diff --git a/applications/user_api/posix_support/pthread.c b/applications/user_api/posix_support/pthread.c
index 9ce39400..a7ab718a 100644
--- a/applications/user_api/posix_support/pthread.c
+++ b/applications/user_api/posix_support/pthread.c
@@ -18,7 +18,7 @@
 * @date:    2020/4/20
 *
 */
-
+#include<string.h>
 #include "include/pthread.h"
 
 int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
diff --git a/board/aiit-arm32-board/config.mk b/board/aiit-arm32-board/config.mk
index 5b7cfafe..c2b54cfa 100644
--- a/board/aiit-arm32-board/config.mk
+++ b/board/aiit-arm32-board/config.mk
@@ -1,6 +1,6 @@
 export CROSS_COMPILE ?=/usr/bin/arm-none-eabi-
 
-export CFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Dgcc -O0 -gdwarf-2 -g -fgnu89-inline -Wa,-mimplicit-it=thumb
+export CFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Dgcc -O0 -gdwarf-2 -g -fgnu89-inline -Wa,-mimplicit-it=thumb -Werror
 export AFLAGS := -c -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -x assembler-with-cpp -Wa,-mimplicit-it=thumb  -gdwarf-2
 export LFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Wl,--gc-sections,-Map=XiUOS.map,-cref,-u,Reset_Handler -T $(BSP_ROOT)/link.lds
 export CXXFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Dgcc -O0 -gdwarf-2 -g
diff --git a/board/aiit-riscv64-board/config.mk b/board/aiit-riscv64-board/config.mk
index 82255d17..b0ae50c3 100644
--- a/board/aiit-riscv64-board/config.mk
+++ b/board/aiit-riscv64-board/config.mk
@@ -1,10 +1,10 @@
-export CFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -fgnu89-inline
+export CFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -fgnu89-inline -Werror
 export AFLAGS := -c -mcmodel=medany -march=rv64imafdc -mabi=lp64d -x assembler-with-cpp -ggdb
 export LFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -nostartfiles -Wl,--gc-sections,-Map=XiUOS.map,-cref,-u,_start -T $(BSP_ROOT)/link.lds
 
 export APPLFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -nostartfiles -Wl,--gc-sections,-Map=XiUOS_app.map,-cref,-u, -T $(BSP_ROOT)/link_userspace.lds
 
-export CXXFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb 
+export CXXFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -Werror 
 
 export CROSS_COMPILE ?=/opt/gnu-mcu-eclipse/riscv-none-gcc/8.2.0-2.1-20190425-1021/bin/riscv-none-embed-
 #export CROSS_COMPILE ?=/opt/xpack-riscv-none-embed-gcc-10.1.0-1.1/bin/riscv-none-embed-
diff --git a/board/hifive1-emulator/config.mk b/board/hifive1-emulator/config.mk
index 4df299ea..b28970fe 100644
--- a/board/hifive1-emulator/config.mk
+++ b/board/hifive1-emulator/config.mk
@@ -1,10 +1,10 @@
-export CFLAGS := -mcmodel=medany -march=rv32imac -mabi=ilp32 -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -fgnu89-inline
+export CFLAGS := -mcmodel=medany -march=rv32imac -mabi=ilp32 -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -fgnu89-inline -Werror
 export AFLAGS := -c -mcmodel=medany -march=rv32imac -mabi=ilp32 -x assembler-with-cpp -ggdb
 export LFLAGS := -mcmodel=medany -march=rv32imac -mabi=ilp32 -nostartfiles -Wl,--gc-sections,-Map=XiUOS.map,-cref,-u,_start -T $(BSP_ROOT)/link.lds
 
 export APPLFLAGS := -mcmodel=medany -march=rv32imac -mabi=ilp32 -nostartfiles -Wl,--gc-sections,-Map=XiUOS_app.map,-cref,-u, -T $(BSP_ROOT)/link_userspace.lds
 
