string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%BD%A6%E9%87%8C%E7%A9%BA%E8%B0%83ac%E4%B8%8D%E5%A5%BD%E4%BD%BF%E4%BA%86 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
车里空调ac不好使了
