string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%BA%E6%98%AF%E4%B8%8D%E6%98%AF%E8%A6%81%E8%84%B8%E7%9A%AE%E5%8E%9A%E7%82%B9%E6%89%8D%E5%A5%BD => Failed to connect to 14.18.117.71 port 38164: Connection refused"
人是不是要脸皮厚点才好
