销售端无法查看物流消息

src/views/hisStore/components/productOrder.vue

@@ -671,6 +671,7 @@ export default {
     },
     showExpress(){
       this.expressDialog.open=true;
+      this.traces =  [];
       getExpress(this.orderId).then(response => {
           this.express = response.data;
           if(this.express!=null&&this.express.Traces!=null){