diff --git a/BUILD.gn b/BUILD.gn
index 86e1f12c..d4146236 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -29,17 +29,14 @@
 
 import("//build/lite/config/component/lite_component.gni")
 
+LITEOS_MENUCONFIG_H = rebase_path("$root_out_dir/config.h")
+
 declare_args() {
   tee_enable = false
   liteos_name = "OHOS_Image"
   liteos_skip_make = false
 }
 
-cmd = "if [ -f $device_path/BUILD.gn ]; then echo true; else echo false; fi"
-HAVE_DEVICE_SDK = exec_script("//build/lite/run_shell_cmd.py", [ cmd ], "value")
-
-LITEOS_MENUCONFIG_H = rebase_path("$root_out_dir/config.h")
-
 tee = ""
 if (tee_enable) {
   tee = "_tee"
@@ -68,6 +65,8 @@ import("liteos.gni")
 assert(ARCH != "", "ARCH not set!")
 assert(ARCH == arch, "ARCH not match! details: $ARCH != $arch")
 assert(tee_enable == defined(LOSCFG_TEE_ENABLE), "TEE switch not match!")
+assert(ohos_build_compiler == "clang" == defined(LOSCFG_COMPILER_CLANG_LLVM),
+       "compiler not match!")
 
 generate_notice_file("kernel_notice_file") {
   module_name = "kernel"
@@ -83,6 +82,8 @@ generate_notice_file("kernel_notice_file") {
   ]
 }
 
+visibility = [ ":*" ]
+
 liteos_arch_cflags = []
 if (defined(LOSCFG_ARCH_ARM)) {
   mcpu = LOSCFG_ARCH_CPU
@@ -175,7 +176,7 @@ config("optimize_config") {
     if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
       cflags += [ "-flto=thin" ]
     } else {
-      cflags += [ "-flto" ]
+      #cflags += [ "-flto" ]
     }
   }
   cflags += [ optimization_cflag ]
@@ -197,8 +198,10 @@ config("warn_config") {
     "-Wpointer-arith",
     "-Wstrict-prototypes",
     "-Winvalid-pch",
-    "-Wno-address-of-packed-member",
   ]
+  if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
+    cflags += [ "-Wno-address-of-packed-member" ]
+  }
   asmflags = cflags
 }
 
@@ -209,6 +212,7 @@ config("dialect_config") {
 
 config("misc_config") {
   defines = [ "__LITEOS__" ]
+  defines += [ "__LITEOS_A__" ]
   if (!defined(LOSCFG_DEBUG_VERSION)) {
     defines += [ "NDEBUG" ]
   }
@@ -248,62 +252,8 @@ config("los_config") {
   ]
 }
 
-executable("liteos") {
-  configs = []  # clear default configs
-  configs += [ ":arch_config" ]
-  configs += [ ":public" ]
-
-  ldflags = [
-    "-static",
-    "-nostdlib",
-    "-Wl,--gc-sections",
-    "-Wl,-Map=$liteos_name.map",
-    "-Wl,--no-eh-frame-hdr",
-  ]
-
-  libgcc = exec_script("//build/lite/run_shell_cmd.py",
-                       [ "$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) ]
-    inputs = [ "tools/build/liteos_llvm.ld" ]
-  } else {
-    ldflags +=
-        [ "-Wl,-T" + rebase_path("tools/build/liteos.ld", root_build_dir) ]
-    ldflags += [ "-Wl,-nostartfiles" ]
-    inputs = [ "tools/build/liteos.ld" ]
-  }
-
-  inputs += [ "$root_out_dir/board.ld" ]
-
-  output_dir = target_out_dir
-
-  deps = [
-    ":modules",
-    "platform:copy_board.ld",
-  ]
-}
-
-copy("copy_liteos") {
-  deps = [ ":liteos" ]
-  sources = [ "$target_out_dir/unstripped/bin/liteos" ]
-  outputs = [ "$root_out_dir/$liteos_name" ]
-}
-
-build_ext_component("build_kernel_image") {
-  deps = [ ":copy_liteos" ]
-  exec_path = rebase_path(root_out_dir)
-
-  objcopy = "${compile_prefix}objcopy$toolchain_cmd_suffix"
-  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 -d $liteos_name >$liteos_name.asm'"
-}
+cmd = "if [ -f $device_path/BUILD.gn ]; then echo true; else echo false; fi"
+HAVE_DEVICE_SDK = exec_script("//build/lite/run_shell_cmd.py", [ cmd ], "value")
 
