string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%B5%E8%A7%86%E7%9B%92%E5%AD%904k%E5%92%8C1080p%E5%8C%BA%E5%88%AB => Failed to connect to 101.89.159.206 port 38100: Connection refused"
电视盒子4k和1080p区别
