string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8D%96%E7%82%AD%E7%BF%81%E5%8E%9F%E6%96%87%E5%8F%8A%E7%BF%BB%E8%AF%91%E5%A4%A7%E6%84%8F => Failed to connect to 101.89.117.144 port 38005: Connection refused"
卖炭翁原文及翻译大意
