getJumpIndex() {
diff --git a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8ThreadTaskAdapter.java b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8ThreadTaskAdapter.java
index dee64820..41d86041 100644
--- a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8ThreadTaskAdapter.java
+++ b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/M3U8ThreadTaskAdapter.java
@@ -89,6 +89,14 @@ public class M3U8ThreadTaskAdapter extends AbsThreadTaskAdapter {
         }
       }
 
+      int code = conn.getResponseCode();
+      if (code != HttpURLConnection.HTTP_OK) {
+        fail(new TaskException(TAG,
+                String.format("连接错误，http错误码：%s，url：%s", code, getThreadConfig().url)),
+            false);
+        return;
+      }
+
       is = new BufferedInputStream(ConnectionHelp.convertInputStream(conn));
       if (mHttpTaskOption.isChunked()) {
         readChunked(is);
diff --git a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/live/M3U8LiveLoader.java b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/live/M3U8LiveLoader.java
index 297e5322..f474d7dd 100644
--- a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/live/M3U8LiveLoader.java
+++ b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/live/M3U8LiveLoader.java
@@ -24,17 +24,22 @@ import com.arialyy.aria.core.common.SubThreadConfig;
 import com.arialyy.aria.core.download.DTaskWrapper;
 import com.arialyy.aria.core.inf.IThreadState;
 import com.arialyy.aria.core.listener.IEventListener;
+import com.arialyy.aria.core.listener.ISchedulers;
 import com.arialyy.aria.core.manager.ThreadTaskManager;
+import com.arialyy.aria.core.processor.ITsMergeHandler;
 import com.arialyy.aria.core.task.ThreadTask;
 import com.arialyy.aria.m3u8.BaseM3U8Loader;
-import com.arialyy.aria.core.processor.ITsMergeHandler;
 import com.arialyy.aria.m3u8.IdGenerator;
 import com.arialyy.aria.m3u8.M3U8Listener;
+import com.arialyy.aria.m3u8.M3U8TaskOption;
 import com.arialyy.aria.m3u8.M3U8ThreadTaskAdapter;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.FileUtil;
 import java.io.File;
+import java.io.FileOutputStream;
 import java.io.FilenameFilter;
+import java.io.IOException;
+import java.nio.charset.Charset;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.ArrayBlockingQueue;
@@ -42,6 +47,8 @@ import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.locks.Condition;
 import java.util.concurrent.locks.ReentrantLock;
 
+import static com.arialyy.aria.m3u8.M3U8InfoThread.M3U8_INDEX_FORMAT;
+
 /**
  * M3U8点播文件下载器
  */
@@ -49,15 +56,21 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
   /**
    * 最大执行数
    */
-  private static final int EXEC_MAX_NUM = 4;
+  private static int EXEC_MAX_NUM = 4;
   private Handler mStateHandler;
   private ArrayBlockingQueue<Long> mFlagQueue = new ArrayBlockingQueue<>(EXEC_MAX_NUM);
   private ReentrantLock LOCK = new ReentrantLock();
   private Condition mCondition = LOCK.newCondition();
-  private LinkedBlockingQueue<String> mPeerQueue = new LinkedBlockingQueue<>();
+  private LinkedBlockingQueue<ExtInfo> mPeerQueue = new LinkedBlockingQueue<>();
+  private ExtInfo mCurExtInfo;
+  private FileOutputStream mIndexFos;
 
   M3U8LiveLoader(M3U8Listener listener, DTaskWrapper wrapper) {
     super(listener, wrapper);
+    if (((M3U8TaskOption) wrapper.getM3u8Option()).isGenerateIndexFile()) {
+      ALog.i(TAG, "直播文件下载，创建索引文件的操作将导致只能同时下载一个切片");
+      EXEC_MAX_NUM = 1;
+    }
   }
 
   @Override protected IThreadState createStateManager(Looper looper) {
@@ -66,8 +79,8 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
     return manager;
   }
 
-  void offerPeer(String peerUrl) {
-    mPeerQueue.offer(peerUrl);
+  void offerPeer(ExtInfo extInfo) {
+    mPeerQueue.offer(extInfo);
   }
 
   @Override protected void handleTask() {
@@ -80,13 +93,14 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
           try {
             LOCK.lock();
             while (mFlagQueue.size() < EXEC_MAX_NUM) {
-              String url = mPeerQueue.poll();
-              if (url == null) {
+              ExtInfo extInfo = mPeerQueue.poll();
+              if (extInfo == null) {
                 break;
               }
-              ThreadTask task = createThreadTask(cacheDir, index, url);
+              mCurExtInfo = extInfo;
+              ThreadTask task = createThreadTask(cacheDir, index, extInfo.url);
               getTaskList().put(index, task);
-              mFlagQueue.offer(startThreadTask(task));
+              mFlagQueue.offer(startThreadTask(task, task.getConfig().peerIndex));
               index++;
             }
             if (mFlagQueue.size() > 0) {
@@ -106,11 +120,15 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
     return mTempFile.length();
   }
 
-  private void notifyLock() {
+  private void notifyLock(boolean success, int peerId) {
     try {
       LOCK.lock();
       long id = mFlagQueue.take();
-      ALog.d(TAG, String.format("线程【%s】完成", id));
+      if (success) {
+        ALog.d(TAG, String.format("切片【%s】下载成功", peerId));
+      } else {
+        ALog.e(TAG, String.format("切片【%s】下载失败", peerId));
+      }
       mCondition.signalAll();
     } catch (InterruptedException e) {
       e.printStackTrace();
@@ -119,13 +137,27 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
     }
   }
 
+  @Override protected void onPostStop() {
+    super.onPostStop();
+    if (mIndexFos != null) {
+      try {
+        mIndexFos.close();
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
+    }
+  }
+
   /**
    * 启动线程任务
    *
    * @return 线程唯一id标志
    */
-  private long startThreadTask(ThreadTask task) {
+  private long startThreadTask(ThreadTask task, int indexId) {
     ThreadTaskManager.getInstance().startThread(mTaskWrapper.getKey(), task);
+    ((M3U8Listener) mListener).onPeerStart(mTaskWrapper.getKey(),
+        task.getConfig().tempFile.getPath(),
+        indexId);
     return IdGenerator.getInstance().nextId();
   }
 
@@ -139,6 +171,7 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
     record.tsUrl = tsUrl;
     record.threadType = TaskRecord.TYPE_M3U8_LIVE;
     record.threadId = indexId;
+    mRecord.threadRecords.add(record);
 
     SubThreadConfig config = new SubThreadConfig();
     config.url = tsUrl;
@@ -148,6 +181,7 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
     config.taskWrapper = mTaskWrapper;
     config.record = record;
     config.stateHandler = mStateHandler;
+    config.peerIndex = indexId;
 
     if (!config.tempFile.exists()) {
       FileUtil.createFile(config.tempFile);
@@ -163,10 +197,7 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
    *
    * @return {@code true} 合并成功，{@code false}合并失败
    */
-  public boolean mergeFile() {
-    if (getEntity().getM3U8Entity().isGenerateIndexFile()) {
-      return generateIndexFile();
-    }
+  boolean mergeFile() {
     ITsMergeHandler mergeHandler = mM3U8Option.getMergeHandler();
     String cacheDir = getCacheDir();
     List<String> partPath = new ArrayList<>();
@@ -213,7 +244,7 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
     /**
      * 任务状态回调
      */
-    private IEventListener mListener;
+    private M3U8Listener mListener;
     private long mProgress; //当前总进度
     private Looper mLooper;
 
@@ -222,7 +253,7 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
      */
     LiveStateManager(Looper looper, IEventListener listener) {
       mLooper = looper;
-      mListener = listener;
+      mListener = (M3U8Listener) listener;
     }
 
     /**
@@ -234,6 +265,7 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
     }
 
