diff --git a/exchange.html b/exchange.html
index a431a4a..2f12fcd 100644
--- a/exchange.html
+++ b/exchange.html
@@ -296,8 +296,9 @@
           "token": sessionStorage.getItem('token')
         }
         req.axiosPost('/key/usage', data).then(res => {
-          sessionStorage.setItem('lastid', self.goodInfo.product_id);
+          // sessionStorage.setItem('lastid', self.goodInfo.product_id);
           if (res.code == 200) {
+            sessionStorage.setItem('lastid', self.goodInfo.product_id);
             // 查询订单接口
             this.popboxtype = '成功';
             this.popboxshow = true;