diff --git a/src/main/java/com/glxp/api/service/inv/impl/InvInnerOrderPrintServiceImpl.java b/src/main/java/com/glxp/api/service/inv/impl/InvInnerOrderPrintServiceImpl.java
index 9d2cea45..fcf7544a 100644
--- a/src/main/java/com/glxp/api/service/inv/impl/InvInnerOrderPrintServiceImpl.java
+++ b/src/main/java/com/glxp/api/service/inv/impl/InvInnerOrderPrintServiceImpl.java
@@ -289,7 +289,7 @@ public class InvInnerOrderPrintServiceImpl implements InvInnerOrderPrintService
 
             String udiCode = "#" + obj.getNameCode() + "#" + obj.getProductDate() + "#" + obj.getExpireDate() +
                     "#" + obj.getBatchNo() + "#" + udiProductEntity.getSerialNo() + "#" + udiProductEntity.getWarehouseCode() + "#" + udiProductEntity.getDeptCode();
-            udiCode = udiCode.replaceAll("#null", "");
+            udiCode = udiCode.replaceAll("#null", "#");
             innerOrderPrintEntity.setUdiCode(udiCode);
             invInnerOrderPrintDao.insert(innerOrderPrintEntity);
         }