string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%83%B3%E7%9D%A1%E8%A7%89%E4%BD%86%E6%98%AF%E8%84%91%E5%AD%90%E6%B8%85%E9%86%92%E7%9D%A1%E4%B8%8D%E8%A7%89 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
想睡觉但是脑子清醒睡不觉
