string(233) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BC%80%E6%9C%BAcpu%E5%8D%A0%E7%94%A8%E7%8E%87%E5%BE%88%E9%AB%98 => Failed to connect to 101.89.120.29 port 38104: Connection refused"
开机cpu占用率很高
