string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%96%AB%E6%83%85%E9%98%B2%E6%8E%A7%E6%9C%9F%E9%97%B4%E5%9C%A8%E9%94%99%E6%97%B6%E5%AE%89%E6%8E%92%E4%B8%8A%E5%AD%A6 => Failed to connect to 101.89.117.144 port 38076: Connection refused"
疫情防控期间在错时安排上学
