string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%B5%E5%8A%A8%E5%89%83%E9%A1%BB%E5%88%80%E5%93%AA%E7%A7%8D%E6%9C%80%E5%B9%B2%E5%87%80 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
电动剃须刀哪种最干净
