diff --git a/coupon/lookCard.html b/coupon/lookCard.html
index c1525b4..76570ee 100644
--- a/coupon/lookCard.html
+++ b/coupon/lookCard.html
@@ -130,7 +130,7 @@
                     },
 
                     getInfo (loading = false) {
-                        const orderNumber = localStorage.getItem('orderNumber');
+                        const orderNumber = sessionStorage.getItem('orderNumber');
                         this.loading = loading;
                         /* 获取卡密详情 */
                         req.axiosGet(`/key/order/detail/${orderNumber}`).then(res => {
diff --git a/coupon/myOrder.html b/coupon/myOrder.html
index 37a133f..8de1918 100644
--- a/coupon/myOrder.html
+++ b/coupon/myOrder.html
@@ -181,7 +181,7 @@
 
                 /* 查看卡密 */
                 lookCard (item) {
-                    localStorage.setItem("orderNumber", item.order_number);
+                    sessionStorage.setItem("orderNumber", item.order_number);
                     window.location.href = './lookCard.html';
                 },
 
diff --git a/exchange.html b/exchange.html
index 92b9bd7..9997851 100644
--- a/exchange.html
+++ b/exchange.html
@@ -348,7 +348,7 @@
                 if (!this.backAble) { /* 当只有一个卡密商品时 */
                   this.loading = true;
                   setTimeout(() => {
-                    localStorage.setItem('orderNumber', res.data.order_number);
+                    sessionStorage.setItem('orderNumber', res.data.order_number);
                     window.location.href = './coupon/lookCard.html';
                     this.loading = false;
                   }, 3000);
diff --git a/homepage.html b/homepage.html
index b6f7c39..9f9f389 100644
--- a/homepage.html
+++ b/homepage.html
@@ -272,7 +272,7 @@
       },
       //根据token获取商品信息
       async getGoods () {
-        localStorage.setItem('backShow', '');
+        sessionStorage.setItem('backShow', '');
         let self = this;
         let showType = localStorage.getItem('showType');
         this.showType = showType;
@@ -400,8 +400,8 @@
                     })
                     .then(({ data, code, }) => {
                       if (code === 200) {
-                        localStorage.setItem('orderNumber', data[0].order_number);
-                        localStorage.setItem('backShow', 1);
+                        sessionStorage.setItem('orderNumber', data[0].order_number);
+                        sessionStorage.setItem('backShow', 1);
                         window.location.href = './coupon/lookCard.html';
                       }
                     });
diff --git a/order.html b/order.html
index c8ed545..015d00c 100644
--- a/order.html
+++ b/order.html
@@ -322,7 +322,7 @@
 
                 /* 查看卡密 */
                 lookCard (item) {
-                    localStorage.setItem("orderNumber", item.order_number);
+                    sessionStorage.setItem("orderNumber", item.order_number);
                     window.location.href = "./coupon/lookCard.html";
                 },