diff --git a/components/external/SConscript b/components/external/SConscript
new file mode 100644
index 0000000000..896e5f029f
--- /dev/null
+++ b/components/external/SConscript
@@ -0,0 +1,13 @@
+# for module compiling
+import os
+Import('RTT_ROOT')
+
+objs = []
+list = os.listdir(os.path.join(RTT_ROOT, 'components', 'external'))
+
+for d in list:
+    path = os.path.join(RTT_ROOT, 'components', 'external', d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+
+Return('objs')
diff --git a/components/external/ftk/SConscript b/components/external/ftk/SConscript
new file mode 100644
index 0000000000..0c125061c6
--- /dev/null
+++ b/components/external/ftk/SConscript
@@ -0,0 +1,7 @@
+# for module compiling
+import os
+Import('RTT_ROOT')
+
+objs = SConscript('ftk/src/os/rt-thread/SConscript')
+
+Return('objs')