diff --git a/src/components/navbar/index.vue b/src/components/navbar/index.vue
index 465f52ae..38b7a24f 100644
--- a/src/components/navbar/index.vue
+++ b/src/components/navbar/index.vue
@@ -272,6 +272,7 @@
         alert(t('global.connectFail'));  
         return;
       }
+
       appStore.updateSettings({ connectPort: _connect });
 
       const driversList : any = {};
@@ -280,8 +281,15 @@
       })
 
       let _configuration = null;
-      
-      const version = await eeprom_init(_connect);
+      let version = "";
+      try{
+        version = await eeprom_init(_connect);
+      }catch{
+        await disconnect(_connect);
+        appStore.updateSettings({ connectState: false, connectPort: null, firmwareVersion: "" });
+        alert(t('global.handshakeFail'));
+        throw new Error(t('global.handshakeFail'));
+      }
       const config = {
         "name": "TODO",
         "uart": "official",
diff --git a/src/locale/en-US.ts b/src/locale/en-US.ts
index 67198a0e..aab60df4 100644
--- a/src/locale/en-US.ts
+++ b/src/locale/en-US.ts
@@ -140,7 +140,8 @@ export default {
   'tool.scannotice': 'Uploaded location information will be cached by the server for 10 minutes',
   'tool.scaned': 'Scanned and uploaded',
   'global.nosupport': 'Current browser does not support WebSerial function, please use Chrome, Edge, Opera browser.',
-  'global.connectFail': 'Connect Fail',
+  'global.connectFail': 'Connect Failure',
+  'global.handshakeFail': 'Handshake Failure',
   'menu.workshop': 'Workshop',
   'menu.firmware': 'Firmware Store',
   'menu.channel': 'Channel Share',
diff --git a/src/locale/zh-CN.ts b/src/locale/zh-CN.ts
index d3a9ea16..85755748 100644
--- a/src/locale/zh-CN.ts
+++ b/src/locale/zh-CN.ts
@@ -141,6 +141,7 @@ export default {
   'tool.scaned': '已扫码上传',
   'global.nosupport': '当前浏览器不支持网页串口功能，请使用 Chrome, Edge, Opera 浏览器。',
   'global.connectFail': '连接失败',
+  'global.handshakeFail': '握手失败',
   'menu.workshop': '创意工坊',
   'menu.firmware': '固件市场',
   'menu.channel': '信道分享',