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%BE%88%E5%8D%A1%2C%E5%A6%82%E4%BD%95%E6%B8%85%E7%90%86 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
电脑很卡,如何清理
