string(234) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ps%E4%B8%BB%E8%A6%81%E5%90%83cpu%E8%BF%98%E6%98%AF%E6%98%BE%E5%8D%A1 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
ps主要吃cpu还是显卡