     @Override public boolean handleMessage(Message msg) {
+      int peerIndex = msg.getData().getInt(ISchedulers.DATA_M3U8_PEER_INDEX);
       switch (msg.what) {
         case STATE_STOP:
           if (isBreak()) {
@@ -248,15 +280,46 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
           }
           break;
         case STATE_COMPLETE:
-          notifyLock();
+          notifyLock(true, peerIndex);
+          if (mM3U8Option.isGenerateIndexFile() && !isBreak()) {
+            addExtInf(mCurExtInfo.url, mCurExtInfo.extInf);
+          }
+          mListener.onPeerComplete(mTaskWrapper.getKey(),
+              msg.getData().getString(ISchedulers.DATA_M3U8_PEER_PATH), peerIndex);
           break;
         case STATE_RUNNING:
           mProgress += (long) msg.obj;
           break;
+        case STATE_FAIL:
+          notifyLock(false, peerIndex);
+          mListener.onPeerFail(mTaskWrapper.getKey(),
+              msg.getData().getString(ISchedulers.DATA_M3U8_PEER_PATH), peerIndex);
+          break;
       }
       return false;
     }
 
+    /**
+     * 给索引文件添加extInfo信息
+     */
+    private void addExtInf(String url, String extInf) {
+      File indexFile =
+          new File(String.format(M3U8_INDEX_FORMAT, getEntity().getFilePath()));
+      if (!indexFile.exists()) {
+        ALog.e(TAG, String.format("索引文件【%s】不存在，添加peer的extInf失败", indexFile.getPath()));
+        return;
+      }
+      try {
+        if (mIndexFos == null) {
+          mIndexFos = new FileOutputStream(indexFile, true);
+        }
+        mIndexFos.write(extInf.concat("\r\n").getBytes(Charset.forName("UTF-8")));
+        mIndexFos.write(url.concat("\r\n").getBytes(Charset.forName("UTF-8")));
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
+    }
+
     @Override public boolean isFail() {
       return false;
     }
@@ -269,4 +332,14 @@ public class M3U8LiveLoader extends BaseM3U8Loader {
       return mProgress;
     }
   }
+
+  static class ExtInfo {
+    String url;
+    String extInf;
+
+    ExtInfo(String url, String extInf) {
+      this.url = url;
+      this.extInf = extInf;
+    }
+  }
 }
diff --git a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/live/M3U8LiveUtil.java b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/live/M3U8LiveUtil.java
index 3620fc03..17a62bcf 100644
--- a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/live/M3U8LiveUtil.java
+++ b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/live/M3U8LiveUtil.java
@@ -27,6 +27,7 @@ import com.arialyy.aria.core.processor.ILiveTsUrlConverter;
 import com.arialyy.aria.core.wrapper.AbsTaskWrapper;
 import com.arialyy.aria.exception.BaseException;
 import com.arialyy.aria.exception.M3U8Exception;
+import com.arialyy.aria.exception.TaskException;
 import com.arialyy.aria.http.HttpTaskOption;
 import com.arialyy.aria.m3u8.M3U8InfoThread;
 import com.arialyy.aria.m3u8.M3U8Listener;
@@ -87,7 +88,7 @@ public class M3U8LiveUtil extends AbsNormalLoaderUtil {
           }
         });
     infoThread.setOnGetPeerCallback(new M3U8InfoThread.OnGetLivePeerCallback() {
-      @Override public void onGetPeer(String url) {
+      @Override public void onGetPeer(String url, String extInf) {
         if (mPeerUrls.contains(url)) {
           return;
         }
@@ -104,7 +105,7 @@ public class M3U8LiveUtil extends AbsNormalLoaderUtil {
           fail(new M3U8Exception(TAG, String.format("ts地址错误，url：%s", url)), false);
           return;
         }
-        getLoader().offerPeer(url);
+        getLoader().offerPeer(new M3U8LiveLoader.ExtInfo(url, extInf));
       }
     });
     return infoThread;
@@ -129,7 +130,13 @@ public class M3U8LiveUtil extends AbsNormalLoaderUtil {
     if (mInfoThread != null) {
       mInfoThread.setStop(true);
       closeTimer();
-      if (mM3U8Option.isMergeFile()) {
+      if (((M3U8TaskOption) getTaskWrapper().getM3u8Option()).isGenerateIndexFile()) {
+        if (getLoader().generateIndexFile(true)) {
+          getListener().onComplete();
+        } else {
+          getListener().onFail(false, new TaskException(TAG, "创建索引文件失败"));
+        }
+      } else if (mM3U8Option.isMergeFile()) {
         if (getLoader().mergeFile()) {
           getListener().onComplete();
         } else {
diff --git a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/vod/M3U8VodLoader.java b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/vod/M3U8VodLoader.java
index 19211a57..c88fa5e2 100644
--- a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/vod/M3U8VodLoader.java
+++ b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/vod/M3U8VodLoader.java
@@ -31,14 +31,16 @@ import com.arialyy.aria.core.inf.IThreadState;
 import com.arialyy.aria.core.listener.IEventListener;
 import com.arialyy.aria.core.listener.ISchedulers;
 import com.arialyy.aria.core.manager.ThreadTaskManager;
+import com.arialyy.aria.core.processor.ITsMergeHandler;
 import com.arialyy.aria.core.task.ThreadTask;
 import com.arialyy.aria.exception.BaseException;
+import com.arialyy.aria.exception.TaskException;
 import com.arialyy.aria.m3u8.BaseM3U8Loader;
-import com.arialyy.aria.core.processor.ITsMergeHandler;
 import com.arialyy.aria.m3u8.M3U8Listener;
 import com.arialyy.aria.m3u8.M3U8TaskOption;
 import com.arialyy.aria.m3u8.M3U8ThreadTaskAdapter;
 import com.arialyy.aria.util.ALog;
+import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.aria.util.FileUtil;
 import java.io.File;
 import java.util.ArrayList;
@@ -219,6 +221,12 @@ public class M3U8VodLoader extends BaseM3U8Loader {
       }
     }
     mManager.updateStateCount();
+    if (mCompleteNum <= 0){
+      mListener.onStart(0);
+    }else {
+      int percent = mCompleteNum * 100 / mRecord.threadRecords.size();
+      mListener.onResume(percent);
+    }
   }
 
   /**
@@ -446,7 +454,7 @@ public class M3U8VodLoader extends BaseM3U8Loader {
    * M3U8线程状态管理
    */
   private class VodStateManager implements IThreadState {
-    private final String TAG = "M3U8ThreadStateManager";
+    private final String TAG = CommonUtil.getClassName(VodStateManager.class);
 
     /**
      * 任务状态回调
@@ -456,7 +464,7 @@ public class M3U8VodLoader extends BaseM3U8Loader {
     private int cancelNum = 0; // 已经取消的线程的数
     private int stopNum = 0;  // 已经停止的线程数
     private int failNum = 0;  // 失败的线程数
-    private long progress; //当前总进度
+    private long progress; //当前总进度，百分比进度
     private TaskRecord taskRecord; // 任务记录
     private Looper looper;
 
@@ -559,7 +567,14 @@ public class M3U8VodLoader extends BaseM3U8Loader {
                 "startThreadNum = %s, stopNum = %s, cancelNum = %s, failNum = %s, completeNum = %s, flagQueueSize = %s",
                 startThreadNum, stopNum, cancelNum, failNum, mCompleteNum, mFlagQueue.size()));
             ALog.d(TAG, String.format("vod任务【%s】完成", mTempFile.getName()));
-            if (mM3U8Option.isMergeFile()) {
+
+            if (mM3U8Option.isGenerateIndexFile()) {
+              if (generateIndexFile(false)){
+                listener.onComplete();
+              }else {
+                listener.onFail(false, new TaskException(TAG, "创建索引文件失败"));
+              }
+            } else if (mM3U8Option.isMergeFile()) {
               if (mergeFile()) {
                 listener.onComplete();
               } else {
@@ -572,7 +587,7 @@ public class M3U8VodLoader extends BaseM3U8Loader {
           }
           break;
         case STATE_RUNNING:
-          progress += (long) msg.obj;
+          //progress += (long) msg.obj;
           break;
       }
       return true;
@@ -596,6 +611,7 @@ public class M3U8VodLoader extends BaseM3U8Loader {
       int percent = completeNum * 100 / taskRecord.threadRecords.size();
       getEntity().setPercent(percent);
       getEntity().update();
+      progress = percent;
     }
 
