diff --git a/en-us/api/QuecPythonClasslib.md b/en-us/api/QuecPythonClasslib.md
index 1570d2e..96f835a 100644
--- a/en-us/api/QuecPythonClasslib.md
+++ b/en-us/api/QuecPythonClasslib.md
@@ -6405,7 +6405,7 @@ Class function: A two-wire protocol used for communication between devices.
 
 | Parameter | Type | Description                                                  |
 | --------- | ---- | ------------------------------------------------------------ |
-| I2Cn      | int  | I2C channel index number:<br />I2C.I2C0 : 0  <br />I2C.I2C0 : 1 |
+| I2Cn      | int  | I2C channel index number:<br />I2C.I2C0 : 0  <br />I2C.I2C1 : 1 |
 | MODE      | int  | I2C working mode:<br />I2C.STANDARD_MODE : 0 Standard mode<br />I2C.FAST_MODE ： 1 Fast mode |
 
 - Pin Correspondence
@@ -12376,4 +12376,3 @@ if __name__ == '__main__':
 
 ```
 
-
diff --git a/zh-cn/api/QuecPythonClasslib.md b/zh-cn/api/QuecPythonClasslib.md
index 21ee2d0..991536a 100644
--- a/zh-cn/api/QuecPythonClasslib.md
+++ b/zh-cn/api/QuecPythonClasslib.md
@@ -6442,7 +6442,7 @@ rtc.enable_alarm(1)
 
 | 参数 | 类型 | 说明                                                         |
 | ---- | ---- | ------------------------------------------------------------ |
-| I2Cn | int  | i2c 通路索引号:<br />I2C.I2C0 : 0  <br />I2C.I2C0 : 1        |
+| I2Cn | int  | i2c 通路索引号:<br />I2C.I2C0 : 0  <br />I2C.I2C1 : 1        |
 | MODE | int  | i2c 的工作模式:<br />I2C.STANDARD_MODE : 0 标准模式<br />I2C.FAST_MODE ： 1 快速模式 |
 
 - 引脚对应关系