diff --git a/README.md b/README.md
index 2311a48..eab80b8 100644
--- a/README.md
+++ b/README.md
@@ -1,45 +1 @@
 # Student_registration_management_system
-//步骤1//
-#include <stdio.h>
-
-int main() {
-    char choice;
-
-    while (1) {
-        // 显示菜单
-        printf("\n                              1. Input\n");
-        printf("                              2. Output\n");
-        printf("                              3. Order\n");
-        printf("                              4. Quit\n");
-        printf("Please enter your choice: ");
-
-        // 读取用户输入
-        scanf(" %c", &choice);
-
-        // 根据用户选择执行相应操作
-        switch (choice) {
-            case 'i':
-                printf("You are trying to Input info\n");
-                // 在这里执行输入操作的代码
-                break;
-            case 'o':
-                printf("You are trying to Output info\n");
-                // 在这里执行输出操作的代码
-                break;
-            case 'm':
-                printf("You are trying to Make things ordered\n");
-                // 在这里执行排序操作的代码
-                break;
-            case 'q':
-                printf("You are about to Quit\n");
-                // 在这里执行退出操作的代码
-                return 0;
-            default:
-                printf("Wrong input\n");
-                break;
-        }
-    }
-
-    return 0;
-}
-