diff --git a/Example/Example/ViewController.swift b/Example/Example/ViewController.swift
index ea9a03b..e81bcd5 100644
--- a/Example/Example/ViewController.swift
+++ b/Example/Example/ViewController.swift
@@ -27,6 +27,28 @@ class ViewController: UIViewController {
         }
         
     }
+    
+    
+    @IBAction func test(_ sender: UIButton) {
+        
+        
+//        testUpdateAction()
+        testGuard()
+        
+    }
+    
+    func testDelete() {
+        let a = ProHUD.push(alert: .delete, title: "确认删除", message: "此操作不可撤销")
+        a.add(action: .destructive, title: "确认", action: { [weak a] in
+            a?.remove(action: 0, 1)
+            a?.update(scene: .loading, title: "正在删除", message: "请稍后片刻")
+            DispatchQueue.main.asyncAfter(deadline: .now()+1) {
+                a?.update(scene: .success, title: "删除成功", message: "啊哈哈哈哈").duration(2)
+                ProHUD.push(toast: .success, title: "删除成功", message: "aaa")
+            }
+        }).add(action: .cancel, title: "取消", action: nil)
+        
+    }
     func testToast() {
         let t = ProHUD.Toast(scene: .loading, title: "正在加载", message: "请稍候片刻")
         
@@ -39,60 +61,42 @@ class ViewController: UIViewController {
             let a2 = ProHUD.push(alert: .loading, title: "正在加载", message: "马上就要成功了")
             DispatchQueue.main.asyncAfter(deadline: .now()+1) {
                 let a3 = ProHUD.push(alert: .error, title: "加载失败", message: "点击充实")
-                a3.addAction(style: .default, title: "重新加载") { [weak a3] in
-                    a3?.updateContent(scene: .success, title: "加载成功", message: "马上就要成功了")
-                    a3?.updateAction(index: 0, style: .default, title: "OK", action: { [weak a2, a3] in
-                        a2?.pop()
+                a3.add(action: .default, title: "重新加载") { [weak a3] in
+                    a3?.update(scene: .success, title: "加载成功", message: "马上就要成功了")
+                    a3?.update(action: 0, style: .default, title: "OK", action: { [weak a3] in
                         a3?.pop()
-                    }).removeAction(index: 1).removeAction(index: 1)
-                }.addAction(style: .destructive, title: "终止", action: nil).addAction(style: .cancel, title: "取消", action: nil)
+                    }).remove(action: 1, 2)
+                }.add(action: .destructive, title: "终止", action: nil).add(action: .cancel, title: "取消", action: nil)
                 
             }
             
         }
-    }
-    
-    func testDelete() {
-        let a = ProHUD.push(alert: .delete, title: "确认删除", message: "此操作不可撤销")
-        a.addAction(style: .destructive, title: "确认", action: { [weak a] in
-            a?.removeAction(index: 0).removeAction(index: 0)
-            a?.updateContent(scene: .loading, title: "正在删除", message: "请稍后片刻")
-            DispatchQueue.main.asyncAfter(deadline: .now()+1) {
-                a?.updateContent(scene: .success, title: "删除成功", message: "啊哈哈哈哈").duration(2)
-                ProHUD.push(toast: .success, title: "删除成功", message: "aaa")
-            }
-        }).addAction(style: .cancel, title: "取消", action: nil)
+        
+        
         
     }
-    
-    @IBAction func test(_ sender: UIButton) {
-        
-        
-        textUpdateAction()
-        
-    }
-    
     func testGuard() {
         let g = ProHUD.Guard(title: "请求权限", message: "请打开相机权限开关，否则无法进行测量。")
         
