diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/LoginService.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/LoginService.java
index 055ee57..0d2066e 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/LoginService.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/LoginService.java
@@ -57,6 +57,8 @@ public class LoginService {
             return Result.fail(CodeEnum.PARAM);
         }
 
+
+
         if (ObjectUtil.isEmpty(loginReq.getSerialNumber())) {
             return Result.fail(CodeEnum.SERIALNUMBER);
         }