diff --git a/docs/zh/06-advanced/06-TDgpt/05-anomaly-detection/03-data-density.md b/docs/zh/06-advanced/06-TDgpt/05-anomaly-detection/03-data-density.md
index fa275f9f85..f52c12b07e 100644
--- a/docs/zh/06-advanced/06-TDgpt/05-anomaly-detection/03-data-density.md
+++ b/docs/zh/06-advanced/06-TDgpt/05-anomaly-detection/03-data-density.md
@@ -1,6 +1,6 @@
 ---
-title: "检测算法"
-sidebar_label: "检测算法"
+title: "数据密度方法"
+sidebar_label: "数据密度方法"
 ---
 
 ### 基于数据密度的检测方法