diff --git a/doc/high-availability-guide/bk-ha-guide.xml b/doc/high-availability-guide/bk-ha-guide.xml
index 64271a3cb4..23147ea5b3 100644
--- a/doc/high-availability-guide/bk-ha-guide.xml
+++ b/doc/high-availability-guide/bk-ha-guide.xml
@@ -80,7 +80,6 @@
-