string(328) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8A%A0%E5%BE%AE%E4%BF%A1%E7%AC%AC%E4%B8%80%E5%8F%A5%E8%AF%B4%E4%BB%80%E4%B9%88%E4%BC%9A%E8%AE%A9%E4%BA%BA%E8%A7%89%E5%BE%97%E5%BE%88%E5%93%87%E5%A1%9E%E5%91%A2 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
加微信第一句说什么会让人觉得很哇塞呢
