修复钉钉登录：修正响应数据格式处理，request拦截器已返回Result对象

frontend/src/views/Login.vue

@@ -392,21 +392,23 @@ const handleDingTalkLogin = async () => {
   dingTalkLoginLoading.value = true
   try {
     // 获取钉钉登录URL
+    // 注意：request 拦截器已经处理了 Result 包装，返回的就是 Result 对象
     const response = await request.get<Result<{ authUrl: string; appKey: string }>>('/dingtalk/oauth/login', {
       params: {
         redirectUrl: `${window.location.origin}/auth/dingtalk/callback`
       }
     })
     
-    if (response.data.code === 200 && response.data.data) {
+    // response 已经是 Result 对象，直接使用 response.data
+    if (response.code === 200 && response.data) {
       // 跳转到钉钉登录页面
-      window.location.href = response.data.data.authUrl
+      window.location.href = response.data.authUrl
     } else {
-      message.error(response.data.message || '获取钉钉登录地址失败')
+      message.error(response.message || '获取钉钉登录地址失败')
     }
   } catch (error: any) {
     console.error('钉钉登录失败:', error)
-    message.error(error.response?.data?.message || '钉钉登录失败，请稍后重试')
+    message.error(error.response?.data?.message || error.message || '钉钉登录失败，请稍后重试')
   } finally {
     dingTalkLoginLoading.value = false
   }