From 0fe886b41aa4129379dc71af0eecb7b6460e06ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=91=9B=E4=BA=9A=E8=8A=B3?= <geyafang@huawei.com>
Date: Wed, 8 Jun 2022 11:46:04 +0000
Subject: [PATCH] update
 zh-cn/application-dev/reference/apis/js-apis-webgl2.md. Signed-off-by:
 @ge-yafang <geyafang@huawei.com>

---
 zh-cn/application-dev/reference/apis/js-apis-webgl2.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/zh-cn/application-dev/reference/apis/js-apis-webgl2.md b/zh-cn/application-dev/reference/apis/js-apis-webgl2.md
index aca7ad62d3..413090964f 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-webgl2.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-webgl2.md
@@ -12,7 +12,8 @@ WebGL标准图形API，对应OpenGL ES 3.0特性集。更多信息请参考[WebG
 hml内创建canvas，示例如下：
 
 
-```
+```html
+<!--xxx.hml-->
 <div class="container">
     <canvas ref="canvas1" style="width : 400px; height : 200px; background-color : lightyellow;"></canvas>
     <button class="btn-button" onclick="BtnDraw2D">BtnDraw2D</button>
-- 
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