SELECT scan_flag, maintain_flag, maintain_info FROM `epdc_scan_switch` WHERE del_flag = '0' AND version_num = #{versionNum} ORDER BY updated_time DESC LIMIT 1
SELECT scan_flag, maintain_flag, maintain_info, platform FROM `epdc_scan_switch` WHERE del_flag = '0' AND version_num = #{versionNum} AND platform = #{platform} ORDER BY updated_time DESC LIMIT 1