diff --git a/docs/en/core_concepts/Clients/app.md b/docs/en/core_concepts/Clients/app.md
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## App Installation
The QR code for downloading the app is as follows:
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- Currently, only Android phones are supported for download and use, but iOS support is coming soon.
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### 1. APP Home Page
After opening the APP, the guide page will be displayed as shown in the figure below:
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The APP home page includes Mobile, Glasses, and Connection Settings as shown below:
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#### 1.1 Connection Settings
The app automatically searches for and connects to the environment IP running on the local network. If the connection is successful, a toast message will display: "Connection Successful". If the connection fails, a toast message will display: "Service connection failure".
- Click the "Connection Settings" button at the bottom of the homepage to enter the app configuration page, as shown in the figure below;
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- Enter the correct IP in the IP input box and click the "Connection" button at the bottom. After a successful connection, return to the homepage and click the "Mobile" section to enter the Mobile page.
- Note: The IP input box displays the last successfully connected IP address by default.
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##### 2.2.1 Album
Click Album to enter the gallery page, loading 80 images at a time, as shown below:
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- Click Reindex, if indexing is successful, the page will prompt success, indicating that all images in the gallery have been successfully indexed. If it fails, it will prompt: failure. After selecting images, click Reindex to index only the selected images.
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- Click on an image to enlarge and preview it, as shown below; supports left and right sliding and deletion. The top displays the image page number, which can be clicked to return to the gallery.
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- Click the top left return button on the gallery page , the return button returns to the Mobile page, and the settings window is still displayed.
##### 2.2.2 Chat History
Click Chat history to enter the history dialogue page, displaying all dialogue content, as shown below; click Delete all to confirm the operation and clear the history dialogue.
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History dialogue display rules:
- Different Workflow dialogues are displayed separated by time, supporting up and down sliding.
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- The progress menu within a single Workflow supports clicking to expand, as shown below:
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- Share: Click the share button under the Workflow dialogue, the share function is displayed at the bottom of the page, as shown below: sharing can be done as needed.
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##### 2.2.3 Multi-turn Dialogue
Click Multi-turn dialogue to display the multi-turn dialogue dropdown menu, default is 1 turn, up to 10 turns can be set, as shown below:
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##### 2.2.4 Workflow Settings
Click Workflow Settings to enter the Workflow list selection page, as shown below:
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In the list, you can click to select the required Workflow, only single selection is supported. After selection, a checkmark  icon is displayed. Click the refresh button  to refresh the list.
##### 2.2.5 Parameter Settings
Click Parameter Settings to enter the custom parameter settings page, as shown below:
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Click +Add parameter, the page displays Parameter name\value input boxes, as shown below; the input boxes support deletion, and the input box can add up to 20. After adding 20, there is no +Add parameter button. Click SAVE to save successfully (the input box content can be empty to save successfully).
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#### 2.3 Global Voice
 Default is on, click to turn off, click to switch to on prompt: Voice auto-play is on, switch to off prompt: Voice auto-play is off.
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#### 2.5 Voice Dialogue
Long press the voice button to trigger the voice recognition function, long press to speak and then release, the page displays the dialogue section, as shown below:
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Note: When the model reply content has images, click the image to enlarge and preview.
##### 2.5.1 Expand
 Click the expand button to display the entire dialogue section, as shown below:
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Click the collapse button at the top of the image  to collapse the dialogue.
##### 2.5.2 Workflow
 is the Workflow name of the current dialogue. Click the button on the right  to display the Workflow progress, as shown below:
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The progress menu supports expanding and collapsing.
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Supports selecting different colors for brush annotation on the real-time camera preview page; click the eraser  to remove all brush annotations; click the brush button  to turn off the brush function (brush marks are displayed on the dialogue images using the brush in the history dialogue page).