string(285) "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%E5%92%8C%E6%B6%B2%E6%99%B6%E7%94%B5%E8%A7%86%E5%93%AA%E4%B8%AA%E6%B8%85%E6%99%B0%E5%BA%A6%E9%AB%98 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
投影和液晶电视哪个清晰度高
