diff --git a/bsp/lm3s/rtconfig.h b/bsp/lm3s/rtconfig.h
index fcaa9ea7a5..2373f86949 100644
--- a/bsp/lm3s/rtconfig.h
+++ b/bsp/lm3s/rtconfig.h
@@ -16,7 +16,7 @@
 
 /* SECTION: RT_DEBUG */
 /* Thread Debug*/
-/* #define RT_DEBUG*/
+#define RT_DEBUG
 /* #define RT_THREAD_DEBUG */
 
 /* Using Hook*/