string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%BA%E7%9A%84%E8%84%B8%E7%9A%AE%E8%A6%81%E5%8E%9A%E8%BF%98%E6%98%AF%E8%96%84%E5%A5%BD => Failed to connect to 101.89.143.195 port 38109: Connection refused"
人的脸皮要厚还是薄好
