Merge pull request #39 from VNOC/Sum_Branch

Sum branch
Merge pull request #40 from VNOC/Sum_Branch

修改服务端断言
修改服务端断言
Merge branch 'master' of https://github.com/VNOC/vnoc into Sum_Branch
Merge pull request #41 from VNOC/Sum_Branch

Sum branch
修改遗漏断言
Merge branch 'master' of https://github.com/VNOC/vnoc into Sum_Branch
修改断言错误
Merge pull request #42 from VNOC/Sum_Branch

Sum branch
Test Entry classroom message completely
Merge pull request #43 from vnoc-YeZi/master

早搞定了消息
deal with conflication