tcp逻辑调整，历史逻辑增加赛事相关派生类

Assets/Scripts/Utils/Utils.cs

@@ -169,7 +169,7 @@ namespace Assets.Scripts
                 var newLoading = MonoBehaviour.Instantiate(Resources.Load<GameObject>("UI/Prefab/Common/Loading"));
                 newLoading.name = "Loading";
                 newLoading.GetComponent<RectTransform>().position = new Vector3(Screen.width / 2, Screen.height / 2, 0);
-                newLoading.transform.parent = game.transform;
+                newLoading.transform.SetParent(game.transform);
                 loading = newLoading.transform;
             }
             loading.GetComponent<LoadingPf>().Show();