string(280) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%AC%94%E8%AE%B0%E6%9C%AC%E4%B9%B0%E9%94%90%E9%BE%99%E8%BF%98%E6%98%AF%E9%85%B7%E7%9D%BF%E9%94%90%E9%BE%99r77840 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
笔记本买锐龙还是酷睿锐龙r77840
