string(315) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B1%BD%E8%BD%A6%E7%A9%BA%E8%B0%83%E6%9C%89%E6%97%B6%E5%80%99%E4%B8%8D%E5%B7%A5%E4%BD%9C%2C%E5%B7%A5%E4%BD%9C%E4%BA%86%E5%B0%B1%E6%AD%A3%E5%B8%B8 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
汽车空调有时候不工作,工作了就正常
