退款单创建/更新vo的orderItemNo字段非空校验提示信息修改

fp-system/src/main/java/com/zf/foodpurchase/fdsafe/vo/RefundItemAddUpdateVO.java

@@ -21,7 +21,7 @@ public class RefundItemAddUpdateVO extends CommonVO implements Serializable {
     @NotBlank(message = "子退款号不能为空", groups = {UpdateGroup.class})
     private String refundItemNo;
 
-    @NotBlank(message = "子订单号", groups = {AddGroup.class})
+    @NotBlank(message = "子订单号不能为空", groups = {AddGroup.class})
     private String orderItemNo;
 
     @NotBlank(message = "退款项原因不能为空", groups = {AddGroup.class, UpdateGroup.class})