diff --git a/rt-thread-version/rt-thread-nano/nano-ref/nano-device-i2c/demo_code/drv_i2c.h b/rt-thread-version/rt-thread-nano/nano-ref/nano-device-i2c/demo_code/drv_i2c.h
index 444f7d2867364d5a4eff41ccf6fa8ea3cbcfcccb..141ceaae6d6a4b2d818e895384da9865ac52137b 100644
--- a/rt-thread-version/rt-thread-nano/nano-ref/nano-device-i2c/demo_code/drv_i2c.h
+++ b/rt-thread-version/rt-thread-nano/nano-ref/nano-device-i2c/demo_code/drv_i2c.h
@@ -13,8 +13,8 @@
 
 #include <drv_common.h>
 #include <board.h>
-#include "pin.h"
-#include "i2c.h"
+#include "dev_pin.h"
+#include "dev_i2c.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/rt-thread-version/rt-thread-nano/nano-ref/nano-device-i2c/nano-device-i2c.md b/rt-thread-version/rt-thread-nano/nano-ref/nano-device-i2c/nano-device-i2c.md
index 0737698e71a11d0f2d19308f702e2bb96931f6a1..f573483da59c34882acb416f8e34793294b5a188 100644
--- a/rt-thread-version/rt-thread-nano/nano-ref/nano-device-i2c/nano-device-i2c.md
+++ b/rt-thread-version/rt-thread-nano/nano-ref/nano-device-i2c/nano-device-i2c.md
@@ -39,9 +39,9 @@
 
 ## 适配 I2C 设备接口
 
-1. 复制 RT-Thread 完整版工程中的 i2c.h 文件（路径：rt-thread\components\drivers\include\drivers\i2c.h）到我们准备好的 STM32L431RCT6 的 RT-Thread Nano 基础工程中。
+1. 复制 RT-Thread 完整版工程中的 dev_i2c.h 文件（路径：rt-thread\components\drivers\include\drivers\dev_i2c.h）到我们准备好的 STM32L431RCT6 的 RT-Thread Nano 基础工程中。
 
-2. 由于 RT-Thread Nano 没有设备驱动框架，所以我们要把 i2c.h 中有关完整版的内容去掉。整理完之后的 i2c.h 文件如下：
+2. 由于 RT-Thread Nano 没有设备驱动框架，所以我们要把 dev_i2c.h 中有关完整版的内容去掉。整理完之后的 dev_i2c.h 文件如下：
 
 ```c
 /*
diff --git a/rt-thread-version/rt-thread-nano/nano-ref/nano-device-pin/demo_code/drv_gpio.c b/rt-thread-version/rt-thread-nano/nano-ref/nano-device-pin/demo_code/drv_gpio.c
index beaea1281031fd78215b40075d7693afed512fbc..45dc19785eb53138f8e6c7f1d560430db3bb136d 100644
--- a/rt-thread-version/rt-thread-nano/nano-ref/nano-device-pin/demo_code/drv_gpio.c
+++ b/rt-thread-version/rt-thread-nano/nano-ref/nano-device-pin/demo_code/drv_gpio.c
@@ -9,7 +9,7 @@
  */
 
 #include <board.h>
-#include "pin.h"
+#include "dev_pin.h"
 #include "drv_gpio.h"
 
 #ifdef RT_USING_PIN
diff --git a/rt-thread-version/rt-thread-nano/nano-ref/nano-device-pin/demo_code/drv_gpio.h b/rt-thread-version/rt-thread-nano/nano-ref/nano-device-pin/demo_code/drv_gpio.h
index 2d01509b02313d2897211cc64e859e6b0f8e0234..9ae262ba3c67dfbc7d6217aae9db03d6c1f9ce35 100644
--- a/rt-thread-version/rt-thread-nano/nano-ref/nano-device-pin/demo_code/drv_gpio.h
+++ b/rt-thread-version/rt-thread-nano/nano-ref/nano-device-pin/demo_code/drv_gpio.h
@@ -16,7 +16,7 @@
 
 #include <drv_common.h>
 #include <board.h>
-#include "pin.h"
+#include "dev_pin.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/rt-thread-version/rt-thread-nano/nano-ref/nano-device-pin/nano-device-pin.md b/rt-thread-version/rt-thread-nano/nano-ref/nano-device-pin/nano-device-pin.md
index dcaa1ab06a0f2f4541f8bd4efc59813de070c148..5224c50aabd18906ffda5e7f7a66795ee546c15a 100644
--- a/rt-thread-version/rt-thread-nano/nano-ref/nano-device-pin/nano-device-pin.md
+++ b/rt-thread-version/rt-thread-nano/nano-ref/nano-device-pin/nano-device-pin.md
@@ -35,9 +35,9 @@
 
 ## 适配 PIN 设备接口
 
-1. 复制 RT-Thread 完整版工程中的 pin.h 文件（路径：rt-thread\components\drivers\include\drivers\pin.h）到我们准备好的 STM32L431RCT6 的 RT-Thread Nano 基础工程中。
+1. 复制 RT-Thread 完整版工程中的 dev_pin.h 文件（路径：rt-thread\components\drivers\include\drivers\dev_pin.h）到我们准备好的 STM32L431RCT6 的 RT-Thread Nano 基础工程中。
 
-2. 由于 RT-Thread Nano 没有驱动框架，所以我们要把 pin.h 中有关完整版的内容去掉。整理完之后的 pin.h 文件如下：
+2. 由于 RT-Thread Nano 没有驱动框架，所以我们要把 dev_pin.h 中有关完整版的内容去掉。整理完之后的 dev_pin.h 文件如下：
 
 ```c
 /*