diff --git a/Readme_cn.md b/Readme_cn.md
index 1dae189ca..57393b9a6 100755
--- a/Readme_cn.md
+++ b/Readme_cn.md
@@ -76,6 +76,7 @@ sudo apt update
 sudo apt install ninja-build
 sudo apt install cpio srecord
 sudo apt install python3
+sudo apt install srecord
 ```
 3. 下载gcc
 - 直接使用ubuntu命令安装的gcc arm会没有gdb，可以直接到我给定的仓库下载
diff --git a/mkrtos_cfg/stm32f103ret6.cfg b/mkrtos_cfg/stm32f103ret6.cfg
deleted file mode 100644
index b6c0986a0..000000000
--- a/mkrtos_cfg/stm32f103ret6.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
-
-set FLASH_SIZE 0x80000
-adapter driver jlink
-transport select swd
-adapter speed 2000
-source [find target/stm32f1x.cfg]
\ No newline at end of file
diff --git a/cmake/backports/FindPythonInterp.cmake b/mkrtos_cmake/backports/FindPythonInterp.cmake
similarity index 100%
rename from cmake/backports/FindPythonInterp.cmake
rename to mkrtos_cmake/backports/FindPythonInterp.cmake
diff --git a/cmake/extensions.cmake b/mkrtos_cmake/extensions.cmake
similarity index 100%
rename from cmake/extensions.cmake
rename to mkrtos_cmake/extensions.cmake
diff --git a/cmake/kconfig.cmake b/mkrtos_cmake/kconfig.cmake
similarity index 100%
rename from cmake/kconfig.cmake
rename to mkrtos_cmake/kconfig.cmake
diff --git a/cmake/python.cmake b/mkrtos_cmake/python.cmake
similarity index 94%
rename from cmake/python.cmake
rename to mkrtos_cmake/python.cmake
index 41c971e2b..e64f4986e 100644
--- a/cmake/python.cmake
+++ b/mkrtos_cmake/python.cmake
@@ -19,4 +19,4 @@ set(PythonInterp_FIND_VERSION_MAJOR 3)
 set(PythonInterp_FIND_VERSION_MINOR 6)
 set(PythonInterp_FIND_VERSION_EXACT 0)
 set(PythonInterp_FIND_REQUIRED 1)
-include(cmake/backports/FindPythonInterp.cmake)
+include(mkrtos_cmake/backports/FindPythonInterp.cmake)
diff --git a/cmake/top.cmake b/mkrtos_cmake/top.cmake
similarity index 64%
rename from cmake/top.cmake
rename to mkrtos_cmake/top.cmake
index c2e87b5b4..7140d48c0 100644
--- a/cmake/top.cmake
+++ b/mkrtos_cmake/top.cmake
@@ -1,12 +1,12 @@
 set(PROJECT_ROOT ${CMAKE_SOURCE_DIR})
 set(KCONFIG_ROOT ${CMAKE_SOURCE_DIR}/Kconfig)
-set(BOARD_DIR ${CMAKE_SOURCE_DIR}/configs)
+set(BOARD_DIR ${CMAKE_SOURCE_DIR}/mkrtos_configs)
 set(AUTOCONF_H ${CMAKE_CURRENT_BINARY_DIR}/autoconf.h)
 
 # Re-configure (Re-execute all CMakeLists.txt code) when autoconf.h changes
 set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${AUTOCONF_H})
 
-include(cmake/extensions.cmake)
-include(cmake/python.cmake)
-include(cmake/kconfig.cmake)
+include(mkrtos_cmake/extensions.cmake)
+include(mkrtos_cmake/python.cmake)
+include(mkrtos_cmake/kconfig.cmake)
 
diff --git a/configs/STM32F103ZET6_defconfig b/mkrtos_configs/STM32F103ZET6_defconfig
similarity index 100%
rename from configs/STM32F103ZET6_defconfig
rename to mkrtos_configs/STM32F103ZET6_defconfig
diff --git a/configs/STM32F205_defconfig b/mkrtos_configs/STM32F205_defconfig
similarity index 98%
rename from configs/STM32F205_defconfig
rename to mkrtos_configs/STM32F205_defconfig
index d56d74052..73aa4bc06 100644
--- a/configs/STM32F205_defconfig
+++ b/mkrtos_configs/STM32F205_defconfig
@@ -6,7 +6,7 @@ CONFIG_KNL_INFO=y
 CONFIG_KNL_TEXT_ADDR=0x8000000
 CONFIG_KNL_TEXT_SIZE=0x100000
 CONFIG_KNL_DATA_ADDR=0x20000000
-CONFIG_KNL_DATA_SIZE=0x2000000
+CONFIG_KNL_DATA_SIZE=0x100000
 CONFIG_KNL_OFFSET=0x2000
 CONFIG_INIT_TASK_OFFSET=0x10000
