diff --git a/examples/Basics/Micophone/Micophone.ino b/examples/Basics/Micophone/Micophone.ino
index 499ff28..72c1795 100644
--- a/examples/Basics/Micophone/Micophone.ino
+++ b/examples/Basics/Micophone/Micophone.ino
@@ -10,7 +10,7 @@
 * Date: 2022/2/22
 *******************************************************************************
 */
-#include <M5StickCPlus.h>
+#include <M5StickC.h>
 #include <driver/i2s.h>
 
 #define PIN_CLK     0
diff --git a/examples/Hat/MLX90640/MLX90640_API.h b/examples/Hat/MLX90640/MLX90640_API.h
index 3fada4c..bf37b1a 100755
--- a/examples/Hat/MLX90640/MLX90640_API.h
+++ b/examples/Hat/MLX90640/MLX90640_API.h
@@ -17,6 +17,8 @@
 #ifndef _MLX640_API_H_
 #define _MLX640_API_H_
 
+#include <Arduino.h>
+
 #define SCALEALPHA 0.000001
 
 typedef struct {
diff --git a/examples/Unit/BPS_QMP6988/BPS_QMP6988.ino b/examples/Unit/BPS_QMP6988/BPS_QMP6988.ino
index 2beda69..fe7618b 100644
--- a/examples/Unit/BPS_QMP6988/BPS_QMP6988.ino
+++ b/examples/Unit/BPS_QMP6988/BPS_QMP6988.ino
@@ -14,7 +14,7 @@ the display screen 请连接端口A(33、32),读取大气压强并在显示屏
 */
 #include <M5StickC.h>
 
-#include "UNIT_ENV.h"
+#include "M5_ENV.h"
 #include "Wire.h"  //The BPS uses I2C comunication.
 
 QMP6988 qmp6988;
diff --git a/examples/Unit/MLX90640/MLX90640_API.h b/examples/Unit/MLX90640/MLX90640_API.h
index b3b8513..51da08c 100644
--- a/examples/Unit/MLX90640/MLX90640_API.h
+++ b/examples/Unit/MLX90640/MLX90640_API.h
@@ -17,6 +17,8 @@
 #ifndef _MLX640_API_H_
 #define _MLX640_API_H_
 
+#include <Arduino.h>
+
 typedef struct {
     int16_t kVdd;
     int16_t vdd25;
diff --git a/examples/Unit/PIR/pir.ino b/examples/Unit/PIR/PIR.ino
similarity index 100%
rename from examples/Unit/PIR/pir.ino
rename to examples/Unit/PIR/PIR.ino
diff --git a/examples/Unit/THERMAL_MLX90640/MLX90640_API.h b/examples/Unit/THERMAL_MLX90640/MLX90640_API.h
index 3fada4c..bf37b1a 100755
--- a/examples/Unit/THERMAL_MLX90640/MLX90640_API.h
+++ b/examples/Unit/THERMAL_MLX90640/MLX90640_API.h
@@ -17,6 +17,8 @@
 #ifndef _MLX640_API_H_
 #define _MLX640_API_H_
 
+#include <Arduino.h>
+
 #define SCALEALPHA 0.000001
 
 typedef struct {