diff --git a/bsp/CME_M7/CMSIS/CME_M7/startup/gcc/startup_CME_M7.c b/bsp/CME_M7/CMSIS/CME_M7/startup/gcc/startup_CME_M7.c
new file mode 100644
index 0000000000..bdf95f9165
--- /dev/null
+++ b/bsp/CME_M7/CMSIS/CME_M7/startup/gcc/startup_CME_M7.c
@@ -0,0 +1,226 @@
+//*****************************************************************************
+//
+// Startup code for use with GNU tools.
+//
+//*****************************************************************************
+
+
+//*****************************************************************************
+//
+// Forward declaration of the default fault handlers.
+//
+//*****************************************************************************
+static void Reset_Handler(void);
+static void Default_Handler(void);
+
+//*****************************************************************************
+//
+// External declaration for the interrupt handler used by the application.
+//
+//*****************************************************************************
+void NMI_Handler(void)          __attribute__((weak, alias("Default_Handler")));
+void HardFault_Handler(void)    __attribute__((weak, alias("Default_Handler")));
+void MemManage_Handler(void)    __attribute__((weak, alias("Default_Handler")));
+void BusFault_Handler(void)     __attribute__((weak, alias("Default_Handler")));
+void UsageFault_Handler(void)   __attribute__((weak, alias("Default_Handler")));
+void SVC_Handler(void)          __attribute__((weak, alias("Default_Handler")));
+void DebugMon_Handler(void)     __attribute__((weak, alias("Default_Handler")));
+void PendSV_Handler(void)       __attribute__((weak, alias("Default_Handler")));
+void SysTick_Handler(void)      __attribute__((weak, alias("Default_Handler")));
+
+void ETH_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void USB_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void DMAC_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+void CAN0_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+void CAN1_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+
+void FP0_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void FP1_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void FP2_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void FP3_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void FP4_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void FP5_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void FP6_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void FP7_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void FP8_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void FP9_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void FP10_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+void FP11_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+void FP12_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+void FP13_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+void FP14_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+void FP15_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+void UART0_IRQHandler(void)     __attribute__((weak, alias("Default_Handler")));
+void UART1_IRQHandler(void)     __attribute__((weak, alias("Default_Handler")));
+void ADC_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void GPIO_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+void SPI1_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+void I2C1_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+void SPI0_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+void I2C0_IRQHandler(void)      __attribute__((weak, alias("Default_Handler")));
+void RTC_1S_IRQHandler(void)    __attribute__((weak, alias("Default_Handler")));
+void RTC_1MS_IRQHandler(void)   __attribute__((weak, alias("Default_Handler")));
+void WDG_IRQHandler(void)       __attribute__((weak, alias("Default_Handler")));
+void TIMER_IRQHandler(void)          __attribute__((weak, alias("Default_Handler")));
+void DDRC_SW_PROC_IRQHandler(void)   __attribute__((weak, alias("Default_Handler")));
+void ETH_PMT_IRQHandler(void)        __attribute__((weak, alias("Default_Handler")));
+void PAD_IRQHandler(void)            __attribute__((weak, alias("Default_Handler")));
+void DDRC_LANE_SYNC_IRQHandler(void) __attribute__((weak, alias("Default_Handler")));
+void UART2_IRQHandler(void)          __attribute__((weak, alias("Default_Handler")));
+
+//*****************************************************************************
+//
+// The entry point for the application.
+//
+//*****************************************************************************
+extern int main(void);
+
+//*****************************************************************************
+//
+// Reserve space for the system stack.
+//
