id, mn_code, lst, online_risk, valid_risk, exceed_risk, exception_type_aggregation, typical_exception_repetition_rate, type select b.name,a.* from du_js_t_risk_value as a left join ja_t_dust_site_info as b on a.mn_code = b.mn_code a.mn_code = #{mnCode} and a.lst = #{month} and a.type = #{type}