使用sqlmap已经抛出数据库和数据表 使用--dump 无法获得字段内容

time-based comparison requires larger statistical model, please wait………………………… (done)
[17:34:38] [WARNING] it is very important to not stress the network connection during usage of time-based payloads to prevent potential disruptions
[17:34:40] [INFO] retrieved:
17:33:17] [CRITICAL] considerable lagging has been detected in connection response(s). Please use as high value for option ‘—time-sec’ as possible (e.g. 10 or more)
[17:33:17] [WARNING] it is very important to not stress the network connection during usage of time-based payloads to prevent potential disruptions
[17:33:19] [WARNING] in case of continuous data retrieval problems you are advised to try a switch ‘—no-cast’ or switch ‘—hex’
[17:34:40] [WARNING] unable to retrieve the number of column(s) ‘xxxxxa’ entries for table ‘xxxxxxx’ in database ‘xaxax’
[17:34:40] [INFO] fetched data logged to text files under ‘/root/.sqlmap/output/www.xxxxxx.com’
最后直接退出，在线求助大佬要怎么办？感谢。。。。。。