From 5abfff6b53718d35fe592361d3d40345f5148b26 Mon Sep 17 00:00:00 2001
From: wade zhang <95411902+gccgdb1234@users.noreply.github.com>
Date: Fri, 26 May 2023 19:30:34 +0800
Subject: [PATCH] Update 09-udf.md

---
 docs/zh/07-develop/09-udf.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/zh/07-develop/09-udf.md b/docs/zh/07-develop/09-udf.md
index cce9c0b24c..d964a2a1bd 100644
--- a/docs/zh/07-develop/09-udf.md
+++ b/docs/zh/07-develop/09-udf.md
@@ -871,7 +871,7 @@ pyl2norm 实现了输入列的所有数据的二阶范数，即对每个数据
 
 </details>
 
-### 聚合函数示例 [pycumsum](https://github.com/taosdata/TDengine/blob/3.0/tests/script/sh/pycumsum.py)
+#### 聚合函数示例 [pycumsum](https://github.com/taosdata/TDengine/blob/3.0/tests/script/sh/pycumsum.py)
 
 pycumsum 使用 numpy 计算输入列所有数据的累积和。
 <details>
-- 
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