Add badge.svg (#487)

diff --git a/README.md b/README.md
index f76e032..572f772 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # Dubbo Official Website
 
+[![CI Status](https://github.com/apache/dubbo-website/workflows/CI/badge.svg?branch=master)](https://github.com/apache/dubbo-website/actions)
+
 This project keeps all sources used for building up dubbo official website which's served at https://dubbo.apache.org.