     @Override public boolean isFail() {
@@ -625,9 +641,6 @@ public class M3U8VodLoader extends BaseM3U8Loader {
      * @return {@code true} 合并成功，{@code false}合并失败
      */
     private boolean mergeFile() {
-      if (getEntity().getM3U8Entity().isGenerateIndexFile()) {
-        return generateIndexFile();
-      }
       ITsMergeHandler mergeHandler = mM3U8Option.getMergeHandler();
       String cacheDir = getCacheDir();
       List<String> partPath = new ArrayList<>();
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/download/M3U8Entity.java b/PublicComponent/src/main/java/com/arialyy/aria/core/download/M3U8Entity.java
index 05a01a41..2a04816f 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/download/M3U8Entity.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/download/M3U8Entity.java
@@ -58,11 +58,6 @@ public class M3U8Entity extends DbEntity implements Parcelable {
    */
   private String cacheDir;
 
-  /**
-   * 生成索引
-   */
-  private boolean generateIndexFile;
-
   /**
    * 加密key保存地址
    */
@@ -115,14 +110,6 @@ public class M3U8Entity extends DbEntity implements Parcelable {
     this.iv = iv;
   }
 
-  public boolean isGenerateIndexFile() {
-    return generateIndexFile;
-  }
-
-  public void setGenerateIndexFile(boolean generateIndexFile) {
-    this.generateIndexFile = generateIndexFile;
-  }
-
   public boolean isLive() {
     return isLive;
   }
@@ -248,7 +235,6 @@ public class M3U8Entity extends DbEntity implements Parcelable {
     dest.writeInt(this.peerNum);
     dest.writeByte(this.isLive ? (byte) 1 : (byte) 0);
     dest.writeString(this.cacheDir);
-    dest.writeByte(this.generateIndexFile ? (byte) 1 : (byte) 0);
     dest.writeString(this.keyPath);
     dest.writeString(this.keyUrl);
     dest.writeString(this.method);
@@ -261,7 +247,6 @@ public class M3U8Entity extends DbEntity implements Parcelable {
     this.peerNum = in.readInt();
     this.isLive = in.readByte() != 0;
     this.cacheDir = in.readString();
-    this.generateIndexFile = in.readByte() != 0;
     this.keyPath = in.readString();
     this.keyUrl = in.readString();
     this.method = in.readString();
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/group/AbsGroupUtil.java b/PublicComponent/src/main/java/com/arialyy/aria/core/group/AbsGroupUtil.java
index fdd80a2f..0b1999a8 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/group/AbsGroupUtil.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/group/AbsGroupUtil.java
@@ -80,7 +80,7 @@ public abstract class AbsGroupUtil implements IUtil, Runnable {
   /**
    * 初始化组合任务状态
    */
-  protected void initState() {
+  private void initState() {
     mState = new GroupRunState(getWrapper().getKey(), mListener,
         mGTWrapper.getSubTaskWrapper().size(), mSubQueue);
     for (DTaskWrapper wrapper : mGTWrapper.getSubTaskWrapper()) {
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/loader/NormalLoader.java b/PublicComponent/src/main/java/com/arialyy/aria/core/loader/NormalLoader.java
index 1fd67739..e778b5f6 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/loader/NormalLoader.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/loader/NormalLoader.java
@@ -200,8 +200,7 @@ public class NormalLoader extends AbsLoader {
       ALog.d(TAG, String.format("进度修正，当前进度：%s", currentProgress));
       getEntity().setCurrentProgress(currentProgress);
     }
-    mStateHandler.obtainMessage(IThreadState.STATE_UPDATE_PROGRESS, currentProgress)
-        .sendToTarget();
+    mStateManager.updateProgress(currentProgress);
     startThreadTask();
   }
 
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/loader/ThreadStateManager.java b/PublicComponent/src/main/java/com/arialyy/aria/core/loader/ThreadStateManager.java
index b7fec6fa..1e6fc16a 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/loader/ThreadStateManager.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/loader/ThreadStateManager.java
@@ -19,9 +19,9 @@ import android.os.Bundle;
 import android.os.Looper;
 import android.os.Message;
 import com.arialyy.aria.core.TaskRecord;
-import com.arialyy.aria.core.listener.IEventListener;
 import com.arialyy.aria.core.inf.IRecordHandler;
 import com.arialyy.aria.core.inf.IThreadState;
+import com.arialyy.aria.core.listener.IEventListener;
 import com.arialyy.aria.exception.BaseException;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.FileUtil;
@@ -59,6 +59,13 @@ public class ThreadStateManager implements IThreadState {
     mListener = listener;
   }
 
+  /**
+   * 不要使用handle更新启动线程的进度，因为有延迟
+   */
+  void updateProgress(long curProgress) {
+    mProgress = curProgress;
+  }
+
   @Override public boolean handleMessage(Message msg) {
     switch (msg.what) {
       case STATE_STOP:
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/task/AbsNormalLoaderAdapter.java b/PublicComponent/src/main/java/com/arialyy/aria/core/task/AbsNormalLoaderAdapter.java
index 1515e27a..2865781b 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/task/AbsNormalLoaderAdapter.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/task/AbsNormalLoaderAdapter.java
@@ -22,7 +22,7 @@ import com.arialyy.aria.util.CommonUtil;
 import java.io.File;
 
 /**
- * 但文件任务适配器
+ * 单文件任务适配器
  *
  * @Author lyy
  * @Date 2019-09-19
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/task/AbsThreadTaskAdapter.java b/PublicComponent/src/main/java/com/arialyy/aria/core/task/AbsThreadTaskAdapter.java
index f9d9679a..4869426c 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/task/AbsThreadTaskAdapter.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/task/AbsThreadTaskAdapter.java
@@ -97,7 +97,7 @@ public abstract class AbsThreadTaskAdapter implements IThreadTaskAdapter {
     return mThreadConfig;
   }
 
-  @Override public void setThreadStateObserver(IThreadTaskObserver observer) {
+  @Override public void attach(IThreadTaskObserver observer) {
     mObserver = observer;
   }
 
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTaskAdapter.java b/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTaskAdapter.java
index f03deb65..1e1a1102 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTaskAdapter.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTaskAdapter.java
@@ -36,7 +36,7 @@ public interface IThreadTaskAdapter {
   void setMaxSpeed(int speed);
 
   /**
-   * 设置线程任务状态观察者
+   * 注册观察者
    */
-  void setThreadStateObserver(IThreadTaskObserver observer);
+  void attach(IThreadTaskObserver observer);
 }
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/task/ThreadTask.java b/PublicComponent/src/main/java/com/arialyy/aria/core/task/ThreadTask.java
index 23722c8b..23df702b 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/task/ThreadTask.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/task/ThreadTask.java
@@ -33,6 +33,7 @@ import com.arialyy.aria.core.wrapper.ITaskWrapper;
 import com.arialyy.aria.exception.BaseException;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.BufferedRandomAccessFile;
+import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.aria.util.ErrorHelp;
 import com.arialyy.aria.util.FileUtil;
 import com.arialyy.aria.util.NetUtils;
@@ -49,7 +50,7 @@ public class ThreadTask implements IThreadTask, IThreadTaskObserver {
    * 线程重试次数
    */
   private final int RETRY_NUM = 2;
-  private final String TAG = "AbsThreadTask";
+  private final String TAG = CommonUtil.getClassName(getClass());
   private IEntity mEntity;
   protected AbsTaskWrapper mTaskWrapper;
   private int mFailTimes = 0;
@@ -94,7 +95,7 @@ public class ThreadTask implements IThreadTask, IThreadTaskObserver {
    */
   public void setAdapter(IThreadTaskAdapter adapter) {
     mAdapter = adapter;
-    mAdapter.setThreadStateObserver(this);
+    mAdapter.attach(this);
   }
 
