HL-6424没有价差的情况下，采购通过时，会弹出提示。没有价差的时候可直接处理，不应该弹出提示 @王宇飞

src/views/wms/supplierManage/supplierinvoice/supplierinvoiceRequestMain/index.vue

@@ -1119,8 +1119,9 @@ const onChangePurchasePass = (field, cur, formRef)=>{
 /** 采购审批通过按钮操作 */
 const submitPurchasePass = async (id, submitData) => {
   console.log(submitData)
-  if(!submitData?.balanceStatement.trim()){
+  if(submitData&&!submitData.balanceStatement.trim()){
     message.error('请输入价差通过说明')
+    return
   }
   const id1 = submitData?.id || id