string(303) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%AF%B7%E9%97%AE%E5%BC%80%E9%80%9A%E5%88%9B%E4%B8%9A%E6%9D%BF%E9%9C%80%E8%A6%81%E7%9A%84%E6%9D%A1%E4%BB%B6%E6%9C%89%E5%93%AA%E4%BA%9B => Failed to connect to 101.89.166.210 port 38089: Connection refused"
请问开通创业板需要的条件有哪些
