diff --git a/src/data.c b/src/data.c
index 489655a..feca189 100644
--- a/src/data.c
+++ b/src/data.c
@@ -1,7 +1,28 @@
+#define NAME_LEN 31
+#define MAX_PARTS 100
+
+struct students
+{
+    int number;
+    char name[NAME_LEN + 1];
+    int score;
+};
+static struct students stu[MAX_PARTS];
+static int num_parts = 0;
 #include <stdio.h>
 #include <stdlib.h>
 
-
+//定义常量
+#define CMD_QUIT 0
+#define CMD_QUERY 4
+#define CMD_INSERT 5
+#define CMD_UPDATE 6
+#define CMD_DELETE 7
+#define CMD_READ 1
+#define CMD_SAVE 2
+#define CMD_PRINT 3
+#define CMD_SORT 8
+#define CMD_CHART 9
 
 // 函数定义
 void init(void)
diff --git a/src/data.h b/src/data.h
index 4e73be7..a5ef5e2 100644
--- a/src/data.h
+++ b/src/data.h
@@ -1,27 +1,6 @@
 #define NAME_LEN 31
 #define MAX_PARTS 100
 
-struct students
-{
-    int number;
-    char name[NAME_LEN + 1];
-    int score;
-};
-static struct students stu[MAX_PARTS];
-static int num_parts = 0;
-
-//定义常量
-#define CMD_QUIT 0
-#define CMD_QUERY 4
-#define CMD_INSERT 5
-#define CMD_UPDATE 6
-#define CMD_DELETE 7
-#define CMD_READ 1
-#define CMD_SAVE 2
-#define CMD_PRINT 3
-#define CMD_SORT 8
-#define CMD_CHART 9
-// 菜单命令的编号
 
 // 函数声明
 void init(void);