string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E4%B8%93%E9%80%89%E9%94%99%E4%B8%93%E4%B8%9A%E6%98%AF%E8%80%97%E7%9D%80%E8%BF%98%E6%98%AF%E6%8D%A2%E4%B8%93%E4%B8%9A => Failed to connect to 125.88.227.171 port 38114: Connection refused"
中专选错专业是耗着还是换专业
