diff --git a/src/main/config/controledMihomo.ts b/src/main/config/controledMihomo.ts
index ab26822..038d9b9 100644
--- a/src/main/config/controledMihomo.ts
+++ b/src/main/config/controledMihomo.ts
@@ -38,10 +38,6 @@ export async function patchControledMihomoConfig(patch: Partial<IMihomoConfig>):
     controledMihomoConfig.sniffer = defaultControledMihomoConfig.sniffer
   }
 
-  if (process.platform === 'darwin') {
-    delete controledMihomoConfig?.tun?.device
-  }
-
   await generateProfile()
   await writeFile(controledMihomoConfigPath(), yaml.stringify(controledMihomoConfig), 'utf-8')
 }
diff --git a/src/main/utils/init.ts b/src/main/utils/init.ts
index d8a0162..ce4f69b 100644
--- a/src/main/utils/init.ts
+++ b/src/main/utils/init.ts
@@ -250,7 +250,8 @@ async function migration(): Promise<void> {
     authentication,
     'bind-address': bindAddress,
     'lan-allowed-ips': lanAllowedIps,
-    'lan-disallowed-ips': lanDisallowedIps
+    'lan-disallowed-ips': lanDisallowedIps,
+    tun
   } = await getControledMihomoConfig()
   // add substore sider card
   if (useSubStore && !siderOrder.includes('substore')) {
@@ -276,6 +277,16 @@ async function migration(): Promise<void> {
   if (!lanDisallowedIps) {
     await patchControledMihomoConfig({ 'lan-disallowed-ips': [] })
   }
+  // default tun device
+  if (!tun?.device || (process.platform === 'darwin' && tun.device === 'Mihomo')) {
+    const defaultDevice = process.platform === 'darwin' ? 'utun1500' : 'Mihomo'
+    await patchControledMihomoConfig({
+      tun: {
+        ...tun,
+        device: defaultDevice
+      }
+    })
+  }
   // remove custom app theme
   if (!['system', 'light', 'dark'].includes(appTheme)) {
     await patchAppConfig({ appTheme: 'system' })