diff --git a/Makefile b/Makefile
index 7b9e5641..71dd16b4 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ BOARD?=bl706_iot
 CHIP?=bl702
 APP_DIR?=examples
 APP?=helloworld
-CPU_ID?=m0
+CPU_ID?=none
 COMx?=
 
 SUPPORT_SHELL?=n
@@ -47,7 +47,7 @@ download:
 	./tools/bflb_flash_tool/bflb_mcu_tool --chipname=$(CHIP) --interface=$(INTERFACE) --port=$(COMx) --baudrate=$(BAUDRATE)
 
 format:
-	find $(FORMAT_DIR)/ -name "*.c" -o -name "*.h" | xargs clang-format -style=file -i
+	find $(FORMAT_DIR)/ -name "*.c" -o -name "*.h" -o -name "*.cc" -o -name "*.cpp"| xargs clang-format -style=file -i
 
 clean:
 	$(RM) out
diff --git a/bl_mcu_flash.launch b/bl_mcu_flash.launch
index 7bd6483d..ab0eea80 100644
--- a/bl_mcu_flash.launch
+++ b/bl_mcu_flash.launch
@@ -46,7 +46,7 @@
     <booleanAttribute key="org.eclipse.cdt.dsf.gdb.UPDATE_THREADLIST_ON_SUSPEND" value="false"/>
     <intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="0"/>
     <stringAttribute key="org.eclipse.cdt.launch.COREFILE_PATH" value=""/>
-    <stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="F:\bl_mcu_sdk\out\hellowd\helloworld\helloworld_main.elf"/>
+    <stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="F:\bl_mcu_sdk\out\examples\hellowd\helloworld\helloworld_main.elf"/>
     <stringAttribute key="org.eclipse.cdt.launch.PROJECT_ATTR" value="bl_mcu_sdk"/>
     <booleanAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_AUTO_ATTR" value="true"/>
     <stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value="ilg.gnumcueclipse.managedbuild.cross.riscv.toolchain.base.528944072"/>
diff --git a/project.build b/project.build
index 3e6feefd..ba6c6e6c 100644
--- a/project.build
+++ b/project.build
@@ -1,5 +1,8 @@
-cmake_definition+= -DCHIP=$(CHIP)
+ifneq ($(CPU_ID),none)
 cmake_definition+= -DCPU_ID=$(CPU_ID)
+endif
+
+cmake_definition+= -DCHIP=$(CHIP)
 cmake_definition+= -DBOARD=$(BOARD)
 cmake_definition+= -DSUPPORT_FLOAT=$(SUPPORT_FLOAT)
 cmake_definition+= -DSUPPORT_SHELL=$(SUPPORT_SHELL)
diff --git a/tools/cmake/compiler_flags.cmake b/tools/cmake/compiler_flags.cmake
index 9192ae05..26100cc5 100644
--- a/tools/cmake/compiler_flags.cmake
+++ b/tools/cmake/compiler_flags.cmake
@@ -1,7 +1,7 @@
 include(${CMAKE_SOURCE_DIR}/drivers/${CHIP}_driver/cpu_flags.cmake)
 
 list(APPEND GLOBAL_C_FLAGS -Os -g3)
-list(APPEND GLOBAL_C_FLAGS -fshort-enums -fno-common -fms-extensions -ffunction-sections -fdata-sections -fstrict-volatile-bitfields)
+list(APPEND GLOBAL_C_FLAGS -fshort-enums -fno-common -fms-extensions -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -ffast-math)
 list(APPEND GLOBAL_C_FLAGS -Wall -Wshift-negative-value -Wchar-subscripts -Wformat -Wuninitialized -Winit-self -Wignored-qualifiers -Wunused -Wundef)
 list(APPEND GLOBAL_C_FLAGS -msmall-data-limit=4)
 
@@ -15,6 +15,7 @@ if(${SUPPORT_FLOAT} STREQUAL "y")
 list(APPEND GLOBAL_LD_FLAGS -u _printf_float)
 endif()
 
+
 if(${SUPPORT_SHELL} STREQUAL "y")
 list(APPEND GLOBAL_C_FLAGS -DSHELL_SUPPORT)
 endif()
diff --git a/tools/cmake/tools.cmake b/tools/cmake/tools.cmake
index 08f943d0..2336564c 100644
--- a/tools/cmake/tools.cmake
+++ b/tools/cmake/tools.cmake
@@ -252,7 +252,7 @@ function(check_all_library)
     endif()
 
     if(${SUPPORT_TFLITE} STREQUAL "y")
-    check_add_library(xz ${CMAKE_SOURCE_DIR}/components/tflite)
+    check_add_library(tflite ${CMAKE_SOURCE_DIR}/components/tflite)
     endif()
 
 endfunction(check_all_library)