string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E5%AE%89%E4%BC%9A%E4%B8%8D%E4%BC%9A%E5%81%9C%E8%80%83 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
注安会不会停考
