diff --git a/Easydict/App/EasydictApp.swift b/Easydict/App/EasydictApp.swift
index 82b133893..5dbf9f90e 100644
--- a/Easydict/App/EasydictApp.swift
+++ b/Easydict/App/EasydictApp.swift
@@ -91,6 +91,28 @@ struct EasydictApp: App {
 
     @Default(.selectedMenuBarIcon) private var menuBarIcon
     @StateObject private var languageState = LanguageState()
+
+    @State var aboutWindow: NSWindow?
+
+    private func showAboutWindow() {
+        if let aboutWindow = aboutWindow {
+            aboutWindow.makeKeyAndOrderFront(nil)
+        } else {
+            aboutWindow = NSWindow(
+                contentRect: NSRect(x: 0, y: 0, width: 500, height: 220),
+                styleMask: [.titled, .closable],
+                backing: .buffered, defer: false
+            )
+            aboutWindow?.titleVisibility = .hidden
+            aboutWindow?.titlebarAppearsTransparent = true
+            aboutWindow?.isReleasedWhenClosed = false
+            aboutWindow?.center()
+            if #available(macOS 13, *) {
+                aboutWindow?.contentView = NSHostingView(rootView: SettingsAboutTab())
+            }
+            aboutWindow?.makeKeyAndOrderFront(nil)
+        }
+    }
 }
 
 // MARK: - FakeViewToOpenSettingsInSonoma
diff --git a/Easydict/Swift/View/SettingView/Tabs/TabView/AboutTab.swift b/Easydict/Swift/View/SettingView/Tabs/TabView/AboutTab.swift
index 8d187f9bc..f012ccc7f 100644
--- a/Easydict/Swift/View/SettingView/Tabs/TabView/AboutTab.swift
+++ b/Easydict/Swift/View/SettingView/Tabs/TabView/AboutTab.swift
@@ -92,18 +92,3 @@ struct AboutTab: View {
 #Preview {
     AboutTab()
 }
-
-@available(macOS 13, *)
-func showAboutWindow() {
-    let aboutWindow = NSWindow(
-        contentRect: NSRect(x: 0, y: 0, width: 500, height: 220),
-        styleMask: [.titled, .closable],
-        backing: .buffered, defer: false
-    )
-    aboutWindow.titleVisibility = .hidden
-    aboutWindow.titlebarAppearsTransparent = true
-    aboutWindow.center()
-    aboutWindow.contentView = NSHostingView(rootView: SettingsAboutTab())
-    aboutWindow.isReleasedWhenClosed = false
-    aboutWindow.makeKeyAndOrderFront(nil)
-}