diff --git a/docs/root/intro/arch_overview/security/security.rst b/docs/root/intro/arch_overview/security/security.rst
index 7de6c7ef82d2..e8fd3873d226 100644
--- a/docs/root/intro/arch_overview/security/security.rst
+++ b/docs/root/intro/arch_overview/security/security.rst
@@ -1,4 +1,4 @@
-Security
+安全
 ========
 
 .. toctree::