求救!!mybatis Expected one result (or null) to be returned by selectOne() but foun

我想使用resultMap 一对多查询 可是提示 Expected one result (or null) to be returned by selectOne(), but found:18 下面展示一些 mapper.xml。 SELECT st.title as titlest ,st.info_text as info_text , sbt.title as titlesbt,sbt.icon as icon, sbx.text as text FROM `services_title` AS st