string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%AB%98%E5%BF%97%E8%B0%A6%E7%9A%84%E6%B3%A8%E4%BC%9A%E8%AE%B2%E7%9A%84%E6%80%8E%E4%B9%88%E6%A0%B7 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
高志谦的注会讲的怎么样
