Merge branch 'tzy' into NewFilePath

wxr

2020-12-17 6ec12a036c96a200fc0a941967d6b4d07592f863

 HDL_ON/UI/UI2/2-Classification/RoomPageBLL.cs

@@ -35,6 +35,7 @@
                ReloadRoomName();
            };

            
            Action delAction = () => {
                this.RemoveFromParent();
                deleteAction?.Invoke();