 config("public") {
   configs = [
@@ -364,14 +314,67 @@ group("tests") {
 
 group("kernel") {
   deps = [ ":build_kernel_image" ]
+  visibility += [ "//build/lite:ohos" ]
 }
 
 group("liteos_a") {
-  deps = [
-    ":apps",
-    ":kernel",
-    ":tests",
+}
+
+executable("liteos") {
+  configs = []  # clear default configs
+  configs += [ ":arch_config" ]
+  configs += [ ":public" ]
+
+  ldflags = [
+    "-static",
+    "-nostdlib",
+    "-Wl,--gc-sections",
+    "-Wl,-Map=$liteos_name.map",
+    "-Wl,--no-eh-frame-hdr",
   ]
+
+  libgcc = exec_script("//build/lite/run_shell_cmd.py",
+                       [ "$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) ]
+    inputs = [ "tools/build/liteos_llvm.ld" ]
+  } else {
+    ldflags +=
+        [ "-Wl,-T" + rebase_path("tools/build/liteos.ld", root_build_dir) ]
+    ldflags += [ "-Wl,-nostartfiles" ]
+    inputs = [ "tools/build/liteos.ld" ]
+  }
+
+  inputs += [ "$root_out_dir/board.ld" ]
+
+  output_dir = target_out_dir
+
+  deps = [
+    ":modules",
+    "platform:copy_board.ld",
+  ]
+}
+
+copy("copy_liteos") {
+  deps = [ ":liteos" ]
+  sources = [ "$target_out_dir/unstripped/bin/liteos" ]
+  outputs = [ "$root_out_dir/$liteos_name" ]
+}
+
+build_ext_component("build_kernel_image") {
+  deps = [ ":copy_liteos" ]
+  exec_path = rebase_path(root_out_dir)
+
+  objcopy = "${compile_prefix}objcopy$toolchain_cmd_suffix"
+  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 -d $liteos_name >$liteos_name.asm'"
 }
 
 build_ext_component("make") {
diff --git a/Makefile b/Makefile
index 780d5b6d..9c026c66 100644
--- a/Makefile
+++ b/Makefile
@@ -61,12 +61,6 @@ endif
 
 KCONFIG_CONFIG ?= $(CONFIG)
 SYSROOT_PATH ?= $(OUT)/sysroot
-LITEOS_MENUCONFIG_H ?= $(LITEOSTOPDIR)/config.h
-LITEOS_CONFIG_FILE ?= $(LITEOSTOPDIR)/.config
-
-# export los_config.mk related environment variables
-export LITEOS_MENUCONFIG_H
-export LITEOS_CONFIG_FILE
 
 # export subdir Makefile related environment variables
 export SYSROOT_PATH
@@ -125,7 +119,6 @@ help:
 
 sysroot:
 	$(HIDE)echo "sysroot:" $(abspath $(SYSROOT_PATH))
-ifeq ($(LOSCFG_COMPILER_CLANG_LLVM), y)
 ifeq ($(origin SYSROOT_PATH),file)
 	$(HIDE)mkdir -p $(SYSROOT_PATH)/build && cd $(SYSROOT_PATH)/build && \
 	ln -snf $(LITEOSTOPDIR)/../../prebuilts/lite/sysroot/build/Makefile && \
@@ -135,11 +128,9 @@ ifeq ($(origin SYSROOT_PATH),file)
 		ARCH_CFLAGS="$(LITEOS_CORE_COPTS) -w" \
 		TOPDIR="$(LITEOSTOPDIR)/../.." \
 		SYSROOTDIR="$(SYSROOT_PATH)" \
-		CLANG="$(LITEOS_COMPILER_PATH)clang" \
-		BUILD_ALL_MULTILIB=false \
+		$(if $(LOSCFG_COMPILER_CLANG_LLVM),CLANG="$(LITEOS_COMPILER_PATH)clang",GCC="$(CC)") \
 		BUILD_DEBUG=$(if $(patsubst y,,$(or $(RELEASE:1=y),n)),true,false)
 endif
-endif
 
