diff --git a/src/main/java/com/despisctionsystem/code4/Mapper/UsersMapper.java b/src/main/java/com/despisctionsystem/code4/Mapper/UsersMapper.java
index 66b9a1c..4e9c786 100644
--- a/src/main/java/com/despisctionsystem/code4/Mapper/UsersMapper.java
+++ b/src/main/java/com/despisctionsystem/code4/Mapper/UsersMapper.java
@@ -13,9 +13,11 @@ import org.springframework.stereotype.Repository;
 @Repository
 public interface UsersMapper extends BaseMapper<Users> {
 
-    @Select("select user_password from users where users.user_id > 0")
-    void getUserPass();
+//    @Select("select user_password from users where users.user_id > 0")
+//    String getUserPass();
 
-    @Select("select user_name from users where user_id is not null")
-    void getUserName();
+    String getUserPass();
+
+    @Select("select user_name from users where user_id > 0")
+    String getUserName();
 }
diff --git a/src/main/java/com/despisctionsystem/code4/Pojo/Users.java b/src/main/java/com/despisctionsystem/code4/Pojo/Users.java
index 9aef45d..d09def7 100644
--- a/src/main/java/com/despisctionsystem/code4/Pojo/Users.java
+++ b/src/main/java/com/despisctionsystem/code4/Pojo/Users.java
@@ -14,7 +14,6 @@ import com.baomidou.mybatisplus.core.conditions.Wrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.despisctionsystem.code4.Mapper.UsersMapper;
 import lombok.Data;
-import org.apache.catalina.User;
 
 import java.io.Serializable;
 import java.util.Collection;
@@ -234,7 +233,12 @@ public class Users implements UsersMapper {
     }
 
     @Override
-    public void getUserPass() {
+    public String getUserPass() {
 
+        return null;
+    }
+
+    public String getUserName() {
+        return userName;
     }
 }
diff --git a/src/main/java/com/despisctionsystem/code4/Service/Impl/UsersImpl.java b/src/main/java/com/despisctionsystem/code4/Service/Impl/UsersImpl.java
index b6a826b..cf169f1 100644
--- a/src/main/java/com/despisctionsystem/code4/Service/Impl/UsersImpl.java
+++ b/src/main/java/com/despisctionsystem/code4/Service/Impl/UsersImpl.java
@@ -59,4 +59,8 @@ public class UsersImpl extends Users {
     }
 
 
+    @Override
+    public boolean exists(Wrapper<Users> queryWrapper) {
+        return super.exists(queryWrapper);
+    }
 }