diff --git a/BUILD.gn b/BUILD.gn
index e1f23db..cb81f9c 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -38,7 +38,7 @@ module_group(module_name) {
     "common",
     "os",
     "plc",
-    # "ftm",
+    "ftm",
     "pib",
     "cli",
     # "import"
diff --git a/ftm/Makefile b/ftm/Makefile
index 916c6ae..f49672f 100644
--- a/ftm/Makefile
+++ b/ftm/Makefile
@@ -30,7 +30,7 @@ SUB_DIRS	+= 	$(TOPDIR)/bb_cpu/common $(TOPDIR)/bb_cpu/bb \
 	$(TOPDIR)/dtest/dtest3/mac_phy/rf_mac \
 	$(TOPDIR)/dtest/dtest3/mac_phy/double_cpu
 
-EXT_SRC   +=  $(TOPDIR)/dtest/dtest3/mac_phy/rf_phy/rf_phy_main.c \
+EXT_SRC   +=   \
 	$(TOPDIR)/dtest/dtest3/mac_phy/rf_phy/rf_phy_rx.c \
 	$(TOPDIR)/dtest/dtest3/mac_phy/rf_phy/rf_phy_tx.c
 endif
diff --git a/plc/BUILD.gn b/plc/BUILD.gn
index e21711d..c0a3c42 100644
--- a/plc/BUILD.gn
+++ b/plc/BUILD.gn
@@ -11,9 +11,15 @@
 
 import("//build/buildcfg.gni")
 
-module_name = "kl_sdk"
+module_name = get_path_info(rebase_path("."), "name")
 
-kernel_module(module_name) {
-  sources=[]
-  include_dirs=[]
+module_group(module_name) {
+  modules = ["halmac","halphy","common","cvg","htbus",":kl_sdk"]
+}
+
+module_name1 = "kl_sdk"
+
+source_module(module_name1) {
+  sources = []
+  include_dirs = []
 }
\ No newline at end of file
diff --git a/plc/common/BUILD.gn b/plc/common/BUILD.gn
new file mode 100644
index 0000000..0e3edc6
--- /dev/null
+++ b/plc/common/BUILD.gn
@@ -0,0 +1,8 @@
+import("//build/buildcfg.gni")
+
+module_name = "kl_sdk"
+
+kernel_module(module_name) {
+  sources=[]
+  include_dirs=[]
+}
\ No newline at end of file
diff --git a/plc/cvg/BUILD.gn b/plc/cvg/BUILD.gn
new file mode 100644
index 0000000..0e3edc6
--- /dev/null
+++ b/plc/cvg/BUILD.gn
@@ -0,0 +1,8 @@
+import("//build/buildcfg.gni")
+
+module_name = "kl_sdk"
+
+kernel_module(module_name) {
+  sources=[]
+  include_dirs=[]
+}
\ No newline at end of file
diff --git a/plc/halmac/BUILD.gn b/plc/halmac/BUILD.gn
new file mode 100644
index 0000000..7dfb46e
--- /dev/null
+++ b/plc/halmac/BUILD.gn
@@ -0,0 +1,15 @@
+
+import("//build/buildcfg.gni")
+
+module_name = get_path_info(rebase_path("."), "name")
+
+module_group(module_name) {
+  modules = ["hw3",":kl_sdk"]
+}
+
+module_name1 = "kl_sdk"
+
+source_module(module_name1) {
+  sources = []
+  include_dirs = []
+}
\ No newline at end of file
diff --git a/plc/halmac/hw3/BUILD.gn b/plc/halmac/hw3/BUILD.gn
new file mode 100644
index 0000000..6d4b822
--- /dev/null
+++ b/plc/halmac/hw3/BUILD.gn
@@ -0,0 +1,8 @@
+import("//build/buildcfg.gni")
+
+module_name = "kl_sdk"
+
+kernel_module(module_name) {
+  sources=[]
+  include_dirs=[]
+}
diff --git a/plc/halphy/BUILD.gn b/plc/halphy/BUILD.gn
new file mode 100644
index 0000000..0e3edc6
--- /dev/null
+++ b/plc/halphy/BUILD.gn
@@ -0,0 +1,8 @@
+import("//build/buildcfg.gni")
+
+module_name = "kl_sdk"
+
+kernel_module(module_name) {
+  sources=[]
+  include_dirs=[]
+}
\ No newline at end of file
diff --git a/plc/htbus/BUILD.gn b/plc/htbus/BUILD.gn
new file mode 100644
index 0000000..0e3edc6
--- /dev/null
+++ b/plc/htbus/BUILD.gn
@@ -0,0 +1,8 @@
+import("//build/buildcfg.gni")
+
+module_name = "kl_sdk"
+
+kernel_module(module_name) {
+  sources=[]
+  include_dirs=[]
+}
\ No newline at end of file