diff --git a/docs/en/quick_start/faces/gameboy_burn_a_nes_game.md b/docs/en/quick_start/faces/gameboy_burn_a_nes_game.md
index 3bd3f86c..5958e1a2 100644
--- a/docs/en/quick_start/faces/gameboy_burn_a_nes_game.md
+++ b/docs/en/quick_start/faces/gameboy_burn_a_nes_game.md
@@ -12,7 +12,7 @@ Gameboy simulator, firmware, download address： [Github](https://github.com/m5s
 
 ### Windows OS
 
-[Click here to download ESPTool](https://www.espressif.com/sites/default/files/tools/flash_download_tools_v3.6.8_0.zip), after starting the tool, select the `ESP32 DownloadTool` option and import The two files bin file in the `firmware` folder, and set their corresponding burning address (firmware.bin: 0x1000, BladeBuster.nes), refer to the following figure to configure the port and baud rate of the device connection, click" Start "to start burning.
+[Click here to download ESPTool](https://www.espressif.com/sites/default/files/tools/flash_download_tools_v3.6.8_0.zip), after starting the tool, select the `ESP32 DownloadTool` option and import The two files bin file in the `firmware` folder, and set their corresponding burning address (firmware.bin: 0x1000, BladeBuster.nes:0x100000), refer to the following figure to configure the port and baud rate of the device connection, click" Start "to start burning.
 
 <img src="assets\img\getting_started_pics\faces\esptool_burn_game.webp">
 
diff --git a/docs/en/unit/finger.md b/docs/en/unit/finger.md
index 07ac8541..fc3c4e28 100644
--- a/docs/en/unit/finger.md
+++ b/docs/en/unit/finger.md
@@ -87,7 +87,7 @@ UART settings:
         <a>
             <svg id="play-btn" t="1583228776634" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="4152" width="75" height="75"><path d="M512 0C229.216 0 0 229.216 0 512s229.216 512 512 512 512-229.216 512-512S794.784 0 512 0z m0 928C282.24 928 96 741.76 96 512S282.24 96 512 96s416 186.24 416 416-186.24 416-416 416zM384 288l384 224-384 224z" p-id="4153" fill="#007aff"></path></svg></a>
             <p>Description:</p>
-            <p>IR sends a signal and if the remote control signal is received, the screen displays detected.</p>
+            <p>FINGER UNIT use case: Press the left button to enter the fingerprint input mode. Press the middle button to enter the fingerprint identification mode.</p>
         </div>
     </div>
 </div>
diff --git a/docs/zh_CN/quick_start/faces/gameboy_burn_a_nes_game.md b/docs/zh_CN/quick_start/faces/gameboy_burn_a_nes_game.md
index 05321098..c78419b5 100644
--- a/docs/zh_CN/quick_start/faces/gameboy_burn_a_nes_game.md
+++ b/docs/zh_CN/quick_start/faces/gameboy_burn_a_nes_game.md
@@ -12,7 +12,7 @@ Gameboy 模拟器,固件，下载地址：[Github](https://github.com/m5stack/M5
 
 ### Windows OS
 
-[点击此处下载ESPTool烧录工具](https://www.espressif.com/sites/default/files/tools/flash_download_tools_v3.6.8_0.zip)，在启动工具后，选择 `ESP32 DownloadTool` 选项，导入`firmware`文件夹中的解的2个文件bin文件，并设置其对应的烧录地址(firmware.bin:0x1000 , BladeBuster.nes), 参考下图配置设备连接的端口与波特率，点击"Start"开始烧录。
+[点击此处下载ESPTool烧录工具](https://www.espressif.com/sites/default/files/tools/flash_download_tools_v3.6.8_0.zip)，在启动工具后，选择 `ESP32 DownloadTool` 选项，导入`firmware`文件夹中的解的2个文件bin文件，并设置其对应的烧录地址(firmware.bin:0x1000 , BladeBuster.nes:0x100000), 参考下图配置设备连接的端口与波特率，点击"Start"开始烧录。
 
 <img src="assets\img\getting_started_pics\faces\esptool_burn_game.webp">
 
diff --git a/docs/zh_CN/unit/finger.md b/docs/zh_CN/unit/finger.md
index 92ca753e..3a7c062a 100644
--- a/docs/zh_CN/unit/finger.md
+++ b/docs/zh_CN/unit/finger.md
@@ -102,7 +102,7 @@ UART 参数设置:
         <a>
             <svg id="play-btn" t="1583228776634" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="4152" width="75" height="75"><path d="M512 0C229.216 0 0 229.216 0 512s229.216 512 512 512 512-229.216 512-512S794.784 0 512 0z m0 928C282.24 928 96 741.76 96 512S282.24 96 512 96s416 186.24 416 416-186.24 416-416 416zM384 288l384 224-384 224z" p-id="4153" fill="#007aff"></path></svg></a>
             <p>案例描述:</p>
-            <p>IR发送信号同时如果接受到遥控器信号屏幕显示detected.</p>
+            <p>FINGER UNIT使用案例：按下左侧按键进入录入指纹模式. 按下中间按键进入指纹识别模式.</p>
         </div>
     </div>
 </div>