防止重复点击

src/views/badge/orderDetail.vue

@@ -60,7 +60,7 @@
         </div>
         <div class="product-row">
           <span class="product-label">购买时间</span>
-          <span class="product-value">{{order.pay_at || '未支付'}}</span>
+          <span class="product-value">{{order.pay_at}}</span>
         </div>
       </div>
     </div>