update

app/Models/Tracks.php

@@ -300,6 +300,7 @@ class Tracks extends Model
             $_query = DB::select($_query, [$_list->vid]);
             $_list->lst_heartbeat = count($_query) == 0 ? "" : $_query[0]->lst_heartbeat;
         }
+        // em
         return $list;
     }
 
@@ -552,4 +553,4 @@ class Tracks extends Model
             $params
         );
     }
-}
+}