add kie docs to navigation
diff --git a/_data/navigation.yml b/_data/navigation.yml
index 39a4c63..d4f399a 100755
--- a/_data/navigation.yml
+++ b/_data/navigation.yml
@@ -82,6 +82,11 @@
         children:
           - title: ServiceCenter User Guide
             url: https://docs.servicecomb.io/service-center/en_US/index.html
+
+      - title: Kie
+        children:
+          - title: Kie User Guide
+            url: /docs/kie/0.1.0/index.html
     developers:
       - title: "Projects"
         url: /developers/