修改注册时，求职者对应后端的角色

ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml

@@ -132,7 +132,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 	
 	<select id="selectUserByUserName" parameterType="String" resultMap="SysUserResult">
 	    <include refid="selectUserVo"/>
-		where u.user_name = #{userName} and u.del_flag = '0'
+		where u.user_name = #{userName} and u.del_flag = '0' order by create_time desc LIMIT 1
 	</select>
 	
 	<select id="selectUserById" parameterType="Long" resultMap="SysUserResult">