string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A4%96%E5%8D%96%E6%98%AF%E4%B8%8D%E6%98%AF%E9%83%BD%E5%BE%88%E8%84%8F => Failed to connect to 101.89.117.144 port 38022: Connection refused"
外卖是不是都很脏
