diff --git a/mes-ui/mes-ui-admin-vue3/src/views/heli/deliverorder/detail.vue b/mes-ui/mes-ui-admin-vue3/src/views/heli/deliverorder/detail.vue
index 68df993b..0b57c4a2 100644
--- a/mes-ui/mes-ui-admin-vue3/src/views/heli/deliverorder/detail.vue
+++ b/mes-ui/mes-ui-admin-vue3/src/views/heli/deliverorder/detail.vue
@@ -764,7 +764,7 @@ const handleSelectedProjectOrder = (arr: ProjectOrderVO[]) => {
       let order = arr[i]
       saleOrderIds += order.id + ','
       saleOrderCode += order.code + ','
-      contractNo += order.contractNo + ','
+      contractNo += (!order.contractNo ? '' : order.contractNo) + ','
       property += getDictLabel(DICT_TYPE.HELI_PROJECT_PROPERTY, order.property) + ','
       projectName += order.projectName + ','
     }