add release guide to README.md
diff --git a/NOTICE b/NOTICE
index 7a95db5..e02ff73 100644
--- a/NOTICE
+++ b/NOTICE
@@ -2,5 +2,4 @@
 Copyright 2018-2020 The Apache Software Foundation
 
 This product includes software developed at
-The Apache Software Foundation (http://www.apache.org/).
-
+The Apache Software Foundation (http://www.apache.org/).
\ No newline at end of file
diff --git a/README.md b/README.md
index fe8a126..b7cde56 100644
--- a/README.md
+++ b/README.md
@@ -22,4 +22,13 @@
     <version>3.2.6</version>
 <dependency>
 ```
+## Reaease
+Deploy to maven repo:
+```shell script
+mvn clean deploy -Prelease
+```
+Apache source package:
+```shell script
+mvn clean install -Papache-release
+```