-export CXXFLAGS := -mcmodel=medany -march=rv32imac -mabi=ilp32 -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb
+export CXXFLAGS := -mcmodel=medany -march=rv32imac -mabi=ilp32 -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -Werror
 
 export CROSS_COMPILE ?=/opt/gnu-mcu-eclipse/riscv-none-gcc/8.2.0-2.1-20190425-1021/bin/riscv-none-embed-
 
diff --git a/board/hifive1-rev-B/config.mk b/board/hifive1-rev-B/config.mk
index dcf2368e..b35dd3ad 100644
--- a/board/hifive1-rev-B/config.mk
+++ b/board/hifive1-rev-B/config.mk
@@ -1,10 +1,10 @@
-export CFLAGS := -mcmodel=medany -march=rv32imac -mabi=ilp32 -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -fgnu89-inline
+export CFLAGS := -mcmodel=medany -march=rv32imac -mabi=ilp32 -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -fgnu89-inline -Werror
 export AFLAGS := -c -mcmodel=medany -march=rv32imac -mabi=ilp32 -x assembler-with-cpp -ggdb
 export LFLAGS := -mcmodel=medany -march=rv32imac -mabi=ilp32 -nostartfiles -Wl,--gc-sections,-Map=XiUOS.map,-cref,-u,_start -T $(BSP_ROOT)/link.lds
 
 export APPLFLAGS := -mcmodel=medany -march=rv32imac -mabi=ilp32 -nostartfiles -Wl,--gc-sections,-Map=XiUOS_app.map,-cref,-u, -T $(BSP_ROOT)/link_userspace.lds
 
-export CXXFLAGS := -mcmodel=medany -march=rv32imac -mabi=ilp32 -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb
+export CXXFLAGS := -mcmodel=medany -march=rv32imac -mabi=ilp32 -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -Werror
 
 export CROSS_COMPILE ?=/opt/gnu-mcu-eclipse/riscv-none-gcc/8.2.0-2.1-20190425-1021/bin/riscv-none-embed-
 
diff --git a/board/kd233/config.mk b/board/kd233/config.mk
index a57168a2..b7310c2a 100644
--- a/board/kd233/config.mk
+++ b/board/kd233/config.mk
@@ -1,21 +1,18 @@
-export CFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -fgnu89-inline
+export CFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -fgnu89-inline -Werror
 export AFLAGS := -c -mcmodel=medany -march=rv64imafdc -mabi=lp64d -x assembler-with-cpp -ggdb
 export LFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -nostartfiles -Wl,--gc-sections,-Map=XiUOS_kd233.map,-cref,-u,_start -T $(BSP_ROOT)/link.lds
 
 export APPLFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -nostartfiles -Wl,--gc-sections,-Map=XiUOS_app.map,-cref,-u, -T $(BSP_ROOT)/link_userspace.lds
 
 
-export CXXFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb
+export CXXFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -Werror
 
 export CROSS_COMPILE ?=/opt/gnu-mcu-eclipse/riscv-none-gcc/8.2.0-2.1-20190425-1021/bin/riscv-none-embed-
 
-#export CROSS_COMPILE ?=/opt/xpack-riscv-none-embed-gcc-10.1.0-1.1/bin/riscv-none-embed-
 
 export DEFINES := -DHAVE_CCONFIG_H -DHAVE_SIGINFO
 
 export ARCH = risc-v
 export MCU =  k210
 
-# export  HAVE_SIGINFO=1
 
-# export USING_LORA = 1
diff --git a/board/maix-go/config.mk b/board/maix-go/config.mk
index 5f9d247e..e06e915f 100644
--- a/board/maix-go/config.mk
+++ b/board/maix-go/config.mk
@@ -1,10 +1,10 @@
-export CFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -fgnu89-inline
+export CFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -fgnu89-inline -Werror
 export AFLAGS := -c -mcmodel=medany -march=rv64imafdc -mabi=lp64d -x assembler-with-cpp -ggdb
 export LFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -nostartfiles -Wl,--gc-sections,-Map=XiUOS.map,-cref,-u,_start -T $(BSP_ROOT)/link.lds
 
 export APPLFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -nostartfiles -Wl,--gc-sections,-Map=XiUOS_app.map,-cref,-u, -T $(BSP_ROOT)/link_userspace.lds
 
