banner bug；maxranking修改

Assets/Scripts/Scenes/MainController.cs

@@ -185,6 +185,8 @@ public class MainController : BaseScene
 #endif
     private void DoMessage6(LinkedMessageEvent e)
     {
+        //Resources.UnloadUnusedAssets();
+        //GC.Collect();
         var selectIndex = msgIndex % 5;
         var m = msgs[selectIndex];
         if (msgIndex >= 5) //