diff --git a/Source/Alert/AlertConfig.swift b/Source/Alert/AlertConfig.swift
index efc3f6c..245c5d2 100644
--- a/Source/Alert/AlertConfig.swift
+++ b/Source/Alert/AlertConfig.swift
@@ -8,7 +8,6 @@
 
 import UIKit
 import SnapKit
-import Inspire
 
 public extension UIWindow.Level {
     static let proAlert = UIWindow.Level.alert - 1
diff --git a/Source/Guard/GuardConfig.swift b/Source/Guard/GuardConfig.swift
index da5d237..b8566fa 100644
--- a/Source/Guard/GuardConfig.swift
+++ b/Source/Guard/GuardConfig.swift
@@ -8,7 +8,6 @@
 
 import UIKit
 import SnapKit
-import Inspire
 
 public extension ProHUD.Configuration {
     struct Guard {
@@ -106,7 +105,7 @@ fileprivate var privReloadData: (ProHUD.Guard) -> Void = {
                 if width < config.cardMaxWidth {
                     mk.bottom.equalToSuperview()
                 } else {
-                    mk.bottom.equalToSuperview().offset(-Inspire.shared.screen.safeAreaInsets.bottom)
+                    mk.bottom.equalToSuperview().offset(-ProHUD.safeAreaInsets.bottom)
                 }
             } else if UIDevice.current.userInterfaceIdiom == .pad {
                 mk.centerY.equalToSuperview()
@@ -116,13 +115,13 @@ fileprivate var privReloadData: (ProHUD.Guard) -> Void = {
         // stack
         vc.contentStack.snp.makeConstraints { (mk) in
             if isPortrait && vc.isFullScreen {
-                mk.top.equalToSuperview().offset(Inspire.shared.screen.safeAreaInsets.top)
+                mk.top.equalToSuperview().offset(ProHUD.safeAreaInsets.top)
             } else {
                 mk.top.equalToSuperview().offset(config.padding)
             }
             mk.centerX.equalToSuperview()
             if width < config.cardMaxWidth {
-                let bottom = Inspire.shared.screen.safeAreaInsets.bottom
+                let bottom = ProHUD.safeAreaInsets.bottom
                 if bottom == 0 {
                     mk.bottom.equalToSuperview().offset(-config.padding)
                 } else {
diff --git a/Source/Guard/GuardController.swift b/Source/Guard/GuardController.swift
index 98ed95a..a908312 100644
--- a/Source/Guard/GuardController.swift
+++ b/Source/Guard/GuardController.swift
@@ -8,7 +8,6 @@
 
 import UIKit
 import SnapKit
-import Inspire
 
 public typealias Guard = ProHUD.Guard
 
diff --git a/Source/HUDConfig.swift b/Source/HUDConfig.swift
index 7554b74..83fddd7 100644
--- a/Source/HUDConfig.swift
+++ b/Source/HUDConfig.swift
@@ -8,10 +8,8 @@
 
 import UIKit
 
-@available(iOS 13.0, *)
-
-fileprivate var sharedWindowScene: UIWindowScene?
 
+/// HUD配置
 public extension ProHUD {
     struct Configuration {
         
@@ -21,14 +19,18 @@ public extension ProHUD {
         /// 根控制器，默认可以自动获取，如果获取失败请主动设置
         public var rootViewController: UIViewController?
         
-        @available(iOS 13.0, *)
         /// iOS13必须设置此值，默认可以自动获取，如果获取失败请主动设置
+        @available(iOS 13.0, *)
+        private static var sharedWindowScene: UIWindowScene?
+        
+        /// iOS13必须设置此值，默认可以自动获取，如果获取失败请主动设置
+        @available(iOS 13.0, *)
         public var windowScene: UIWindowScene? {
             set {
-                sharedWindowScene = newValue
+                Configuration.sharedWindowScene = newValue
             }
             get {
-                return sharedWindowScene
+                return Configuration.sharedWindowScene
             }
         }
         
diff --git a/Source/HUDView.swift b/Source/HUDView.swift
index e202501..0044f7c 100644
--- a/Source/HUDView.swift
+++ b/Source/HUDView.swift
@@ -7,6 +7,7 @@
 //
 
 import UIKit
+import Inspire
 
 public extension ProHUD {
     
@@ -173,3 +174,9 @@ extension CALayer {
         removeAnimation(forKey: .rotateKey)
     }
 }
+
+extension ProHUD {
+    static var safeAreaInsets: UIEdgeInsets {
+        return Inspire.shared.screen.updatedSafeAreaInsets
+    }
+}
diff --git a/Source/Toast/ToastController.swift b/Source/Toast/ToastController.swift
index ceeb552..705db96 100644
--- a/Source/Toast/ToastController.swift
+++ b/Source/Toast/ToastController.swift
@@ -7,7 +7,6 @@
 //
 
 import UIKit
-import Inspire
 
 public typealias Toast = ProHUD.Toast
 
@@ -316,7 +315,7 @@ fileprivate extension Toast {
     
     class func privUpdateToastsLayout() {
         func f() {
-            let top = Inspire.shared.screen.updatedSafeAreaInsets.top
+            let top = ProHUD.safeAreaInsets.top
             for (i, e) in toasts.enumerated() {
                 let config = cfg.toast
                 if let window = e.window {