string(312) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%88%9D%E4%BC%9A%E8%80%83%E8%AF%95%E4%B8%8D%E5%AE%9A%E9%A1%B9%E9%80%89%E6%8B%A9%E9%A2%98%E9%80%89%E4%B8%80%E4%B8%AA%E7%BB%99%E5%88%86%E5%90%97 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
初会考试不定项选择题选一个给分吗
