Update 09-udf.md

2023-05-26 19:30:34 +08:00 · 2023-05-26 19:30:34 +08:00 · 5abfff6b53
parent 3b0cee7866
commit 5abfff6b53
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--- 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>