diff --git a/BUILD.gn b/BUILD.gn
index 073d508e..86e1f12c 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -49,23 +49,19 @@ declare_args() {
   liteos_config_file = "${ohos_build_type}${tee}.config"
 }
 
-liteos_config_file = rebase_path(liteos_config_file, "", "$product_path/kernel_configs")
+liteos_config_file =
+    rebase_path(liteos_config_file, "", "$product_path/kernel_configs")
 print("liteos_config_file:", liteos_config_file)
 
 exec_script("//build/lite/run_shell_cmd.py",
-            [
-              "env" +
-              " CONFIG_=LOSCFG_" +
-              " KCONFIG_CONFIG_HEADER='y=true'" +
-              " KCONFIG_CONFIG=$liteos_config_file" +
-              " DEVICE_PATH=$device_path" +
-              " srctree=" + rebase_path(".") +
-              " genconfig" +
-              " --header-path $LITEOS_MENUCONFIG_H" +
-              " --file-list kconfig_files.txt" +
-              " --env-list kconfig_env.txt" +
-              " --config-out config.gni",
-            ], "", [ liteos_config_file ])
+            [ "env" + " CONFIG_=LOSCFG_" + " KCONFIG_CONFIG_HEADER='y=true'" +
+                  " KCONFIG_CONFIG=$liteos_config_file" +
+                  " DEVICE_PATH=$device_path" + " srctree=" + rebase_path(".") +
+                  " genconfig" + " --header-path $LITEOS_MENUCONFIG_H" +
+                  " --file-list kconfig_files.txt" +
+                  " --env-list kconfig_env.txt" + " --config-out config.gni" ],
+            "",
+            [ liteos_config_file ])
 
 import("liteos.gni")
 
@@ -113,7 +109,7 @@ config("arch_config") {
   ldflags = cflags
   if (defined(LOSCFG_ARCH_ARM_AARCH32)) {
     if (!defined(LOSCFG_COMPILER_CLANG_LLVM)) {
-      cflags += ["-mthumb-interwork"]
+      cflags += [ "-mthumb-interwork" ]
     }
   }
   if (defined(LOSCFG_THUMB)) {
@@ -127,7 +123,9 @@ config("arch_config") {
 }
 
 config("stdinc_config") {
-  std_include = exec_script("//build/lite/run_shell_cmd.py", [ "$cc -print-file-name=include" ], "trim string")
+  std_include = exec_script("//build/lite/run_shell_cmd.py",
+                            [ "$cc -print-file-name=include" ],
+                            "trim string")
   cflags = [
     "-isystem",
     std_include,
@@ -251,7 +249,7 @@ config("los_config") {
 }
 
 executable("liteos") {
-  configs = [] # clear default configs
+  configs = []  # clear default configs
   configs += [ ":arch_config" ]
   configs += [ ":public" ]
 
@@ -263,13 +261,17 @@ executable("liteos") {
     "-Wl,--no-eh-frame-hdr",
   ]
 
-  libgcc = exec_script("//build/lite/run_shell_cmd.py", [ "$cc -print-libgcc-file-name" ], "trim string")
+  libgcc = exec_script("//build/lite/run_shell_cmd.py",
+                       [ "$cc -print-libgcc-file-name" ],
+                       "trim string")
   libs = [ libgcc ]
   if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
-    ldflags += [ "-Wl,-T" + rebase_path("tools/build/liteos_llvm.ld", root_build_dir) ]
+    ldflags +=
+        [ "-Wl,-T" + rebase_path("tools/build/liteos_llvm.ld", root_build_dir) ]
     inputs = [ "tools/build/liteos_llvm.ld" ]
   } else {
-    ldflags += [ "-Wl,-T" + rebase_path("tools/build/liteos.ld", root_build_dir) ]
+    ldflags +=
+        [ "-Wl,-T" + rebase_path("tools/build/liteos.ld", root_build_dir) ]
     ldflags += [ "-Wl,-nostartfiles" ]
     inputs = [ "tools/build/liteos.ld" ]
   }
@@ -279,8 +281,8 @@ executable("liteos") {
   output_dir = target_out_dir
 
   deps = [
-    "platform:copy_board.ld",
     ":modules",
+    "platform:copy_board.ld",
   ]
 }
 
@@ -298,14 +300,14 @@ build_ext_component("build_kernel_image") {
   objdump = "${compile_prefix}objdump$toolchain_cmd_suffix"
 
   command = "$objcopy -O binary $liteos_name $liteos_name.bin"
-  command += " && sh -c '$objdump -t $liteos_name | sort >$liteos_name.sym.sorted'"
+  command +=
+      " && sh -c '$objdump -t $liteos_name | sort >$liteos_name.sym.sorted'"
   command += " && sh -c '$objdump -d $liteos_name >$liteos_name.asm'"
 }
 
 config("public") {
   configs = [
     "arch:public",
-    "platform:public",
     "kernel:public",
     "compat:public",
     "bsd:public",
@@ -337,15 +339,14 @@ group("modules") {
     "kernel",
     "lib",
     "net",
-    "platform",
     "security",
     "shell",
     "syscall",
   ]
 
   deps += [
-    HDFTOPDIR,
     "//drivers/liteos",
+    HDFTOPDIR,
   ]
 
   if (HAVE_DEVICE_SDK) {
diff --git a/Kconfig b/Kconfig
index 0e985d87..1ba7afc9 100644
--- a/Kconfig
+++ b/Kconfig
@@ -94,15 +94,6 @@ source "platform/Kconfig"
 ######################### config options of cpu arch ################
 source "arch/Kconfig"
 
-######################### config options of rootfs #####################
-source "kernel/common/rootfs/Kconfig"
-######################### config options of patchfs #####################
-source "kernel/common/patchfs/Kconfig"
-######################### config options of blackbox #####################
-source "kernel/common/blackbox/Kconfig"
-######################### config options of hidumper #####################
-source "kernel/common/hidumper/Kconfig"
-
 config QUICK_START
     bool "Enable QUICK_START"
     default n
@@ -123,36 +114,7 @@ endmenu
 
 ######################## config options of filesystem ##################
 menu "FileSystem"
-source "fs/vfs/Kconfig"
-source "fs/fat/Kconfig"
-source "fs/ramfs/Kconfig"
-source "fs/romfs/Kconfig"
-source "fs/nfs/Kconfig"
-source "fs/proc/Kconfig"
-source "fs/jffs2/Kconfig"
-source "fs/zpfs/Kconfig"
-config ENABLE_READ_BUFFER
-    bool "Enable read buffer Option"
-    default n
-    depends on FS_VFS
-    help
-      Answer Y to add enable read buffer Option.
-
-config MAX_VNODE_SIZE
-    int "Vnode max number"
-    range 0 512
-    default 512
-    depends on FS_VFS
-    help
-      vnode number, range from 0 to 512.
-
-config MAX_PATH_CACHE_SIZE
-    int "PathCache max number"
-    range 0 1024
-    default 512
-    depends on FS_VFS
-    help
-      pathCache number, range from 0 to 1024.
+source "fs/Kconfig"
 endmenu
 
 ######################## config options of net ############################
@@ -324,29 +286,10 @@ endmenu
 
 ######################## config options os drivers ########################
 menu "Driver"
-config DRIVERS
-    bool "Enable Driver"
-    default y
-    help
-      Answer Y to enable LiteOS support driver.
-
-source "bsd/dev/usb/Kconfig"
-source "../../drivers/adapter/khdf/liteos/Kconfig"
-
-# Device driver Kconfig import
-source "$(DEVICE_PATH)/drivers/Kconfig"
-
-source "drivers/char/mem/Kconfig"
-source "drivers/char/quickstart/Kconfig"
-source "drivers/char/random/Kconfig"
-source "drivers/char/video/Kconfig"
-source "drivers/char/trace/Kconfig"
-
-source "../../drivers/liteos/tzdriver/Kconfig"
-source "../../drivers/liteos/hievent/Kconfig"
-
+source "drivers/Kconfig"
 endmenu
 
+######################## config options os security #######################
 menu "Security"
 source "security/Kconfig"
 endmenu
diff --git a/arch/arm/arm/Makefile b/arch/arm/arm/Makefile
index 83a241a2..f12ec1cc 100644
--- a/arch/arm/arm/Makefile
+++ b/arch/arm/arm/Makefile
@@ -32,11 +32,6 @@ include $(LITEOSTOPDIR)/config.mk
 MODULE_NAME := $(LOSCFG_ARCH_CPU)
 
 LOCAL_SRCS := $(wildcard src/*.c) $(wildcard src/*.S)
-LOCAL_INCLUDE := \
-	-I $(LITEOSTOPDIR)/kernel/base/include \
-	-I $(LITEOSTOPDIR)/kernel/extended/include \
-	-I $(LITEOSTOPDIR)/kernel/extended/dynload/include \
-	-I $(LITEOSTOPDIR)/arch/arm/arm/include \
 
 ifeq ($(LOSCFG_ARCH_ARM_VER), "armv7-a")
 LOCAL_SRCS += $(wildcard src/armv7a/*.S)
@@ -48,7 +43,7 @@ else
 LOCAL_SRCS += src/startup/reset_vector_up.S
 endif
 
-LOCAL_FLAGS := $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
+LOCAL_FLAGS := $(LITEOS_GCOV_OPTS)
 
 AS_OBJS_LIBC_FLAGS  = -D__ASSEMBLY__
 # linux style macros
diff --git a/arch/arm/gic/Makefile b/arch/arm/gic/Makefile
index 76218e41..376cfa2e 100644
--- a/arch/arm/gic/Makefile
+++ b/arch/arm/gic/Makefile
@@ -31,18 +31,10 @@ include $(LITEOSTOPDIR)/config.mk
 
 MODULE_NAME := $(notdir $(shell pwd))
 
-# LOCAL_SRCS := $(wildcard *.c)
-
 ifeq ($(LOSCFG_ARCH_GIC_V2), y)
 LOCAL_SRCS := gic_v2.c
 else ifeq ($(LOSCFG_ARCH_GIC_V3), y)
 LOCAL_SRCS := gic_v3.c
 endif
 
-LOCAL_INCLUDE := \
-	-I $(LITEOSTOPDIR)/kernel/base/include \
-	-I $(LITEOSTOPDIR)/arch/arm/include \
-	-I $(LITEOSTOPDIR)/arch/arm/arm/src/include \
-
-LOCAL_FLAGS := $(LOCAL_INCLUDE)
 include $(MODULE)
diff --git a/bsd/Makefile b/bsd/Makefile
index e8544349..33101c2c 100644
--- a/bsd/Makefile
+++ b/bsd/Makefile
@@ -41,14 +41,8 @@ LOCAL_SRCS += $(wildcard crypto/rijndael/*.c) \
               $(wildcard crypto/sha2/*.c) \
               $(wildcard dev/random/*.c) \
               $(wildcard libkern/*.c)
-
 endif
 
-LOCAL_INCLUDE := \
-        -I $(LITEOSTOPDIR)/kernel/base/include \
-        -I $(LITEOSTOPDIR)/bsd \
-        -I $(LITEOSTOPDIR)/bsd/kern \
-
-LOCAL_FLAGS := $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
+LOCAL_FLAGS := $(LITEOS_GCOV_OPTS)
 
 include $(MODULE)
diff --git a/bsd/compat/linuxkpi/Makefile b/bsd/compat/linuxkpi/Makefile
index 1b270ae1..1eb41c16 100644
--- a/bsd/compat/linuxkpi/Makefile
+++ b/bsd/compat/linuxkpi/Makefile
@@ -37,10 +37,6 @@ ifneq ($(LOSCFG_HRTIMER_ENABLE), y)
 LOCAL_SRCS := $(filter-out src/linux_hrtimer.c, $(LOCAL_SRCS))
 endif
 
