string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%84%B8%E7%9A%AE%E5%8E%9A%E7%9A%84%E6%80%8E%E4%B9%88%E5%AF%B9%E4%BB%98 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
脸皮厚的怎么对付
