( CASE WHEN t2.data_type = '01' THEN 'api' WHEN t2.data_type = '02' THEN '数据包' END ) AS dataType,
( CASE WHEN t2.price_type = '01' THEN '免费' WHEN t2.price_type = '02' THEN '收费' END ) AS priceType,
( CASE WHEN t4.params_diff = '01' THEN '公共参数' WHEN t4.params_diff = '02' THEN '请求参数' WHEN t4.params_diff = '03' THEN '响应参数' WHEN t4.params_diff = '04' THEN '请求头参数' WHEN t4.params_diff = '05' THEN '状态码参数' end ) AS paramsDiff