-        g.loadTitle("呵呵")
-        g.loadBody("请打开相机权限开关，否则无法进行测量。请打开相机权限开关，否则无法进行测量。")
-        g.loadButton(style: .default, title: "测试弹窗", action: { [weak self] in
+        g.add(title: "呵呵")
+        g.add(message: "请打开相机权限开关，否则无法进行测量。请打开相机权限开关，否则无法进行测量。")
+        g.add(action: .default, title: "测试弹窗", action: { [weak self] in
             self?.testToast()
         })
-        g.loadButton(style: .destructive, title: "测试删除弹窗", action: { [weak self] in
+        g.add(action: .destructive, title: "测试删除弹窗", action: { [weak self] in
             self?.testDelete()
         })
-        g.loadButton(style: .cancel, title: "我知道了")
+        g.add(action: .cancel, title: "我知道了")
+        
         g.push(to: self)
         debugPrint("test: ", g)
     }
     
-    func textUpdateAction() {
+    func testUpdateAction() {
         let a = ProHUD.push(alert: .confirm, title: "确认删除", message: "此操作无法撤销")
-        a.addAction(style: .destructive, title: "删除") {
-            a.removeAction(index: 0, 1).updateContent(scene: .loading, title: "正在删除", message: "请稍后片刻")
-        }.addAction(style: .cancel, title: "取消", action: nil)
+        a.add(action: .destructive, title: "删除") {
+            a.remove(action: 0, 1).update(scene: .loading, title: "正在删除", message: "请稍后片刻")
+        }.add(action: .cancel, title: "取消", action: nil)
         
         
         
diff --git a/ProHUD/Alert/AlertController.swift b/ProHUD/Alert/AlertController.swift
index 7993b96..13aa7c6 100644
--- a/ProHUD/Alert/AlertController.swift
+++ b/ProHUD/Alert/AlertController.swift
@@ -75,11 +75,6 @@ public extension ProHUD {
             
         }
         
-        public override func viewDidDisappear(_ animated: Bool) {
-            super.viewDidDisappear(animated)
-            disappearCallback?()
-        }
-        
         
     }
     
@@ -121,19 +116,11 @@ public extension ProHUD.Alert {
     
     // MARK: 设置函数
     
-    /// 设置超时时间
-    /// - Parameter duration: 超时时间
-    @discardableResult func duration(_ duration: TimeInterval?) -> ProHUD.Alert {
-        model.duration = duration
-        willLayoutSubviews()
-        return self
-    }
-    
     /// 添加按钮
     /// - Parameter style: 样式
     /// - Parameter text: 标题
     /// - Parameter action: 事件
-    @discardableResult func addAction(style: UIAlertAction.Style, title: String?, action: (() -> Void)?) -> ProHUD.Alert {
+    @discardableResult func add(action style: UIAlertAction.Style, title: String?, action: (() -> Void)?) -> ProHUD.Alert {
         if let btn = privAddButton(custom: Button.actionButton(title: title), action: action) as? Button {
             btn.update(style: style)
         }
@@ -143,7 +130,7 @@ public extension ProHUD.Alert {
     /// 添加按钮
     /// - Parameter button: 按钮
     /// - Parameter action: 事件
-    @discardableResult func addAction(custom button: UIButton, action: (() -> Void)?) -> ProHUD.Alert {
+    @discardableResult func add(button: UIButton, action: (() -> Void)?) -> ProHUD.Alert {
         privAddButton(custom: button, action: action)
         return self
     }
@@ -162,12 +149,29 @@ public extension ProHUD.Alert {
         return self
     }
     
