From 559234845455e3147dce09db1051891798be2afb Mon Sep 17 00:00:00 2001
From: liyan <liyan339@h-partners.com>
Date: Thu, 1 Jun 2023 09:56:16 +0000
Subject: [PATCH] update zh-cn/device-dev/reference/hdi-apis/_sub_fusion.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/_sub_fusion.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/zh-cn/device-dev/reference/hdi-apis/_sub_fusion.md b/zh-cn/device-dev/reference/hdi-apis/_sub_fusion.md
index 16323cea7d..9c6c9f90e2 100644
--- a/zh-cn/device-dev/reference/hdi-apis/_sub_fusion.md
+++ b/zh-cn/device-dev/reference/hdi-apis/_sub_fusion.md
@@ -18,9 +18,13 @@
 - output，两个input相减的差。output的shape由x和y共同决定，x和y的shape相同时，output的shape和x、y相同； shape不同时，需要将x或y做broadcast操作后，相减得到output。output的精度为x和y中精度更高的决定。
 
 **Since:**
+
 3.2
+
 **Version:**
+
 1.0
+
 **相关模块:**
 
 [NNRt](_n_n_rt.md)
@@ -45,5 +49,6 @@
 ```
 enum ActivationType SubFusion::activationType
 ```
+
 **描述:**
 激活函数类型，详情请参考：[ActivationType](_n_n_rt.md#activationtype)。
-- 
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