 $(filter-out menuconfig,$(KCONFIG_CMDS)):
 	$(HIDE)$@ $(args)
diff --git a/apps/Makefile b/apps/Makefile
index 7259e2f6..363c914b 100644
--- a/apps/Makefile
+++ b/apps/Makefile
@@ -34,14 +34,7 @@ export APPSTOPDIR
 
 include $(APPSTOPDIR)/config.mk
 
-all:
-ifneq ($(APP_SUBDIRS), )
-	$(HIDE) for dir in $(APP_SUBDIRS); do $(MAKE) -C $$dir all || exit 1; done
-endif
-
-clean:
-ifneq ($(APP_SUBDIRS), )
-	$(HIDE) for dir in $(APP_SUBDIRS); do $(MAKE) -C $$dir clean || exit 1; done
-endif
+all clean:
+	$(HIDE) for dir in $(APP_SUBDIRS); do $(MAKE) -C $$dir $@ || exit 1; done
 
 .PHONY: all clean
diff --git a/config.mk b/config.mk
index a4fd387b..8007d9ed 100644
--- a/config.mk
+++ b/config.mk
@@ -38,7 +38,7 @@ LITEOS_CXXOPTS  := $(LITEOS_CXXOPTS_BASE)
 LITEOS_INCLUDE  := $(LITEOS_KERNEL_INCLUDE)  $(LITEOS_EXTKERNEL_INCLUDE) \
                    $(LITEOS_COMPAT_INCLUDE)  $(LITEOS_FS_INCLUDE) \
                    $(LITEOS_NET_INCLUDE)     $(LITEOS_LIB_INCLUDE) \
-                   $(LITEOS_DRIVERS_INCLUDE) $(LOSCFG_TOOLS_DEBUG_INCLUDE) \
+                   $(LITEOS_DRIVERS_INCLUDE) $(LITEOS_TOOLS_DEBUG_INCLUDE) \
                    $(LITEOS_PLATFORM_INCLUDE) $(LITEOS_DFX_INCLUDE) \
                    $(LITEOS_SECURITY_INCLUDE)
 LITEOS_LIBDEP   := $(LITEOS_BASELIB)
diff --git a/drivers/BUILD.gn b/drivers/BUILD.gn
index ae8b7b45..d9e29eaa 100644
--- a/drivers/BUILD.gn
+++ b/drivers/BUILD.gn
@@ -29,29 +29,10 @@
 
 import("//kernel/liteos_a/liteos.gni")
 
-group("drivers") {
-  deps = [
-    "block/disk",
-    "char/bch",
-    "char/mem",
-    "char/perf",
-    "char/quickstart",
-    "char/random",
-    "char/trace",
-    "char/video",
-    "mtd/multi_partition",
-  ]
-}
-
-config("public") {
-  configs = [
-    "block/disk:public",
-    "char/bch:public",
-    "char/mem:public",
-    "char/quickstart:public",
-    "char/random:public",
-    "char/video:public",
-    "char/trace:public",
-    "mtd/multi_partition:public",
+module_group("drivers") {
+  modules = [
+    "block",
+    "char",
+    "mtd",
   ]
 }
diff --git a/drivers/block/BUILD.gn b/drivers/block/BUILD.gn
new file mode 100644
index 00000000..d41dafe4
--- /dev/null
+++ b/drivers/block/BUILD.gn
@@ -0,0 +1,34 @@
+# 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.
+
+import("//kernel/liteos_a/liteos.gni")
+
+module_group("block") {
+  modules = [ "disk" ]
+}
diff --git a/drivers/char/BUILD.gn b/drivers/char/BUILD.gn
new file mode 100644
index 00000000..9044b2f8
--- /dev/null
+++ b/drivers/char/BUILD.gn
@@ -0,0 +1,42 @@
+# 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.
+
+import("//kernel/liteos_a/liteos.gni")
+
+module_group("char") {
+  modules = [
+    "bch",
+    "mem",
+    "perf",
+    "quickstart",
+    "random",
+    "trace",
+    "video",
+  ]
+}
diff --git a/drivers/mtd/BUILD.gn b/drivers/mtd/BUILD.gn
new file mode 100644
index 00000000..5a1be361
--- /dev/null
+++ b/drivers/mtd/BUILD.gn
@@ -0,0 +1,34 @@
+# 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.
+
+import("//kernel/liteos_a/liteos.gni")
+
+module_group("mtd") {
+  modules = [ "multi_partition" ]
+}
diff --git a/liteos.gni b/liteos.gni
index 25c1b404..1d69c315 100644
--- a/liteos.gni
+++ b/liteos.gni
@@ -41,28 +41,58 @@ if (defined(LOSCFG_ARCH_ARM_AARCH32)) {
 }
 
