diff --git a/_Sidebar.md b/_Sidebar.md
index 16ddbd3..99264e2 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -10,11 +10,11 @@
  * [[Canal prometheus]]
 * [[ClientExample]]
 * [[ClientAPI]]
-* [[DevGuide]]
-  * [[BinlogChange(Mysql5.6)]]
-  * [[BinlogChange(MariaDB)]]
-  * [[TableMetaTSDB]]
 * [[Performance]]
+* [[DevGuide]]
+* [[BinlogChange(Mysql5.6)]]
+* [[BinlogChange(MariaDB)]]
+* [[TableMetaTSDB]]
 * <a href="http://alibaba.github.com/canal/release.html">ReleaseNotes</a>
 * <a href="https://github.com/alibaba/canal/releases">Download</a>
 * [[FAQ]]
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