-LOCAL_INCLUDE := \
-        -I $(LITEOSTOPDIR)/kernel/base/include \
-        -I $(LITEOSTOPDIR)/bsd/compat/linuxkpi/include
-
-LOCAL_FLAGS := $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
+LOCAL_FLAGS := $(LITEOS_GCOV_OPTS)
 
 include $(MODULE)
diff --git a/bsd/dev/usb/BUILD.gn b/bsd/dev/usb/BUILD.gn
index e31ba650..205a8f51 100644
--- a/bsd/dev/usb/BUILD.gn
+++ b/bsd/dev/usb/BUILD.gn
@@ -137,14 +137,13 @@ kernel_module(module_name) {
     ]
   }
 
-  configs += [
-    "$HDFTOPDIR:hdf_config"
-  ]
+  configs += [ "$HDFTOPDIR:hdf_config" ]
 
   public_configs = [ ":public" ]
 }
 
 config("public") {
+  defines = [ "USB_DEBUG_VAR=5" ]
   include_dirs = [ "." ]
   include_dirs += [ "$LITEOSTHIRDPARTY/FreeBSD/sys/dev/evdev" ]
 }
diff --git a/compat/posix/Makefile b/compat/posix/Makefile
index c9cd39b0..85c4fedb 100644
--- a/compat/posix/Makefile
+++ b/compat/posix/Makefile
@@ -33,9 +33,7 @@ MODULE_NAME := $(notdir $(shell pwd))
 
 LOCAL_SRCS :=  $(wildcard src/*.c)
 
-LOCAL_INCLUDE := \
-    -I $(LITEOSTOPDIR)/compat/posix/src \
-    -I $(LITEOSTOPDIR)/kernel/base/include \
+LOCAL_INCLUDE := -I $(LITEOSTOPDIR)/compat/posix/src
 
 LOCAL_FLAGS := $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
 
diff --git a/compat/posix/include/time_posix.h b/compat/posix/include/time_posix.h
index df5b3dd7..3f19bde8 100644
--- a/compat/posix/include/time_posix.h
+++ b/compat/posix/include/time_posix.h
@@ -86,6 +86,7 @@ STATIC INLINE VOID OsTick2TimeSpec(struct timespec *tp, UINT32 tick)
 }
 
 int OsTimerCreate(clockid_t, struct ksigevent *__restrict, timer_t *__restrict);
+void OsAdjTime(void);
 
 #ifdef __cplusplus
 #if __cplusplus
diff --git a/drivers/Kconfig b/drivers/Kconfig
new file mode 100644
index 00000000..9810a8e6
--- /dev/null
+++ b/drivers/Kconfig
@@ -0,0 +1,20 @@
+config DRIVERS
+    bool "Enable Driver"
+    default y
+    help
+      Answer Y to enable LiteOS support driver.
+
+source "bsd/dev/usb/Kconfig"
+source "../../drivers/adapter/khdf/liteos/Kconfig"
+
+# Device driver Kconfig import
+source "$(DEVICE_PATH)/drivers/Kconfig"
+
+source "drivers/char/mem/Kconfig"
+source "drivers/char/quickstart/Kconfig"
+source "drivers/char/random/Kconfig"
+source "drivers/char/video/Kconfig"
+source "drivers/char/trace/Kconfig"
+
+source "../../drivers/liteos/tzdriver/Kconfig"
+source "../../drivers/liteos/hievent/Kconfig"
diff --git a/drivers/block/disk/Makefile b/drivers/block/disk/Makefile
index 1a2ddf61..e743b7d5 100644
--- a/drivers/block/disk/Makefile
+++ b/drivers/block/disk/Makefile
@@ -33,8 +33,6 @@ MODULE_NAME := $(notdir $(shell pwd))
 
 LOCAL_SRCS :=  $(wildcard src/*.c)
 
-LOCAL_INCLUDE := \
-
-LOCAL_FLAGS := $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
+LOCAL_FLAGS := $(LITEOS_GCOV_OPTS)
 
 include $(MODULE)
diff --git a/drivers/char/bch/Makefile b/drivers/char/bch/Makefile
index 5b89f50f..76ebc566 100644
--- a/drivers/char/bch/Makefile
+++ b/drivers/char/bch/Makefile
@@ -34,8 +34,7 @@ MODULE_NAME := $(notdir $(shell pwd))
 LOCAL_SRCS :=  $(wildcard $(LITEOSTHIRDPARTY)/NuttX/drivers/bch/*.c)
 
 LOCAL_INCLUDE := \
-	-I $(LITEOSTHIRDPARTY)/NuttX/drivers/bch \
-	-I $(LITEOSTOPDIR)/fs/include \
+	-I $(LITEOSTHIRDPARTY)/NuttX/drivers/bch
 
 LOCAL_FLAGS := $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
 
diff --git a/drivers/char/random/Makefile b/drivers/char/random/Makefile
index edd03c4a..6f43d9ee 100644
--- a/drivers/char/random/Makefile
+++ b/drivers/char/random/Makefile
@@ -37,9 +37,4 @@ ifdef LOSCFG_HW_RANDOM_ENABLE
 LOCAL_SRCS += $(wildcard src/random_hw.c)
 endif
 
-LOCAL_INCLUDE := -I $(LITEOSTOPDIR)/drivers/char/random/include \
-                 -I $(LITEOSTOPDIR)/../../$(LOSCFG_BOARD_CONFIG_PATH)/include
-
-LOCAL_FLAGS := $(LOCAL_INCLUDE)
-
 include $(MODULE)
diff --git a/fs/BUILD.gn b/fs/BUILD.gn
index f148c269..26b27df3 100644
--- a/fs/BUILD.gn
+++ b/fs/BUILD.gn
@@ -35,9 +35,11 @@ group("fs") {
     "fat/virpart",
     "jffs2",
     "nfs",
+    "patchfs",
     "proc",
     "ramfs",
     "romfs",
+    "rootfs",
     "vfs",
     "vfs/bcache",
     "zpfs",
@@ -52,5 +54,7 @@ config("public") {
     "fat:public",
     "fat/virpart:public",
     "proc:public",
+    "patchfs:public",
+    "rootfs:public",
   ]
 }
diff --git a/fs/Kconfig b/fs/Kconfig
new file mode 100644
index 00000000..13deaebe
--- /dev/null
+++ b/fs/Kconfig
@@ -0,0 +1,10 @@
+source "fs/vfs/Kconfig"
+source "fs/fat/Kconfig"
+source "fs/ramfs/Kconfig"
+source "fs/romfs/Kconfig"
+source "fs/nfs/Kconfig"
+source "fs/proc/Kconfig"
+source "fs/jffs2/Kconfig"
+source "fs/rootfs/Kconfig"
+source "fs/patchfs/Kconfig"
+source "fs/zpfs/Kconfig"
\ No newline at end of file
diff --git a/kernel/common/patchfs/BUILD.gn b/fs/patchfs/BUILD.gn
similarity index 100%
rename from kernel/common/patchfs/BUILD.gn
rename to fs/patchfs/BUILD.gn
diff --git a/kernel/common/patchfs/Kconfig b/fs/patchfs/Kconfig
similarity index 100%
rename from kernel/common/patchfs/Kconfig
rename to fs/patchfs/Kconfig
diff --git a/kernel/common/patchfs/Makefile b/fs/patchfs/Makefile
similarity index 100%
rename from kernel/common/patchfs/Makefile
rename to fs/patchfs/Makefile
diff --git a/kernel/common/patchfs/los_partition_utils.c b/fs/patchfs/los_partition_utils.c
similarity index 100%
rename from kernel/common/patchfs/los_partition_utils.c
rename to fs/patchfs/los_partition_utils.c
diff --git a/kernel/common/patchfs/los_partition_utils.h b/fs/patchfs/los_partition_utils.h
similarity index 100%
rename from kernel/common/patchfs/los_partition_utils.h
rename to fs/patchfs/los_partition_utils.h
diff --git a/kernel/common/patchfs/los_patchfs.c b/fs/patchfs/los_patchfs.c
similarity index 100%
rename from kernel/common/patchfs/los_patchfs.c
rename to fs/patchfs/los_patchfs.c
diff --git a/kernel/common/patchfs/los_patchfs.h b/fs/patchfs/los_patchfs.h
similarity index 100%
rename from kernel/common/patchfs/los_patchfs.h
rename to fs/patchfs/los_patchfs.h
diff --git a/kernel/common/rootfs/BUILD.gn b/fs/rootfs/BUILD.gn
similarity index 100%
rename from kernel/common/rootfs/BUILD.gn
rename to fs/rootfs/BUILD.gn
diff --git a/kernel/common/rootfs/Kconfig b/fs/rootfs/Kconfig
similarity index 100%
rename from kernel/common/rootfs/Kconfig
rename to fs/rootfs/Kconfig
diff --git a/kernel/common/rootfs/Makefile b/fs/rootfs/Makefile
similarity index 100%
rename from kernel/common/rootfs/Makefile
rename to fs/rootfs/Makefile
diff --git a/kernel/common/rootfs/los_bootargs.c b/fs/rootfs/los_bootargs.c
similarity index 94%
rename from kernel/common/rootfs/los_bootargs.c
rename to fs/rootfs/los_bootargs.c
index 3f54115c..82d02c22 100644
--- a/kernel/common/rootfs/los_bootargs.c
+++ b/fs/rootfs/los_bootargs.c
@@ -48,7 +48,7 @@ STATIC CHAR *g_cmdLine = NULL;
 STATIC UINT64 g_alignSize = 0;
 STATIC struct BootArgs g_bootArgs[MAX_ARGS_NUM] = {0};
 
-INT32 LOS_GetCmdLine()
+INT32 LOS_GetCmdLine(VOID)
 {
     int ret;
 
@@ -118,7 +118,7 @@ ERROUT:
     return LOS_NOK;
 }
 
-VOID LOS_FreeCmdLine()
+VOID LOS_FreeCmdLine(VOID)
 {
     if (g_cmdLine != NULL) {
         free(g_cmdLine);
@@ -155,7 +155,7 @@ STATIC INT32 GetBootargs(CHAR **args)
 #endif
 }
 
-INT32 LOS_ParseBootargs()
+INT32 LOS_ParseBootargs(VOID)
 {
     INT32 idx = 0;
     INT32 ret;
@@ -204,7 +204,7 @@ INT32 LOS_GetArgValue(CHAR *argName, CHAR **argValue)
     return LOS_NOK;
 }
 
