From b21ef6921b3b725692165e2d27a6eee3d8ff2a16 Mon Sep 17 00:00:00 2001
From: liyan <liyan339@h-partners.com>
Date: Thu, 1 Jun 2023 09:55:33 +0000
Subject: [PATCH] update zh-cn/device-dev/reference/hdi-apis/_stack.md.
 Signed-off-by: li-yan339 <liyan339@h-partners.com>

Signed-off-by: liyan <liyan339@h-partners.com>
---
 zh-cn/device-dev/reference/hdi-apis/_stack.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/zh-cn/device-dev/reference/hdi-apis/_stack.md b/zh-cn/device-dev/reference/hdi-apis/_stack.md
index b932887dd8..32b7520c43 100644
--- a/zh-cn/device-dev/reference/hdi-apis/_stack.md
+++ b/zh-cn/device-dev/reference/hdi-apis/_stack.md
@@ -16,9 +16,13 @@
 - output，将输入的张量沿axis维度堆叠的输出，n+1维tensor，数据类型与精度和输入相同。
 
 **Since:**
+
 3.2
+
 **Version:**
+
 1.0
+
 **相关模块:**
 
 [NNRt](_n_n_rt.md)
@@ -44,4 +48,5 @@
 long Stack::axis
 ```
 **描述:**
+
 一个整数，指定tensor堆叠的维度。axis可以是负数，axis取值范围为[-(n+1)，(n+1))。
-- 
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