diff --git a/app/src/main/java/com/github/tvbox/osc/bean/VodInfo.java b/app/src/main/java/com/github/tvbox/osc/bean/VodInfo.java
index 8332474e..2d15e38c 100644
--- a/app/src/main/java/com/github/tvbox/osc/bean/VodInfo.java
+++ b/app/src/main/java/com/github/tvbox/osc/bean/VodInfo.java
@@ -100,12 +100,19 @@ public class VodInfo implements Serializable {
         return 0;
     }
     private boolean isReverse(List<VodInfo.VodSeries> list) {
-        // 循环比较相邻元素
-        for (int i = 0; i < Math.min(list.size()-1,4); i++) {
+        int ascCount = 0, descCount = 0;
+        // 比较最多前 6 个相邻元素对
+        int limit = Math.min(list.size() - 1, 6);
+        for (int i = 0; i < limit; i++) {
             int current = extractNumber(list.get(i).name);
             int next = extractNumber(list.get(i + 1).name);
-            if (current < next) return false;
-            if (current > next) return true;
+            if (current < next) {
+                ascCount++;
+                if (ascCount == 2) return false;
+            } else if (current > next) {
+                descCount++;
+                if (descCount == 2) return true;
+            }
         }
         return false;
     }
diff --git a/app/src/main/java/com/github/tvbox/osc/ui/activity/DetailActivity.java b/app/src/main/java/com/github/tvbox/osc/ui/activity/DetailActivity.java
index 1dcdcaad..39998225 100644
--- a/app/src/main/java/com/github/tvbox/osc/ui/activity/DetailActivity.java
+++ b/app/src/main/java/com/github/tvbox/osc/ui/activity/DetailActivity.java
@@ -354,16 +354,16 @@ public class DetailActivity extends BaseActivity {
             public void onItemClick(TvRecyclerView parent, View itemView, int position) {
             }
         });
-        mGridView.setOnFocusChangeListener(new View.OnFocusChangeListener() {
-            @Override
-            public void onFocusChange(View v, boolean hasFocus) {
-                if (hasFocus && vodInfo.playIndex != -1) {
-                    // 当获得焦点且有目标位置时，执行滚动和聚焦
-                    LOG.i("echo-onFocusChange");
-                    mGridView.setSelection(vodInfo.playIndex);
-                }
-            }
-        });
+//        mGridView.setOnFocusChangeListener(new View.OnFocusChangeListener() {
+//            @Override
+//            public void onFocusChange(View v, boolean hasFocus) {
+//                if (hasFocus && vodInfo.playIndex != -1) {
+//                    // 当获得焦点且有目标位置时，执行滚动和聚焦
+//                    LOG.i("echo-onFocusChange");
+//                    mGridView.setSelection(vodInfo.playIndex);
+//                }
+//            }
+//        });
         mGridViewFlag.setOnItemListener(new TvRecyclerView.OnItemListener() {
             private void refresh(View itemView, int position) {
                 String newFlag = seriesFlagAdapter.getData().get(position).name;
@@ -457,7 +457,7 @@ public class DetailActivity extends BaseActivity {
                 TextView txtView = itemView.findViewById(R.id.tvSeriesGroup);
                 txtView.setTextColor(mContext.getResources().getColor(R.color.color_02F8E1));
                 if (vodInfo != null && vodInfo.seriesMap.get(vodInfo.playFlag).size() > 0) {
-                    int targetPos = position * GroupCount+1;
+                    int targetPos = position * GroupCount;
                     mGridView.smoothScrollToPosition(targetPos);
                 }
                 currentSeriesGroupView = itemView;
diff --git a/app/src/main/java/com/github/tvbox/osc/ui/adapter/SeriesFlagAdapter.java b/app/src/main/java/com/github/tvbox/osc/ui/adapter/SeriesFlagAdapter.java
index d0854008..2e4a9e13 100644
--- a/app/src/main/java/com/github/tvbox/osc/ui/adapter/SeriesFlagAdapter.java
+++ b/app/src/main/java/com/github/tvbox/osc/ui/adapter/SeriesFlagAdapter.java
@@ -1,5 +1,6 @@
 package com.github.tvbox.osc.ui.adapter;
 
+import android.app.Activity;
 import android.view.View;
 import android.widget.TextView;
 
@@ -30,5 +31,11 @@ public class SeriesFlagAdapter extends BaseQuickAdapter<VodInfo.VodSeriesFlag, B
             select.setVisibility(View.GONE);
         }
         helper.setText(R.id.tvSeriesFlag, item.name);
+        View mSeriesGroupTv = ((Activity) helper.itemView.getContext()).findViewById(R.id.mSeriesGroupTv);
+        if (mSeriesGroupTv != null && mSeriesGroupTv.getVisibility() == View.VISIBLE) {
+            helper.itemView.setNextFocusDownId(R.id.mSeriesSortTv);
+        }else {
+            helper.itemView.setNextFocusDownId(R.id.mGridView);
+        }
     }
 }
\ No newline at end of file