-    /// 更新标题
+    /// 设置持续时间
+    /// - Parameter duration: 持续时间
+    @discardableResult func duration(_ duration: TimeInterval?) -> ProHUD.Alert {
+        model.duration = duration
+        willLayoutSubviews()
+        return self
+    }
+    
+    /// 更新
+    /// - Parameter scene: 场景
     /// - Parameter title: 标题
-    @discardableResult func updateContent(scene: Scene, title: String? = nil, message: String? = nil, icon: UIImage? = nil) -> ProHUD.Alert {
+    /// - Parameter message: 正文
+    @discardableResult func update(scene: Scene, title: String?, message: String?) -> ProHUD.Alert {
+        model.scene = scene
         model.title = title
         model.message = message
-        model.scene = scene
+        cfg.alert.reloadData(self)
+        return self
+    }
+    
+    /// 更新图标
+    /// - Parameter icon: 图标
+    @discardableResult func update(icon: UIImage?) -> ProHUD.Alert {
         model.icon = icon
         cfg.alert.reloadData(self)
         return self
@@ -178,8 +182,8 @@ public extension ProHUD.Alert {
     /// - Parameter style: 样式
     /// - Parameter title: 标题
     /// - Parameter action: 事件
-    @discardableResult func updateAction(index: Int, style: UIAlertAction.Style, title: String?, action: (() -> Void)?) -> ProHUD.Alert {
-        return updateAction(index: index, button: { (btn) in
+    @discardableResult func update(action index: Int, style: UIAlertAction.Style, title: String?, action: (() -> Void)?) -> ProHUD.Alert {
+        return update(action: index, button: { (btn) in
             btn.setTitle(title, for: .normal)
             if let b = btn as? Button {
                 b.update(style: style)
@@ -192,7 +196,7 @@ public extension ProHUD.Alert {
     /// - Parameter index: 索引
     /// - Parameter button: 按钮
     /// - Parameter action: 事件
-    @discardableResult func updateAction(index: Int, button: (UIButton) -> Void, action: (() -> Void)? = nil) -> ProHUD.Alert {
+    @discardableResult func update(action index: Int, button: (UIButton) -> Void, action: (() -> Void)? = nil) -> ProHUD.Alert {
         if index < self.actionStack.arrangedSubviews.count, let btn = self.actionStack.arrangedSubviews[index] as? UIButton {
             button(btn)
             if let ac = action {
@@ -207,7 +211,7 @@ public extension ProHUD.Alert {
     
     /// 移除按钮
     /// - Parameter index: 索引
-    @discardableResult func removeAction(index: Int...) -> ProHUD.Alert {
+    @discardableResult func remove(action index: Int...) -> ProHUD.Alert {
         for (i, idx) in index.enumerated() {
             privRemoveAction(index: idx-i)
         }
@@ -250,8 +254,8 @@ public extension ProHUD {
     /// - Parameter title: 标题
     /// - Parameter message: 正文
     /// - Parameter icon: 图标
-    @discardableResult func push(alert scene: Alert.Scene, title: String? = nil, message: String? = nil, icon: UIImage? = nil) -> Alert {
-        return push(Alert(scene: scene, title: title, message: message, icon: icon))
+    @discardableResult func push(alert scene: Alert.Scene, title: String? = nil, message: String? = nil) -> Alert {
+        return push(Alert(scene: scene, title: title, message: message))
     }
     
     /// 获取指定的实例
@@ -285,6 +289,7 @@ public extension ProHUD {
             }
         }
     }
+    
 }
 
 
@@ -303,8 +308,8 @@ public extension ProHUD {
     /// - Parameter title: 标题
     /// - Parameter message: 正文
     /// - Parameter icon: 图标
-    @discardableResult class func push(alert: Alert.Scene, title: String? = nil, message: String? = nil, icon: UIImage? = nil) -> Alert {
-        return shared.push(alert: alert, title: title, message: message, icon: icon)
+    @discardableResult class func push(alert: Alert.Scene, title: String? = nil, message: String? = nil) -> Alert {
+        return shared.push(alert: alert, title: title, message: message)
     }
     
