修复选择位置后各个页面定位不统一的问题

pages/supply_chains/supply_chains.vue

@@ -697,6 +697,7 @@
             uni.$once('changeAddress', (e) => {
               this.street_id = e.street.code;
               this.street = e.street.name;
+              this.town = e.street.name;
               if (e.longitude) {
                 this.longitude = e.longitude;
                 this.latitude = e.latitude;