-UINT64 LOS_GetAlignsize()
+UINT64 LOS_GetAlignsize(VOID)
 {
     return g_alignSize;
 }
diff --git a/kernel/common/rootfs/los_bootargs.h b/fs/rootfs/los_bootargs.h
similarity index 100%
rename from kernel/common/rootfs/los_bootargs.h
rename to fs/rootfs/los_bootargs.h
diff --git a/kernel/common/rootfs/los_rootfs.c b/fs/rootfs/los_rootfs.c
similarity index 96%
rename from kernel/common/rootfs/los_rootfs.c
rename to fs/rootfs/los_rootfs.c
index 0c53cf5d..58cbce12 100644
--- a/kernel/common/rootfs/los_rootfs.c
+++ b/fs/rootfs/los_rootfs.c
@@ -321,7 +321,6 @@ STATIC INT32 MountPartitions(CHAR *fsType, UINT32 mountFlags)
 STATIC INT32 CheckValidation(UINT64 rootAddr, UINT64 rootSize, UINT64 userAddr, UINT64 userSize)
 {
     UINT64 alignSize = LOS_GetAlignsize();
-
     if (alignSize == 0) {
         return LOS_OK;
     }
diff --git a/kernel/common/rootfs/los_rootfs.h b/fs/rootfs/los_rootfs.h
similarity index 100%
rename from kernel/common/rootfs/los_rootfs.h
rename to fs/rootfs/los_rootfs.h
diff --git a/fs/vfs/Kconfig b/fs/vfs/Kconfig
index 05990b51..d81e15cd 100644
--- a/fs/vfs/Kconfig
+++ b/fs/vfs/Kconfig
@@ -18,3 +18,26 @@ config FILE_MODE
     depends on FS_VFS
     help
       Answer Y to enable LiteOS support file mode.
+
+config ENABLE_READ_BUFFER
+    bool "Enable read buffer Option"
+    default n
+    depends on FS_VFS
+    help
+      Answer Y to add enable read buffer Option.
+
+config MAX_VNODE_SIZE
+    int "Vnode max number"
+    range 0 512
+    default 512
+    depends on FS_VFS
+    help
+      vnode number, range from 0 to 512.
+
+config MAX_PATH_CACHE_SIZE
+    int "PathCache max number"
+    range 0 1024
+    default 512
+    depends on FS_VFS
+    help
+      pathCache number, range from 0 to 1024.
\ No newline at end of file
diff --git a/kernel/Kconfig b/kernel/Kconfig
index 8c3f4cf7..c5564597 100644
--- a/kernel/Kconfig
+++ b/kernel/Kconfig
@@ -53,171 +53,7 @@ config KERNEL_SYSCALL
     help
       This option will enable syscall.
 
-config KERNEL_EXTKERNEL
-    bool "Enable Extend Kernel"
-    default y
-    help
-      This option will enable extend Kernel of LiteOS.  Extend kernel include
-      cppsupport, cpup, and dynload. You can select one or some
-      of them.
-
-config KERNEL_CPPSUPPORT
-    bool "C++ Support"
-    default y
-    depends on KERNEL_EXTKERNEL
-    help
-      If you wish to build LiteOS with support for C++.
-
-config KERNEL_CPUP
-    bool "Enable Cpup"
-    default y
-    depends on KERNEL_EXTKERNEL
-    help
-      If you wish to build LiteOS with support for cpup.
-
-config CPUP_INCLUDE_IRQ
-    bool "Enable Cpup include irq"
-    default y
-    depends on KERNEL_CPUP
-    help
-      If you wish to include irq usage for cpup.
-
-config KERNEL_DYNLOAD
-    bool "Enable Dynamic Load Feature"
-    default y
-    depends on KERNEL_EXTKERNEL && KERNEL_VM && KERNEL_SYSCALL
-    help
-      If you wish to build LiteOS with support for dynamic load.
-
-config KERNEL_PM
-    bool "Enable Power Management"
-    default y
-    depends on KERNEL_EXTKERNEL
-    help
-      If you wish to build LiteOS with support for power management.
-
-config ASLR
-    bool "Enable Address Space Layout Randomization"
-    default n
-    depends on KERNEL_DYNLOAD && HW_RANDOM_ENABLE
-    help
-      If you wish to enable ASLR for user aspace.
-
-config KERNEL_VDSO
-    bool "Enable VDSO Feature"
-    default n
-    depends on KERNEL_EXTKERNEL && KERNEL_VM && KERNEL_SYSCALL
-    help
-      If you wish to speed up some system calls.
-
-config KERNEL_HOOK
-    bool "Enable Hook Feature"
-    default n
-    depends on KERNEL_EXTKERNEL && DEBUG_VERSION
-
-config KERNEL_TRACE
-    bool "Enable Trace Feature"
-    default n
-    depends on KERNEL_HOOK
-
-config TRACE_MSG_EXTEND
-    bool "Enable Record more extended content"
-    default n
-    depends on KERNEL_TRACE
-
-config TRACE_FRAME_CORE_MSG
-    bool "Record cpuid, hardware interrupt status, task lock status"
-    default n
-    depends on TRACE_MSG_EXTEND
-
-config TRACE_FRAME_EVENT_COUNT
-    bool "Record event count, which indicate the sequence of happend events"
-    default n
-    depends on TRACE_MSG_EXTEND
-
-config TRACE_FRAME_MAX_PARAMS
-    int "Record max params"
-    default 3
-    depends on KERNEL_TRACE
-    help
-      Make sure the max value is bigger than the number defined by each #MODULE#_#TYPE#_PARMAS in los_trace.h, e.g. TASK_SWITCH_PARAMS
-
-choice
-    prompt "Trace work mode"
-    default RECORDER_MODE_OFFLINE
-    depends on KERNEL_TRACE
-
-config RECORDER_MODE_ONLINE
-    bool "Online mode"
-    select TRACE_CLIENT_INTERACT
-
-config RECORDER_MODE_OFFLINE
-    bool "Offline mode"
-
-endchoice
-
-config TRACE_BUFFER_SIZE
-    int "Trace record buffer size"
-    default 10000
-
-config TRACE_CLIENT_INTERACT
-    bool "Enable Trace Client Visualization and Control"
-    default n
-    depends on KERNEL_TRACE
-
-choice
-    prompt "Trace Pipeline for Data Transmission"
-    depends on TRACE_CLIENT_INTERACT
-
-config TRACE_PIPELINE_SERIAL
-    bool "Via Serial"
-
-endchoice
-
-choice
-    prompt "Trace Control"
-    default TRACE_CONTROL_VIA_SHELL
-    depends on TRACE_CLIENT_INTERACT
-    help
-      If you wish to control Trace's start/stop etc.,dynamically by Trace Client.
-
-config TRACE_CONTROL_VIA_SHELL
-    bool "Via Shell"
-    select LOSCFG_SHELL
-
-config TRACE_CONTROL_AGENT
-    bool "Via Trace Agent Task"
-
-config TRACE_NO_CONTROL
-    bool "No Control"
-
-endchoice
-
-config KERNEL_SHM
-    bool "Enable Shared Memory"
-    default y
-    depends on KERNEL_EXTKERNEL && KERNEL_VM && KERNEL_SYSCALL
-    help
-      Answer Y to enable LiteOS support shared memory.
-
-config KERNEL_LITEIPC
-    bool "Enable liteipc"
-    default y
-    depends on KERNEL_EXTKERNEL && KERNEL_VM
-    help
-      Answer Y to enable LiteOS support liteipc.
-
-config KERNEL_PIPE
-    bool "Enable pipes"
-    default y
-    depends on KERNEL_EXTKERNEL
-    help
-      Answer Y to enable LiteOS support pipes.
-
-config BASE_CORE_HILOG
-    bool "Enable Hilog"
-    default y
-    help
-      If you wish to include hilog.
+######################### config options of extended #####################
+source "kernel/extended/Kconfig"
 
 endmenu
diff --git a/kernel/base/vm/oom.c b/kernel/base/vm/oom.c
index 176429d5..72996781 100644
--- a/kernel/base/vm/oom.c
+++ b/kernel/base/vm/oom.c
@@ -29,7 +29,6 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "sys_config.h"
 #include "los_oom.h"
 #include "los_init.h"
 #include "los_vm_dump.h"
diff --git a/kernel/common/BUILD.gn b/kernel/common/BUILD.gn
index 02da36bc..476ab6d7 100644
--- a/kernel/common/BUILD.gn
+++ b/kernel/common/BUILD.gn
@@ -29,20 +29,27 @@
 
 import("//kernel/liteos_a/liteos.gni")
 
-group("common") {
-  deps = [
-    "blackbox",
-    "hidumper",
-    "patchfs",
-    "rootfs",
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [
+    "los_config.c",
+    "los_excinfo.c",
+    "los_init.c",
+    "los_magickey.c",
+    "los_printf.c",
+    "main.c",
   ]
+
+  if (defined(LOSCFG_FS_VFS)) {
+    sources += [
+      "console.c",
+      "virtual_serial.c",
+    ]
+  }
+
+  public_configs = [ ":public" ]
 }
 
 config("public") {
-  configs = [
-    "blackbox:public",
-    "hidumper:public",
-    "patchfs:public",
-    "rootfs:public",
-  ]
+  include_dirs = [ "." ]
 }
diff --git a/kernel/common/Makefile b/kernel/common/Makefile
new file mode 100644
index 00000000..0bfc44e8
--- /dev/null
+++ b/kernel/common/Makefile
@@ -0,0 +1,46 @@
+# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+include $(LITEOSTOPDIR)/config.mk
+
+MODULE_NAME := common
+
+LOCAL_SRCS = $(wildcard ./main.c)
+
+LOCAL_INCLUDE += -I $(LITEOSTOPDIR)/compat/posix/src \
+                 -I $(LITEOSTOPDIR)/bsd/dev/random
+
+LOCAL_SRCS += $(wildcard *.c)	
+ifneq ($(LOSCFG_FS_VFS), y)
+LOCAL_SRCS := $(filter-out console.c virtual_serial.c, $(LOCAL_SRCS))
+endif
+
+LOCAL_FLAGS := $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
+
+include $(MODULE)
diff --git a/platform/console.c b/kernel/common/console.c
similarity index 100%
rename from platform/console.c
rename to kernel/common/console.c
diff --git a/platform/console.h b/kernel/common/console.h
similarity index 99%
rename from platform/console.h
rename to kernel/common/console.h
index 68018385..25122e83 100644
--- a/platform/console.h
+++ b/kernel/common/console.h
@@ -40,7 +40,7 @@
 #include "telnet_dev.h"
 #endif
 #include "virtual_serial.h"
-#include "los_cir_buf_pri.h"
+#include "los_cir_buf.h"
 #endif
 
 #ifdef __cplusplus
diff --git a/platform/los_config.c b/kernel/common/los_config.c
similarity index 99%
rename from platform/los_config.c
rename to kernel/common/los_config.c
index 3096dc07..708e7047 100644
--- a/platform/los_config.c
+++ b/kernel/common/los_config.c
@@ -51,6 +51,9 @@
 #include "los_tick.h"
 #include "los_vm_boot.h"
 #include "los_smp.h"
+#ifdef LOSCFG_ENABLE_KERNEL_TEST
+#include "los_test_pri.h"
+#endif
 
 STATIC SystemRebootFunc g_rebootHook = NULL;
 
@@ -294,7 +297,6 @@ STATIC UINT32 OsSystemInitTaskCreate(VOID)
 #ifndef LOSCFG_ENABLE_KERNEL_TEST
     sysTask.pfnTaskEntry = (TSK_ENTRY_FUNC)SystemInit;
 #else
-    extern void TestSystemInit(void);
     sysTask.pfnTaskEntry = (TSK_ENTRY_FUNC)TestSystemInit;
 #endif
     sysTask.uwStackSize = LOSCFG_BASE_CORE_TSK_DEFAULT_STACK_SIZE;
diff --git a/platform/los_config.h b/kernel/common/los_config.h
similarity index 99%
rename from platform/los_config.h
rename to kernel/common/los_config.h
index e1ecf20d..5e787d18 100644
--- a/platform/los_config.h
+++ b/kernel/common/los_config.h
@@ -38,7 +38,6 @@
 
