string(260) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%88%9B%E4%B8%9A%E6%9D%BF%E7%9A%84%E6%97%A5%E5%9D%8710%E4%B8%87%E6%98%AF%E4%BB%80%E4%B9%88 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
创业板的日均10万是什么
