add

en/docs/dev_doc/evb/a316_v71_game_v1/user_guide-en.md

@@ -29,7 +29,10 @@ Located at the top of the development board, can be connected to standard 3.5mm
         2. Blue light: Virtual 7.1 channel mode, first-time users may need to refer to [Setting PC Audio Output to 7.1 Channels](../../hifi_audio/a316_1926v1/used_en.md#4-select-the-required-channels-please-choose-according-to-your-actual-audio-environment-needs)<br>
         3. Light off: Normal 2.0 channel mode<br>
 
-        Long press to turn AI noise reduction on/off, indicated by green light. **Can be used simultaneously with short press, resulting in mixed color lights**.
+        Long press to turn AI noise reduction on/off:
+        
+        1. Shows green light
+        2. Can be used simultaneously with short press modes, showing red-green or blue-green mixed lights
 
 === "Left Button Area"
     - **Microphone One-touch Mute**
@@ -50,4 +53,13 @@ Located at the top of the development board, can be connected to standard 3.5mm
 
 | Tool Name | Tool Download |
 | --- | --- |
-| VLC Audio Testing Tool |[Official Download](https://www.videolan.org/vlc/index.html)<br> <a href="javascript:void(0);" onclick="checkLogin('/assets/download/tools_software/vlc-3.0.21-win64.exe')">Direct Download vlc-3.0.21-win64</a> | 
+| VLC Audio Testing Tool |[Official Download](https://www.videolan.org/vlc/index.html)<br> <a href="javascript:void(0);" onclick="checkLogin('/assets/download/tools_software/vlc-3.0.21-win64.exe')">Direct Download vlc-3.0.21-win64</a> |
+
+## Consultation and Feedback
+
+<details>
+<summary>Click to expand consultation feedback form</summary>
+
+--8<-- "common/customer_form.md"
+
+</details>