diff --git a/Easydict/NewApp/View/SettingView/Tabs/ServiceTab.swift b/Easydict/NewApp/View/SettingView/Tabs/ServiceTab.swift
index 6b4262522..5399f9af7 100644
--- a/Easydict/NewApp/View/SettingView/Tabs/ServiceTab.swift
+++ b/Easydict/NewApp/View/SettingView/Tabs/ServiceTab.swift
@@ -75,6 +75,7 @@ private class ServiceTabViewModel: ObservableObject {
         didSet {
             if oldValue != windowType {
                 updateServices()
+                selectedService = nil
             }
         }
     }