string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E6%88%98%E8%83%9C%E7%84%A6%E8%99%91%E7%97%87%E5%92%8C%E6%81%90%E6%83%A7%E7%97%87%E5%91%A2 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
如何战胜焦虑症和恐惧症呢