   /**
@@ -335,7 +336,7 @@ public class ThreadTask implements IThreadTask, IThreadTaskObserver {
    */
   protected void fail(final long subCurrentLocation, BaseException ex, boolean needRetry) {
     if (ex != null) {
-      ALog.e(TAG, ALog.getExceptionString(ex));
+      ex.printStackTrace();
     }
     if (mTaskWrapper.getRequestType() == ITaskWrapper.M3U8_VOD) {
       writeConfig(false, 0);
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/util/CheckUtil.java b/PublicComponent/src/main/java/com/arialyy/aria/util/CheckUtil.java
index 34149011..28915e3e 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/util/CheckUtil.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/util/CheckUtil.java
@@ -17,6 +17,9 @@
 package com.arialyy.aria.util;
 
 import android.text.TextUtils;
+import com.arialyy.aria.core.download.DownloadEntity;
+import com.arialyy.aria.core.inf.IRecordHandler;
+import com.arialyy.aria.orm.DbEntity;
 import java.lang.reflect.Modifier;
 import java.util.List;
 
@@ -27,6 +30,27 @@ import java.util.List;
 public class CheckUtil {
   private static final String TAG = "CheckUtil";
 
+  /**
+   * 检查和处理路径冲突
+   *
+   * @param isForceDownload true，如果路径冲突，将删除其它任务的记录的
+   * @param filePath 文件保存路径
+   * @return false 任务不再执行，true 任务继续执行
+   */
+  public static boolean checkAndHandlePathConflicts(boolean isForceDownload, String filePath) {
+    if (DbEntity.checkDataExist(DownloadEntity.class, "downloadPath=?", filePath)) {
+      if (!isForceDownload) {
+        ALog.e(TAG, String.format("下载失败，保存路径【%s】已经被其它任务占用，请设置其它保存路径", filePath));
+        return false;
+      } else {
+        ALog.w(TAG, String.format("保存路径【%s】已经被其它任务占用，当前任务将覆盖该路径的文件", filePath));
+        RecordUtil.delTaskRecord(filePath, IRecordHandler.TYPE_DOWNLOAD);
+        return true;
+      }
+    }
+    return true;
+  }
+
   /**
    * 检查成员类是否是静态和public
    */
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/util/RecordUtil.java b/PublicComponent/src/main/java/com/arialyy/aria/util/RecordUtil.java
index a76cf20d..5ce2fba6 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/util/RecordUtil.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/util/RecordUtil.java
@@ -295,7 +295,7 @@ public class RecordUtil {
   }
 
   /**
-   * 删除ts文件
+   * 删除ts文件，和索引文件（如果有的话）
    */
   private static void removeTsCache(File targetFile, long bandWidth) {
 
@@ -321,6 +321,12 @@ public class RecordUtil {
         cDir.delete();
       }
     }
+
+    File indexFile = new File(String.format("%s.index", targetFile.getPath()));
+
+    if (indexFile.exists()) {
+      indexFile.delete();
+    }
   }
 
   /**
diff --git a/README.md b/README.md
index f7fe2dae..a1adfe46 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ Aria有以下特点：
 
 [怎样使用Aria?](#使用)
 
-如果你觉得Aria对你有帮助，您的star和issues将是对我最大支持.`^_^`
+如果你觉得Aria对你有帮助，你的star和issues将是对我最大支持，当然，也非常欢迎你能PR，[PR方法](https://www.zhihu.com/question/21682976/answer/79489643)`^_^`
 
