diff --git a/src/mem.c b/src/mem.c
index 2883008d00..3aa1be8bb6 100644
--- a/src/mem.c
+++ b/src/mem.c
@@ -48,7 +48,7 @@
 #include <rtthread.h>
 
 /* #define RT_MEM_DEBUG */
-/* #define RT_MEM_STATS */
+#define RT_MEM_STATS
 
 #if defined (RT_USING_HEAP) && defined (RT_USING_SMALL_MEM)
 #ifdef RT_USING_HOOK