From 3be2d32d6f365a53e46257675d888000909e919c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=86=AF=E6=B3=BD=E6=82=9F?= <fengzewu@huawei.com>
Date: Fri, 2 Dec 2022 03:31:52 +0000
Subject: [PATCH] update zh-cn/application-dev/reference/apis/js-apis-image.md.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: 冯泽悟 <fengzewu@huawei.com>
---
 .../reference/apis/js-apis-image.md           | 36 +++++++++----------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/zh-cn/application-dev/reference/apis/js-apis-image.md b/zh-cn/application-dev/reference/apis/js-apis-image.md
index c2da9e59ad..9d044e3774 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-image.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-image.md
@@ -2128,16 +2128,16 @@ queueImage(interface: Image, callback: AsyncCallback\<void>): void
 
 ```js
 creator.dequeueImage().then(img => {
-    const JPEG = 4;
-    var component = await img.getComponent(JPEG);
     //绘制图片
-    var bufferArr = new Uint8Array(component.byteBuffer);
-    for (var i = 0; i < bufferArr.length; i += 4) {
-        bufferArr[i] = 0; //B
-        bufferArr[i + 1] = 0; //G
-        bufferArr[i + 2] = 255; //R
-        bufferArr[i + 3] = 255; //A
-    }
+    img.getComponent(4).then(component => {
+        var bufferArr = new Uint8Array(component.byteBuffer);
+        for (var i = 0; i < bufferArr.length; i += 4) {
+            bufferArr[i] = 0; //B
+            bufferArr[i + 1] = 0; //G
+            bufferArr[i + 2] = 255; //R
+            bufferArr[i + 3] = 255; //A
+        }
+    })
     creator.queueImage(img, (err) => {
         if (err) {
             console.info('queueImage failed: ' + err);
@@ -2172,16 +2172,16 @@ queueImage(interface: Image): Promise\<void>
 
 ```js
 creator.dequeueImage().then(img => {
-    const JPEG = 4;
-    var component = await img.getComponent(JPEG);
     //绘制图片
-    var bufferArr = new Uint8Array(component.byteBuffer);
-    for (var i = 0; i < bufferArr.length; i += 4) {
-        bufferArr[i] = 0; //B
-        bufferArr[i + 1] = 0; //G
-        bufferArr[i + 2] = 255; //R
-        bufferArr[i + 3] = 255; //A
-    }
+    img.getComponent(4).then(component => {
+        var bufferArr = new Uint8Array(component.byteBuffer);
+        for (var i = 0; i < bufferArr.length; i += 4) {
+            bufferArr[i] = 0; //B
+            bufferArr[i + 1] = 0; //G
+            bufferArr[i + 2] = 255; //R
+            bufferArr[i + 3] = 255; //A
+        }
+    })
     creator.queueImage(img).then(() => {
         console.info('queueImage succeeded.');
     }).catch(error => {
-- 
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