 ## 示例
 * 多任务下载
@@ -44,16 +44,16 @@ Aria有以下特点：
 
 ## 引入库
 [![license](http://img.shields.io/badge/license-Apache2.0-brightgreen.svg?style=flat)](https://github.com/AriaLyy/Aria/blob/master/LICENSE)
-[![Core](https://img.shields.io/badge/Core-3.7.4-blue)](https://github.com/AriaLyy/Aria)
-[![Compiler](https://img.shields.io/badge/Compiler-3.7.4-blue)](https://github.com/AriaLyy/Aria)
-[![FtpComponent](https://img.shields.io/badge/FtpComponent-3.7.4-orange)](https://github.com/AriaLyy/Aria)
-[![M3U8Component](https://img.shields.io/badge/M3U8Component-3.7.4-orange)](https://github.com/AriaLyy/Aria)
+[![Core](https://img.shields.io/badge/Core-3.7.5-blue)](https://github.com/AriaLyy/Aria)
+[![Compiler](https://img.shields.io/badge/Compiler-3.7.5-blue)](https://github.com/AriaLyy/Aria)
+[![FtpComponent](https://img.shields.io/badge/FtpComponent-3.7.5-orange)](https://github.com/AriaLyy/Aria)
+[![M3U8Component](https://img.shields.io/badge/M3U8Component-3.7.5-orange)](https://github.com/AriaLyy/Aria)
 
 ```java
-implementation 'com.arialyy.aria:core:3.7.4'
-annotationProcessor 'com.arialyy.aria:compiler:3.7.4'
-implementation 'com.arialyy.aria:ftpComponent:3.7.4' # 如果需要使用ftp，请增加该组件
-implementation 'com.arialyy.aria:m3u8Component:3.7.4' # 如果需要使用m3u8下载功能，请增加该组件
+implementation 'com.arialyy.aria:core:3.7.5'
+annotationProcessor 'com.arialyy.aria:compiler:3.7.5'
+implementation 'com.arialyy.aria:ftpComponent:3.7.5' # 如果需要使用ftp，请增加该组件
+implementation 'com.arialyy.aria:m3u8Component:3.7.5' # 如果需要使用m3u8下载功能，请增加该组件
 ```
 如果出现android support依赖错误，请将 `compile 'com.arialyy.aria:core:<last-version>'`替换为
 ```
@@ -137,10 +137,11 @@ protected void onCreate(Bundle savedInstanceState) {
 
 
 ### 版本日志
-    + v_3.7.4 (2019/11/2)
-       - 修复一个class被莫名改变的问题
-       - 修复非分块模式下导致的一个下载失败问题
-       - fix bug https://github.com/AriaLyy/Aria/issues/493
++ v_3.7.5 (2019/11/10)
+    - fix bug https://github.com/AriaLyy/Aria/issues/500
+    - fix bug https://github.com/AriaLyy/Aria/issues/508
+    - fix bug https://github.com/AriaLyy/Aria/issues/503
+    - 修复m3u8创建索引不成功的问题
 
 [更多版本记录](https://github.com/AriaLyy/Aria/blob/master/DEV_LOG.md)
 
@@ -164,7 +165,7 @@ protected void onCreate(Bundle savedInstanceState) {
  在提交问题前，希望你已经查看过[wiki](https://aria.laoyuyu.me/aria_doc/)或搜索过[issues](https://github.com/AriaLyy/Aria/issues)。</br>
 
 ## 打赏
- 如果觉得框架写的不错并且帮助到了你，可以请我喝杯热饮</br>
+ 如果觉得框架写的不错并且帮助到了你，可以请我喝杯热茶。`^_^`</br>
  <img src="https://raw.githubusercontent.com/AriaLyy/Aria/master/img/ali_pay.png" width=336 height=336/>
  <img src="https://raw.githubusercontent.com/AriaLyy/Aria/master/img/wx_pay.png" width=336 height=336/>
 
diff --git a/SFtpComponent/src/main/java/com/arialyy/aria/sftp/AbsSFtpFileInfoThread.java b/SFtpComponent/src/main/java/com/arialyy/aria/sftp/AbsSFtpFileInfoThread.java
new file mode 100644
index 00000000..858cf640
--- /dev/null
+++ b/SFtpComponent/src/main/java/com/arialyy/aria/sftp/AbsSFtpFileInfoThread.java
@@ -0,0 +1,58 @@
+/*
+ * 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.sftp;
+
+import com.arialyy.aria.core.inf.OnFileInfoCallback;
+import com.arialyy.aria.core.wrapper.AbsTaskWrapper;
+import com.jcraft.jsch.ChannelSftp;
+import com.jcraft.jsch.JSchException;
+
+/**
+ * 获取sftp文件信息
+ *
+ * @author lyy
+ */
+public class AbsSFtpFileInfoThread<WP extends AbsTaskWrapper> implements Runnable {
+
+  private WP mWrapper;
+  private SFtpUtil mUtil;
+  private OnFileInfoCallback mCallback;
+
+  public AbsSFtpFileInfoThread(SFtpUtil util, WP wrapper, OnFileInfoCallback callback) {
+    mWrapper = wrapper;
+    mUtil = util;
+    mCallback = callback;
+  }
+
+  @Override public void run() {
+    startFlow();
+  }
+
+  private void startFlow() {
+
+  }
+
+  private ChannelSftp createChannel() {
+    ChannelSftp sftp = null;
+    try {
+      sftp = (ChannelSftp) mUtil.getSession().openChannel(SFtpUtil.CMD_TYPE_SFTP);
+      sftp.connect();
+    } catch (JSchException e) {
+      e.printStackTrace();
+    }
+    return sftp;
+  }
+}
diff --git a/SFtpComponent/src/main/java/com/arialyy/aria/sftp/SFtpLogin.java b/SFtpComponent/src/main/java/com/arialyy/aria/sftp/SFtpUtil.java
similarity index 59%
rename from SFtpComponent/src/main/java/com/arialyy/aria/sftp/SFtpLogin.java
rename to SFtpComponent/src/main/java/com/arialyy/aria/sftp/SFtpUtil.java
index 6c8b638c..1fa1c1d8 100644
--- a/SFtpComponent/src/main/java/com/arialyy/aria/sftp/SFtpLogin.java
+++ b/SFtpComponent/src/main/java/com/arialyy/aria/sftp/SFtpUtil.java
@@ -16,24 +16,39 @@
 package com.arialyy.aria.sftp;
 
 import android.text.TextUtils;
+import com.arialyy.aria.util.ALog;
+import com.arialyy.aria.util.CommonUtil;
+import com.jcraft.jsch.ChannelExec;
 import com.jcraft.jsch.JSch;
 import com.jcraft.jsch.JSchException;
 import com.jcraft.jsch.Session;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.util.Properties;
 
 /**
- * sftp登录
+ * sftp工具类
  *
  * @author lyy
  */
-public class SFtpLogin {
-
+public class SFtpUtil {
+  private final String TAG = CommonUtil.getClassName(getClass());
+  /**
+   * 用于执行命令
+   */
+  public static final String CMD_TYPE_EXEC = "exec";
+  /**
+   * 用于处理文件
+   */
+  public static final String CMD_TYPE_SFTP = "sftp";
   private String ip, userName, password;
   private int port;
   private Session session;
   private boolean isLogin = false;
 
-  private SFtpLogin() {
+  private SFtpUtil() {
     createClient();
   }
 
@@ -55,6 +70,7 @@ public class SFtpLogin {
       config.put("StrictHostKeyChecking", "no");
       session.setConfig(config);// 为Session对象设置properties
       session.setTimeout(3000);// 设置超时
+      login();
       isLogin = true;
     } catch (JSchException e) {
       e.printStackTrace();
@@ -83,6 +99,65 @@ public class SFtpLogin {
     isLogin = false;
   }
 
+  public Session getSession() {
+    return session;
+  }
+
+  /**
+   * 执行命令
+   *
+   * @param cmd sftp命令
+   */
+  public void execCommand(String cmd) {
+    if (TextUtils.isEmpty(cmd)) {
+      ALog.e(TAG, "命令为空");
+      return;
+    }
+    if (!isLogin) {
+      ALog.e(TAG, "没有登录");
+      return;
+    }
+    ChannelExec channel = null;
+    try {
+      channel = (ChannelExec) session.openChannel(CMD_TYPE_EXEC);
+      channel.setCommand(cmd);
+      channel.connect();
+      String rst = getResult(channel.getInputStream());
+
+      ALog.i(TAG, String.format("result: %s", rst));
+    } catch (IOException e) {
+      e.printStackTrace();
+    } catch (JSchException e) {
+      e.printStackTrace();
+    } finally {
+      if (channel != null) {
+        channel.disconnect();
+      }
+    }
+  }
+
+  /**
+   * 执行命令后，获取服务器端返回的数据
+   *
+   * @return 服务器端返回的数据
+   */
+  private String getResult(InputStream in) throws IOException {
+    if (in == null){
+      ALog.e(TAG, "输入流为空");
+      return null;
+    }
+    StringBuilder sb = new StringBuilder();
+    BufferedReader isr = new BufferedReader(new InputStreamReader(in));
+    String line;
+    while ((line = isr.readLine()) != null) {
+      sb.append(line);
+    }
+    in.close();
+    isr.close();
+
+    return sb.toString();
+  }
+
   public static class Builder {
     private String ip, userName, password;
     private int port = 22;
@@ -107,8 +182,8 @@ public class SFtpLogin {
       return this;
     }
 
-    public SFtpLogin build() {
-      SFtpLogin login = new SFtpLogin();
+    public SFtpUtil build() {
+      SFtpUtil login = new SFtpUtil();
       login.ip = ip;
       login.userName = userName;
       login.password = password;
diff --git a/SFtpComponent/src/main/java/com/arialyy/aria/sftp/download/SFtpDLoaderAdapter.java b/SFtpComponent/src/main/java/com/arialyy/aria/sftp/download/SFtpDLoaderAdapter.java
new file mode 100644
index 00000000..ba0e61e8
--- /dev/null
+++ b/SFtpComponent/src/main/java/com/arialyy/aria/sftp/download/SFtpDLoaderAdapter.java
@@ -0,0 +1,40 @@
+/*
+ * 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.sftp.download;
+
+import com.arialyy.aria.core.common.SubThreadConfig;
+import com.arialyy.aria.core.task.IThreadTask;
+import com.arialyy.aria.core.task.ThreadTask;