     /// 获取指定的实例
@@ -354,35 +359,23 @@ fileprivate extension ProHUD.Alert {
     }
     
     func willLayoutSubviews() {
-        willLayout?.cancel()
-        model.durationBlock?.cancel()
-        model.forceQuitTimerBlock?.cancel()
-        willLayout = DispatchWorkItem(block: { [weak self] in
+        model.setupWillLayout(duration: 0.001) { [weak self] in
             if let a = self {
                 // 布局
                 cfg.alert.loadSubviews(a)
                 cfg.alert.reloadData(a)
-                // 超时
-                if let t = a.model.duration, t > 0 {
-                    a.model.durationBlock = DispatchWorkItem(block: { [weak self] in
-                        self?.pop()
-                    })
-                    DispatchQueue.main.asyncAfter(deadline: .now()+t, execute: a.model.durationBlock!)
-                } else {
-                    a.model.durationBlock = nil
+                // 持续时间
+                a.model.setupDuration(duration: a.model.duration) { [weak self] in
+                    self?.pop()
                 }
                 // 强制退出按钮
-                if cfg.alert.forceQuitTimer > 0 && self?.actionStack.superview == nil {
-                    a.model.forceQuitTimerBlock = DispatchWorkItem(block: { [weak self] in
-                        if let s = self {
-                            cfg.alert.loadForceQuitButton(s)
-                        }
-                    })
-                    DispatchQueue.main.asyncAfter(deadline: .now()+cfg.alert.forceQuitTimer, execute: a.model.forceQuitTimerBlock!)
+                a.model.setupForceQuit(duration: cfg.alert.forceQuitTimer) { [weak self] in
+                    if let aa = self, aa.actionStack.superview == nil {
+                        cfg.alert.loadForceQuitButton(aa)
+                    }
                 }
             }
-        })
-        DispatchQueue.main.asyncAfter(deadline: .now()+0.001, execute: willLayout!)
+        }
     }
     
     @discardableResult func privAddButton(custom button: UIButton, action: (() -> Void)?) -> UIButton {
diff --git a/ProHUD/Alert/AlertModel.swift b/ProHUD/Alert/AlertModel.swift
index dc321f2..f1dfc79 100644
--- a/ProHUD/Alert/AlertModel.swift
+++ b/ProHUD/Alert/AlertModel.swift
@@ -78,12 +78,38 @@ public extension ProHUD.Alert {
         /// 强制退出代码
         internal var forceQuitCallback: (() -> Void)?
         
-        public init(title: String? = nil, message: String? = nil, icon: UIImage? = nil) {
-            self.title = title
-            self.message = message
-            self.icon = icon
+        internal var willLayoutBlock: DispatchWorkItem?
+        
+        internal mutating func setupDuration(duration: TimeInterval?, callback: @escaping () -> Void) {
+            self.duration = duration
+            durationBlock?.cancel()
+            if let t = duration, t > 0 {
+                durationBlock = DispatchWorkItem(block: callback)
+                DispatchQueue.main.asyncAfter(deadline: .now()+t, execute: durationBlock!)
+            } else {
+                durationBlock = nil
+            }
         }
         
+        internal mutating func setupForceQuit(duration: TimeInterval?, callback: @escaping () -> Void) {
+            forceQuitTimerBlock?.cancel()
+            if let t = duration, t > 0 {
+                forceQuitTimerBlock = DispatchWorkItem(block: callback)
+                DispatchQueue.main.asyncAfter(deadline: .now()+t, execute: forceQuitTimerBlock!)
+            } else {
+                forceQuitTimerBlock = nil
+            }
+        }
+        
+        internal mutating func setupWillLayout(duration: TimeInterval?, callback: @escaping () -> Void) {
+            willLayoutBlock?.cancel()
+            if let t = duration, t > 0 {
+                willLayoutBlock = DispatchWorkItem(block: callback)
+                DispatchQueue.main.asyncAfter(deadline: .now()+t, execute: willLayoutBlock!)
+            } else {
+                willLayoutBlock = nil
+            }
+        }
         
     }
     
diff --git a/ProHUD/Guard/GuardController.swift b/ProHUD/Guard/GuardController.swift
index 3b91a3c..1d1b40a 100644
--- a/ProHUD/Guard/GuardController.swift
+++ b/ProHUD/Guard/GuardController.swift
@@ -58,10 +58,10 @@ public extension ProHUD {
             
             view.tintColor = cfg.guard.tintColor
             if let _ = title {
-                loadTitle(title)
+                add(title: title)
             }
             if let _ = message {
-                loadBody(message)
+                add(message: message)
             }
             cfg.guard.loadSubviews(self)
             cfg.guard.reloadData(self)
@@ -74,16 +74,6 @@ public extension ProHUD {
         }
         
         
-        public override func viewDidDisappear(_ animated: Bool) {
-            super.viewDidDisappear(animated)
-            
-        }
-        
-        deinit {
-            debug(self, "deinit")
-        }
-        
-        
     }
 }
 
