string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%B7%9F%E5%A5%B3%E6%9C%8B%E5%8F%8B%E8%AF%B4%E7%9A%84%E8%AF%9D%E9%95%BF%E7%AF%87 => Failed to connect to 14.116.215.7 port 38230: Connection refused"
跟女朋友说的话长篇