 #include "los_tick.h"
 #include "los_vm_zone.h"
-#include "sys_config.h"
 
 #ifdef __cplusplus
 #if __cplusplus
diff --git a/platform/los_excinfo.c b/kernel/common/los_excinfo.c
similarity index 100%
rename from platform/los_excinfo.c
rename to kernel/common/los_excinfo.c
diff --git a/platform/los_excinfo_pri.h b/kernel/common/los_excinfo_pri.h
similarity index 100%
rename from platform/los_excinfo_pri.h
rename to kernel/common/los_excinfo_pri.h
diff --git a/platform/los_init.c b/kernel/common/los_init.c
similarity index 100%
rename from platform/los_init.c
rename to kernel/common/los_init.c
diff --git a/platform/los_init_info.h b/kernel/common/los_init_info.h
similarity index 100%
rename from platform/los_init_info.h
rename to kernel/common/los_init_info.h
diff --git a/platform/los_init_pri.h b/kernel/common/los_init_pri.h
similarity index 100%
rename from platform/los_init_pri.h
rename to kernel/common/los_init_pri.h
diff --git a/platform/los_magickey.c b/kernel/common/los_magickey.c
similarity index 100%
rename from platform/los_magickey.c
rename to kernel/common/los_magickey.c
diff --git a/platform/los_magickey.h b/kernel/common/los_magickey.h
similarity index 100%
rename from platform/los_magickey.h
rename to kernel/common/los_magickey.h
diff --git a/platform/los_printf.c b/kernel/common/los_printf.c
similarity index 100%
rename from platform/los_printf.c
rename to kernel/common/los_printf.c
diff --git a/platform/main.c b/kernel/common/main.c
similarity index 100%
rename from platform/main.c
rename to kernel/common/main.c
diff --git a/platform/virtual_serial.c b/kernel/common/virtual_serial.c
similarity index 100%
rename from platform/virtual_serial.c
rename to kernel/common/virtual_serial.c
diff --git a/platform/virtual_serial.h b/kernel/common/virtual_serial.h
similarity index 100%
rename from platform/virtual_serial.h
rename to kernel/common/virtual_serial.h
diff --git a/kernel/extended/BUILD.gn b/kernel/extended/BUILD.gn
index 2acf20b9..a05c9097 100644
--- a/kernel/extended/BUILD.gn
+++ b/kernel/extended/BUILD.gn
@@ -31,14 +31,16 @@ import("//kernel/liteos_a/liteos.gni")
 
 group("extended") {
   deps = [
+    "blackbox",
     "cppsupport",
     "cpup",
     "dynload",
+    "hidumper",
     "hilog",
+    "hook",
     "liteipc",
     "pipes",
     "power",
-    "hook",
     "trace",
     "vdso",
   ]
@@ -46,12 +48,14 @@ group("extended") {
 
 config("public") {
   configs = [
+    "blackbox:public",
     "cpup:public",
     "dynload:public",
-    "vdso:public",
+    "hidumper:public",
+    "hilog:public",
     "hook:public",
     "liteipc:public",
     "pipes:public",
-    "hilog:public",
+    "vdso:public",
   ]
 }
diff --git a/kernel/extended/Kconfig b/kernel/extended/Kconfig
new file mode 100644
index 00000000..2bd98c90
--- /dev/null
+++ b/kernel/extended/Kconfig
@@ -0,0 +1,98 @@
+config KERNEL_EXTKERNEL
+    bool "Enable Extend Kernel"
+    default y
+    help
+      This option will enable extend Kernel of LiteOS.  Extend kernel include
+      cppsupport, cpup, and dynload. You can select one or some
+      of them.
+
+config KERNEL_CPPSUPPORT
+    bool "Enable C++ Support"
+    default y
+    depends on KERNEL_EXTKERNEL
+    help
+      If you wish to build LiteOS with support for C++.
+
+config KERNEL_CPUP
+    bool "Enable Cpup"
+    default y
+    depends on KERNEL_EXTKERNEL
+    help
+      If you wish to build LiteOS with support for cpup.
+
+config CPUP_INCLUDE_IRQ
+    bool "Enable Cpup include irq"
+    default y
+    depends on KERNEL_CPUP
+    help
+      If you wish to include irq usage for cpup.
+
+config KERNEL_DYNLOAD
+    bool "Enable Dynamic Load Feature"
+    default y
+    depends on KERNEL_EXTKERNEL && KERNEL_VM && KERNEL_SYSCALL
+    help
+      If you wish to build LiteOS with support for dynamic load.
+
+config ASLR
+    bool "Enable Address Space Layout Randomization"
+    default n
+    depends on KERNEL_DYNLOAD && HW_RANDOM_ENABLE
+    help
+      If you wish to enable ASLR for user aspace.
+
+config KERNEL_PM
+    bool "Enable Power Management"
+    default y
+    depends on KERNEL_EXTKERNEL
+    help
+      If you wish to build LiteOS with support for power management.
+
+config KERNEL_VDSO
+    bool "Enable VDSO Feature"
+    default n
+    depends on KERNEL_EXTKERNEL && KERNEL_VM && KERNEL_SYSCALL
+    help
+      If you wish to speed up some system calls.
+
+config KERNEL_SHM
+    bool "Enable Shared Memory"
+    default y
+    depends on KERNEL_EXTKERNEL && KERNEL_VM && KERNEL_SYSCALL
+    help
+      Answer Y to enable LiteOS support shared memory.
+
+config KERNEL_LITEIPC
+    bool "Enable liteipc"
+    default y
+    depends on KERNEL_EXTKERNEL && KERNEL_VM
+    help
+      Answer Y to enable LiteOS support liteipc.
+
+config KERNEL_PIPE
+    bool "Enable pipes"
+    default y
+    depends on KERNEL_EXTKERNEL
+    help
+      Answer Y to enable LiteOS support pipes.
+
+config BASE_CORE_HILOG
+    bool "Enable Hilog"
+    default y
+    depends on KERNEL_EXTKERNEL
+    help
+      If you wish to include hilog.
+
+config KERNEL_HOOK
+    bool "Enable Hook Feature"
+    default n
+    depends on KERNEL_EXTKERNEL && DEBUG_VERSION
+
+######################### config options of trace #########################
+source "kernel/extended/trace/Kconfig"
+
+######################### config options of blackbox #########################
+source "kernel/extended/blackbox/Kconfig"
+
+######################### config options of hidumper #########################
+source "kernel/extended/hidumper/Kconfig"
diff --git a/kernel/common/blackbox/BUILD.gn b/kernel/extended/blackbox/BUILD.gn
similarity index 100%
rename from kernel/common/blackbox/BUILD.gn
rename to kernel/extended/blackbox/BUILD.gn
diff --git a/kernel/common/blackbox/Kconfig b/kernel/extended/blackbox/Kconfig
similarity index 96%
rename from kernel/common/blackbox/Kconfig
rename to kernel/extended/blackbox/Kconfig
index 34807c59..0a06a656 100644
--- a/kernel/common/blackbox/Kconfig
+++ b/kernel/extended/blackbox/Kconfig
@@ -1,6 +1,7 @@
 config BLACKBOX
     bool "Enable BlackBox"
     default n
+    depends on KERNEL_EXTKERNEL
     help
       Answer Y to enable LiteOS support blackbox
 
diff --git a/kernel/common/blackbox/Makefile b/kernel/extended/blackbox/Makefile
similarity index 100%
rename from kernel/common/blackbox/Makefile
rename to kernel/extended/blackbox/Makefile
diff --git a/kernel/common/blackbox/los_blackbox.h b/kernel/extended/blackbox/los_blackbox.h
similarity index 99%
rename from kernel/common/blackbox/los_blackbox.h
rename to kernel/extended/blackbox/los_blackbox.h
index 87baabe2..5afd3e7d 100644
--- a/kernel/common/blackbox/los_blackbox.h
+++ b/kernel/extended/blackbox/los_blackbox.h
@@ -31,15 +31,15 @@
 #ifndef LOS_BLACKBOX_H
 #define LOS_BLACKBOX_H
 
+#include "stdarg.h"
+#include "los_typedef.h"
+
 #ifdef __cplusplus
 #if __cplusplus
 extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-#include "stdarg.h"
-#include "los_typedef.h"
-
 #define PATH_MAX_LEN          256
 #define EVENT_MAX_LEN         32
 #define MODULE_MAX_LEN        32
diff --git a/kernel/common/blackbox/los_blackbox_common.c b/kernel/extended/blackbox/los_blackbox_common.c
similarity index 98%
rename from kernel/common/blackbox/los_blackbox_common.c
rename to kernel/extended/blackbox/los_blackbox_common.c
index 18cc1d2f..3e3ef8e6 100644
--- a/kernel/common/blackbox/los_blackbox_common.c
+++ b/kernel/extended/blackbox/los_blackbox_common.c
@@ -98,7 +98,7 @@ int FullWriteFile(const char *filePath, const char *buf, size_t bufSize, int isA
 #endif
 }
 
-int SaveBasicErrorInfo(const char *filePath, struct ErrorInfo *info)
+int SaveBasicErrorInfo(const char *filePath, const struct ErrorInfo *info)
 {
     char *buf = NULL;
 
diff --git a/kernel/common/blackbox/los_blackbox_common.h b/kernel/extended/blackbox/los_blackbox_common.h
similarity index 96%
rename from kernel/common/blackbox/los_blackbox_common.h
rename to kernel/extended/blackbox/los_blackbox_common.h
index 21fdb7e8..cfbb28a8 100644
--- a/kernel/common/blackbox/los_blackbox_common.h
+++ b/kernel/extended/blackbox/los_blackbox_common.h
@@ -31,16 +31,16 @@
 #ifndef LOS_BLACKBOX_COMMON_H
 #define LOS_BLACKBOX_COMMON_H
 
+#include "los_blackbox.h"
+#include "los_printf.h"
+#include "los_typedef.h"
+
 #ifdef __cplusplus
 #if __cplusplus
 extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-#include "los_blackbox.h"
-#include "los_printf.h"
-#include "los_typedef.h"
-
 #define ERROR_INFO_HEADER_FORMAT     "#### error info ####\nevent: %s\nmodule: %s\nerrorDesc: %s\n"
 #define ERROR_INFO_MAX_LEN           768
 #define Min(a, b)                    (((a) > (b)) ? (b) : (a))
@@ -49,7 +49,7 @@ extern "C" {
 #define BBOX_PRINT_INFO(format, ...) PRINTK("bbox: Info: " format, ##__VA_ARGS__)
 
 int FullWriteFile(const char *filePath, const char *buf, size_t bufSize, int isAppend);
-int SaveBasicErrorInfo(const char *filePath, struct ErrorInfo *info);
+int SaveBasicErrorInfo(const char *filePath, const struct ErrorInfo *info);
 int CreateLogDir(const char *dirPath);
 bool IsLogPartReady(void);
 
diff --git a/kernel/common/blackbox/los_blackbox_core.c b/kernel/extended/blackbox/los_blackbox_core.c
similarity index 97%
rename from kernel/common/blackbox/los_blackbox_core.c
rename to kernel/extended/blackbox/los_blackbox_core.c
index bf5e74de..6e0fef4e 100644
--- a/kernel/common/blackbox/los_blackbox_core.c
+++ b/kernel/extended/blackbox/los_blackbox_core.c
@@ -70,9 +70,9 @@ struct ErrorInfo *g_tempErrInfo;
 
