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%E5%93%AA%E4%B8%AA%E4%BC%A4%E7%9C%BC%E7%9D%9B%E6%9B%B4%E4%B8%A5%E9%87%8D => Failed to connect to 101.89.143.195 port 38205: Connection refused"
投影和液晶哪个伤眼睛更严重
