diff --git a/inventory-web/src/App.vue b/inventory-web/src/App.vue
index e688e5b..7731ba3 100644
--- a/inventory-web/src/App.vue
+++ b/inventory-web/src/App.vue
@@ -16,11 +16,28 @@ const isLoginPage = computed(() => {
 })
 
 // 页面加载时刷新权限
-onMounted(() => {
+onMounted(async () => {
   if (userStore.token) {
+    // ★ 如果 access_token 可能已过期，先主动用 refresh_token 换新 token
+    // 避免后续 API 调用触发 401 → 刷新 → 重试的竞态导致权限空白
+    try {
+      const refreshTokenValue = localStorage.getItem('refresh_token')
+      if (refreshTokenValue) {
+        const res = await fetch('/api/v1/auth/refresh', {
+          method: 'POST',
+          headers: { 'Content-Type': 'application/json' },
+          body: JSON.stringify({ refresh_token: refreshTokenValue })
+        })
+        if (res.ok) {
+          const data = await res.json()
+          if (data.access_token) {
+            userStore.setToken(data.access_token)
+          }
+        }
+      }
+    } catch (e) { /* 静默，失败时走正常 401 刷新流程 */ }
     userStore.refreshUserPermissions()
   }
-  // 当 Vue 根组件挂载完毕，确保 Dify 图标一定会被加载
   if (typeof (window as any).initDifyChatbot === 'function') {
     (window as any).initDifyChatbot()
   }