元素内容必须由格式正确的字符数据或标记组成

原因：

mybatis里使用了 > 括号，这样写会报错

    <select id="answerList" parameterType="java.util.Map">
    	select tab1.id, tab1.content, tab1.app_id as appId, tab1.title, 
    	tab1.create_time as createTime, tab1.update_time as updateTime
    	from
			
    	<include refid="table_name">include> as tab1
    	LEFT JOIN <include refid="table_name_word">include> as tab2
			ON tb1.id != tab2.belong_id
			
      <trim prefix="WHERE" prefixOverrides="AND | OR">
	    	        
	      <if test="downloadCount != null and downloadCount != '' or downloadCount == 0">
	    		and tab1.download_count < #{downloadCount}
	    	if>
    select>

 <if test="downloadCount != null and downloadCount != '' or downloadCount == 0">
	    		and tab1.download_count < #{downloadCount}