diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/LiveActivity.java b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/LiveActivity.java
index 9ebde881b..8f76fb758 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/LiveActivity.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/LiveActivity.java
@@ -558,6 +558,7 @@ public class LiveActivity extends BaseActivity implements GroupPresenter.OnClick
 
     @Override
     public void onKeyUp() {
+        if (mGroup == null || mChannel == null) return;
         int position = mGroup.getPosition() - 1;
         boolean limit = position < 0;
         if (Prefers.isAcross() & limit) prevGroup(true);
@@ -567,6 +568,7 @@ public class LiveActivity extends BaseActivity implements GroupPresenter.OnClick
 
     @Override
     public void onKeyDown() {
+        if (mGroup == null || mChannel == null) return;
         int position = mGroup.getPosition() + 1;
         boolean limit = position > mChannelAdapter.size() - 1;
         if (Prefers.isAcross() && limit) nextGroup(true);
@@ -576,6 +578,7 @@ public class LiveActivity extends BaseActivity implements GroupPresenter.OnClick
 
     @Override
     public void onKeyLeft(int time) {
+        if (mGroup == null || mChannel == null) return;
         if (isVisible(mBinding.widget.center)) App.post(mR2, 500);
         if (mChannel.isOnly() && mPlayers.isVod()) mPlayers.seekTo(time);
         else if (!mChannel.isOnly()) prevLine();
@@ -584,6 +587,7 @@ public class LiveActivity extends BaseActivity implements GroupPresenter.OnClick
 
     @Override
     public void onKeyRight(int time) {
+        if (mGroup == null || mChannel == null) return;
         if (isVisible(mBinding.widget.center)) App.post(mR2, 500);
         if (mChannel.isOnly() && mPlayers.isVod()) mPlayers.seekTo(time);
         else if (!mChannel.isOnly()) nextLine(true);
diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/custom/CustomKeyDownLive.java b/app/src/leanback/java/com/fongmi/android/tv/ui/custom/CustomKeyDownLive.java
index bc465972d..07ebcb952 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/custom/CustomKeyDownLive.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/custom/CustomKeyDownLive.java
@@ -56,11 +56,9 @@ public class CustomKeyDownLive extends GestureDetector.SimpleOnGestureListener {
         } else if (event.getAction() == KeyEvent.ACTION_DOWN && Utils.isRightKey(event)) {
             listener.onSeeking(addTime());
         } else if (event.getAction() == KeyEvent.ACTION_DOWN && Utils.isUpKey(event)) {
-            if (Prefers.isInvert()) listener.onKeyDown();
-            else listener.onKeyUp();
+            if (Prefers.isInvert()) listener.onKeyDown(); else listener.onKeyUp();
         } else if (event.getAction() == KeyEvent.ACTION_DOWN && Utils.isDownKey(event)) {
-            if (Prefers.isInvert()) listener.onKeyUp();
-            else listener.onKeyDown();
+            if (Prefers.isInvert()) listener.onKeyUp(); else listener.onKeyDown();
         } else if (event.getAction() == KeyEvent.ACTION_UP && Utils.isLeftKey(event)) {
             listener.onKeyLeft(holdTime);
         } else if (event.getAction() == KeyEvent.ACTION_UP && Utils.isRightKey(event)) {
diff --git a/catvod/src/main/java/com/github/catvod/crawler/Spider.java b/catvod/src/main/java/com/github/catvod/crawler/Spider.java
index 9f6b1024d..6b8719a91 100644
--- a/catvod/src/main/java/com/github/catvod/crawler/Spider.java
+++ b/catvod/src/main/java/com/github/catvod/crawler/Spider.java
@@ -38,11 +38,11 @@ public abstract class Spider {
         return "";
     }
 
-    public boolean isVideoFormat(String url) {
+    public boolean manualVideoCheck() {
         return false;
     }
 
-    public boolean manualVideoCheck() {
+    public boolean isVideoFormat(String url) {
         return false;
     }
 }