+//*****************************************************************************
+static unsigned long pulStack[512];
+
+//*****************************************************************************
+//
+// The vector table.  Note that the proper constructs must be placed on this to
+// ensure that it ends up at physical address 0x0000.0000.
+//
+//*****************************************************************************
+__attribute__ ((section(".isr_vector")))
+void (* const g_pfnVectors[])(void) =
+{
+    (void (*)(void))((unsigned long)pulStack + sizeof(pulStack)),
+    // The initial stack pointer
+    Reset_Handler,              // Reset Handler
+    NMI_Handler,                // NMI Handler
+    HardFault_Handler,          // Hard Fault Handler
+    MemManage_Handler,          // MPU Fault Handler
+    BusFault_Handler,           // Bus Fault Handler
+    UsageFault_Handler,         // Usage Fault Handler
+    0,                          // Reserved
+    0,                          // Reserved
+    0,                          // Reserved
+    0,                          // Reserved
+    SVC_Handler,                // SVCall Handler
+    DebugMon_Handler,           // Debug Monitor Handler
+    0,                          // Reserved
+    PendSV_Handler,             // PendSV Handler
+    SysTick_Handler,            // SysTick Handler
+
+    // External Interrupts
+    ETH_IRQHandler,
+    USB_IRQHandler,
+    DMAC_IRQHandler,
+    CAN0_IRQHandler,
+    CAN1_IRQHandler,
+    FP0_IRQHandler,
+    FP1_IRQHandler,
+    FP2_IRQHandler,
+    FP3_IRQHandler,
+    FP4_IRQHandler,
+    FP5_IRQHandler,
+    FP6_IRQHandler,
+    FP7_IRQHandler,
+    FP8_IRQHandler,
+    FP9_IRQHandler,
+    FP10_IRQHandler,
+    FP11_IRQHandler,
+    FP12_IRQHandler,
+    FP13_IRQHandler,
+    FP14_IRQHandler,
+    FP15_IRQHandler,
+    UART0_IRQHandler,
+    UART1_IRQHandler,
+    ADC_IRQHandler,
+    GPIO_IRQHandler,
+    SPI1_IRQHandler,
+    I2C1_IRQHandler,
+    SPI0_IRQHandler,
+    I2C0_IRQHandler,
+    RTC_1S_IRQHandler,
+    RTC_1MS_IRQHandler,
+    WDG_IRQHandler,
+    TIMER_IRQHandler,
+    DDRC_SW_PROC_IRQHandler,
+    ETH_PMT_IRQHandler,
+    PAD_IRQHandler,
+    DDRC_LANE_SYNC_IRQHandler,
+    UART2_IRQHandler,
+};
+
+//*****************************************************************************
+//
+// The following are constructs created by the linker, indicating where the
+// the "data" and "bss" segments reside in memory.  The initializers for the
+// for the "data" segment resides immediately following the "text" segment.
+//
+//*****************************************************************************
+extern unsigned long _etext;
+extern unsigned long _data;
+extern unsigned long _edata;
+extern unsigned long _bss;
+extern unsigned long _ebss;
+
+//*****************************************************************************
+//
+// This is the code that gets called when the processor first starts execution
+// following a reset event.  Only the absolutely necessary set is performed,
+// after which the application supplied entry() routine is called.  Any fancy
+// actions (such as making decisions based on the reset cause register, and
+// resetting the bits in that register) are left solely in the hands of the
+// application.
+//
+//*****************************************************************************
+static void Reset_Handler(void)
+{
+    unsigned long *pulSrc, *pulDest;
+
+    //
+    // Copy the data segment initializers from flash to SRAM.
+    //
+    pulSrc = &_etext;
+    for(pulDest = &_data; pulDest < &_edata; )
+    {
+        *pulDest++ = *pulSrc++;
+    }
+
+    //
+    // Zero fill the bss segment.
+    //
+    __asm("    ldr     r0, =_bss\n"
+          "    ldr     r1, =_ebss\n"
+          "    mov     r2, #0\n"
+          "    .thumb_func\n"
+          "zero_loop:\n"
+          "        cmp     r0, r1\n"
+          "        it      lt\n"
+          "        strlt   r2, [r0], #4\n"
+          "        blt     zero_loop");
+
+    // call system init.	
+	SystemInit();
+
+    //
+    // Call the application's entry point.
+    //
+    main();
+}
+
+//*****************************************************************************
+//
+// This is the code that gets called when the processor receives an unexpected
+// interrupt.  This simply enters an infinite loop, preserving the system state
+// for examination by a debugger.
+//
+//*****************************************************************************
+static void Default_Handler(void)
+{
+    //
+    // Go into an infinite loop.
+    //
+    while(1)
+    {
+    }
+}
diff --git a/bsp/CME_M7/CMSIS/SConscript b/bsp/CME_M7/CMSIS/SConscript
index b850fc90bf..fc01453c4a 100644
--- a/bsp/CME_M7/CMSIS/SConscript
+++ b/bsp/CME_M7/CMSIS/SConscript
@@ -12,19 +12,21 @@ CME_M7/system_cmem7.c
 
