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%E5%87%86%E5%A4%87%E5%A4%9A%E4%B9%85 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
注会考试准备多久
