diff --git a/README.md b/README.md
index 590c7a8..97ca78e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,119 @@
-# int
+
++import json
++
++
++student_data = []
++def add_student():
++ id = input("请输入学员学号: ")
++ student_id = input("请输入学员姓名: ")
++ gender = input("请输入性别: ")
++ tel = input("请输入电话号码：")
++ student_info = {
++ "学号": id,
++ "姓名": student_id,
++ "性别": gender,
++ "电话号码":tel
++ }
++
++ student_data.append(student_info)
++ print("学员信息添加成功！")
++
++
++
++def delete_student():
++ student_id = input("请输入要删除的学号: ")
++
++ for student in student_data:
++ if student["学号"] == student_id:
++ student_data.remove(student)
++ print("学员信息删除成功！")
++ break
++ else:
++ print("未找到该学号的学员信息。")
++
++
++
++def modify_student():
++ student_id = input("请输入要修改的学号: ")
++
++ for student in student_data:
++ if student["学号"] == student_id:
++ name = input("请输入新的姓名: ")
++ age = input("请输入新的性别: ")
++ tel = input("电话号码: ")
++ student["姓名"] = name
++ student["性别"] = age
++ student["电话号码"] = tel
++ print("学员信息修改成功！")
++ break
++ else:
++ print("未找到该学号的学员信息。")
++
++
++def select():
++ student_id = input("请输入要修改的学号: ")
++
++ for student in student_data:
++ if student["学号"] == student_id:
++ print(student["学号"],student["姓名"],student["性别"],student["电话号码"])
++ break
++ else:
++ print("未找到该学号的学员信息。")
++
++# 定义函数：保存学员信息到文件
++def save_student_data():
++ with open("student_data.json", "w") as file:
++ json.dump(student_data, file)
++ print("学员信息已保存！")
++
++
++
++def load_student_data():
++ try:
++ with open("student_data.json", "r") as file:
++ data = json.load(file)
++ student_data.extend(data)
++ print("学员信息已加载！")
++ except FileNotFoundError:
++ print("未找到学员信息文件。")
++
++
++# 主程序
++load_student_data()
++
++while True:
++ print("\n学生信息管理系统")
++ print("1. 添加学员信息")
++ print("2. 删除学员信息")
++ print("3. 修改学员信息")
++ print("4. 保存学员信息")
++ print("5. 查询学员信息")
++ print("6. 显示学员信息")
++ print("7. 退出系统")
++ choice = input("请输入操作序号: ")
++
++ if choice == "1":
++ add_student()
++ elif choice == "2":
++ delete_student()
++ elif choice == "3":
++ modify_student()
++ elif choice == "4":
++ save_student_data()
++ elif choice == "5":
++ select()
++ elif choice == "6":
++ print("学员信息如下:")
++ for student in student_data:
++ print("学号:", student["学号"])
++ print("姓名:", student["姓名"])
++ print("性别:", student["性别"])
++ print("电话号码:", student["电话号码"])
++ print("--------------------------")
++ elif choice == "7":
++ save_student_data()
++ print("感谢使用学生信息管理系统，再见！")
++ break
++ else:
++ print("无效的操作序号，请重新输入。")