update zh-cn/application-dev/reference/apis/js-apis-image.md.

Signed-off-by: N冯泽悟 <fengzewu@huawei.com>

zh-cn/application-dev/reference/apis/js-apis-image.md

@@ -2127,26 +2127,25 @@ queueImage(interface: Image, callback: AsyncCallback\<void>): void
 **示例：**
 
 ```js
-var creator = image.createImageCreator(WIDTH, HEIGHT, FORMAT, CAPACITY);
-var img = await creator.dequeueImage();
-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
-}
-creator.queueImage(img, (err) => {
-    if (err) {
-        console.info('queueImage failed: ' + err);
+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
     }
-    console.info('queueImage succeeded');
+    creator.queueImage(img, (err) => {
+        if (err) {
+            console.info('queueImage failed: ' + err);
+        }
+        console.info('queueImage succeeded');
+    })
 })
 
-
 ```
 
 ### queueImage<sup>9+</sup>
@@ -2172,22 +2171,22 @@ queueImage(interface: Image): Promise\<void>
 **示例：**
 
 ```js
-var creator = image.createImageCreator(8192, 8, 4, 8);
-var img = await creator.dequeueImage();
-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
-}
-creator.queueImage(img).then(() => {
-    console.info('queueImage succeeded.');
-}).catch(error => {
-    console.info('queueImage failed: ' + error);
+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
+    }
+    creator.queueImage(img).then(() => {
+        console.info('queueImage succeeded.');
+    }).catch(error => {
+        console.info('queueImage failed: ' + error);
+    })
 })
 
 ```