string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8A%95%E5%BD%B1%E4%BB%AA%E5%92%8C%E7%94%B5%E8%A7%86%E5%93%AA%E4%B8%AA%E6%9B%B4%E4%B8%8D%E6%8A%A4%E7%9C%BC => Failed to connect to 14.18.117.71 port 38164: Connection refused"
投影仪和电视哪个更不护眼
