string(357) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8F%B0%E9%A3%8E%E9%A2%84%E8%AD%A6%E4%BF%A1%E5%8F%B7%E6%8C%89%E7%85%A7%E7%81%BE%E5%AE%B3%E7%9A%84%E4%B8%A5%E9%87%8D%E6%80%A7%E5%92%8C%E7%B4%A7%E6%80%A5%E7%A8%8B%E5%BA%A6%E9%A2%9C%E8%89%B2 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
台风预警信号按照灾害的严重性和紧急程度颜色