 template("kernel_module") {
+  build_gn = rebase_path("BUILD.gn")
+  cmd = "grep -c '^\s*\(kernel_module\|hdf_driver\)\s*(\s*\S*\s*)\s*{\s*\$' $build_gn"
+  modules_count = exec_script("//build/lite/run_shell_cmd.py", [ cmd ], "value")
+  if (modules_count == 1) {
+    auto_config = true
+  }
+
+  cmd = "if grep -q '^\s*\(config\s*(\s*\"public\"\s*)\|module_group\s*(\s*\"\S*\"\s*)\)\s*{\s*\$' $build_gn; then echo true; else echo false; fi"
+  has_public_config =
+      exec_script("//build/lite/run_shell_cmd.py", [ cmd ], "value")
+  if (!has_public_config && defined(auto_config)) {
+    config("public") {
+      configs = []
+    }
+  }
+
   current_dir_name = get_path_info(rebase_path("."), "file")
   if (target_name != current_dir_name) {
-    build_gn = rebase_path("BUILD.gn")
-    cmd = "if grep -q '^\s*group\s*(\s*\"$current_dir_name\"\s*)\s*{\s*\$' $build_gn; then echo true; else echo false; fi"
+    cmd = "if grep -q '^\s*\(module_group\|group\)\s*(\s*\"$current_dir_name\"\s*)\s*{\s*\$' $build_gn; then echo true; else echo false; fi"
     has_current_dir_group =
         exec_script("//build/lite/run_shell_cmd.py", [ cmd ], "value")
-    if (!has_current_dir_group) {
+    if (!has_current_dir_group && defined(auto_config)) {
       module_name = target_name
       group(current_dir_name) {
         public_deps = [ ":$module_name" ]
       }
     }
   }
+
   if (defined(invoker.module_switch) && !invoker.module_switch) {
     group(target_name) {
       not_needed(invoker, "*")
     }
   } else {
     source_set(target_name) {
+      public_configs = []
       forward_variables_from(invoker, "*")
+      if (has_public_config) {
+        included_public_config = false
+        foreach(cfg, public_configs) {
+          what = "label_no_toolchain"
+          if (get_label_info(cfg, what) == get_label_info(":public", what)) {
+            included_public_config = true
+          }
+        }
+        if (!included_public_config) {
+          public_configs += [ ":public" ]
+        }
+      }
     }
   }
+  not_needed([ "auto_config" ])
 }
 
 template("config") {
@@ -77,9 +107,37 @@ template("config") {
   }
 }
 
+template("module_group") {
+  assert(defined(invoker.modules), "modules are must")
+  group(target_name) {
+    deps = []
+    foreach(m, invoker.modules) {
+      deps += [ m ]
+    }
+    if (defined(invoker.deps)) {
+      deps += invoker.deps
+    }
+  }
+  config("public") {
+    configs = []
+    foreach(m, invoker.modules) {
+      configs += [ "$m:public" ]
+    }
+    if (defined(invoker.configs)) {
+      configs += invoker.configs
+    }
+  }
+}
+
 set_defaults("kernel_module") {
   configs = [
     "$LITEOSTOPDIR:public",
     "$LITEOSTOPDIR:los_config",
   ]
+  visibility = [
+    "$LITEOSTOPDIR:*",
+    ":*",
+    "..:*",
+    "../..:*",
+  ]
 }
diff --git a/tools/build/mk/los_config.mk b/tools/build/mk/los_config.mk
index b34bf745..81c6fbb7 100644
--- a/tools/build/mk/los_config.mk
+++ b/tools/build/mk/los_config.mk
@@ -27,6 +27,9 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+LITEOS_MENUCONFIG_H ?= $(LITEOSTOPDIR)/config.h
+LITEOS_CONFIG_FILE ?= $(LITEOSTOPDIR)/.config
+
 -include $(LITEOS_CONFIG_FILE)
 
