-@property (strong) IBOutlet JoystickController *jsController;
-@property (strong) IBOutlet TargetController *targetController;
-@property (strong) IBOutlet ConfigsController *configsController;
+@property (nonatomic, strong) IBOutlet JoystickController *jsController;
+@property (nonatomic, strong) IBOutlet TargetController *targetController;
+@property (nonatomic, strong) IBOutlet ConfigsController *configsController;