diff --git a/APP_Framework/Framework/connection/4g/SConscript b/APP_Framework/Framework/connection/4g/SConscript
new file mode 100644
index 000000000..9365cab84
--- /dev/null
+++ b/APP_Framework/Framework/connection/4g/SConscript
@@ -0,0 +1,18 @@
+import os
+Import('RTT_ROOT')
+from building import *
+SOURCES = []
+SOURCES = ['adapter_4g.c'] + SOURCES
+objs = []
+cwd = GetCurrentDir()
+path =  [cwd]
+group = DefineGroup('4g', 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/4g/ec200t/Kconfig b/APP_Framework/Framework/connection/4g/ec200t/Kconfig
index c5ac4a37f..a4b43b7ef 100644
--- a/APP_Framework/Framework/connection/4g/ec200t/Kconfig
+++ b/APP_Framework/Framework/connection/4g/ec200t/Kconfig
@@ -3,19 +3,13 @@ config ADAPTER_4G_EC200T
         default "ec200t"
 
 if ADD_XIZI_FETURES
-        config ADAPTER_EC200T_USING_PWRKEY
-                bool "EC200T using PWRKEY pin number"
-                default n
+        config ADAPTER_EC200T_PWRKEY
+                int "EC200T PWRKEY pin number"
+                default "97"
 
-        if ADAPTER_EC200T_USING_PWRKEY
-                config ADAPTER_EC200T_PWRKEY
-                        int "EC200T PWRKEY pin number"
-                        default "97"
-
-                config ADAPTER_EC200T_PIN_DRIVER
-                        string "EC200T device pin driver path"
-                        default "/dev/pin_dev"
-        endif
+        config ADAPTER_EC200T_PIN_DRIVER
+                string "EC200T device pin driver path"
+                default "/dev/pin_dev"
 
         config ADAPTER_EC200T_DRIVER_EXTUART
                 bool "Using extra uart to support 4G"
@@ -45,5 +39,13 @@ if ADD_NUTTX_FETURES
 endif
 
 if ADD_RTTHREAD_FETURES
-
+        config ADAPTER_EC200T_DRIVER
+                string "EC200T device uart driver path"
+                default "/dev/uart2"
+        config ADAPTER_EC200T_PIN_DRIVER
+                string "EC200T device pin driver path"
+                default "/dev/pin"
+        config ADAPTER_EC200T_PWRKEY
+                int "EC200T PWRKEY pin number"
+                default "97"              
 endif
diff --git a/APP_Framework/Framework/connection/4g/ec200t/SConscript b/APP_Framework/Framework/connection/4g/ec200t/SConscript
new file mode 100644
index 000000000..242e1f3fb
--- /dev/null
+++ b/APP_Framework/Framework/connection/4g/ec200t/SConscript
@@ -0,0 +1,10 @@
+from building import *
+import os
+
+cwd = GetCurrentDir()
+src = []
+if GetDepend(['ADAPTER_EC200T']):
+    src += ['ec200t.c']
+group = DefineGroup('connection 4g ec200t', src, depend = [], CPPPATH = [cwd])
+
+Return('group')
\ No newline at end of file