 CONFIG_BOOTFS_OFFSET=0x22000
diff --git a/configs/STM32F407VET6_defconfig b/mkrtos_configs/STM32F407VET6_defconfig
similarity index 100%
rename from configs/STM32F407VET6_defconfig
rename to mkrtos_configs/STM32F407VET6_defconfig
diff --git a/configs/SWM34_defconfig b/mkrtos_configs/SWM34_defconfig
similarity index 100%
rename from configs/SWM34_defconfig
rename to mkrtos_configs/SWM34_defconfig
diff --git a/mkrtos_knl/arch/armv7m/stm32f2/mpu.c b/mkrtos_knl/arch/armv7m/stm32f2/mpu.c
index 8600c9216..a4bb48417 100755
--- a/mkrtos_knl/arch/armv7m/stm32f2/mpu.c
+++ b/mkrtos_knl/arch/armv7m/stm32f2/mpu.c
@@ -4,14 +4,13 @@
  *  Created on: ATShining
  *      Author: Administrator
  */
-
 #include "types.h"
-#include "assert.h"
 #include "mpu.h"
 #include <mk_sys.h>
 #include <mpu_armv7.h>
 #include "thread.h"
 #include "task.h"
+#if CONFIG_MK_MPU_CFG
 static volatile umword_t *MPUCR = (umword_t *)0xE000ED94;
 
 void mpu_init(void)
@@ -65,3 +64,11 @@ void mpu_switch_to(void)
 
     mpu_switch_to_task(tk);
 }
+#else
+void mpu_switch_to(void)
+{
+}
+void mpu_switch_to_task(struct task *tk)
+{
+}
+#endif
diff --git a/mkrtos_knl/link.lds b/mkrtos_knl/link.lds
index 29850a302..2ce14dc6a 100644
--- a/mkrtos_knl/link.lds
+++ b/mkrtos_knl/link.lds
@@ -1,7 +1,7 @@
 ENTRY(Reset_Handler)
 MEMORY
 {
-  RAM (arw) : ORIGIN = 0x20000000, LENGTH = 0x2000000
+  RAM (arw) : ORIGIN = 0x20000000, LENGTH = 0x100000
   FLASH (arx) : ORIGIN = 0x8000000 + 0x2000, LENGTH = 0x10000 - 0x2000
 }
 SECTIONS
diff --git a/mkrtos_script/build_f2.sh b/mkrtos_script/build_f2.sh
index bd78034a0..a5e54fb50 100755
--- a/mkrtos_script/build_f2.sh
+++ b/mkrtos_script/build_f2.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
-export TOOLCHAIN=/home/zhangzheng/gcc-arm-none-eabi-5_4-2016q3/bin/
-export TOOLCHAIN_LIB=/home/zhangzheng/gcc-arm-none-eabi-5_4-2016q3/lib/gcc/arm-none-eabi/5.4.1/armv7-m
+export TOOLCHAIN=/home/zhangzheng/mkrtos-tools/gcc/gcc-arm-none-eabi-5_4-2016q3/bin/
+export TOOLCHAIN_LIB=/home/zhangzheng/mkrtos-tools/gcc/gcc-arm-none-eabi-5_4-2016q3/lib/gcc/arm-none-eabi/5.4.1/armv7-m/
 # export TOOLCHAIN=/Users/zhangzheng/gcc-arm-none-eabi-10.3-2021.10/bin/
 # export TOOLCHAIN_LIB=/Users/zhangzheng/gcc-arm-none-eabi-10.3-2021.10/lib/gcc/arm-none-eabi/10.3.1/thumb/v7-m/nofp
 export BOARD=STM32F205
diff --git a/mkrtos_tool/kconfig/__pycache__/kconfigfunctions.cpython-310.pyc b/mkrtos_tool/kconfig/__pycache__/kconfigfunctions.cpython-310.pyc
new file mode 100644
index 000000000..9ddea829a
Binary files /dev/null and b/mkrtos_tool/kconfig/__pycache__/kconfigfunctions.cpython-310.pyc differ
diff --git a/mkrtos_tool/kconfig/__pycache__/kconfiglib.cpython-310.pyc b/mkrtos_tool/kconfig/__pycache__/kconfiglib.cpython-310.pyc
new file mode 100644
index 000000000..fb42286a9
Binary files /dev/null and b/mkrtos_tool/kconfig/__pycache__/kconfiglib.cpython-310.pyc differ
diff --git a/setting.cmake b/setting.cmake
index 3709db034..feacd5c06 100755
--- a/setting.cmake
+++ b/setting.cmake
@@ -20,7 +20,7 @@ set(CMAKE_SIZE "${CROSS_COMPILE}size" CACHE PATH "" FORCE)
 set(PROJECT_BINARY_DIR ${CMAKE_SOURCE_DIR}/build)
 
 set(BOARD $ENV{BOARD})
-include(cmake/top.cmake)
+include(mkrtos_cmake/top.cmake)
 set(ARCH ${CONFIG_ARCH} CACHE STRING "" FORCE)
 message(=======${ARCH})
 message(=======${CONFIG_CPU_TYPE})