我正在尝试使用一种模式初始化MBProgressHUD，但弹出的进度仅带有标签而不是环形模式。//AdditionofnewHUDprogresswhilstrunningtheprocessfieldentriesmethodHUD=[[MBProgressHUDalloc]initWithView:self.view];[self.viewaddSubview:HUD];//SetdeterminatemodeHUD.mode=MBProgressHUDModeAnnularDeterminate;HUD.delegate=self;HUD.labelText=@"Signingy