diff --git a/frontend/src/renderer/src/views/Login.vue b/frontend/src/renderer/src/views/Login.vue
index ab290c05..e8f51666 100644
--- a/frontend/src/renderer/src/views/Login.vue
+++ b/frontend/src/renderer/src/views/Login.vue
@@ -440,9 +440,12 @@ const handleLogin = async () => {
   
   isLoading.value = true
   
-  // 网络访问测试（最多重试3次，短退避：200/400/800ms，总上限约 1.4s）
+  // 网络访问测试（打包后端启动较慢时，做短暂重试等待）
+  const MAX_HEALTH_ATTEMPTS = 6
+  const HEALTH_BASE_DELAY_MS = 200
+  const HEALTH_MAX_DELAY_MS = 1500
   let healthOk = false
-  for (let attempt = 1; attempt <= 3; attempt++) {
+  for (let attempt = 1; attempt <= MAX_HEALTH_ATTEMPTS; attempt++) {
     try {
       const result = await systemAPI.health()      
       if (result && result.status === 'healthy') {
@@ -450,22 +453,22 @@ const handleLogin = async () => {
         break
       } else {
         // 后台返回非 healthy 状态
-        if (attempt === 3) {
+        if (attempt === MAX_HEALTH_ATTEMPTS) {
           showError('后台服务异常，请稍后重试！')
           isLoading.value = false
           return
         }
-        const delay = 200 * Math.pow(2, attempt - 1)
+        const delay = Math.min(HEALTH_MAX_DELAY_MS, HEALTH_BASE_DELAY_MS * Math.pow(2, attempt - 1))
         await new Promise(resolve => setTimeout(resolve, delay))
       }
     } catch (error) {
       // 捕获异常，等待后重试
-      if (attempt === 3) {
+      if (attempt === MAX_HEALTH_ATTEMPTS) {
         showError('网络访问失败，请检查连接后重试！')
         isLoading.value = false
         return
       }
-      const delay = 200 * Math.pow(2, attempt - 1)
+      const delay = Math.min(HEALTH_MAX_DELAY_MS, HEALTH_BASE_DELAY_MS * Math.pow(2, attempt - 1))
       await new Promise(resolve => setTimeout(resolve, delay))
     }
   }