 /* ------------ function definitions ------------ */
 static void FormatErrorInfo(struct ErrorInfo *info,
-    const char event[EVENT_MAX_LEN],
-    const char module[MODULE_MAX_LEN],
-    const char errorDesc[ERROR_DESC_MAX_LEN])
+                            const char event[EVENT_MAX_LEN],
+                            const char module[MODULE_MAX_LEN],
+                            const char errorDesc[ERROR_DESC_MAX_LEN])
 {
     if (info == NULL || event == NULL || module == NULL || errorDesc == NULL) {
         BBOX_PRINT_ERR("info: %p, event: %p, module: %p, errorDesc: %p!\n", info, event, module, errorDesc);
@@ -136,7 +136,7 @@ static bool FindModuleOps(struct ErrorInfo *info, BBoxOps **ops)
     return found;
 }
 
-static void InvokeModuleOps(struct ErrorInfo *info, BBoxOps *ops)
+static void InvokeModuleOps(struct ErrorInfo *info, const BBoxOps *ops)
 {
     if (info == NULL || ops == NULL) {
         BBOX_PRINT_ERR("info: %p, ops: %p!\n", info, ops);
@@ -203,7 +203,7 @@ static void SaveLastLog(const char *logDir)
             }
         } else {
             BBOX_PRINT_ERR("module [%s], GetLastLogInfo: %p, SaveLastLog: %p!\n",
-                 ops->ops.module, ops->ops.GetLastLogInfo, ops->ops.SaveLastLog);
+                           ops->ops.module, ops->ops.GetLastLogInfo, ops->ops.SaveLastLog);
         }
     }
     (void)LOS_SemPost(g_opsListSem);
diff --git a/kernel/common/blackbox/los_blackbox_detector.c b/kernel/extended/blackbox/los_blackbox_detector.c
similarity index 100%
rename from kernel/common/blackbox/los_blackbox_detector.c
rename to kernel/extended/blackbox/los_blackbox_detector.c
diff --git a/kernel/common/blackbox/los_blackbox_detector.h b/kernel/extended/blackbox/los_blackbox_detector.h
similarity index 99%
rename from kernel/common/blackbox/los_blackbox_detector.h
rename to kernel/extended/blackbox/los_blackbox_detector.h
index f6714aad..9e630d52 100644
--- a/kernel/common/blackbox/los_blackbox_detector.h
+++ b/kernel/extended/blackbox/los_blackbox_detector.h
@@ -31,14 +31,14 @@
 #ifndef LOS_BLACKBOX_DETECTOR_H
 #define LOS_BLACKBOX_DETECTOR_H
 
+#include "los_typedef.h"
+
 #ifdef __cplusplus
 #if __cplusplus
 extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-#include "los_typedef.h"
-
 int UploadEventByFile(const char *filePath);
 int UploadEventByStream(const char *buf, size_t bufSize);
 
diff --git a/kernel/common/blackbox/los_blackbox_system_adapter.c b/kernel/extended/blackbox/los_blackbox_system_adapter.c
similarity index 99%
rename from kernel/common/blackbox/los_blackbox_system_adapter.c
rename to kernel/extended/blackbox/los_blackbox_system_adapter.c
index c760ef44..647d5858 100644
--- a/kernel/common/blackbox/los_blackbox_system_adapter.c
+++ b/kernel/extended/blackbox/los_blackbox_system_adapter.c
@@ -218,7 +218,7 @@ static int SaveLastLog(const char *logDir, struct ErrorInfo *info)
 #ifdef LOSCFG_BLACKBOX_TEST
 static void BBoxTest(void)
 {
-      struct ModuleOps ops = {
+    struct ModuleOps ops = {
         .module = "MODULE_TEST",
         .Dump = NULL,
         .Reset = NULL,
diff --git a/kernel/common/blackbox/los_blackbox_system_adapter.h b/kernel/extended/blackbox/los_blackbox_system_adapter.h
similarity index 99%
rename from kernel/common/blackbox/los_blackbox_system_adapter.h
rename to kernel/extended/blackbox/los_blackbox_system_adapter.h
index eb61bf83..2f1e7128 100644
--- a/kernel/common/blackbox/los_blackbox_system_adapter.h
+++ b/kernel/extended/blackbox/los_blackbox_system_adapter.h
@@ -31,15 +31,15 @@
 #ifndef LOS_BLACKBOX_SYSTEM_ADAPTER_H
 #define LOS_BLACKBOX_SYSTEM_ADAPTER_H
 
+#include "los_blackbox.h"
+#include "los_blackbox_common.h"
+
 #ifdef __cplusplus
 #if __cplusplus
 extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-#include "los_blackbox.h"
-#include "los_blackbox_common.h"
-
 int OsBBoxSystemAdapterInit(void);
 
 #ifdef __cplusplus
diff --git a/kernel/extended/dynload/Makefile b/kernel/extended/dynload/Makefile
index 28d86ed1..6d719c2c 100644
--- a/kernel/extended/dynload/Makefile
+++ b/kernel/extended/dynload/Makefile
@@ -34,7 +34,7 @@ MODULE_NAME := $(notdir $(shell pwd))
 LOCAL_SRCS := $(wildcard src/*.c)
 
 LOCAL_INCLUDE := \
-        -I $(LITEOSTOPDIR)/kernel/base/include -I $(LITEOSTOPDIR)/kernel/extended/include \
+        -I $(LITEOSTOPDIR)/kernel/base/include \
         -I $(LITEOSTOPDIR)/fs/include
 
 LOCAL_FLAGS := $(LITEOS_CFLAGS_INTERWORK) $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
diff --git a/kernel/common/hidumper/BUILD.gn b/kernel/extended/hidumper/BUILD.gn
similarity index 100%
rename from kernel/common/hidumper/BUILD.gn
rename to kernel/extended/hidumper/BUILD.gn
diff --git a/kernel/common/hidumper/Kconfig b/kernel/extended/hidumper/Kconfig
similarity index 78%
rename from kernel/common/hidumper/Kconfig
rename to kernel/extended/hidumper/Kconfig
index b15d50a8..068290fc 100644
--- a/kernel/common/hidumper/Kconfig
+++ b/kernel/extended/hidumper/Kconfig
@@ -1,5 +1,6 @@
 config HIDUMPER
     bool "Enable hidumper"
     default n
+    depends on KERNEL_EXTKERNEL
     help
       Answer Y to enable LiteOS support hidumper
diff --git a/kernel/common/hidumper/Makefile b/kernel/extended/hidumper/Makefile
similarity index 100%
rename from kernel/common/hidumper/Makefile
rename to kernel/extended/hidumper/Makefile
diff --git a/kernel/common/hidumper/los_hidumper.c b/kernel/extended/hidumper/los_hidumper.c
similarity index 100%
rename from kernel/common/hidumper/los_hidumper.c
rename to kernel/extended/hidumper/los_hidumper.c
diff --git a/kernel/common/hidumper/los_hidumper.h b/kernel/extended/hidumper/los_hidumper.h
similarity index 100%
rename from kernel/common/hidumper/los_hidumper.h
rename to kernel/extended/hidumper/los_hidumper.h
diff --git a/kernel/extended/hilog/BUILD.gn b/kernel/extended/hilog/BUILD.gn
index 16e05fe9..b925ff76 100644
--- a/kernel/extended/hilog/BUILD.gn
+++ b/kernel/extended/hilog/BUILD.gn
@@ -32,7 +32,10 @@ import("//kernel/liteos_a/liteos.gni")
 module_switch = defined(LOSCFG_BASE_CORE_HILOG)
 module_name = get_path_info(rebase_path("."), "name")
 kernel_module(module_name) {
-  sources = [ "//base/hiviewdfx/hilog_lite/frameworks/featured/hiview_log.c" ]
+  sources = [
+    "//base/hiviewdfx/hilog_lite/frameworks/featured/hiview_log.c",
+    "los_hilog.c",
+  ]
 
   public_configs = [ ":public" ]
 }
@@ -41,5 +44,6 @@ config("public") {
   include_dirs = [
     "//base/hiviewdfx/hilog_lite/interfaces/native/kits",
     "//base/hiviewdfx/hilog_lite/interfaces/native/kits/hilog",
+    ".",
   ]
 }
diff --git a/kernel/extended/hilog/Makefile b/kernel/extended/hilog/Makefile
new file mode 100644
index 00000000..eef9b37a
--- /dev/null
+++ b/kernel/extended/hilog/Makefile
@@ -0,0 +1,40 @@
+# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+include $(LITEOSTOPDIR)/config.mk
+
+MODULE_NAME := $(notdir $(shell pwd))
+
+LOCAL_SRCS := $(wildcard *.c)
+
+LOCAL_INCLUDE := -I $(LITEOSTOPDIR)/kernel/base/include
+
+LOCAL_FLAGS := $(LITEOS_CFLAGS_INTERWORK) $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
+
+include $(MODULE)
diff --git a/platform/los_hilog.c b/kernel/extended/hilog/los_hilog.c
similarity index 99%
rename from platform/los_hilog.c
rename to kernel/extended/hilog/los_hilog.c
index f4bc5f9d..210addca 100644
--- a/platform/los_hilog.c
+++ b/kernel/extended/hilog/los_hilog.c
@@ -126,7 +126,7 @@ static void HiLogBufferDec(size_t sz)
     }
 }
 
