string(279) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%81%9C%E8%B7%AF%E8%BE%B9%E8%A2%AB%E5%88%AE%E6%93%A6%2C%E7%AC%AC%E4%BA%8C%E5%A4%A9%E6%89%8D%E5%8F%91%E7%8E%B0 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
停路边被刮擦,第二天才发现
