为啥我的<configuration>会包错

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<!--         配置全部-->
    <settings>
<!--        使用觉得不错的getGeneratedKeys获取数据自增主键值-->
            <setting name ="useGeneratedKeys" value ="true"/>
<!--         使用列表前替换列别名  默认：true-->
             <setting name = "useColumnlabel" value="true"/>
<!--        开启驼峰命名转换：Table{creat_time}->Entitu{createTime}-->
             <setting name ="mapUnderscoreCamelCase" value="true"/>
    </settings>>
</configuration>