-static int HiLogBufferCopy(unsigned char *dst, unsigned dstLen, unsigned char *src, size_t srcLen)
+static int HiLogBufferCopy(unsigned char *dst, unsigned dstLen, const unsigned char *src, size_t srcLen)
 {
     int retval = -1;
     size_t minLen = (dstLen > srcLen) ? srcLen : dstLen;
diff --git a/platform/los_hilog.h b/kernel/extended/hilog/los_hilog.h
similarity index 100%
rename from platform/los_hilog.h
rename to kernel/extended/hilog/los_hilog.h
diff --git a/kernel/extended/trace/Kconfig b/kernel/extended/trace/Kconfig
new file mode 100644
index 00000000..946cb8bf
--- /dev/null
+++ b/kernel/extended/trace/Kconfig
@@ -0,0 +1,78 @@
+config KERNEL_TRACE
+    bool "Enable Trace Feature"
+    default n
+    depends on KERNEL_HOOK
+
+config TRACE_MSG_EXTEND
+    bool "Enable Record more extended content"
+    default n
+    depends on KERNEL_TRACE
+
+config TRACE_FRAME_CORE_MSG
+    bool "Record cpuid, hardware interrupt status, task lock status"
+    default n
+    depends on TRACE_MSG_EXTEND
+
+config TRACE_FRAME_EVENT_COUNT
+    bool "Record event count, which indicate the sequence of happend events"
+    default n
+    depends on TRACE_MSG_EXTEND
+
+config TRACE_FRAME_MAX_PARAMS
+    int "Record max params"
+    default 3
+    depends on KERNEL_TRACE
+    help
+      Make sure the max value is bigger than the number defined by each #MODULE#_#TYPE#_PARMAS in los_trace.h, e.g. TASK_SWITCH_PARAMS
+
+choice
+    prompt "Trace work mode"
+    default RECORDER_MODE_OFFLINE
+    depends on KERNEL_TRACE
+
+config RECORDER_MODE_ONLINE
+    bool "Online mode"
+    select TRACE_CLIENT_INTERACT
+
+config RECORDER_MODE_OFFLINE
+    bool "Offline mode"
+
+endchoice
+
+config TRACE_BUFFER_SIZE
+    int "Trace record buffer size"
+    default 10000
+    depends on RECORDER_MODE_OFFLINE
+
+config TRACE_CLIENT_INTERACT
+    bool "Enable Trace Client Visualization and Control"
+    default n
+    depends on KERNEL_TRACE
+
+choice
+    prompt "Trace Pipeline for Data Transmission"
+    depends on TRACE_CLIENT_INTERACT
+
+config TRACE_PIPELINE_SERIAL
+    bool "Via Serial"
+
+endchoice
+
+choice
+    prompt "Trace Control"
+    default TRACE_CONTROL_VIA_SHELL
+    depends on TRACE_CLIENT_INTERACT
+    help
+      If you wish to control Trace's start/stop etc.,dynamically by Trace Client.
+
+config TRACE_CONTROL_VIA_SHELL
+    bool "Via Shell"
+    select LOSCFG_SHELL
+
+config TRACE_CONTROL_AGENT
+    bool "Via Trace Agent Task"
+
+config TRACE_NO_CONTROL
+    bool "No Control"
+
+endchoice
\ No newline at end of file
diff --git a/kernel/extended/vdso/usr/BUILD.gn b/kernel/extended/vdso/usr/BUILD.gn
index 55d703c4..3a3702a4 100644
--- a/kernel/extended/vdso/usr/BUILD.gn
+++ b/kernel/extended/vdso/usr/BUILD.gn
@@ -35,7 +35,6 @@ shared_library("OHOS-vdso") {
   include_dirs = [
     "$LITEOSTOPDIR/kernel/extended/vdso/include",
     "$LITEOSTOPDIR/kernel/include",
-    "$LITEOSTOPDIR/platform",
     "$LITEOSTOPDIR/bsd/compat/linuxkpi/include",
   ]
 
diff --git a/platform/los_builddef.h b/kernel/include/los_builddef.h
similarity index 99%
rename from platform/los_builddef.h
rename to kernel/include/los_builddef.h
index c00ae1f9..2a91bc84 100644
--- a/platform/los_builddef.h
+++ b/kernel/include/los_builddef.h
@@ -94,8 +94,6 @@ extern "C" {
 #define LITE_OS_SEC_DTCM        /* __attribute__((section(".dtcm"))) */
 #endif
 
-#define PACK1
-
 #ifdef __cplusplus
 #if __cplusplus
 }
diff --git a/platform/los_init.h b/kernel/include/los_init.h
similarity index 100%
rename from platform/los_init.h
rename to kernel/include/los_init.h
diff --git a/kernel/include/los_printf.h b/kernel/include/los_printf.h
index 510839a1..d92c83d4 100644
--- a/kernel/include/los_printf.h
+++ b/kernel/include/los_printf.h
@@ -37,7 +37,6 @@
 #ifndef _LOS_PRINTF_H
 #define _LOS_PRINTF_H
 
-#include "sys_config.h"
 #ifdef LOSCFG_LIB_LIBC
 #include "stdarg.h"
 #endif
diff --git a/lib/libscrew/BUILD.gn b/lib/libscrew/BUILD.gn
index 87b4cae6..227fced9 100644
--- a/lib/libscrew/BUILD.gn
+++ b/lib/libscrew/BUILD.gn
@@ -32,8 +32,10 @@ import("//kernel/liteos_a/liteos.gni")
 module_name = get_path_info(rebase_path("."), "name")
 kernel_module(module_name) {
   sources = [
+    "src/los_cir_buf.c",
     "src/los_crc32.c",
     "src/los_rbtree.c",
+    "src/los_seq_buf.c",
   ]
 
   sources += [ "$LITEOSTHIRDPARTY/FreeBSD/sys/libkern/crc32.c" ]
diff --git a/platform/los_cir_buf_pri.h b/lib/libscrew/include/los_cir_buf.h
similarity index 100%
rename from platform/los_cir_buf_pri.h
rename to lib/libscrew/include/los_cir_buf.h
diff --git a/platform/los_seq_buf.h b/lib/libscrew/include/los_seq_buf.h
similarity index 98%
rename from platform/los_seq_buf.h
rename to lib/libscrew/include/los_seq_buf.h
index e048ba61..88e63fa2 100644
--- a/platform/los_seq_buf.h
+++ b/lib/libscrew/include/los_seq_buf.h
@@ -32,8 +32,9 @@
 #ifndef __LOS_SEQ_BUF_H__
 #define __LOS_SEQ_BUF_H__
 
-#include "los_typedef.h"
-#include "pthread.h"
+#include "stdarg.h"
+#include "stddef.h"
+
 
 #ifdef __cplusplus
 #if __cplusplus
diff --git a/platform/los_cir_buf.c b/lib/libscrew/src/los_cir_buf.c
similarity index 99%
rename from platform/los_cir_buf.c
rename to lib/libscrew/src/los_cir_buf.c
index 3c4db019..c090ed16 100644
--- a/platform/los_cir_buf.c
+++ b/lib/libscrew/src/los_cir_buf.c
@@ -29,7 +29,7 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "los_cir_buf_pri.h"
+#include "los_cir_buf.h"
 
 
 UINT32 LOS_CirBufUsedSize(CirBuf *cirbufCB)
diff --git a/platform/los_seq_buf.c b/lib/libscrew/src/los_seq_buf.c
similarity index 98%
rename from platform/los_seq_buf.c
rename to lib/libscrew/src/los_seq_buf.c
index f91ffa71..00ab78c4 100644
--- a/platform/los_seq_buf.c
+++ b/lib/libscrew/src/los_seq_buf.c
@@ -30,7 +30,9 @@
  */
 
 #include "los_seq_buf.h"
+#include "los_typedef.h"
 #include <stdlib.h>
+#include "securec.h"
 
 static int ExpandSeqBuf(struct SeqBuf *seqBuf, size_t oldCount)
 {
diff --git a/platform/BUILD.gn b/platform/BUILD.gn
index d2d4a74f..f8eec886 100644
--- a/platform/BUILD.gn
+++ b/platform/BUILD.gn
@@ -29,43 +29,6 @@
 
 import("//kernel/liteos_a/liteos.gni")
 
-module_name = "bsp"
-kernel_module(module_name) {
-  sources = [ "main.c" ]
-
-  sources += [
-    "hwi_shell.c",
-    "los_cir_buf.c",
-    "los_config.c",
-    "los_excinfo.c",
-    "los_init.c",
-    "los_magickey.c",
-    "los_printf.c",
-    "los_seq_buf.c",
-  ]
-
-  if (defined(LOSCFG_FS_VFS)) {
-    sources += [
-      "console.c",
-      "virtual_serial.c",
-    ]
-  }
-
-  if (defined(LOSCFG_BASE_CORE_HILOG)) {
-    sources += [ "los_hilog.c" ]
-  }
-
-  public_configs = [ ":public" ]
-}
-
-group("platform") {
-  public_deps = [ ":$module_name" ]
-}
-
-config("public") {
-  include_dirs = [ "." ]
-}
-
 kernel_module("board.ld") {
   sources = [ "board.ld.S" ]
   asmflags = [
diff --git a/platform/Makefile b/platform/Makefile
index 5cf034df..cd1eeef8 100644
--- a/platform/Makefile
+++ b/platform/Makefile
@@ -29,37 +29,12 @@
 
 include $(LITEOSTOPDIR)/config.mk
 
-MODULE_NAME := bsp
-
-LOCAL_SRCS = $(wildcard ./main.c)
-
-LOCAL_INCLUDE += -I $(LITEOSTOPDIR)/compat/posix/src \
-                 -I $(LITEOSTOPDIR)/bsd/dev/random
-
-LOCAL_SRCS += $(wildcard *.c)
-ifneq ($(LOSCFG_FS_VFS), y)
-LOCAL_SRCS := $(filter-out console.c virtual_serial.c, $(LOCAL_SRCS))
-endif
-ifneq ($(LOSCFG_BASE_CORE_HILOG), y)
-LOCAL_SRCS := $(filter-out los_hilog.c, $(LOCAL_SRCS))
-endif
-
-ALL_ASSRCS := $(wildcard *.S)
-ASSRCS := $(filter-out board.ld.S,$(ALL_ASSRCS))
-
-LOCAL_SRCS += $(ASSRCS)
-
-LOCAL_FLAGS := $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
-
 BOARD_LD = $(OUT)/lib/board.ld
 $(BOARD_LD): board.ld.S
 	$(HIDE)$(CC) $(LITEOS_CFLAGS) -P -E $< -o $@
 
-.PHONY: rm_board_ld
-rm_board_ld:
+.PHONY: all clean
+clean:
 	$(HIDE)$(RM) $(BOARD_LD)
 
 all: $(BOARD_LD)
-clean: rm_board_ld
-
-include $(MODULE)
diff --git a/platform/bsp.mk b/platform/bsp.mk
index 5d065491..c497e9d8 100644
--- a/platform/bsp.mk
+++ b/platform/bsp.mk
@@ -27,13 +27,12 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-LITEOS_BASELIB       += -lbsp -lbsp_config
+LITEOS_BASELIB       += -lbsp_config
 
 PLATFORM_BSP_BASE := $(LITEOSTOPDIR)/platform
 
 PLATFORM_INCLUDE := -I $(LITEOSTOPDIR)/../../$(LOSCFG_BOARD_CONFIG_PATH) \
                     -I $(LITEOSTOPDIR)/../../$(LOSCFG_BOARD_CONFIG_PATH)/include \
-                    -I $(PLATFORM_BSP_BASE)
 
