完善购买和套餐功能

backend/src/views/package/list.vue

@@ -79,10 +79,11 @@
               type="primary"
               size="large"
               :loading="buyingIds[pkg.id]"
+              :disabled="isPurchasedOnce(pkg)"
               @click="handleBuy(pkg)"
               class="buy-btn"
             >
-              立即购买
+              {{ isPurchasedOnce(pkg) ? "已购买（限购一次）" : "立即购买" }}
             </el-button>
           </div>
         </el-card>
@@ -141,6 +142,7 @@ import { ElMessage } from "element-plus";
 import { ArrowLeft, OfficeBuilding, Box, User, InfoFilled } from "@element-plus/icons-vue";
 import QRCode from "qrcode";
 import { useAuthStore } from "@/stores/auth";
+import { reloadMenusAndDynamicRoutes } from "@/router";
 import {
   getPackageList,
   createPackageOrder,
@@ -223,6 +225,10 @@ const renderQR = async () => {
   }
 };
 
+/** 仅可购买一次的套餐（体验套餐）在已购买过之后禁用购买按钮 */
+const isPurchasedOnce = (pkg: any) =>
+  Number(pkg?.allow_repurchase) === 0 && pkg?.purchased === true;
+
 const handleBuy = async (pkg: any) => {
   buyingIds.value[pkg.id] = true;
   try {
@@ -295,6 +301,8 @@ const checkOrder = async (orderNo: string, silent = false) => {
         ElMessage.success("购买成功，套餐已开通");
         payVisible.value = false;
         loadMyOrders();
+        // 重建动态路由，把新开通模块的「功能未开通」菜单占位页切换为真实页面
+        reloadMenusAndDynamicRoutes().catch(() => {});
         return;
       }
       if (status === "paid") {