diff --git a/muyu-modules/muyu-system/src/main/resources/mapper/system/SysUserMapper.xml b/muyu-modules/muyu-system/src/main/resources/mapper/system/SysUserMapper.xml
index 53be435..6f633b7 100644
--- a/muyu-modules/muyu-system/src/main/resources/mapper/system/SysUserMapper.xml
+++ b/muyu-modules/muyu-system/src/main/resources/mapper/system/SysUserMapper.xml
@@ -152,7 +152,7 @@
 
     <select id="selectUserByUserName" parameterType="String" resultMap="SysUserResult">
         <include refid="selectUserVo"/>
-        where u.user_name or u.email = #{userName} and u.del_flag = '0'
+        where u.user_name = #{userName} and u.del_flag = '0'
     </select>
 
     <select id="selectUserById" parameterType="Long" resultMap="SysUserResult">