diff --git a/src/main/java/nlib/user/service/impl/LoginServiceImpl.java b/src/main/java/nlib/user/service/impl/LoginServiceImpl.java
index af60c052..2b6eb18e 100644
--- a/src/main/java/nlib/user/service/impl/LoginServiceImpl.java
+++ b/src/main/java/nlib/user/service/impl/LoginServiceImpl.java
@@ -3,7 +3,6 @@ package nlib.user.service.impl;
 
 import iams.nlib.dataapi.service.DataApiReqVO;
 import iams.nlib.dataapi.service.DataApiResVO;
-import iams.nlib.user.service.impl.LoginDAO;
 import nlib.user.service.LoginService;
 
 /**