diff --git a/source/java/src/main/java/com/mindskip/xzs/service/impl/AuthenticationServiceImpl.java b/source/java/src/main/java/com/mindskip/xzs/service/impl/AuthenticationServiceImpl.java
index 4dd1a655ff487f447228b9835061f40c646667a3..1a54d92d5906882e92b1de1a5d9a6e052a5bbc08 100644
--- a/source/java/src/main/java/com/mindskip/xzs/service/impl/AuthenticationServiceImpl.java
+++ b/source/java/src/main/java/com/mindskip/xzs/service/impl/AuthenticationServiceImpl.java
@@ -18,6 +18,7 @@ public class AuthenticationServiceImpl implements AuthenticationService {
 
     @Autowired
     public AuthenticationServiceImpl(UserService userService, SystemConfig systemConfig) {
+        int i=10/0;
         this.userService = userService;
         this.systemConfig = systemConfig;
     }