string(227) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%AE%B6%E9%87%8Cwi-fi%E8%B6%8A%E6%9D%A5%E8%B6%8A%E6%85%A2 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
家里wi-fi越来越慢