-export CXXFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb 
+export CXXFLAGS := -mcmodel=medany -march=rv64imafdc -mabi=lp64d -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -O0 -ggdb -Werror
 
 export CROSS_COMPILE ?=/opt/gnu-mcu-eclipse/riscv-none-gcc/8.2.0-2.1-20190425-1021/bin/riscv-none-embed-
 
diff --git a/board/stm32f407-st-discovery/config.mk b/board/stm32f407-st-discovery/config.mk
index b4ec43e2..fc7c2afe 100644
--- a/board/stm32f407-st-discovery/config.mk
+++ b/board/stm32f407-st-discovery/config.mk
@@ -1,9 +1,9 @@
 export CROSS_COMPILE ?=/usr/bin/arm-none-eabi-
 
-export CFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Dgcc -O0 -gdwarf-2 -g -fgnu89-inline -Wa,-mimplicit-it=thumb
+export CFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Dgcc -O0 -gdwarf-2 -g -fgnu89-inline -Wa,-mimplicit-it=thumb -Werror
 export AFLAGS := -c -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -x assembler-with-cpp -Wa,-mimplicit-it=thumb  -gdwarf-2
 export LFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Wl,--gc-sections,-Map=XiUOS_stm32f407-st-discovery.map,-cref,-u,Reset_Handler -T $(BSP_ROOT)/link.lds
-export CXXFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Dgcc -O0 -gdwarf-2 -g
+export CXXFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Dgcc -O0 -gdwarf-2 -g -Werror
 
 export APPLFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Wl,--gc-sections,-Map=XiUOS_app.map,-cref,-u, -T $(BSP_ROOT)/link_userspace.lds
 
diff --git a/board/stm32f407zgt6/config.mk b/board/stm32f407zgt6/config.mk
index 7acb077f..fde26e72 100644
--- a/board/stm32f407zgt6/config.mk
+++ b/board/stm32f407zgt6/config.mk
@@ -1,9 +1,9 @@
 export CROSS_COMPILE ?=/usr/bin/arm-none-eabi-
 
-export CFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Dgcc -O0 -gdwarf-2 -g -fgnu89-inline -Wa,-mimplicit-it=thumb
+export CFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Dgcc -O0 -gdwarf-2 -g -fgnu89-inline -Wa,-mimplicit-it=thumb -Werror
 export AFLAGS := -c -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -x assembler-with-cpp -Wa,-mimplicit-it=thumb  -gdwarf-2
 export LFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Wl,--gc-sections,-Map=XiUOS.map,-cref,-u,Reset_Handler -T $(BSP_ROOT)/link.lds
-export CXXFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Dgcc -O0 -gdwarf-2 -g
+export CXXFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Dgcc -O0 -gdwarf-2 -g -Werror
 
 export APPLFLAGS := -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Wl,--gc-sections,-Map=XiUOS_app.map,-cref,-u, -T $(BSP_ROOT)/link_userspace.lds
 
diff --git a/kernel/kernel_service/xs_service.c b/kernel/kernel_service/xs_service.c
index 7d5be1de..7183f28c 100644
--- a/kernel/kernel_service/xs_service.c
+++ b/kernel/kernel_service/xs_service.c
@@ -22,6 +22,9 @@
 #include <string.h>
 #include <xs_ktask.h>
 #include <xs_service.h>
+#include <xs_sem.h>
+#include <xs_memory.h>
+#include <xs_mutex.h>
 
 #ifdef FS_VFS
 #include <iot-vfs_posix.h>
diff --git a/kernel/thread/console.c b/kernel/thread/console.c
index f26afabf..e9a53d51 100644
--- a/kernel/thread/console.c
+++ b/kernel/thread/console.c
@@ -502,7 +502,7 @@ int VsnPrintf(char *buf, int32 size, const char *fmt, va_list args)
             /* Determine the machine word length */
 #ifdef ARCH_CPU_64BIT
             if(sizeof(long) == sizeof(long long))
-                pointer = LonglongToChar(buf, (unsigned long long)va_arg(args, void*), flags, precision, 16, width, 0, pointer, size);
+                pointer = (long)LonglongToChar(buf, (unsigned long)va_arg(args, void*), flags, precision, 16, width, 0, pointer, size);
             else
 #endif
                 pointer = LongToChar(buf, (unsigned long)va_arg(args, void*), flags, precision, 16, width, 0, pointer, size);