diff --git a/src/views/wms/purchasereceiptManage/supplierdeliver/supplierdeliverRequestMain/labelForm.vue b/src/views/wms/purchasereceiptManage/supplierdeliver/supplierdeliverRequestMain/labelForm.vue
index 337596fe2..b25277d6f 100644
--- a/src/views/wms/purchasereceiptManage/supplierdeliver/supplierdeliverRequestMain/labelForm.vue
+++ b/src/views/wms/purchasereceiptManage/supplierdeliver/supplierdeliverRequestMain/labelForm.vue
@@ -336,7 +336,7 @@ const addT = (oneRow) => {
   oneId.value++
   oneRow.packageList.push({
     id: oneId.value,
-    tPoNumber: (oneRow.packageList[oneRow.packageList.length - 1]?.tPoNumber || 0) + 1, //行号是上一行的行号加1
+    tPoNumber: oneRow?.packageList?.length>0?oneRow.packageList[oneRow.packageList.length - 1]?.tPoNumber  + 1 :1, //行号是上一行的行号加1
     xNumber: '',
     qtyOne: ''
   })
@@ -355,9 +355,7 @@ const addX = (oneRow, oneIndex, twoRow, twoIndex, type) => {
     // 在托下添加箱
     twoRow.children.push({
       id: twoId.value,
-      xPoNumber: twoRow?.children[twoRow.children.length - 1]?.xPoNumber
-        ? twoRow?.children[twoRow.children.length - 1]?.xPoNumber
-        : 0 + 1,
+      xPoNumber: twoRow?.children?.length>0? twoRow?.children[twoRow.children.length - 1]?.xPoNumber + 1 :1,
       qtyOne: ''
     })
     twoRow.xNumber = twoRow.children.length
@@ -365,7 +363,7 @@ const addX = (oneRow, oneIndex, twoRow, twoIndex, type) => {
     // 直接添加箱
     twoRow.children.push({
       id: twoId.value,
-      xPoNumber: twoRow.children[twoRow.children.length - 1].xPoNumber + 1,
+      xPoNumber:twoRow.children.length>0? twoRow.children[twoRow.children.length - 1].xPoNumber + 1:1,
       qtyTwo: ''
     })
     oneRow.allTuoQty = twoRow.children.length