string(300) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E5%AE%89%E5%B8%88%E8%A6%81%E6%B1%82%E7%9A%84%E5%AD%A6%E5%8E%86%E5%BF%85%E9%A1%BB%E6%98%AF%E6%AF%95%E4%B8%9A%E7%9A%84%E5%90%97 => Failed to connect to 14.18.46.51 port 38206: Connection refused"
注安师要求的学历必须是毕业的吗