 ifeq ($(ARCH),)
@@ -46,7 +49,7 @@ get_compiler_path = $(or $(wildcard $(1)),$(dir $(shell which $(CROSS_COMPILE)as
 ifeq ($(LOSCFG_COMPILER_CLANG_LLVM), y)
 CROSS_COMPILE ?= llvm-
 LITEOS_COMPILER_PATH ?= $(call get_compiler_path,$(LITEOSTOPDIR)/../../prebuilts/clang/ohos/linux-x86_64/llvm/bin/)
-LLVM_TARGET = $(if $(LOSCFG_LLVM_TARGET),-target $(LOSCFG_LLVM_TARGET),)
+LLVM_TARGET = $(if $(LOSCFG_LLVM_TARGET:"%"=%),--target=$(LOSCFG_LLVM_TARGET:"%"=%),)
 LLVM_SYSROOT = $(if $(SYSROOT_PATH),--sysroot=$(SYSROOT_PATH),)
 CC  = $(LITEOS_COMPILER_PATH)clang $(LLVM_TARGET) $(LLVM_SYSROOT)
 AS  = $(LITEOS_COMPILER_PATH)$(CROSS_COMPILE)as
@@ -59,7 +62,7 @@ SIZE = $(LITEOS_COMPILER_PATH)$(CROSS_COMPILE)size
 NM = $(LITEOS_COMPILER_PATH)$(CROSS_COMPILE)nm
 STRIP = $(LITEOS_COMPILER_PATH)$(CROSS_COMPILE)strip
 else ifeq ($(LOSCFG_COMPILER_GCC), y)
-CROSS_COMPILE ?= $(LOSCFG_CROSS_COMPILE)
+CROSS_COMPILE ?= $(LOSCFG_CROSS_COMPILE:"%"=%)
 LITEOS_COMPILER_PATH ?= $(call get_compiler_path,$(LITEOSTOPDIR)/../../prebuilts/gcc/linux-x86/arm/arm-linux-ohoseabi-gcc/bin/)
 CC  = $(LITEOS_COMPILER_PATH)$(CROSS_COMPILE)gcc
 AS  = $(LITEOS_COMPILER_PATH)$(CROSS_COMPILE)as
@@ -542,7 +545,7 @@ LITEOS_DFX_INCLUDE    := $(LITEOS_HILOG_INCLUDE) \
                          $(LITEOS_HIDUMPER_INCLUDE)
 
 LITEOS_SECURITY_INCLUDE    := $(LITEOS_SECURITY_CAP_INC) $(LITEOS_SECURITY_VID_INC)
-LOSCFG_TOOLS_DEBUG_INCLUDE := $(LITEOS_SHELL_INCLUDE)  $(LITEOS_UART_INCLUDE) \
+LITEOS_TOOLS_DEBUG_INCLUDE := $(LITEOS_SHELL_INCLUDE)  $(LITEOS_UART_INCLUDE) \
                               $(LITEOS_TELNET_INCLUDE)
 
 LITEOS_COMMON_OPTS  := -fno-pic -fno-builtin -nostdinc -nostdlib -Wall -Werror -fms-extensions -fno-omit-frame-pointer -Wno-address-of-packed-member -Winvalid-pch
diff --git a/tools/build/mk/module.mk b/tools/build/mk/module.mk
index 23820b6d..7fc3d907 100644
--- a/tools/build/mk/module.mk
+++ b/tools/build/mk/module.mk
@@ -37,7 +37,7 @@ LOCAL_OBJS = $(addprefix $(OBJOUT)/,$(addsuffix .o,$(basename $(subst $(TOPDIR)/
 all : $(TARGET)
 
 ifeq ($(HIDE),@)
-ECHO = $1 = echo "  $1" $$(patsubst $$(OUT)/%,%,$$@) && $($1)
+ECHO = $1 = echo "  $1" $$(patsubst $$(OUT)/%,%,$$@) && $1(){ if ! $($1) "$$$$@"; then echo command details: $($1) "$$$$@"; false; fi;};$1
 $(foreach cmd,CC GPP AS AR LD,$(eval $(call ECHO,$(cmd))))
 endif