diff --git a/bsp/lm3s/rtconfig.h b/bsp/lm3s/rtconfig.h
index 0ddeff81fcf829e02a8cc55f6a02e7b2914fcff4..fcaa9ea7a521be4f2ba8d91bd11e09262689637c 100644
--- a/bsp/lm3s/rtconfig.h
+++ b/bsp/lm3s/rtconfig.h
@@ -62,7 +62,8 @@
 // #define RT_USING_UART2
 // #define RT_USING_UART3
 
-/* SECTION: Console options */
+/* SECTION: Console options */
+#define RT_USING_CONSOLE
 /* the buffer size of console*/
 #define RT_CONSOLEBUF_SIZE	128