string(282) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%84%8F%E8%AF%86%E5%BD%A2%E6%80%81%E5%B7%A5%E4%BD%9C%E4%B8%AD%E5%AD%98%E5%9C%A8%E7%AA%81%E5%87%BA%E9%97%AE%E9%A2%98 => Failed to connect to 14.18.46.51 port 38044: Connection refused"
意识形态工作中存在突出问题
