diff --git a/.gitignore b/.gitignore
index 5b245c4..cc06e06 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@
 build/bin
 frontend/wailsjs
 frontend/public/docs
+*-res.syso
 
 # From the vue template of vite
 #
diff --git a/README.md b/README.md
index 9ab8d82..eb1cb6c 100644
--- a/README.md
+++ b/README.md
@@ -13,18 +13,13 @@ Prepare and install environment for development?
 
 ## Technologies
 
-| Technology | Role                                                 | Sources                        |
-| :--------- | :--------------------------------------------------- | :----------------------------- |
-| Go         | Backend programming language                         | https://pkg.go.dev/std         |
-| TypeScript | Frontend programming language                        | https://typescriptlang.org     |
-| Vite       | Next Generation Frontend Tooling                     | https://vitejs.dev/            |
-| Vue 3      | Progressive JavaScript Framework                     | https://vuejs.org/             |
-| Wails      | Build cross-platform desktop applications using Go   | https://wails.io/              |
-| UPX        | Ultimate packer for executables                      | https://upx.github.io/         |
-| Swaggo     | Converts Go annotations to Swagger Documentation 2.0 | https://github.com/swaggo/swag |
-
-## Design Pattern Summary
-
-| Pattern   | Role                                         | Packages        |
-| :-------- | :------------------------------------------- | :-------------- |
-| Singleton | Maintains read-only state and global objects | app, i18n, tray |
+| Technology | Role                                                 | Sources                               |
+| :--------- | :--------------------------------------------------- | :------------------------------------ |
+| Go         | Backend programming language                         | https://pkg.go.dev/std                |
+| TypeScript | Frontend programming language                        | https://typescriptlang.org            |
+| Vite       | Next Generation Frontend Tooling                     | https://vitejs.dev/                   |
+| Vue 3      | Progressive JavaScript Framework                     | https://vuejs.org/                    |
+| Wails      | Build cross-platform desktop applications using Go   | https://wails.io/                     |
+| UPX        | Ultimate packer for executables                      | https://upx.github.io/                |
+| Swaggo     | Converts Go annotations to Swagger Documentation 2.0 | https://github.com/swaggo/swag        |
+| Systray    | A cross platfrom system tray using Go                | https://github.com/getlantern/systray |
diff --git a/backend/tray/tray.go b/backend/tray/tray.go
index 9e943e6..32719f4 100644
--- a/backend/tray/tray.go
+++ b/backend/tray/tray.go
@@ -169,7 +169,6 @@ func (t *tray) onReady() {
 				}
 				if dialog == "Yes" { // when default button => "Yes" is clicked
 					systray.Quit()
-					runtime.Quit(t.wailsCtx)
 				}
 			},
 		})
@@ -182,4 +181,6 @@ func (t *tray) onQuit() {
 	t.displayLanguage.StopWatch()
 	t.colorTheme.StopWatch()
 	t.quit.StopWatch()
+
+	runtime.Quit(t.wailsCtx)
 }