+import com.arialyy.aria.core.wrapper.ITaskWrapper;
+import com.arialyy.aria.ftp.download.FtpDLoaderAdapter;
+
+/**
+ * sftp下载适配器
+ *
+ * @author lyy
+ */
+final class SFtpDLoaderAdapter extends FtpDLoaderAdapter {
+  SFtpDLoaderAdapter(ITaskWrapper wrapper) {
+    super(wrapper);
+  }
+
+  @Override public IThreadTask createThreadTask(SubThreadConfig config) {
+    ThreadTask threadTask = new ThreadTask(config);
+    SFtpDThreadTaskAdapter adapter = new SFtpDThreadTaskAdapter(config);
+    threadTask.setAdapter(adapter);
+    return threadTask;
+  }
+}
diff --git a/SFtpComponent/src/main/java/com/arialyy/aria/sftp/download/SFtpDLoaderUtil.java b/SFtpComponent/src/main/java/com/arialyy/aria/sftp/download/SFtpDLoaderUtil.java
new file mode 100644
index 00000000..5b691cf9
--- /dev/null
+++ b/SFtpComponent/src/main/java/com/arialyy/aria/sftp/download/SFtpDLoaderUtil.java
@@ -0,0 +1,71 @@
+/*
+ * 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.sftp.download;
+
+import com.arialyy.aria.core.common.AbsEntity;
+import com.arialyy.aria.core.common.CompleteInfo;
+import com.arialyy.aria.core.download.DTaskWrapper;
+import com.arialyy.aria.core.inf.OnFileInfoCallback;
+import com.arialyy.aria.core.listener.IEventListener;
+import com.arialyy.aria.core.loader.AbsLoader;
+import com.arialyy.aria.core.loader.AbsNormalLoaderUtil;
+import com.arialyy.aria.core.loader.NormalLoader;
+import com.arialyy.aria.core.wrapper.AbsTaskWrapper;
+import com.arialyy.aria.exception.BaseException;
+import com.arialyy.aria.ftp.FtpTaskOption;
+import com.arialyy.aria.sftp.AbsSFtpFileInfoThread;
+import com.arialyy.aria.sftp.SFtpUtil;
+
+/**
+ * sftp下载工具
+ *
+ * @author lyy
+ */
+public class SFtpDLoaderUtil extends AbsNormalLoaderUtil {
+
+  private SFtpUtil mSftpUtil;
+
+  protected SFtpDLoaderUtil(AbsTaskWrapper wrapper, IEventListener listener) {
+    super(wrapper, listener);
+    wrapper.generateTaskOption(FtpTaskOption.class);
+    FtpTaskOption option = (FtpTaskOption) wrapper.getTaskOption();
+    mSftpUtil = new SFtpUtil.Builder()
+        .setIp(option.getUrlEntity().hostName)
+        .setPort(Integer.parseInt(option.getUrlEntity().port))
+        .setUserName(option.getUrlEntity().user)
+        .setPassword(option.getUrlEntity().password)
+        .build();
+  }
+
+  @Override protected AbsLoader createLoader() {
+    NormalLoader loader = new NormalLoader(getListener(), getTaskWrapper());
+    loader.setAdapter(new SFtpDLoaderAdapter(getTaskWrapper()));
+    return loader;
+  }
+
+  @Override protected Runnable createInfoThread() {
+    return new AbsSFtpFileInfoThread<>(mSftpUtil, (DTaskWrapper) getTaskWrapper(), new OnFileInfoCallback() {
+      @Override public void onComplete(String key, CompleteInfo info) {
+
+      }
+
+      @Override public void onFail(AbsEntity entity, BaseException e, boolean needRetry) {
+
+        mSftpUtil.logout();
+      }
+    });
+  }
+}
diff --git a/SFtpComponent/src/main/java/com/arialyy/aria/sftp/download/SFtpDThreadTaskAdapter.java b/SFtpComponent/src/main/java/com/arialyy/aria/sftp/download/SFtpDThreadTaskAdapter.java
new file mode 100644
index 00000000..e4f4caf2
--- /dev/null
+++ b/SFtpComponent/src/main/java/com/arialyy/aria/sftp/download/SFtpDThreadTaskAdapter.java
@@ -0,0 +1,35 @@
+/*
+ * 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.sftp.download;
+
+import com.arialyy.aria.core.common.SubThreadConfig;
+import com.arialyy.aria.core.task.AbsThreadTaskAdapter;
+
+/**
+ * sftp 线程任务适配器
+ *
+ * @author lyy
+ */
+public class SFtpDThreadTaskAdapter extends AbsThreadTaskAdapter {
+
+  SFtpDThreadTaskAdapter(SubThreadConfig config) {
+    super(config);
+  }
+
+  @Override protected void handlerThreadTask() {
+
+  }
+}
diff --git a/app/src/main/java/com/arialyy/simple/core/download/DownloadModule.java b/app/src/main/java/com/arialyy/simple/core/download/DownloadModule.java
index 046eb007..800ec4e3 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/DownloadModule.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/DownloadModule.java
@@ -71,6 +71,29 @@ public class DownloadModule extends BaseModule {
     return list;
   }
 
+  /**
+   * 创建m3u8下载地址
+   */
+  public List<FileListEntity> createM3u8TestList(){
+    String[] names = new String[]{"m3u8test1.ts", "m3u8test2.ts"};
+    String[] urls = new String[]{
+        "http://qn.shytong.cn/b83137769ff6b555/11b0c9970f9a3fa0.mp4.m3u8",
+        "http://qn.shytong.cn/8f4011f2a31bd347da42b54fe37a7ba8-transcode.m3u8"
+    };
+    List<FileListEntity> list = new ArrayList<>();
+    int i = 0;
+    for (String name : names) {
+      FileListEntity entity = new FileListEntity();
+      entity.name = name;
+      entity.key = urls[i];
+      entity.type = 2;
+      entity.downloadPath = Environment.getExternalStorageDirectory() + "/Download/" + name;
+      list.add(entity);
+      i++;
+    }
+    return list;
+  }
+
   private String[] getStringArray(int array) {
     return getContext().getResources().getStringArray(array);
   }
@@ -91,7 +114,7 @@ public class DownloadModule extends BaseModule {
     FileListEntity entity = new FileListEntity();
     entity.urls = getStringArray(urls);
     entity.names = getStringArray(names);
-    entity.isGroup = true;
+    entity.type = 1;
     entity.name = alias;
     entity.key = CommonUtil.getMd5Code(Arrays.asList(entity.urls));
     entity.downloadPath = Environment.getExternalStorageDirectory() + "/Download/" + alias;
diff --git a/app/src/main/java/com/arialyy/simple/core/download/SingleTaskActivity.java b/app/src/main/java/com/arialyy/simple/core/download/SingleTaskActivity.java
index 64c0b12c..48a9f3cb 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/SingleTaskActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/SingleTaskActivity.java
@@ -215,6 +215,7 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
 
   @Download.onTaskResume
   void taskResume(DownloadTask task) {
+    ALog.d(TAG, "resume");
     if (task.getKey().equals(mUrl)) {
       getBinding().setStateStr(getString(R.string.stop));
     }
diff --git a/app/src/main/java/com/arialyy/simple/core/download/group/FTPDirDownloadActivity.java b/app/src/main/java/com/arialyy/simple/core/download/group/FTPDirDownloadActivity.java
index 8f8c0c1c..a5fb594f 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/group/FTPDirDownloadActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/group/FTPDirDownloadActivity.java
@@ -24,12 +24,14 @@ import com.arialyy.aria.core.common.FtpOption;
 import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.task.DownloadGroupTask;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.frame.util.show.L;
 import com.arialyy.frame.util.show.T;
 import com.arialyy.simple.R;
 import com.arialyy.simple.base.BaseActivity;
 import com.arialyy.simple.databinding.ActivityDownloadGroupBinding;
 import com.arialyy.simple.widget.SubStateLinearLayout;
+import java.security.AlgorithmConstraints;
 
 /**
  * Created by lyy on 2017/7/6.
@@ -128,6 +130,7 @@ public class FTPDirDownloadActivity extends BaseActivity<ActivityDownloadGroupBi
   }
 
   @DownloadGroup.onTaskResume() void taskResume(DownloadGroupTask task) {
+    ALog.d(TAG, "ftp dir resume");
   }
 
   @DownloadGroup.onTaskStop() void taskStop(DownloadGroupTask task) {
diff --git a/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8LiveDLoadActivity.java b/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8LiveDLoadActivity.java
index 44767194..0d0f603f 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8LiveDLoadActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8LiveDLoadActivity.java
@@ -213,17 +213,10 @@ public class M3U8LiveDLoadActivity extends BaseActivity<ActivityM3u8LiveBinding>
   public void onClick(View view) {
     switch (view.getId()) {
       case R.id.start:
-        startD();
-        if (!AppUtil.chekEntityValid(mEntity)) {
-          startD();
-          break;
-        }
         if (Aria.download(this).load(mEntity.getId()).isRunning()) {
           Aria.download(this).load(mEntity.getId()).stop();
         } else {