@@ -134,13 +124,13 @@ public extension ProHUD.Guard {
     
     /// 加载一个标题
     /// - Parameter text: 文本
-    @discardableResult func loadTitle(_ text: String?) -> UILabel {
+    @discardableResult func add(title: String?) -> UILabel {
         let lb = UILabel()
         lb.font = cfg.guard.titleFont
         lb.textColor = cfg.primaryLabelColor
         lb.numberOfLines = 0
         lb.textAlignment = .justified
-        lb.text = text
+        lb.text = title
         textStack.addArrangedSubview(lb)
         if #available(iOS 11.0, *) {
             let count = textStack.arrangedSubviews.count
@@ -155,13 +145,13 @@ public extension ProHUD.Guard {
     
     /// 加载一段正文
     /// - Parameter text: 文本
-    @discardableResult func loadBody(_ text: String?) -> UILabel {
+    @discardableResult func add(message: String?) -> UILabel {
         let lb = UILabel()
         lb.font = cfg.guard.bodyFont
         lb.textColor = cfg.secondaryLabelColor
         lb.numberOfLines = 0
         lb.textAlignment = .justified
-        lb.text = text
+        lb.text = message
         textStack.addArrangedSubview(lb)
         return lb
     }
@@ -170,7 +160,7 @@ public extension ProHUD.Guard {
     /// - Parameter style: 样式
     /// - Parameter title: 标题
     /// - Parameter action: 事件
-    @discardableResult func loadButton(style: UIAlertAction.Style, title: String?, action: (() -> Void)? = nil) -> UIButton {
+    @discardableResult func add(action style: UIAlertAction.Style, title: String?, action: (() -> Void)? = nil) -> UIButton {
         let btn = Button.actionButton(title: title)
         btn.titleLabel?.font = cfg.guard.buttonFont
         if actionStack.superview == nil {
@@ -188,6 +178,13 @@ public extension ProHUD.Guard {
     }
     
     
+    /// 消失事件
+    /// - Parameter callback: 事件回调
+    @discardableResult func didDisappear(_ callback: (() -> Void)?) -> ProHUD.Guard {
+        disappearCallback = callback
+        return self
+    }
+    
 }
 
 fileprivate extension ProHUD.Guard {
diff --git a/ProHUD/HUDController.swift b/ProHUD/HUDController.swift
index a3c9650..cb858b1 100644
--- a/ProHUD/HUDController.swift
+++ b/ProHUD/HUDController.swift
@@ -9,13 +9,14 @@
 import UIKit
 
 public class HUDController: UIViewController {
-
-    public var identifier = String(Date().timeIntervalSince1970)
     
-    internal var willLayout: DispatchWorkItem?
+    /// ID标识
+    public var identifier = String(Date().timeIntervalSince1970)
     
     /// 消失回调
     internal var disappearCallback: (() -> Void)?
+    
+    /// 按钮事件
     internal var buttonEvents = [UIButton:() -> Void]()
     
     init() {
@@ -38,6 +39,10 @@ public class HUDController: UIViewController {
         // Do any additional setup after loading the view.
     }
     
+    public override func viewDidDisappear(_ animated: Bool) {
+        super.viewDidDisappear(animated)
+        disappearCallback?()
+    }
     
 }
 
diff --git a/ProHUD/Toast/ToastController.swift b/ProHUD/Toast/ToastController.swift
index b23e0a4..3e506ad 100644
--- a/ProHUD/Toast/ToastController.swift
+++ b/ProHUD/Toast/ToastController.swift
@@ -91,10 +91,6 @@ public extension ProHUD {
             
         }
         
-        public override func viewDidDisappear(_ animated: Bool) {
-            super.viewDidDisappear(animated)
-            disappearCallback?()
-        }
         
