diff --git a/Example/Example_btb/Motherboard_Demo.7z b/Example/Example_btb/Motherboard_Demo.7z
index 9c80ea4..51d1c05 100644
Binary files a/Example/Example_btb/Motherboard_Demo.7z and b/Example/Example_btb/Motherboard_Demo.7z differ
diff --git a/Example/Example_dual_camera/Motherboard_Demo.7z b/Example/Example_dual_camera/Motherboard_Demo.7z
index 13b0708..4a47a68 100644
Binary files a/Example/Example_dual_camera/Motherboard_Demo.7z and b/Example/Example_dual_camera/Motherboard_Demo.7z differ
diff --git a/Seekfree_TC264_Opensource_Library/Seekfree_TC264_dual_camera_Opensource_Library/Seekfree_TC264_Opensource_Library/libraries/zf_device/zf_device_imu660rc.h b/Seekfree_TC264_Opensource_Library/Seekfree_TC264_dual_camera_Opensource_Library/Seekfree_TC264_Opensource_Library/libraries/zf_device/zf_device_imu660rc.h
index 14973e5..dd5a9e3 100644
--- a/Seekfree_TC264_Opensource_Library/Seekfree_TC264_dual_camera_Opensource_Library/Seekfree_TC264_Opensource_Library/libraries/zf_device/zf_device_imu660rc.h
+++ b/Seekfree_TC264_Opensource_Library/Seekfree_TC264_dual_camera_Opensource_Library/Seekfree_TC264_Opensource_Library/libraries/zf_device/zf_device_imu660rc.h
@@ -64,7 +64,7 @@
 
 // IMU660RC_USE_SOFT_IIC定义为0表示使用硬件SPI驱动 定义为1表示使用软件IIC驱动
 // 当更改IMU660RC_USE_SOFT_IIC定义后，需要先编译并下载程序，单片机与模块需要断电重启才能正常通讯
-#define IMU660RC_USE_SOFT_IIC           ( 1 )                                   // 默认使用硬件 SPI 方式驱动
+#define IMU660RC_USE_SOFT_IIC           ( 0 )                                   // 默认使用硬件 SPI 方式驱动
 
 #if IMU660RC_USE_SOFT_IIC                                                       // 这两段 颜色正常的才是正确的 颜色灰的就是没有用的
 //====================================================软件 IIC 驱动====================================================
diff --git a/Seekfree_TC264_Opensource_Library/Seekfree_TC264_general_Opensource_Library/Seekfree_TC264_Opensource_Library/libraries/zf_device/zf_device_imu660rc.h b/Seekfree_TC264_Opensource_Library/Seekfree_TC264_general_Opensource_Library/Seekfree_TC264_Opensource_Library/libraries/zf_device/zf_device_imu660rc.h
index 14973e5..dd5a9e3 100644
--- a/Seekfree_TC264_Opensource_Library/Seekfree_TC264_general_Opensource_Library/Seekfree_TC264_Opensource_Library/libraries/zf_device/zf_device_imu660rc.h
+++ b/Seekfree_TC264_Opensource_Library/Seekfree_TC264_general_Opensource_Library/Seekfree_TC264_Opensource_Library/libraries/zf_device/zf_device_imu660rc.h
@@ -64,7 +64,7 @@
 
 // IMU660RC_USE_SOFT_IIC定义为0表示使用硬件SPI驱动 定义为1表示使用软件IIC驱动
 // 当更改IMU660RC_USE_SOFT_IIC定义后，需要先编译并下载程序，单片机与模块需要断电重启才能正常通讯
-#define IMU660RC_USE_SOFT_IIC           ( 1 )                                   // 默认使用硬件 SPI 方式驱动
+#define IMU660RC_USE_SOFT_IIC           ( 0 )                                   // 默认使用硬件 SPI 方式驱动
 
 #if IMU660RC_USE_SOFT_IIC                                                       // 这两段 颜色正常的才是正确的 颜色灰的就是没有用的
 //====================================================软件 IIC 驱动====================================================