Fix bug

app/src/main/java/com/fongmi/android/tv/player/Players.java

@@ -401,9 +401,9 @@ public class Players implements Player.Listener, ParseCallback {
         stopParse();
         releasePlayer();
         session.release();
-        Source.get().stop();
         removeTimeoutCheck();
         Server.get().setPlayer(null);
+        App.execute(() -> Source.get().stop());
     }
 
     private void releasePlayer() {

app/src/main/java/com/fongmi/android/tv/player/Source.java

@@ -93,7 +93,7 @@ public class Source {
 
     public void stop() {
         if (extractors == null) return;
-        App.execute(() -> extractors.forEach(Extractor::stop));
+        extractors.forEach(Extractor::stop);
     }
 
     public void exit() {

app/src/main/java/com/fongmi/android/tv/player/extractor/TVBus.java

@@ -23,8 +23,8 @@ import java.util.concurrent.CountDownLatch;
 public class TVBus implements Source.Extractor, Listener {
 
     private CountDownLatch latch;
-    private volatile String hls;
     private TVCore tvcore;
+    private String hls;
     private Core core;
 
     @Override