diff --git a/emis-biz/src/main/java/com/xdadan/erp/emis/service/impl/EmisWaybillServiceImpl.java b/emis-biz/src/main/java/com/xdadan/erp/emis/service/impl/EmisWaybillServiceImpl.java
index f6bd107ae..91a6063ff 100644
--- a/emis-biz/src/main/java/com/xdadan/erp/emis/service/impl/EmisWaybillServiceImpl.java
+++ b/emis-biz/src/main/java/com/xdadan/erp/emis/service/impl/EmisWaybillServiceImpl.java
@@ -2843,8 +2843,10 @@ public class EmisWaybillServiceImpl extends EmisBaseService implements IEmisWayb
     private void addNewWaybill(EmisWaybill emisWaybillSave) throws EmisBizError {
 
         // 获取运单号，判断是不是子单已存在
-        getMainBillCode()
-
+        boolean isExists = checkWaybillIsExists(emisWaybillSave.getBillCode());
+        if(isExists){
+            throw new EmisBizError(EmisBizErrorType.FAIL, "单号与子单号相同，请换单号");
+        }
 
         // 子单号做扣减
         if ("1".equals(emisWaybillSave.getBlGenSubbill())) {