string(252) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BC%80%E6%9C%BA%E4%B9%8B%E5%90%8Ecpu%E5%8D%A0%E7%94%A8%E7%89%B9%E5%88%AB%E9%AB%98 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
开机之后cpu占用特别高
