update en/application-dev/quick-start/start-with-js-low-code.md.

Signed-off-by: N@ge-yafang <geyafang@huawei.com>

en/application-dev/quick-start/start-with-js-low-code.md

@@ -23,6 +23,7 @@ You can develop applications or services in the low-code approach using either o
 > This feature is available in DevEco Studio 3.0 Beta2 and later versions and works with compileSdkVersion 7 or later.
 
 1. Open DevEco Studio, choose **File** > **New** > **Create Project**, select **Empty Ability**, and click **Next**.
+
    ![en-us_image_0000001268198893](figures/en-us_image_0000001268198893.png)
 2. Go to the project configuration page, select **Enable Super Visual**, set **UI Syntax** to **JS**, and retain the default values for other parameters.
 
@@ -70,6 +71,7 @@ Add **Div**, **Text**, and **Button** components to the first page.
    ![en-us_image_0000001260928361](figures/en-us_image_0000001260928361.gif)
 
 5. On the toolbar in the upper right corner of the editing window, click **Previewer** to open the Previewer. Below is how the first page looks on the Previewer.
+
    ![en-us_image_0000001216288558](figures/en-us_image_0000001216288558.png)
 
 
@@ -140,6 +142,7 @@ You can implement page redirection through the [page router](../ui/ui-js-buildin
      ![en-us_image_0000001268082945](figures/en-us_image_0000001268082945.png)
 
 3. Open the **index.visual** or **index.js** file and click ![en-us_image_0000001261979271](figures/en-us_image_0000001261979271.png) in the Previewer to refresh the file. The figure below shows the effect.
+
    ![en-us_image_0000001261142799](figures/en-us_image_0000001261142799.png)
 
 
@@ -148,9 +151,11 @@ You can implement page redirection through the [page router](../ui/ui-js-buildin
 1. Connect the development board running the OpenHarmony standard system to the computer.
 
 2. Choose **File** > **Project Structure** > **Project** > **Signing Configs**, select **Automatically generate signing**, wait until the automatic signing is complete, and click **OK**, as shown below.
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    ![en-us_image_0000001268283201](figures/en-us_image_0000001268283201.png)
 
 3. On the toolbar in the upper right corner of the editing window, click ![en-us_image_0000001262207811](figures/en-us_image_0000001262207811.png). The display effect is shown in the figure below.
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    ![en-us_image_0000001262127855](figures/en-us_image_0000001262127855.png)
 
 Congratulations! You have finished developing your OpenHarmony app in JavaScript in the low-code approach. To learn more about OpenHarmony, see [OpenHarmony Overview](../application-dev-guide.md)