取消强制转换物流单号为int

@@ -59,14 +59,6 @@ export default {
       oldRouterName: 'order.detail',
     };
   },
-  watch: {
-    orderInfo: {
-      handler(newValue) {
-        this.orderInfo.expressNumber = +newValue.expressNumber > 0 ? newValue.expressNumber : '';
-      },
-      deep: true,
-    },
-  },
   created() {
     this.LogisticsService = new LogisticsService();
     this.OrderService = new OrderService();