diff --git a/src/pages/deliver/coms/comScanDeliverPack.vue b/src/pages/deliver/coms/comScanDeliverPack.vue
index cfe00b1d..244a093f 100644
--- a/src/pages/deliver/coms/comScanDeliverPack.vue
+++ b/src/pages/deliver/coms/comScanDeliverPack.vue
@@ -299,8 +299,8 @@
 
 
 			afterGetBalance(label, balance, packageInfo) {
+				let that = this;
 				try {
-					let that = this;
 					let itemCode = label.itemCode;
 					let packingCode = label.packingNumber;
 					let lot = label.batch;