string(243) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%B5%E8%84%91%E5%BC%80%E6%9C%BAcpu%E5%8D%A0%E7%94%A8%E8%BF%87%E9%AB%98 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
电脑开机cpu占用过高