 LIB_SUBDIRS             += $(PLATFORM_BSP_BASE) $(LITEOSTOPDIR)/../../$(LOSCFG_BOARD_CONFIG_PATH)
 LITEOS_PLATFORM_INCLUDE += $(PLATFORM_INCLUDE)
diff --git a/platform/los_timer_pri.h b/platform/los_timer_pri.h
deleted file mode 100644
index 6017d8b0..00000000
--- a/platform/los_timer_pri.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this list of
- *    conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this list
- *    of conditions and the following disclaimer in the documentation and/or other materials
- *    provided with the distribution.
- *
- * 3. Neither the name of the copyright holder nor the names of its contributors may be used
- *    to endorse or promote products derived from this software without specific prior written
- *    permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _LOS_TIMER_PRI_H
-#define _LOS_TIMER_PRI_H
-
-#include "los_typedef.h"
-
-#ifdef __cplusplus
-#if __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-#endif /* __cplusplus */
-
-extern VOID OsAdjTime(VOID);
-
-#ifdef __cplusplus
-#if __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* __cplusplus */
-#endif /* _LOS_TIMER_PRI_H */
diff --git a/platform/sys_config.h b/platform/sys_config.h
deleted file mode 100644
index 40decfaf..00000000
--- a/platform/sys_config.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this list of
- *    conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this list
- *    of conditions and the following disclaimer in the documentation and/or other materials
- *    provided with the distribution.
- *
- * 3. Neither the name of the copyright holder nor the names of its contributors may be used
- *    to endorse or promote products derived from this software without specific prior written
- *    permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _SYS_CONFIG_H
-#define _SYS_CONFIG_H
-
-
-#ifdef __cplusplus
-#if __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-#endif /* __cplusplus */
-
-#ifndef LOSCFG_MACRO_CONFIG
-#define LOSCFG_MACRO_CONFIG
-
-#ifdef LOSCFG_LIB_LIBC
-#define CONFIG_STRERROR
-#endif
-
-#ifdef LOSCFG_NET_LWIP_SACK
-#define LWIP_BSD_API 1
-#endif
-
-#ifdef LOSCFG_DRIVERS_USB
-#define SUPPORT_LOS_USB_NEW_DRIVER
-#define USB_DEBUG_VAR 5
-#endif
-#endif
-
-#ifdef __cplusplus
-#if __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* __cplusplus */
-
-#endif /* _SYS_CONFIG_H */
\ No newline at end of file
diff --git a/shell/BUILD.gn b/shell/BUILD.gn
index c3b8e522..0eaa2922 100644
--- a/shell/BUILD.gn
+++ b/shell/BUILD.gn
@@ -38,10 +38,11 @@ kernel_module(module_name) {
     "full/src/base/shell_lk.c",
     "full/src/base/shmsg.c",
     "full/src/base/show.c",
-    "full/src/cmds/date_shell.c",
+    "full/src/cmds/date_shellcmd.c",
     "full/src/cmds/dmesg.c",
+    "full/src/cmds/hwi_shellcmd.c",
     "full/src/cmds/shell_shellcmd.c",
-    "full/src/cmds/watch_shell.c",
+    "full/src/cmds/watch_shellcmd.c",
   ]
 
   public_configs = [ ":public" ]
diff --git a/shell/full/include/dmesg_pri.h b/shell/full/include/dmesg_pri.h
index 6f73ca19..8d4f6485 100644
--- a/shell/full/include/dmesg_pri.h
+++ b/shell/full/include/dmesg_pri.h
@@ -32,7 +32,6 @@
 #ifndef _HWLITEOS_SHELL_DMESG_PRI_H
 #define _HWLITEOS_SHELL_DMESG_PRI_H
 
-#include "sys_config.h"
 #ifdef LOSCFG_SHELL_DMESG
 #include "dmesg.h"
 
diff --git a/shell/full/src/cmds/date_shell.c b/shell/full/src/cmds/date_shellcmd.c
similarity index 100%
rename from shell/full/src/cmds/date_shell.c
rename to shell/full/src/cmds/date_shellcmd.c
diff --git a/shell/full/src/cmds/dmesg.c b/shell/full/src/cmds/dmesg.c
index 8c100c7c..2d1eea9c 100644
--- a/shell/full/src/cmds/dmesg.c
+++ b/shell/full/src/cmds/dmesg.c
@@ -50,7 +50,6 @@ Case B:
               Tail                                 Head
 */
 
-#include "sys_config.h"
 #ifdef LOSCFG_SHELL_DMESG
 #include "dmesg_pri.h"
 #include "show.h"
diff --git a/platform/hwi_shell.c b/shell/full/src/cmds/hwi_shellcmd.c
similarity index 100%
rename from platform/hwi_shell.c
rename to shell/full/src/cmds/hwi_shellcmd.c
diff --git a/shell/full/src/cmds/watch_shell.c b/shell/full/src/cmds/watch_shellcmd.c
similarity index 100%
rename from shell/full/src/cmds/watch_shell.c
rename to shell/full/src/cmds/watch_shellcmd.c
diff --git a/testsuites/kernel/BUILD.gn b/testsuites/kernel/BUILD.gn
index 77a11a87..ee97651b 100644
--- a/testsuites/kernel/BUILD.gn
+++ b/testsuites/kernel/BUILD.gn
@@ -27,116 +27,122 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-
 import("//build/lite/config/component/lite_component.gni")
 
 static_library("test_base") {
+  sources = [
+    "src/ChipTest.c",
+    "src/iCunit.c",
+    "src/osTest.c",
+    "src/testrun_shellcmd.c",
+    "src/testusb_shellcmd.c",
+  ]
 
-    sources = [
-        "src/ChipTest.c",
-        "src/iCunit.c",
-        "src/osTest.c",
-        "src/testrun_shellcmd.c",
-        "src/testusb_shellcmd.c",
-    ]
+  include_dirs = [
+    "../kernel/base/includ",
+    "../kernel/include",
+    "../kernel/extended/include",
+    "include",
+    "../fs/vfs",
+    "../fs/proc/include",
+    "../fs/jffs2/include",
+    "../fs/nfs/include",
+    "../bsd/compat/linuxkpi/include",
+  ]
 
-    include_dirs = [
-        "../kernel/base/includ",
-        "../kernel/include",
-        "../kernel/extended/include",
-        "include",
-        "../fs/vfs",
-        "../fs/proc/include",
-        "../fs/jffs2/include",
-        "../fs/nfs/include",
-        "../bsd/compat/linuxkpi/include",
-    ]
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
 }
 
 lite_component("test") {
-    features = [ ":test_base" ]
+  features = [ ":test_base" ]
 
-# KERNEL BASE TEST
-    if (LOSCFG_TEST_KERNEL_BASE_IPC) {
-        features += [ "sample/kernel_base/ipc:test_ipc" ]
-    }
-    if (LOSCFG_TEST_KERNEL_BASE_CORE) {
-        features += [ "sample/kernel_base/core:test_core" ]
-    }
-    if (LOSCFG_TEST_KERNEL_BASE_MP) {
-        features += [ "sample/kernel_base/mp:test_mp" ]
-    }
-    if (LOSCFG_TEST_KERNEL_BASE_MEM) {
-        features += [ "sample/kernel_base/mem:test_mem" ]
-    }
-    if (LOSCFG_TEST_KERNEL_BASE_MISC) {
-        features += [ "sample/kernel_base/misc:test_misc" ]
-    }
-    if (LOSCFG_TEST_KERNEL_BASE_OM) {
-        features += [ "sample/kernel_base/om:test_om" ]
-    }
-    if (LOSCFG_TEST_KERNEL_BASE_ATOMIC) {
-        features += [ "sample/kernel_base/atomic:test_atomic" ]
-    }
+  # KERNEL BASE TEST
+  if (LOSCFG_TEST_KERNEL_BASE_IPC) {
+    features += [ "sample/kernel_base/ipc:test_ipc" ]
+  }
+  if (LOSCFG_TEST_KERNEL_BASE_CORE) {
+    features += [ "sample/kernel_base/core:test_core" ]
+  }
+  if (LOSCFG_TEST_KERNEL_BASE_MP) {
+    features += [ "sample/kernel_base/mp:test_mp" ]
+  }
+  if (LOSCFG_TEST_KERNEL_BASE_MEM) {
+    features += [ "sample/kernel_base/mem:test_mem" ]
+  }
+  if (LOSCFG_TEST_KERNEL_BASE_MISC) {
+    features += [ "sample/kernel_base/misc:test_misc" ]
+  }
+  if (LOSCFG_TEST_KERNEL_BASE_OM) {
+    features += [ "sample/kernel_base/om:test_om" ]
+  }
+  if (LOSCFG_TEST_KERNEL_BASE_ATOMIC) {
+    features += [ "sample/kernel_base/atomic:test_atomic" ]
+  }
 
-# KERNEL EXTEND TEST
-    if (LOSCFG_TEST_KERNEL_EXTEND_CPP) {
-        features += [ "sample/kernel_extend/cpp:test_cpp" ]
-    }
-    if (LOSCFG_TEST_KERNEL_EXTEND_CPUP) {
-        features += [ "sample/kernel_extend/cpup:test_cpup" ]
-    }
-    if (LOSCFG_TEST_KERNEL_EXTEND_MMU) {
-        features += [ "sample/kernel_extend/mmu:test_mmu" ]
-    }
+  # KERNEL EXTEND TEST
+  if (LOSCFG_TEST_KERNEL_EXTEND_CPP) {
+    features += [ "sample/kernel_extend/cpp:test_cpp" ]
+  }
+  if (LOSCFG_TEST_KERNEL_EXTEND_CPUP) {
+    features += [ "sample/kernel_extend/cpup:test_cpup" ]
+  }
+  if (LOSCFG_TEST_KERNEL_EXTEND_MMU) {
+    features += [ "sample/kernel_extend/mmu:test_mmu" ]
+  }
 
-# COMPAT TEST
-    if (LOSCFG_TEST_POSIX) {
-        features += [
-            "sample/posix:test_posix",
-            # "sample/posix/smp:test_posix_smp",
-        ]
-    }
-    # if (LOSCFG_TEST_POSIX_MEM) {
-    #     features += [ "sample/posix/mem:test_posix_mem" ]
-    # }
-    # if (LOSCFG_TEST_POSIX_MQUEUE) {
-    #     features += [ "sample/posix/mqueue:test_posix_mqueue" ]
-    # }
-    # if (LOSCFG_TEST_POSIX_MUTEX) {
-    #     features += [ "sample/posix/mutex:test_posix_mutex" ]
-    # }
-    # if (LOSCFG_TEST_POSIX_PTHREAD) {
-    #     features += [ "sample/posix/pthread:test_posix_pthread" ]
-    # }
-    # if (LOSCFG_TEST_POSIX_SCHED) {
-    #     features += [ "sample/posix/sched:test_posix_sched" ]
-    # }
-    # if (LOSCFG_TEST_POSIX_SEM) {
-    #     features += [ "sample/posix/sem:test_posix_sem" ]
-    # }
-    # if (LOSCFG_TEST_POSIX_SWTMR) {
-    #     features += [ "sample/posix/swtmr:test_posix_swtmr" ]
-    # }
-    if (LOSCFG_TEST_LINUX) {
-        features += [ "sample/linux:test_linux" ]
-    }
-    #if (LOSCFG_TEST_LINUX_HRTIMER) {
-    #    features += [ "sample/linux/hrtimer:test_linux_hrtimer" ]
-    #}
+  # COMPAT TEST
+  if (LOSCFG_TEST_POSIX) {
+    features += [
+      "sample/posix:test_posix",
+      # "sample/posix/smp:test_posix_smp",
+    ]
+  }
 
-# LIBC TEST
-    if (LOSCFG_TEST_LIBC) {
-        features += [ "sample/libc:test_libc" ]
-    }
+  # if (LOSCFG_TEST_POSIX_MEM) {
+  #     features += [ "sample/posix/mem:test_posix_mem" ]
+  # }
+  # if (LOSCFG_TEST_POSIX_MQUEUE) {
+  #     features += [ "sample/posix/mqueue:test_posix_mqueue" ]
+  # }
+  # if (LOSCFG_TEST_POSIX_MUTEX) {
+  #     features += [ "sample/posix/mutex:test_posix_mutex" ]
+  # }
+  # if (LOSCFG_TEST_POSIX_PTHREAD) {
+  #     features += [ "sample/posix/pthread:test_posix_pthread" ]
+  # }
+  # if (LOSCFG_TEST_POSIX_SCHED) {
+  #     features += [ "sample/posix/sched:test_posix_sched" ]
+  # }
+  # if (LOSCFG_TEST_POSIX_SEM) {
+  #     features += [ "sample/posix/sem:test_posix_sem" ]
+  # }
+  # if (LOSCFG_TEST_POSIX_SWTMR) {
+  #     features += [ "sample/posix/swtmr:test_posix_swtmr" ]
+  # }
+  if (LOSCFG_TEST_LINUX) {
+    features += [ "sample/linux:test_linux" ]
+  }
 