-          Aria.download(this).load(mEntity.getId())
-              .m3u8LiveOption(getLiveoption())
-              .resume();
+          startD();
         }
         break;
       case R.id.cancel:
@@ -245,6 +238,7 @@ public class M3U8LiveDLoadActivity extends BaseActivity<ActivityM3u8LiveBinding>
   private M3U8LiveOption getLiveoption() {
     M3U8LiveOption option = new M3U8LiveOption();
     option
+        //.generateIndexFile()
         .setLiveTsUrlConvert(new LiveTsUrlConverter());
     //.setBandWidthUrlConverter(new BandWidthUrlConverter(mUrl));
     return option;
diff --git a/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8VodDLoadActivity.java b/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8VodDLoadActivity.java
index f04b6041..3f27fcfd 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8VodDLoadActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8VodDLoadActivity.java
@@ -90,10 +90,10 @@ public class M3U8VodDLoadActivity extends BaseActivity<ActivityM3u8VodBinding> {
         getBinding().setFilePath(entity.getFilePath());
         mUrl = entity.getUrl();
         mFilePath = entity.getFilePath();
-        mVideoFragment = new VideoPlayerFragment(0, entity);
-        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
-        ft.add(R.id.video_content, mVideoFragment);
-        ft.commit();
+        //mVideoFragment = new VideoPlayerFragment(0, entity);
+        //FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
+        //ft.add(R.id.video_content, mVideoFragment);
+        //ft.commit();
       }
     });
     getBinding().setViewModel(this);
@@ -176,7 +176,7 @@ public class M3U8VodDLoadActivity extends BaseActivity<ActivityM3u8VodBinding> {
   @M3U8.onPeerComplete
   void onPeerComplete(String m3u8Url, String peerPath, int peerIndex) {
     //ALog.d(TAG, "peer complete, path: " + peerPath + ", index: " + peerIndex);
-    mVideoFragment.addPlayer(peerIndex, peerPath);
+    //mVideoFragment.addPlayer(peerIndex, peerPath);
   }
 
   @M3U8.onPeerFail
@@ -217,6 +217,7 @@ public class M3U8VodDLoadActivity extends BaseActivity<ActivityM3u8VodBinding> {
 
   @Download.onTaskResume
   void taskResume(DownloadTask task) {
+    ALog.d(TAG, "m3u8 vod resume");
     if (task.getKey().equals(mUrl)) {
       getBinding().setStateStr(getString(R.string.stop));
     }
@@ -303,9 +304,10 @@ public class M3U8VodDLoadActivity extends BaseActivity<ActivityM3u8VodBinding> {
   private M3U8VodOption getM3U8Option() {
     M3U8VodOption option = new M3U8VodOption();
     option
-        .generateIndexFile()
-        .setVodTsUrlConvert(new VodTsUrlConverter())
-        .setMergeHandler(new TsMergeHandler());
+        //.generateIndexFile()
+        //.merge(true)
+        .setVodTsUrlConvert(new VodTsUrlConverter());
+        //.setMergeHandler(new TsMergeHandler());
     //.setBandWidthUrlConverter(new BandWidthUrlConverter(mUrl));
     return option;
   }
diff --git a/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8VodModule.java b/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8VodModule.java
index d1fec3c2..0a9c37cf 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8VodModule.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/m3u8/M3U8VodModule.java
@@ -35,10 +35,12 @@ public class M3U8VodModule extends BaseViewModule {
   //private final String defUrl = "https://www.gaoya123.cn/2019/1557993797897.m3u8";
   // 多码率地址：
   //private final String defUrl = "http://devimages.apple.com/iphone/samples/bipbop/bipbopall.m3u8";
-  private final String defUrl = "http://cn1.fa1244.cn/hls/20190516/6d271eaa73b2e4cb51d13831b0c1ab4c/1557976262/index.m3u8";
+  //private final String defUrl = "http://cn1.fa1244.cn/hls/20190516/6d271eaa73b2e4cb51d13831b0c1ab4c/1557976262/index.m3u8";
+  private final String defUrl = "http://qn.shytong.cn/b83137769ff6b555/11b0c9970f9a3fa0.mp4.m3u8";
   private final String filePath =
       Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getPath()
-          + "/道士下山.ts";
+          //+ "/道士下山.ts";
+          + "/bb1.ts";
 
   private MutableLiveData<DownloadEntity> liveData = new MutableLiveData<>();
   private DownloadEntity singDownloadInfo;
diff --git a/app/src/main/java/com/arialyy/simple/core/download/mutil/DownloadAdapter.java b/app/src/main/java/com/arialyy/simple/core/download/mutil/DownloadAdapter.java
index ef05d29a..54b05d65 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/mutil/DownloadAdapter.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/mutil/DownloadAdapter.java
@@ -28,7 +28,7 @@ import com.arialyy.aria.core.common.AbsEntity;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.inf.IEntity;
-import com.arialyy.aria.core.wrapper.AbsTaskWrapper;
+import com.arialyy.aria.core.wrapper.ITaskWrapper;
 import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.simple.R;
 import com.arialyy.simple.base.adapter.AbsHolder;
@@ -152,12 +152,19 @@ public class DownloadAdapter extends AbsRVAdapter<AbsEntity, DownloadAdapter.Sim
    * 只更新速度
    */
   private void updateSpeed(SimpleHolder holder, final AbsEntity entity) {
-    long size = entity.getFileSize();
-    long progress = entity.getCurrentProgress();
-    int current = size == 0 ? 0 : (int) (progress * 100 / size);
+
     holder.speed.setText(entity.getConvertSpeed());
-    holder.fileSize.setText(covertCurrentSize(progress) + "/" + CommonUtil.formatFileSize(size));
-    holder.progress.setProgress(current);
+    if (entity.getTaskType() == ITaskWrapper.M3U8_VOD
+        || entity.getTaskType() == ITaskWrapper.M3U8_LIVE) {
+      holder.progress.setProgress(entity.getPercent());
+      holder.fileSize.setVisibility(View.GONE);
+    } else {
+      long size = entity.getFileSize();
+      long progress = entity.getCurrentProgress();
+      int current = size == 0 ? 0 : (int) (progress * 100 / size);
+      holder.fileSize.setText(covertCurrentSize(progress) + "/" + CommonUtil.formatFileSize(size));
+      holder.progress.setProgress(current);
+    }
     //if (holder instanceof GroupHolder){
     //  handleSubChild((GroupHolder) holder, entity);
     //}
@@ -257,9 +264,9 @@ public class DownloadAdapter extends AbsRVAdapter<AbsEntity, DownloadAdapter.Sim
         case IEntity.STATE_STOP:
         case IEntity.STATE_PRE:
         case IEntity.STATE_POST_PRE:
-          if (entity.getId() < 0){
+          if (entity.getId() < 0) {
             start(entity);
-          }else {
+          } else {
             resume(entity);
           }
           break;
@@ -278,36 +285,38 @@ public class DownloadAdapter extends AbsRVAdapter<AbsEntity, DownloadAdapter.Sim
       return;
     }
     switch (entity.getTaskType()) {
-      case AbsTaskWrapper.D_FTP:
+      case ITaskWrapper.D_FTP:
         Aria.download(getContext())
             .loadFtp(entity.getId())
             //.login("lao", "123456")
             .cancel(true);
         break;
-      case AbsTaskWrapper.D_FTP_DIR:
+      case ITaskWrapper.D_FTP_DIR:
         break;
-      case AbsTaskWrapper.D_HTTP:
+      case ITaskWrapper.D_HTTP:
+      case ITaskWrapper.M3U8_VOD:
         Aria.download(getContext()).load(entity.getId()).cancel(true);
         break;
-      case AbsTaskWrapper.DG_HTTP:
+      case ITaskWrapper.DG_HTTP:
         Aria.download(getContext()).load(entity.getId()).cancel(true);
         break;
     }
   }
 
-  private void resume(AbsEntity entity){
+  private void resume(AbsEntity entity) {
     switch (entity.getTaskType()) {
-      case AbsTaskWrapper.D_FTP:
+      case ITaskWrapper.D_FTP:
         //Aria.download(getContext()).loadFtp((DownloadEntity) entity).login("lao", "123456").create();
         Aria.download(getContext()).loadFtp(entity.getId()).resume();
         break;
-      case AbsTaskWrapper.D_FTP_DIR:
+      case ITaskWrapper.D_FTP_DIR:
         Aria.download(getContext()).loadFtpDir(entity.getId()).resume();
         break;
-      case AbsTaskWrapper.D_HTTP:
+      case ITaskWrapper.D_HTTP:
+      case ITaskWrapper.M3U8_VOD:
         Aria.download(getContext()).load(entity.getId()).resume();
