diff --git a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/impl/SnGenServiceImpl.java b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/impl/SnGenServiceImpl.java
index 88398be..9df468d 100644
--- a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/impl/SnGenServiceImpl.java
+++ b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/business/service/impl/SnGenServiceImpl.java
@@ -49,7 +49,7 @@ public class SnGenServiceImpl extends ServiceImpl<SnGenMapper, SnGen> implements
                 baseMapper.addSn(date,type);
                 sort = getOne(queryWrapper,false).getSn();
             }
-            return date+"-"+String.format("%04d", sort);
+            return date+"-"+String.format("%03d", sort);
         } catch (Exception e) {
             log.error("getNewSn执行被中断", e);
         } finally {