string(340) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B5%AE%E4%BA%91%E6%B8%B8%E5%AD%90%E6%84%8F%2C%E8%90%BD%E6%97%A5%E6%95%85%E4%BA%BA%E6%83%85%E8%BF%90%E7%94%A8%E4%BA%86%E4%BB%80%E4%B9%88%E4%BF%AE%E8%BE%9E%E6%89%8B%E6%B3%95 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
浮云游子意,落日故人情运用了什么修辞手法