 # add for startup script 
 if rtconfig.CROSS_TOOL == 'gcc':
-    src += ['Device/Nuvoton/NUC472_442/Source/GCC/startup_NUC472_442.c']
+    src += ['CME_M7/startup/gcc/startup_CME_M7.c']
 elif rtconfig.CROSS_TOOL == 'keil':
     src += ['CME_M7/startup/arm/startup_cmem7.s']
 elif rtconfig.CROSS_TOOL == 'iar':
-    src += ['Device/Nuvoton/NUC472_442/Source/IAR/startup_NUC472_442.S']
+    print '================ERROR============================'
+    print 'Not support IAR yet!'
+    print '================================================='
+    exit(0)
 
 path = [cwd + '/CME_M7']
-#ath += [cwd + '/StdDriver/inc']
 
-# if GetDepend(['RT_USING_BSP_CMSIS']):
-    # path += [cwd + '/CMSIS/Include']
-# elif GetDepend(['RT_USING_RTT_CMSIS']):
-    # path += [RTT_ROOT + '/components/CMSIS/Include']
+if GetDepend(['RT_USING_BSP_CMSIS']):
+    path += [cwd + '/CMSIS/Include']
+elif GetDepend(['RT_USING_RTT_CMSIS']):
+    path += [RTT_ROOT + '/components/CMSIS/Include']
 
 group = DefineGroup('CMSIS', src, depend = [''], CPPPATH = path)
 
diff --git a/bsp/CME_M7/project.uvproj b/bsp/CME_M7/project.uvproj
index ce957f2416..2eba13d595 100644
--- a/bsp/CME_M7/project.uvproj
+++ b/bsp/CME_M7/project.uvproj
@@ -14,8 +14,6 @@
         <TargetCommonOption>
           <Device>ARMCM3</Device>
           <Vendor>ARM</Vendor>
-          <PackID>ARM.CMSIS.4.1.0</PackID>
-          <PackURL>http://www.keil.com/pack/</PackURL>
           <Cpu>CPUTYPE("Cortex-M3") CLOCK(10000000) ESEL ELITTLE</Cpu>
           <FlashUtilSpec></FlashUtilSpec>
           <StartupFile></StartupFile>
@@ -32,7 +30,6 @@
           <SLE66AMisc></SLE66AMisc>
           <SLE66LinkerMisc></SLE66LinkerMisc>
           <SFDFile>$$Device:ARMCM3$Device\ARM\SVD\ARMCM3.svd</SFDFile>
-          <bCustSvd>0</bCustSvd>
           <UseEnv>0</UseEnv>
           <BinPath></BinPath>
           <IncludePath></IncludePath>
@@ -74,8 +71,6 @@
             <UserProg2Name></UserProg2Name>
             <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
             <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
-            <nStopB1X>0</nStopB1X>
-            <nStopB2X>0</nStopB2X>
           </BeforeMake>
           <AfterMake>
             <RunUserProg1>0</RunUserProg1>
@@ -102,7 +97,6 @@
           <StopOnExitCode>3</StopOnExitCode>
           <CustomArgument></CustomArgument>
           <IncludeLibraryModules></IncludeLibraryModules>
-          <ComprImg>1</ComprImg>
         </CommonProperty>
         <DllOption>
           <SimDllName>SARMCM3.DLL</SimDllName>
@@ -132,7 +126,6 @@
             <RestoreFunctions>1</RestoreFunctions>
             <RestoreToolbox>1</RestoreToolbox>
             <LimitSpeedToRealTime>0</LimitSpeedToRealTime>
-            <RestoreSysVw>1</RestoreSysVw>
           </Simulator>
           <Target>
             <UseTarget>1</UseTarget>
@@ -144,11 +137,9 @@
             <RestoreFunctions>0</RestoreFunctions>
             <RestoreToolbox>1</RestoreToolbox>
             <RestoreTracepoints>1</RestoreTracepoints>
-            <RestoreSysVw>1</RestoreSysVw>
-            <UsePdscDebugDescription>1</UsePdscDebugDescription>
           </Target>
           <RunDebugAfterBuild>0</RunDebugAfterBuild>
-          <TargetSelection>17</TargetSelection>
+          <TargetSelection>-1</TargetSelection>
           <SimDlls>
             <CpuDll></CpuDll>
             <CpuDllArguments></CpuDllArguments>
@@ -178,10 +169,6 @@
           <Flash2>BIN\UL2CM3.DLL</Flash2>
           <Flash3>"" ()</Flash3>
           <Flash4></Flash4>
-          <pFcarmOut></pFcarmOut>
-          <pFcarmGrp></pFcarmGrp>
-          <pFcArmRoot></pFcArmRoot>
-          <FcArmLst>0</FcArmLst>
         </Utilities>
         <TargetArmAds>
           <ArmAdsMisc>
@@ -360,13 +347,11 @@
             <wLevel>2</wLevel>
             <uThumb>0</uThumb>
             <uSurpInc>0</uSurpInc>
-            <uC99>0</uC99>
-            <useXO>0</useXO>
             <VariousControls>
               <MiscControls></MiscControls>
-              <Define></Define>
+              <Define>RT_USING_ARM_LIBC</Define>
               <Undefine></Undefine>
-              <IncludePath>applications;.;CMSIS\CME_M7;drivers;StdPeriph_Driver\inc;..\..\include;..\..\libcpu\arm\cortex-m3;..\..\libcpu\arm\common;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\finsh;..\..\components\init;..\..\components\libc\armlibc;..\..\components\net\lwip-1.4.1\src;..\..\components\net\lwip-1.4.1\src\include;..\..\components\net\lwip-1.4.1\src\include\ipv4;..\..\components\net\lwip-1.4.1\src\arch\include;..\..\components\net\lwip-1.4.1\src\include\netif</IncludePath>
+              <IncludePath>applications;.;CMSIS\CME_M7;..\..\components\CMSIS\Include;drivers;StdPeriph_Driver\inc;..\..\include;..\..\libcpu\arm\cortex-m3;..\..\libcpu\arm\common;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\finsh;..\..\components\init;..\..\components\libc\armlibc;..\..\components\net\lwip-1.4.1\src;..\..\components\net\lwip-1.4.1\src\include;..\..\components\net\lwip-1.4.1\src\include\ipv4;..\..\components\net\lwip-1.4.1\src\arch\include;..\..\components\net\lwip-1.4.1\src\include\netif</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
@@ -378,7 +363,6 @@
             <SwStkChk>0</SwStkChk>
             <NoWarn>0</NoWarn>
             <uSurpInc>0</uSurpInc>
-            <useXO>0</useXO>
             <VariousControls>
               <MiscControls></MiscControls>
               <Define></Define>
@@ -395,7 +379,6 @@
             <useFile>0</useFile>
             <TextAddressRange>0x00000000</TextAddressRange>
             <DataAddressRange>0x00000000</DataAddressRange>
-            <pXoBase></pXoBase>
             <ScatterFile>CME_M7.sct</ScatterFile>
             <IncludeLibs></IncludeLibs>
             <IncludeLibsPath></IncludeLibsPath>
diff --git a/bsp/CME_M7/rtconfig.h b/bsp/CME_M7/rtconfig.h
index 4ae4c15fa8..97fa513660 100644
--- a/bsp/CME_M7/rtconfig.h
+++ b/bsp/CME_M7/rtconfig.h
@@ -70,8 +70,7 @@
 #define FINSH_USING_MSH
 //#define FINSH_USING_MSH_ONLY
 
