string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E7%BA%A7%E4%BC%9A%E8%AE%A1%E8%80%83%E8%BF%87%E7%9A%84%E7%BB%8F%E9%AA%8C%E5%88%86%E4%BA%AB => Failed to connect to 14.18.117.71 port 38069: Connection refused"
中级会计考过的经验分享
