string(251) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ps%E5%AF%B9%E7%94%B5%E8%84%91%E9%85%8D%E7%BD%AE%E6%9C%89%E8%A6%81%E6%B1%82%E5%90%97 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
ps对电脑配置有要求吗
