diff --git a/input_output.c b/input_output.c
deleted file mode 100644
index 06b72f0..0000000
--- a/input_output.c
+++ /dev/null
@@ -1,70 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <string.h>
-#include<time.h>
-#include "menu.h"
-
-#define MAX_INPUT_LENGTH 10
-
-void displayMenu() {
-    printf("                              1.Input\n");
-    printf("                              2.Output\n");
-    printf("                              3.Insert\n");
-    printf("                              4.Delete\n");
-    printf("                              5.Modify\n");
-    printf("                              6.Query\n");
-    printf("                              7.Quit\n");
-    printf("Please input your option: \n");
-}
-
-void inputStudentInfo(Student students[], int* count) {
-    int numToInput;
-    char input[10];
-    printf("请输入要添加的学生数量: ");
-    if (scanf_s("%d", &numToInput) != 1) {
-        printf("无效输入，请输入一个整数。\n");
-        return;
-    }
-    if (*count + numToInput > MAX_STUDENTS) {
-        printf("无法添加更多学生，已达到最大容量。\n");
-        return;
-    }
-
-    for (int i = 0; i < numToInput; i++) {
-        printf("Id: ");
-        scanf_s("%9s", students[*count].id, (unsigned)_countof(students[*count].id));
-        printf("Class: ");
-        scanf_s("%9s", students[*count].clas, (unsigned)_countof(students[*count].clas));
-        printf("Name: ");
-        scanf_s("%9s", students[*count].name, (unsigned)_countof(students[*count].name));
-        printf("Score1: ");
-        scanf_s("%lf", &students[*count].score1);
-        printf("Score2: ");
-        scanf_s("%lf", &students[*count].score2);
-        printf("Score3: ");
-        scanf_s("%lf", &students[*count].score3);
-        students[*count].score = students[*count].score1 + students[*count].score2 + students[*count].score3;
-        (*count)++;
-            start:
-            printf("continue?(yes/no)\n");
-            scanf_s("%9s", input, (unsigned)_countof(input));
-            if (strcmp(input, "yes") == 0) {
-                continue;
-            }
-            else if (strcmp(input, "no") == 0) {
-                break;
-            }
-            else {
-                printf("无效输入，请输入yes或no。\n");
-                goto start;
-            }
-    }
-}
-void displayStudentInfo(Student students[], int count) {
-    for (int i = 0; i < count; i++) {
-        printf("%s %s %s %.1lf %.1lf %.1lf %.1lf\n", students[i].id, students[i].clas, students[i].name,
-            students[i].score1, students[i].score2, students[i].score3, students[i].score);
-    }
-}
-