     @objc func cancelOrderForm() {
         delegate?.OrderFormCancel()
     }
-    
-    
-    deinit {
-        MalaCourseChoosingObject.removeObserver(self, forKeyPath: "originalPrice", context: &myContext)
-    }
 }
        }
    }
    
    private func configure() {
        MalaCourseChoosingObject.addObserver(self, forKeyPath: "originalPrice", options: .New, context: &myContext)
    }
    
    /// 根据当前订单状态，渲染对应UI样式
    private func changeDisplayMode() {
        

            })
        }
    }
    weak var delegate: OrderFormOperatingViewDelegate?
    
    
