Update Readme.md
diff --git a/docs/release/Readme.md b/docs/release/Readme.md
index f395a18..cb22873 100644
--- a/docs/release/Readme.md
+++ b/docs/release/Readme.md
@@ -2,6 +2,7 @@
 
 #### Release Notes
 
+- [Service-Center-2.2.0 Release Notes](releaseNotes-2.2.0.md)
 - [Service-Center-2.1.0 Release Notes](releaseNotes-2.1.0.md)
 - [Service-Center-2.0.0 Release Notes](releaseNotes-2.0.0.md)
 - [Service-Center-1.1.0 Release Notes](releaseNotes-1.1.0.md)
@@ -190,4 +191,4 @@
 > 
 > apache-servicecomb-service-center-x.x.x-linux-amd64.tar.gz
 > 
-> apache-servicecomb-service-center-x.x.x-windows-amd64.tar.gz
\ No newline at end of file
+> apache-servicecomb-service-center-x.x.x-windows-amd64.tar.gz