Merge branch 'master' of https://github.com/zpublic/zpublic into sum_base
Merge branch 'master' of https://github.com/zpublic/zpublic into sum_base
Merge branch 'master' of https://github.com/zpublic/zpublic into sum_base
+添加disk功能 以及单元测试
Merge pull request #85 from zpublic/sum_base

Sum base