diff --git a/APP_Framework/Framework/connection/nbiot/SConscript b/APP_Framework/Framework/connection/nbiot/SConscript
new file mode 100644
index 000000000..2020cce28
--- /dev/null
+++ b/APP_Framework/Framework/connection/nbiot/SConscript
@@ -0,0 +1,18 @@
+import os
+Import('RTT_ROOT')
+from building import *
+SOURCES = []
+SOURCES = ['adapter_nbiot.c'] + SOURCES
+objs = []
+cwd = GetCurrentDir()
+path =  [cwd]
+group = DefineGroup('nb', SOURCES, depend = [], CPPPATH = [cwd])
+objs =  objs + group
+list = os.listdir(cwd)
+
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(path, 'SConscript'))
+
+Return('objs')
\ No newline at end of file
diff --git a/APP_Framework/Framework/connection/nbiot/bc28/Kconfig b/APP_Framework/Framework/connection/nbiot/bc28/Kconfig
index ae773a1d8..dcb7e3d5c 100644
--- a/APP_Framework/Framework/connection/nbiot/bc28/Kconfig
+++ b/APP_Framework/Framework/connection/nbiot/bc28/Kconfig
@@ -36,5 +36,13 @@ if ADD_NUTTX_FETURES
 endif
 
 if ADD_RTTHREAD_FETURES
-
+        config ADAPTER_BC28_DRIVER
+                string "BC28 device uart driver path"
+                default "/dev/uart2"
+        config ADAPTER_BC28_PIN_DRIVER
+                string "BC28 device pin driver path"
+                default "/dev/pin"
+        config ADAPTER_BC28_RESETPIN
+                string "BC28 RESET pin number"
+                default "100"
 endif
diff --git a/APP_Framework/Framework/connection/nbiot/bc28/SConscript b/APP_Framework/Framework/connection/nbiot/bc28/SConscript
new file mode 100644
index 000000000..f657dc41a
--- /dev/null
+++ b/APP_Framework/Framework/connection/nbiot/bc28/SConscript
@@ -0,0 +1,10 @@
+from building import *
+import os
+
+cwd = GetCurrentDir()
+src = []
+if GetDepend(['ADAPTER_BC28']):
+    src += ['bc28.c']
+group = DefineGroup('connection nb bc28', src, depend = [], CPPPATH = [cwd])
+
+Return('group')
\ No newline at end of file