Mybatis一对多分页查询 条数不对

 <resultMap id="articleResultMap" type="com.hq.advert.web.article.vo.ArticleMappingVo">
        <id column="article_id" property="articleId"/>
        <result column="article_title" property="articleTitle"/>
        <result property="articleAuther" column="article_auther"/>
        <result property="articleContent" column="article_content"/>
        <result property="articleCreateTime" column="article_create_time"/>
        <result property="articleDealerId" column="article_dealer_id"/>
        <result property="articleLalbel" column="article_lalbel"/>
        <result property="articleIssueTime" column="article_issue_time"/>
        <result property="articlePageViews" column="article_page_views"/>
        <result property="articleStatus" column="article_status"/>
        <result property="articleModifyTime" column="article_modify_time"/>
        <result property="articleChannelPageViews" column="article_channel_page_views"/>
        <association property="businessVo" column="article_id"
                     javaType="com.hq.advert.web.article.vo.ArticleBusinessMappingVo"
                     select="com.hq.advert.mapper.BusinessArticleMapper.selectByArticleId"
        >
        </association>
        <collection property="channelVo" ofType="com.hq.advert.web.article.vo.ArticleChannelMappingVo"
                    column="articleId">
            <id property="id" column="id"/>
            <result property="channelId" column="channel_id"/>
            <result property="channelPageViews" column="channel_page_views"/>
            <association property="articleChannelVo" column="channel_id"
                         javaType="com.hq.advert.web.article.vo.ArticleChannelChangnelMappingVo"
                         select="com.hq.advert.mapper.ChannelVoMapper.selectChannelById"/>
        </collection>
    </resultMap>