diff --git a/docs/en/core/m5paper.md b/docs/en/core/m5paper.md
index 893aa791..63f4d7dd 100644
--- a/docs/en/core/m5paper.md
+++ b/docs/en/core/m5paper.md
@@ -234,7 +234,7 @@ For more info on specific pin functions refer to the official ESP32 Docs[ESP32 d
 
 -  **API**
 
-   - [Arduino API](en/arduino/arduino_home_page?id=m5paper)
+   - [Arduino API](en/arduino/arduino_home_page?id=m5paper_api)
 
 ## Example
 
diff --git a/docs/en/quick_start/m5paper/quick_start_arduino.md b/docs/en/quick_start/m5paper/quick_start_arduino.md
index fb87e140..4e8484af 100644
--- a/docs/en/quick_start/m5paper/quick_start_arduino.md
+++ b/docs/en/quick_start/m5paper/quick_start_arduino.md
@@ -88,7 +88,7 @@
 
 -  **API**
 
-   - [Arduino API](zh_CN/arduino/arduino_home_page?id=m5paper)
+   - [Arduino API](en/arduino/arduino_home_page?id=m5paper_api)
 
 
 <script>
diff --git a/docs/zh_CN/core/m5paper.md b/docs/zh_CN/core/m5paper.md
index 456b1d78..8c49cf99 100644
--- a/docs/zh_CN/core/m5paper.md
+++ b/docs/zh_CN/core/m5paper.md
@@ -234,7 +234,7 @@
 
 - **API** 
 
-   - [Arduino API](zh_CN/arduino/arduino_home_page?id=m5paper)
+   - [Arduino API](zh_CN/arduino/arduino_home_page?id=m5paper_api)
 
 ## Example
 
diff --git a/docs/zh_CN/mpy_api/unit.md b/docs/zh_CN/mpy_api/unit.md
new file mode 100644
index 00000000..a21126b6
--- /dev/null
+++ b/docs/zh_CN/mpy_api/unit.md
@@ -0,0 +1,21 @@
+# unit
+
+```
+def get(unit, port, *arg)
+
+```
+
+引入模块
+
+```
+unit.get(unit.JOYSTICK, unit.PORTA)
+```
+
+卸载模块
+```
+unit.deinit()
+```
+
+## ADC Unit
+
+
diff --git a/docs/zh_CN/quick_start/m5paper/quick_start_arduino.md b/docs/zh_CN/quick_start/m5paper/quick_start_arduino.md
index bf03043f..a34a7d94 100644
--- a/docs/zh_CN/quick_start/m5paper/quick_start_arduino.md
+++ b/docs/zh_CN/quick_start/m5paper/quick_start_arduino.md
@@ -88,8 +88,7 @@
 
 -  **API**
 
-   - [Arduino API](zh_CN/arduino/arduino_home_page?id=m5paper)
-
+   - [Arduino API](zh_CN/arduino/arduino_home_page?id=m5paper_api)
 
 <script>