         break;
-      case AbsTaskWrapper.DG_HTTP:
+      case ITaskWrapper.DG_HTTP:
         Aria.download(getContext()).loadGroup(entity.getId()).resume();
         break;
     }
@@ -315,16 +324,17 @@ public class DownloadAdapter extends AbsRVAdapter<AbsEntity, DownloadAdapter.Sim
 
   private void start(AbsEntity entity) {
     switch (entity.getTaskType()) {
-      case AbsTaskWrapper.D_FTP:
+      case ITaskWrapper.D_FTP:
         //Aria.download(getContext()).loadFtp((DownloadEntity) entity).login("lao", "123456").create();
         Aria.download(getContext()).loadFtp(entity.getKey()).create();
         break;
-      case AbsTaskWrapper.D_FTP_DIR:
+      case ITaskWrapper.D_FTP_DIR:
         break;
-      case AbsTaskWrapper.D_HTTP:
+      case ITaskWrapper.D_HTTP:
+      case ITaskWrapper.M3U8_VOD:
         Aria.download(getContext()).load(entity.getKey()).create();
         break;
-      case AbsTaskWrapper.DG_HTTP:
+      case ITaskWrapper.DG_HTTP:
         Aria.download(getContext()).loadGroup(((DownloadGroupEntity) entity).getUrls()).create();
         break;
     }
@@ -336,15 +346,16 @@ public class DownloadAdapter extends AbsRVAdapter<AbsEntity, DownloadAdapter.Sim
     }
 
     switch (entity.getTaskType()) {
-      case AbsTaskWrapper.D_FTP:
+      case ITaskWrapper.D_FTP:
         Aria.download(getContext()).loadFtp(entity.getId()).stop();
         break;
-      case AbsTaskWrapper.D_FTP_DIR:
+      case ITaskWrapper.D_FTP_DIR:
         break;
-      case AbsTaskWrapper.D_HTTP:
+      case ITaskWrapper.D_HTTP:
+      case ITaskWrapper.M3U8_VOD:
         Aria.download(getContext()).load(entity.getId()).stop();
         break;
-      case AbsTaskWrapper.DG_HTTP:
+      case ITaskWrapper.DG_HTTP:
         Aria.download(getContext()).loadGroup(entity.getId()).stop();
         break;
     }
diff --git a/app/src/main/java/com/arialyy/simple/core/download/mutil/FileListAdapter.java b/app/src/main/java/com/arialyy/simple/core/download/mutil/FileListAdapter.java
index 0d7e949f..594bf705 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/mutil/FileListAdapter.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/mutil/FileListAdapter.java
@@ -22,9 +22,13 @@ import android.widget.Button;
 import android.widget.TextView;
 import android.widget.Toast;
 import com.arialyy.aria.core.Aria;
+import com.arialyy.aria.core.download.m3u8.M3U8VodOption;
+import com.arialyy.aria.core.processor.IVodTsUrlConverter;
 import com.arialyy.simple.R;
 import com.arialyy.simple.base.adapter.AbsHolder;
 import com.arialyy.simple.base.adapter.AbsRVAdapter;
+import com.arialyy.simple.core.download.m3u8.M3U8VodDLoadActivity;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
@@ -60,27 +64,44 @@ final class FileListAdapter extends AbsRVAdapter<FileListEntity, FileListAdapter
   protected void bindData(FileListHolder holder, int position, final FileListEntity item) {
     holder.name.setText("文件名：" + item.name);
     holder.url.setText("下载地址：" + item.key);
-    holder.url.setVisibility(item.isGroup ? View.GONE : View.VISIBLE);
+    if (item.type == 1) {
+      holder.url.setVisibility(View.GONE);
+    }
     holder.path.setText("保存路径：" + item.downloadPath);
     if (mBtStates.get(item.key)) {
       holder.bt.setEnabled(true);
       holder.bt.setOnClickListener(new View.OnClickListener() {
         @Override public void onClick(View v) {
           Toast.makeText(getContext(), "开始下载：" + item.name, Toast.LENGTH_SHORT).show();
-          if (item.isGroup) {
-            Aria.download(getContext())
-                .loadGroup(Arrays.asList(item.urls))
-                .setSubFileName(Arrays.asList(item.names))
-                .setDirPath(item.downloadPath)
-                .setGroupAlias(item.name)
-                .unknownSize()
-                .create();
-          } else {
-            Aria.download(getContext())
-                .load(item.key)
-                .setFilePath(item.downloadPath)
-                .create();
+          switch (item.type) {
+            case 0:
+              Aria.download(getContext())
+                  .load(item.key)
+                  .setFilePath(item.downloadPath)
+                  .create();
+              break;
+            case 1:
+              Aria.download(getContext())
+                  .loadGroup(Arrays.asList(item.urls))
+                  .setSubFileName(Arrays.asList(item.names))
+                  .setDirPath(item.downloadPath)
+                  .setGroupAlias(item.name)
+                  .unknownSize()
+                  .create();
+              break;
+            case 2:
+              M3U8VodOption option = new M3U8VodOption();
+              option.setVodTsUrlConvert(new IVodTs());
+              option.generateIndexFile();
+
+              Aria.download(getContext())
+                  .load(item.key)
+                  .setFilePath(item.downloadPath, true)
+                  .m3u8VodOption(option)
+                  .create();
+              break;
           }
+
         }
       });
     } else {
@@ -125,4 +146,15 @@ final class FileListAdapter extends AbsRVAdapter<FileListEntity, FileListAdapter
       bt = findViewById(R.id.bt);
     }
   }
+  static class IVodTs implements IVodTsUrlConverter{
+
+    @Override public List<String> convert(String m3u8Url, List<String> tsUrls) {
+      List<String> temp = new ArrayList<>();
+      for (String tsUrl : tsUrls){
+        temp.add("http://qn.shytong.cn" + tsUrl);
+      }
+
+      return temp;
+    }
+  }
 }
diff --git a/app/src/main/java/com/arialyy/simple/core/download/mutil/FileListEntity.java b/app/src/main/java/com/arialyy/simple/core/download/mutil/FileListEntity.java
index b6d5ca52..b22febd8 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/mutil/FileListEntity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/mutil/FileListEntity.java
@@ -22,7 +22,13 @@ package com.arialyy.simple.core.download.mutil;
 
 public class FileListEntity {
   public String name, key, downloadPath;
-  public boolean isGroup = false;
+
+  /**
+   * 0：普通任务
+   * 1：组合任务
+   * 2：m3u8任务
+   */
+  public int type = 0;
 
   public String[] urls, names;
 }
diff --git a/app/src/main/java/com/arialyy/simple/core/download/mutil/MultiDownloadActivity.java b/app/src/main/java/com/arialyy/simple/core/download/mutil/MultiDownloadActivity.java
index b740822a..b54bce13 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/mutil/MultiDownloadActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/mutil/MultiDownloadActivity.java
@@ -113,7 +113,7 @@ public class MultiDownloadActivity extends BaseActivity<ActivityMultiDownloadBin
     mAdapter.updateState(task.getEntity());
   }
 
-  @Download.onTaskRunning() void taskRunning(DownloadTask task) {
+  @Download.onTaskRunning void taskRunning(DownloadTask task) {
     mAdapter.setProgress(task.getEntity());
   }
 
diff --git a/app/src/main/java/com/arialyy/simple/core/download/mutil/MultiTaskActivity.java b/app/src/main/java/com/arialyy/simple/core/download/mutil/MultiTaskActivity.java
index ce7768fa..0c349626 100644
--- a/app/src/main/java/com/arialyy/simple/core/download/mutil/MultiTaskActivity.java
+++ b/app/src/main/java/com/arialyy/simple/core/download/mutil/MultiTaskActivity.java
@@ -57,6 +57,7 @@ public class MultiTaskActivity extends BaseActivity<ActivityMultiBinding> {
     setTitle("多任务下载");
     mData.addAll(getModule(DownloadModule.class).createGroupTestList());
     mData.addAll(getModule(DownloadModule.class).createMultiTestList());
+    mData.addAll(getModule(DownloadModule.class).createM3u8TestList());
     mAdapter = new FileListAdapter(this, mData);
     mList = getBinding().list;
     mBar = findViewById(R.id.toolbar);
diff --git a/build.gradle b/build.gradle
index 5bd0ce9c..4ba0e57e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -44,8 +44,8 @@ task clean(type: Delete) {
 }
 
 ext {
-  versionCode = 374
-  versionName = '3.7.4'
+  versionCode = 375
+  versionName = '3.7.5'
   userOrg = 'arialyy'
   groupId = 'com.arialyy.aria'
   publishVersion = versionName