-# LIBM TEST
-    if (LOSCFG_TEST_LIBM) {
-        features += [ "sample/libm:test_libm" ]
-    }
+  #if (LOSCFG_TEST_LINUX_HRTIMER) {
+  #    features += [ "sample/linux/hrtimer:test_linux_hrtimer" ]
+  #}
 
-# SHELL TEST
-    if (LOSCFG_TEST_SHELL) {
-        features += [ "sample/shell:test_shell" ]
-    }
+  # LIBC TEST
+  if (LOSCFG_TEST_LIBC) {
+    features += [ "sample/libc:test_libc" ]
+  }
+
+  # LIBM TEST
+  if (LOSCFG_TEST_LIBM) {
+    features += [ "sample/libm:test_libm" ]
+  }
+
+  # SHELL TEST
+  if (LOSCFG_TEST_SHELL) {
+    features += [ "sample/shell:test_shell" ]
+  }
 }
diff --git a/testsuites/kernel/include/los_test_pri.h b/testsuites/kernel/include/los_test_pri.h
index f6015bf2..b7b8de4e 100644
--- a/testsuites/kernel/include/los_test_pri.h
+++ b/testsuites/kernel/include/los_test_pri.h
@@ -38,7 +38,7 @@ extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-extern UINT32 OsTestInit(VOID);
+extern UINT32 TestSystemInit(VOID);
 
 #ifdef __cplusplus
 #if __cplusplus
diff --git a/testsuites/kernel/include/osTest.h b/testsuites/kernel/include/osTest.h
index 901dcf72..f401ca20 100644
--- a/testsuites/kernel/include/osTest.h
+++ b/testsuites/kernel/include/osTest.h
@@ -337,7 +337,7 @@ extern VOID ItSuitePosixPthread(VOID);
 
 extern VOID TestRunShell(VOID);
 
-extern UINT32 OsTestInit(VOID);
+extern void TestSystemInit(void);
 
 extern void TEST_DT_COMMON(void);
 extern VOID dprintf(const char *fmt, ...);
diff --git a/tools/build/mk/los_config.mk b/tools/build/mk/los_config.mk
index b43a95b9..31f7e71a 100644
--- a/tools/build/mk/los_config.mk
+++ b/tools/build/mk/los_config.mk
@@ -114,17 +114,6 @@ include $(LITEOSTOPDIR)/arch/cpu.mk
 
 ############################# Platform Option Begin#################################
 include $(LITEOSTOPDIR)/platform/bsp.mk
-
-ifeq ($(LOSCFG_PLATFORM_ROOTFS), y)
-    LITEOS_BASELIB  += -lrootfs
-    LIB_SUBDIRS     += $(LITEOSTOPDIR)/kernel/common/rootfs
-    LITEOS_PLATFORM_INCLUDE     += -I $(LITEOSTOPDIR)/kernel/common/rootfs
-endif
-
-ifeq ($(LOSCFG_PLATFORM_PATCHFS), y)
-    LITEOS_BASELIB  += -lpatchfs
-    LIB_SUBDIRS     += $(LITEOSTOPDIR)/kernel/common/patchfs
-endif
 ############################# Platform Option End #################################
 
 ####################################### Kernel Option Begin ###########################################
@@ -133,6 +122,16 @@ LIB_SUBDIRS       += kernel/base
 LITEOS_KERNEL_INCLUDE   := -I $(LITEOSTOPDIR)/kernel/include \
                            -I $(LITEOSTOPDIR)/kernel/base/include
 
+LITEOS_BASELIB += -lcommon
+LIB_SUBDIRS       += kernel/common
+LITEOS_KERNEL_INCLUDE   += -I $(LITEOSTOPDIR)/kernel/common
+
+ifeq ($(LOSCFG_KERNEL_CPPSUPPORT), y)
+    LITEOS_BASELIB += -lcppsupport
+    LIB_SUBDIRS       += kernel/extended/cppsupport
+    LITEOS_CPPSUPPORT_INCLUDE   += -I $(LITEOSTOPDIR)/kernel/extended/cppsupport
+endif
+
 ifeq ($(LOSCFG_KERNEL_CPUP), y)
     LITEOS_BASELIB   += -lcpup
     LIB_SUBDIRS         += kernel/extended/cpup
@@ -181,9 +180,19 @@ ifeq ($(LOSCFG_KERNEL_PM), y)
     LITEOS_PIPE_INCLUDE   += -I $(LITEOSTOPDIR)/kernel/extended/power
 endif
 
+ifeq ($(LOSCFG_KERNEL_SYSCALL), y)
+    LITEOS_BASELIB += -lsyscall
+    LIB_SUBDIRS += syscall
+endif
+LIB_SUBDIRS += kernel/user
+
 ################################### Kernel Option End ################################
 
 #################################### Lib Option Begin ###############################
+LITEOS_BASELIB   += -lscrew
+LIB_SUBDIRS         += lib/libscrew
+LITEOS_LIBSCREW_INCLUDE += -I $(LITEOSTOPDIR)/lib/libscrew/include
+
 ifeq ($(LOSCFG_LIB_LIBC), y)
     LIB_SUBDIRS           += lib/libc
     LITEOS_BASELIB        += -lc
@@ -197,16 +206,6 @@ ifeq ($(LOSCFG_LIB_LIBC), y)
     LITEOS_CMACRO         += -DSECUREC_IN_KERNEL=0
 endif
 
-    LITEOS_BASELIB   += -lscrew
-    LIB_SUBDIRS         += lib/libscrew
-    LITEOS_LIBSCREW_INCLUDE += -I $(LITEOSTOPDIR)/lib/libscrew/include
-
-ifeq ($(LOSCFG_KERNEL_CPPSUPPORT), y)
-    LITEOS_BASELIB += -lcppsupport
-    LIB_SUBDIRS       += kernel/extended/cppsupport
-    LITEOS_CPPSUPPORT_INCLUDE   += -I $(LITEOSTOPDIR)/kernel/extended/cppsupport
-endif
-
 ifeq ($(LOSCFG_LIB_ZLIB), y)
     LITEOS_BASELIB += -lz
     LIB_SUBDIRS    += lib/zlib
@@ -301,6 +300,17 @@ ifeq ($(LOSCFG_FS_JFFS), y)
     LIB_SUBDIRS     += fs/jffs2
 endif
 
+ifeq ($(LOSCFG_PLATFORM_ROOTFS), y)
+    LITEOS_BASELIB  += -lrootfs
+    LIB_SUBDIRS     += fs/rootfs
+    LITEOS_PLATFORM_INCLUDE     += -I $(LITEOSTOPDIR)/fs/rootfs
+endif
+
+ifeq ($(LOSCFG_PLATFORM_PATCHFS), y)
+    LITEOS_BASELIB  += -lpatchfs
+    LIB_SUBDIRS     += fs/patchfs
+endif
+
 ifeq ($(LOSCFG_FS_ZPFS), y)
     LITEOS_BASELIB  += -lzpfs
     LIB_SUBDIRS     += fs/zpfs
@@ -380,6 +390,7 @@ ifeq ($(LOSCFG_DRIVERS_USB), y)
     LITEOS_BASELIB  += -lusb_base
     LIB_SUBDIRS     += $(LITEOSTOPDIR)/bsd/dev/usb
     LITEOS_USB_INCLUDE += -I $(LITEOSTOPDIR)/bsd/dev/usb
+    LITEOS_CMACRO   += -DUSB_DEBUG_VAR=5
 endif
 
 ifeq ($(LOSCFG_DRIVERS_VIDEO), y)
@@ -392,20 +403,22 @@ endif
 
 ############################## Dfx Option Begin#######################################
 ifeq ($(LOSCFG_BASE_CORE_HILOG), y)
-    LITEOS_BASELIB     += -lhilog
-    LIB_SUBDIRS           += $(LITEOSTOPDIR)/../../base/hiviewdfx/hilog_lite/frameworks/featured
+    LITEOS_BASELIB      += -lhilog
+    LIB_SUBDIRS         += $(LITEOSTOPDIR)/../../base/hiviewdfx/hilog_lite/frameworks/featured
+    LIB_SUBDIRS         += $(LITEOSTOPDIR)/kernel/extended/hilog
     LITEOS_HILOG_INCLUDE  += -I $(LITEOSTOPDIR)/../../base/hiviewdfx/hilog_lite/interfaces/native/kits
     LITEOS_HILOG_INCLUDE  += -I $(LITEOSTOPDIR)/../../base/hiviewdfx/hilog_lite/interfaces/native/kits/hilog
+    LITEOS_HILOG_INCLUDE  += -I $(LITEOSTOPDIR)/kernel/extended/hilog
 endif
 ifeq ($(LOSCFG_BLACKBOX), y)
     LITEOS_BASELIB     += -lblackbox
-    LIB_SUBDIRS           += $(LITEOSTOPDIR)/kernel/common/blackbox
-    LITEOS_BLACKBOX_INCLUDE  += -I $(LITEOSTOPDIR)/kernel/common/blackbox
+    LIB_SUBDIRS           += $(LITEOSTOPDIR)/kernel/extended/blackbox
+    LITEOS_BLACKBOX_INCLUDE  += -I $(LITEOSTOPDIR)/kernel/extended/blackbox
 endif
 ifeq ($(LOSCFG_HIDUMPER), y)
     LITEOS_BASELIB     += -lhidumper
-    LIB_SUBDIRS           += $(LITEOSTOPDIR)/kernel/common/hidumper
-    LITEOS_HIDUMPER_INCLUDE  += -I $(LITEOSTOPDIR)/kernel/common/hidumper
+    LIB_SUBDIRS           += $(LITEOSTOPDIR)/kernel/extended/hidumper
+    LITEOS_HIDUMPER_INCLUDE  += -I $(LITEOSTOPDIR)/kernel/extended/hidumper
 endif
 ############################## Dfx Option End #######################################
 
@@ -457,13 +470,6 @@ ifeq ($(LOSCFG_NET_TELNET), y)
     LITEOS_TELNET_INCLUDE   += \
         -I $(LITEOSTOPDIR)/net/telnet/include
 endif
-
-ifeq ($(LOSCFG_KERNEL_SYSCALL), y)
-LITEOS_BASELIB += -lsyscall
-LIB_SUBDIRS += syscall
-endif
-LIB_SUBDIRS += kernel/user
-
 ############################# Tools && Debug Option End #################################
 
 ############################# Security Option Begin ##############################
@@ -481,13 +487,13 @@ ifeq ($(LOSCFG_CC_STACKPROTECTOR_ALL), y)
 endif
 
 ifeq ($(LOSCFG_SECURITY), y)
-LIB_SUBDIRS += security
-LITEOS_BASELIB += -lsecurity
+    LIB_SUBDIRS += security
+    LITEOS_BASELIB += -lsecurity
 ifeq ($(LOSCFG_SECURITY_CAPABILITY), y)
-LITEOS_SECURITY_CAP_INC := -I $(LITEOSTOPDIR)/security/cap
+    LITEOS_SECURITY_CAP_INC := -I $(LITEOSTOPDIR)/security/cap
 endif
 ifeq ($(LOSCFG_SECURITY_VID), y)
-LITEOS_SECURITY_VID_INC := -I $(LITEOSTOPDIR)/security/vid
+    LITEOS_SECURITY_VID_INC := -I $(LITEOSTOPDIR)/security/vid
 endif
 endif