string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E4%BC%9A%E8%80%83%E8%AF%95%E6%97%B6%E9%97%B4%E9%A1%BA%E5%BA%8F => Failed to connect to 101.89.117.144 port 38022: Connection refused"
注会考试时间顺序