     }
     
@@ -129,16 +125,8 @@ public extension ProHUD.Toast {
     /// 设置持续时间
     /// - Parameter duration: 持续时间
     @discardableResult func duration(_ duration: TimeInterval?) -> ProHUD.Toast {
-        model.duration = duration
-        // 持续时间
-        model.durationBlock?.cancel()
-        if let t = duration, t > 0 {
-            model.durationBlock = DispatchWorkItem(block: { [weak self] in
-                self?.pop()
-            })
-            DispatchQueue.main.asyncAfter(deadline: .now()+t, execute: model.durationBlock!)
-        } else {
-            model.durationBlock = nil
+        model.setupDuration(duration: duration) { [weak self] in
+            self?.pop()
         }
         return self
     }
@@ -161,12 +149,10 @@ public extension ProHUD.Toast {
     /// - Parameter scene: 场景
     /// - Parameter title: 标题
     /// - Parameter message: 内容
-    /// - Parameter icon: 图标
-    @discardableResult func update(scene: Scene, title: String? = nil, message: String? = nil, icon: UIImage? = nil) -> ProHUD.Toast {
+    @discardableResult func update(scene: Scene, title: String?, message: String?) -> ProHUD.Toast {
         model.scene = scene
         model.title = title
         model.message = message
-        model.icon = icon
         cfg.toast.reloadData(self)
         return self
     }
@@ -175,7 +161,7 @@ public extension ProHUD.Toast {
     /// - Parameter title: 标题
     @discardableResult func update(title: String?) -> ProHUD.Toast {
         model.title = title
-        titleLabel.text = title
+        cfg.toast.reloadData(self)
         return self
     }
     
@@ -183,7 +169,7 @@ public extension ProHUD.Toast {
     /// - Parameter message: 消息
     @discardableResult func update(message: String?) -> ProHUD.Toast {
         model.message = message
-        bodyLabel.text = message
+        cfg.toast.reloadData(self)
         return self
     }
     
@@ -191,7 +177,7 @@ public extension ProHUD.Toast {
     /// - Parameter icon: 图标
     @discardableResult func update(icon: UIImage?) -> ProHUD.Toast {
         model.icon = icon
-        imageView.image = icon
+        cfg.toast.reloadData(self)
         return self
     }
     
@@ -292,8 +278,8 @@ public extension ProHUD {
     /// - Parameter title: 标题
     /// - Parameter message: 内容
     /// - Parameter icon: 图标
-    @discardableResult func push(toast scene: Toast.Scene, title: String? = nil, message: String? = nil, icon: UIImage? = nil) -> Toast {
-        return push(Toast(scene: scene, title: title, message: message, icon: icon))
+    @discardableResult func push(toast scene: Toast.Scene, title: String? = nil, message: String? = nil) -> Toast {
+        return push(Toast(scene: scene, title: title, message: message))
     }
     
     /// 获取指定的toast
@@ -346,8 +332,8 @@ public extension ProHUD {
     /// - Parameter title: 标题
     /// - Parameter message: 内容
     /// - Parameter icon: 图标
-    @discardableResult class func push(toast: Toast.Scene, title: String? = nil, message: String? = nil, icon: UIImage? = nil) -> Toast {
-        return shared.push(toast: toast, title: title, message: message, icon: icon)
+    @discardableResult class func push(toast: Toast.Scene, title: String? = nil, message: String? = nil) -> Toast {
+        return shared.push(toast: toast, title: title, message: message)
     }
     
     /// 获取指定的toast
diff --git a/ProHUD/Toast/ToastModel.swift b/ProHUD/Toast/ToastModel.swift
index 62498f1..b9d1353 100644
--- a/ProHUD/Toast/ToastModel.swift
+++ b/ProHUD/Toast/ToastModel.swift
@@ -57,10 +57,15 @@ public extension ProHUD.Toast {
         /// 点击事件回调
         internal var tapCallback: (() -> Void)?
         
-        public init(title: String? = nil, message: String? = nil, icon: UIImage? = nil) {
-            self.title = title
-            self.message = message
-            self.icon = icon
+        internal mutating func setupDuration(duration: TimeInterval?, callback: @escaping () -> Void) {
+            self.duration = duration
+            durationBlock?.cancel()
+            if let t = duration, t > 0 {
+                durationBlock = DispatchWorkItem(block: callback)
+                DispatchQueue.main.asyncAfter(deadline: .now()+t, execute: durationBlock!)
+            } else {
+                durationBlock = nil
+            }
         }