Create README.md
Update README.md
Merge branch 'master' of https://github.com/xusleep/ServiceFramework2.git
Merge branch 'master' of https://github.com/xusleep/ServiceFramework2.git
Merge branch 'master' of https://github.com/xusleep/ServiceFramework2.git
 The configure management center could notify the client that the
service is not available #22