diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/activity/LiveActivity.java b/app/src/mobile/java/com/fongmi/android/tv/ui/activity/LiveActivity.java
index 88ad96e7a..922c52b17 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/ui/activity/LiveActivity.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/activity/LiveActivity.java
@@ -341,6 +341,7 @@ public class LiveActivity extends BaseActivity implements CustomKeyDown.Listener
 
     private void onLock() {
         setLock(!isLock());
+        setRequestedOrientation(getLockOrient());
         mKeyDown.setLock(isLock());
         checkLockImg();
         showControl();
@@ -436,6 +437,16 @@ public class LiveActivity extends BaseActivity implements CustomKeyDown.Listener
         return false;
     }
 
+    private int getLockOrient() {
+        if (isLock()) {
+            return ResUtil.isLand(this) ? ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE : ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
+        } else if (isRotate()) {
+            return ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT;
+        } else {
+            return ResUtil.isLand(this) ? ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE : ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT;
+        }
+    }
+
     private void hideUI() {
         if (isGone(mBinding.recycler)) return;
         mBinding.recycler.setVisibility(View.GONE);