diff --git a/.vscode/settings.json b/.vscode/settings.json
index 4c05394..e63659c 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -7,5 +7,6 @@
   },
   "[json]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode"
-  }
+  },
+  "terminal.integrated.defaultProfile.windows": "PowerShell"
 }
diff --git a/src/main/config/override.ts b/src/main/config/override.ts
index e45bb32..962315a 100644
--- a/src/main/config/override.ts
+++ b/src/main/config/override.ts
@@ -48,8 +48,8 @@ export async function addOverrideItem(item: Partial<IOverrideItem>): Promise<voi
     await updateOverrideItem(newItem)
   } else {
     config.items.push(newItem)
+    await setOverrideConfig(config)
   }
-  await setOverrideConfig(config)
 }
 
 export async function removeOverrideItem(id: string): Promise<void> {
diff --git a/src/main/resolve/floatingWindow.ts b/src/main/resolve/floatingWindow.ts
index aaa04d6..74ca7c2 100644
--- a/src/main/resolve/floatingWindow.ts
+++ b/src/main/resolve/floatingWindow.ts
@@ -76,6 +76,7 @@ async function createFloatingWindow(): Promise<void> {
     })
 
     // IPC 监听器
+    ipcMain.removeAllListeners('updateFloatingWindow')
     ipcMain.on('updateFloatingWindow', () => {
       if (floatingWindow) {
         floatingWindow.webContents.send('controledMihomoConfigUpdated')
@@ -130,8 +131,8 @@ export async function triggerFloatingWindow(): Promise<void> {
 
 export async function closeFloatingWindow(): Promise<void> {
   if (floatingWindow) {
+    ipcMain.removeAllListeners('updateFloatingWindow')
     floatingWindow.close()
-    floatingWindow.destroy()
     floatingWindow = null
   }
   await showTrayIcon()