订单提交后 清除cookies

@@ -125,6 +125,7 @@ function submitOrder() {
             } else {
                 url = '/home/pay?order_code=' + res.data.order_code;
             }
+            window.setCookie('order-info', '');
             window.location.href = url;
         } else {
             tip.show(res.messege || '网络出错');