From 5878818e60f5d8a795bfaf047858374139f7f8ee Mon Sep 17 00:00:00 2001
From: renhw001 <renhongwei9@huawei.com>
Date: Wed, 21 Jun 2023 09:30:47 +0000
Subject: [PATCH] update zh-cn/application-dev/media/image-decoding.md.

Signed-off-by: renhw001 <renhongwei9@huawei.com>
---
 zh-cn/application-dev/media/image-decoding.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/zh-cn/application-dev/media/image-decoding.md b/zh-cn/application-dev/media/image-decoding.md
index 01438f6115..19713ad864 100644
--- a/zh-cn/application-dev/media/image-decoding.md
+++ b/zh-cn/application-dev/media/image-decoding.md
@@ -144,3 +144,8 @@
    ```ts
    const pixelMap = await imageSource.createPixelMap();
    ```
+
+5. 释放pixelMap。
+   ```ts
+   pixelMap.release();
+   ```
-- 
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