string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%95%99%E5%B8%88%E7%BB%93%E5%AF%B9%E5%B8%AE%E6%89%B6%E5%AD%A6%E7%94%9F%E4%B8%AA%E4%BA%BA%E6%80%BB%E7%BB%93 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
教师结对帮扶学生个人总结
