diff --git a/list.h b/list.h
index 5753fa1aed802d57c9fea64f359f2c0244b9c82b..20b53fe94aaa92f314b450f555d13d0bead216d8 100644
--- a/list.h
+++ b/list.h
@@ -1,7 +1,7 @@
 /*
  * list.h
  *
- *  Created on: 2023Äê3ÔÂ24ÈÕ
+ *  Created on: 2023324
  *      Author: hello
  */
 
@@ -10,6 +10,7 @@
 
 
 #include <stdint.h>
+#include <stddef.h>
 
 typedef struct list
 {