diff --git a/web-vue/src/views/login/LoginForm.vue b/web-vue/src/views/login/LoginForm.vue
index b0ad479..90820e1 100644
--- a/web-vue/src/views/login/LoginForm.vue
+++ b/web-vue/src/views/login/LoginForm.vue
@@ -61,7 +61,7 @@ const handleLogin = async () => {
     // res.data = { token, user }
     emit('success', res.data)
   } catch (e) {
-    ElMessage.error(e.response?.data?.message || '账号或密码错误')
+    ElMessage.error(e.response ? (e.response.data?.message || '账号或密码错误') : '后端服务不可用，请稍后重试')
   } finally {
     loading.value = false
   }
diff --git a/web-vue/src/views/login/RegisterForm.vue b/web-vue/src/views/login/RegisterForm.vue
index c5f666f..ff401e4 100644
--- a/web-vue/src/views/login/RegisterForm.vue
+++ b/web-vue/src/views/login/RegisterForm.vue
@@ -107,7 +107,7 @@ const handleRegister = async () => {
     ElMessage.success('注册成功，请登录')
     emit('success')
   } catch (e) {
-    ElMessage.error(e.response?.data?.message || '注册失败，请重试')
+    ElMessage.error(e.response ? (e.response.data?.message || '注册失败，请重试') : '后端服务不可用，请稍后重试')
   } finally {
     loading.value = false
   }