string(243) "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%E5%A4%9A%E5%B0%91%E6%AD%A3%E5%B8%B8 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
开机cpu占用多少正常
