Change the pic of HAS protocol flow.
diff --git a/README.md b/README.md
index 190a319..8efc23e 100644
--- a/README.md
+++ b/README.md
@@ -91,6 +91,8 @@
   - It is default Identity Backend, and no cofiguration is needed. This backend is for no permanent storage requirements.
 - JsonIdentityBackend.
   - It implemented by Gson which is used to convert Java Objects into their JSON representation and convert a JSON string to an equivalent Java object. A json file will be created in "backend.json.dir". This backend is for small, easy, development and test environment.
+- MySQLIdentityBackend.
+  - A backend based on MySQL.
 - ZookeeperIdentityBackend.
   - Currently it uses an embedded Zookeeper. In follow up it will be enhanced to support standalone Zookeeper cluster for
   replication and reliability. Zookeeper backend would be a good choice for high reliability, high performance and high scalability requirement and scenarios. 
@@ -179,9 +181,10 @@
 - Kerby Developers List: kerby@directory.apache.org [Subscribe](kerby-subscribe@directory.apache.org)
 
 ### Downloads
-- [Release 1.1.0](https://directory.apache.org/kerby/download/download-sources.html)
+- [Release 1.1.1](https://directory.apache.org/kerby/download/download-sources.html)
 
 ### News
+- May 2018, Apache Kerby 1.1.1 is released.
 - November 2017, Apache Kerby 1.1.0 is released.
 - September 4th 2017, Apache Kerby 1.0.1 is released.
 - May 13th 2017, Apache Kerby 1.0.0 is released.
diff --git a/has-project/README.md b/has-project/README.md
index eab4b2a..a247495 100644
--- a/has-project/README.md
+++ b/has-project/README.md
@@ -12,7 +12,7 @@
 
 # Design
 Assuming existing users are stored in a SQL database (like MySQL), the detailed design and workflow may go like the following:
-![](https://github.com/apache/directory-kerby/blob/trunk/has-project/docs/has-design.png)
+![](https://github.com/apache/directory-kerby/blob/trunk/has-project/docs/has-protocol-flow.png)
 
 # New mechanism plugin API
 
diff --git a/has-project/docs/has-design.png b/has-project/docs/has-design.png
deleted file mode 100644
index 575c503..0000000
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diff --git a/has-project/docs/has-protocol-flow.png b/has-project/docs/has-protocol-flow.png
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