'1'

twzd-service/src/main/resources/mapper/qustion/QuestionInfoMapper.xml

@@ -337,7 +337,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
               ${sortName} as sort,
              question_type  FROM question_info WHERE  ${issueTypeParmName}  = #{issueValue} and subject =#{subject} and lice_car = 1
              <if test="issue != null  and issue != ''"> and issue like concat('%', #{issue}, '%')</if>
-             order by ${sortName} is null
+             order by  IFNULL(${sortName},'a')
     </select>
 
     <select id="updateSortById"  >