string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%95%86%E6%A0%87%E7%9A%84%E4%BD%9C%E7%94%A8%E5%92%8C%E6%84%8F%E4%B9%89 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
商标的作用和意义
