string(348) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%96%B0%E5%AA%92%E4%BD%93%E6%97%B6%E4%BB%A3%E5%A6%82%E4%BD%95%E6%8F%90%E9%AB%98%E4%B8%AA%E4%BA%BA%E7%BB%BC%E5%90%88%E4%BC%A0%E6%92%AD%E7%B4%A0%E5%85%BB%E7%9A%84%E6%96%B9%E6%B3%95 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
新媒体时代如何提高个人综合传播素养的方法
