There is no getter for property named 'ssfl' in 'class java.lang.String' 这种错误改正

There is no getter for property named ‘ssfl’ in ‘class java.lang.String’
这种错误改正： 加入@Param(value=“ssfl”)
public interface Xt_jsxxlxxxbDao {

List<Map<String, Object>> selectZixuanxx(@Param(value="ssfl")String ssfl);

}
mybatis

SELECT a.*,b.xxbs AS ss_xx_mc,c.flmc FROM dzxsz_xxjrcglxxk.xt_jsxxfyxxb a,dzxsz_xxjrcglxxk.xt_jsxxlxxxb b,
dzxsz_xxjrcglxxk.xt_jsxxlxxxflb c WHERE <![CDATA[ a.bh <> '-1' ]]>
AND a.ssxx=b.bh AND b.ssfl=c.bh

and b.ssfl=#{ssfl}