-//#define RT_USING_NEWLIB
-#define RT_USING_ARM_LIBC
+#define RT_USING_LIBC
 
 /* SECTION: device filesystem */
 /* #define RT_USING_DFS */
@@ -90,8 +89,6 @@
 
 /* SECTION: lwip, a lighwight TCP/IP protocol stack */
 #define RT_USING_LWIP
-/* LwIP uses RT-Thread Memory Management */
-// #define RT_LWIP_USING_RT_MEM
 /* Enable ICMP protocol*/
 #define RT_LWIP_ICMP
 /* Enable UDP protocol*/
diff --git a/bsp/CME_M7/rtconfig.py b/bsp/CME_M7/rtconfig.py
index 79deea42b2..7977f660c3 100644
--- a/bsp/CME_M7/rtconfig.py
+++ b/bsp/CME_M7/rtconfig.py
@@ -43,7 +43,7 @@ if PLATFORM == 'gcc':
     DEVICE = ' -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=softfp  -ffunction-sections -fdata-sections'
     CFLAGS = DEVICE + ' -g -Wall  -D__FPU_USED'
     AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
-    LFLAGS = DEVICE + ' -lm -lgcc -lc' + ' -nostartfiles  -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T nuc472_flash.ld'
+    LFLAGS = DEVICE + ' -lm -lgcc -lc' + ' -nostartfiles  -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T CME_M7.ld'
 
     CPATH = ''
     LPATH = ''