diff --git a/bsp/gd32e230k-start/SConscript b/bsp/gd32e230k-start/SConscript
index fe0ae941ae..20f7689c53 100644
--- a/bsp/gd32e230k-start/SConscript
+++ b/bsp/gd32e230k-start/SConscript
@@ -1,8 +1,9 @@
 # for module compiling
 import os
 Import('RTT_ROOT')
+from building import *
 
-cwd = str(Dir('#'))
+cwd = GetCurrentDir()
 objs = []
 list = os.listdir(cwd)
 
diff --git a/bsp/gd32e230k-start/drivers/SConscript b/bsp/gd32e230k-start/drivers/SConscript
index 45fd672f5f..df3af3519e 100644
--- a/bsp/gd32e230k-start/drivers/SConscript
+++ b/bsp/gd32e230k-start/drivers/SConscript
@@ -1,8 +1,6 @@
-Import('RTT_ROOT')
-Import('rtconfig')
 from building import *
 
-cwd = os.path.join(str(Dir('#')), 'drivers')
+cwd = GetCurrentDir()
 
 # add the general drivers.
 src = Split("""