diff --git a/_Sidebar.md b/_Sidebar.md
index 0f620b4..0030f25 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -12,6 +12,8 @@
   * [[ClientExample]]
   * [[ClientAPI]]
   * [[ClientAdapter]]
+    * [[Sync HBase]]
+    * [[Sync RDB]]
 * [[AdminGuide]]
 * [[Performance]]
 * [[DevGuide]]