Fix bug

app/src/main/java/com/fongmi/android/tv/model/LiveViewModel.java

@@ -71,6 +71,7 @@ public class LiveViewModel extends ViewModel {
 
     public void getUrl(Channel item) {
         execute(URL, () -> {
+            item.setMsg(null);
             Source.get().stop();
             item.setUrl(Source.get().fetch(item));
             //checkPLTV(item);

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

@@ -86,7 +86,7 @@ public class TVBus implements Source.Extractor, Listener {
     public void onStop(String result) {
         JsonObject json = App.gson().fromJson(result, JsonObject.class);
         hls = json.get("errno").getAsString();
-        onNotify();
+        if (hls.startsWith("-")) onNotify();
     }
 
     @Override