string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BD%95%E8%A7%86%E9%A2%91%E7%94%A8%E5%93%AA%E4%B8%AAapp%E5%A5%BD%E7%94%A8 => Failed to connect to 14.18.46.51 port 38044: Connection refused"
录视频用哪个app好用
