string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%BE%BE%E6%B1%9F%E6%B3%A8%E4%BC%9A%E8%AE%B2%E5%BE%97%E5%A5%BD%E5%90%97 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
达江注会讲得好吗
