diff --git a/app/src/main/java/com/github/tvbox/osc/ui/activity/PlayActivity.java b/app/src/main/java/com/github/tvbox/osc/ui/activity/PlayActivity.java
index 705a1b44..d7c3f0a9 100644
--- a/app/src/main/java/com/github/tvbox/osc/ui/activity/PlayActivity.java
+++ b/app/src/main/java/com/github/tvbox/osc/ui/activity/PlayActivity.java
@@ -416,13 +416,25 @@ public class PlayActivity extends BaseActivity {
         if (mVodInfo == null || mVodInfo.seriesMap.get(mVodInfo.playFlag) == null) {
             hasNext = false;
         } else {
-            hasNext = mVodInfo.playIndex + 1 < mVodInfo.seriesMap.get(mVodInfo.playFlag).size();
+//修正倒序排序时上一集与下一集播放顺序相反的问题
+//            hasNext = mVodInfo.playIndex + 1 < mVodInfo.seriesMap.get(mVodInfo.playFlag).size();
+            if (mVodInfo.reverseSort){
+                hasNext = mVodInfo.playIndex - 1 >= 0;
+            } else {
+                hasNext = mVodInfo.playIndex + 1 < mVodInfo.seriesMap.get(mVodInfo.playFlag).size();
+            }
         }
         if (!hasNext) {
             Toast.makeText(this, "已经是最后一集了!", Toast.LENGTH_SHORT).show();
             return;
         }
-        mVodInfo.playIndex++;
+//修正倒序排序时上一集与下一集播放顺序相反的问题
+//        mVodInfo.playIndex++;
+        if (mVodInfo.reverseSort){
+            mVodInfo.playIndex--;
+        } else {
+            mVodInfo.playIndex++;
+        }
         play();
     }
 
@@ -431,13 +443,25 @@ public class PlayActivity extends BaseActivity {
         if (mVodInfo == null || mVodInfo.seriesMap.get(mVodInfo.playFlag) == null) {
             hasPre = false;
         } else {
-            hasPre = mVodInfo.playIndex - 1 >= 0;
+//修正倒序排序时上一集与下一集播放顺序相反的问题
+//            hasPre = mVodInfo.playIndex - 1 >= 0;
+            if (mVodInfo.reverseSort){
+                hasPre = mVodInfo.playIndex + 1 < mVodInfo.seriesMap.get(mVodInfo.playFlag).size();
+            } else {
+                hasPre = mVodInfo.playIndex - 1 >= 0;
+            }
         }
         if (!hasPre) {
             Toast.makeText(this, "已经是第一集了!", Toast.LENGTH_SHORT).show();
             return;
         }
-        mVodInfo.playIndex--;
+//修正倒序排序时上一集与下一集播放顺序相反的问题
+//        mVodInfo.playIndex--;
+        if (mVodInfo.reverseSort){
+            mVodInfo.playIndex++;
+        } else {
+            mVodInfo.playIndex--;
+        }
         play();
     }
 
diff --git a/app/src/main/java/com/github/tvbox/osc/ui/fragment/ModelSettingFragment.java b/app/src/main/java/com/github/tvbox/osc/ui/fragment/ModelSettingFragment.java
index 25033c07..122801dc 100644
--- a/app/src/main/java/com/github/tvbox/osc/ui/fragment/ModelSettingFragment.java
+++ b/app/src/main/java/com/github/tvbox/osc/ui/fragment/ModelSettingFragment.java
@@ -44,7 +44,7 @@ import tv.danmaku.ijk.media.player.IjkMediaPlayer;
 /**
  * @author pj567
  * @date :2020/12/23
- * @description:
+ * @description: 设置页面
  */
 public class ModelSettingFragment extends BaseLazyFragment {
     private TextView tvDebugOpen;
diff --git a/app/src/main/java/com/github/tvbox/osc/util/DefaultConfig.java b/app/src/main/java/com/github/tvbox/osc/util/DefaultConfig.java
index 49dc6914..59e8778f 100644
--- a/app/src/main/java/com/github/tvbox/osc/util/DefaultConfig.java
+++ b/app/src/main/java/com/github/tvbox/osc/util/DefaultConfig.java
@@ -105,9 +105,9 @@ public class DefaultConfig {
         return start > -1 ? fileName.substring(0, start) : fileName;
     }
 
-
-    private static final Pattern snifferMatch = Pattern.compile("http((?!http).){26,}?\\.(m3u8|mp4)\\?.*|http((?!http).){26,}\\.(m3u8|mp4)|http((?!http).){26,}?/m3u8\\?pt=m3u8.*|http((?!http).)*?default\\.ixigua\\.com/.*|http((?!http).)*?cdn-tos[^\\?]*|http((?!http).)*?/obj/tos[^\\?]*|http.*?/player/m3u8play\\.php\\?url=.*|http.*?/player/.*?[pP]lay\\.php\\?url=.*|http.*?/playlist/m3u8/\\?vid=.*|http.*?\\.php\\?type=m3u8&.*|http.*?/download.aspx\\?.*|http.*?/api/up_api.php\\?.*|https.*?\\.66yk\\.cn.*|http((?!http).)*?netease\\.com/file/.*");
-
+    //增加对flv|avi|mkv|rm|wmv|mpg等几种视频格式的支持
+    //private static final Pattern snifferMatch = Pattern.compile("http((?!http).){26,}?\\.(m3u8|mp4)\\?.*|http((?!http).){26,}\\.(m3u8|mp4)|http((?!http).){26,}?/m3u8\\?pt=m3u8.*|http((?!http).)*?default\\.ixigua\\.com/.*|http((?!http).)*?cdn-tos[^\\?]*|http((?!http).)*?/obj/tos[^\\?]*|http.*?/player/m3u8play\\.php\\?url=.*|http.*?/player/.*?[pP]lay\\.php\\?url=.*|http.*?/playlist/m3u8/\\?vid=.*|http.*?\\.php\\?type=m3u8&.*|http.*?/download.aspx\\?.*|http.*?/api/up_api.php\\?.*|https.*?\\.66yk\\.cn.*|http((?!http).)*?netease\\.com/file/.*");
+    private static final Pattern snifferMatch = Pattern.compile("http((?!http).){26,}?\\.(m3u8|mp4|flv|avi|mkv|rm|wmv|mpg)\\?.*|http((?!http).){26,}\\.(m3u8|mp4|flv|avi|mkv|rm|wmv|mpg)|http((?!http).){26,}?/m3u8\\?pt=m3u8.*|http((?!http).)*?default\\.ixigua\\.com/.*|http((?!http).)*?cdn-tos[^\\?]*|http((?!http).)*?/obj/tos[^\\?]*|http.*?/player/m3u8play\\.php\\?url=.*|http.*?/player/.*?[pP]lay\\.php\\?url=.*|http.*?/playlist/m3u8/\\?vid=.*|http.*?\\.php\\?type=m3u8&.*|http.*?/download.aspx\\?.*|http.*?/api/up_api.php\\?.*|https.*?\\.66yk\\.cn.*|http((?!http).)*?netease\\.com/file/.*");
     public static boolean isVideoFormat(String url) {
         if (url.contains("=http") || url.contains("=https") || url.contains("=https%3a%2f") || url.contains("=http%3a%2f")) {
             return false;