diff --git a/Easydict/Swift/View/SettingView/Tabs/TabView/AboutTab.swift b/Easydict/Swift/View/SettingView/Tabs/TabView/AboutTab.swift
index 748c6e16e..8495d2b5e 100644
--- a/Easydict/Swift/View/SettingView/Tabs/TabView/AboutTab.swift
+++ b/Easydict/Swift/View/SettingView/Tabs/TabView/AboutTab.swift
@@ -26,7 +26,7 @@ struct SettingsAboutTab: View {
 struct AboutTab: View {
     // MARK: Internal
 
-    @Environment(\.openWindow) var openWindow
+    @Environment(\.openWindow) private var openWindow
 
     var body: some View {
         VortexViewReader { proxy in