diff --git a/class_studentManager.py b/class_studentManager.py
new file mode 100644
index 0000000..9054cd3
--- /dev/null
+++ b/class_studentManager.py
@@ -0,0 +1,95 @@
+# 添加学员
+def addStudent(name,sex,telephone):
+    fp = open('student.txt', 'a')
+    fp.writelines(name + '，' + sex + '，' + telephone + '\n')
+    print(name + '，' + sex + '，' + telephone)
+    fp.close()
+
+
+# 删除学员
+def deleteStudent(name):
+    with open('student.txt','r') as file:
+        lines = file.readlines()
+    with open('student.txt','w') as file:
+        for line in lines:
+            if name not in line:
+                file.writelines(line)
+
+
+# 修改学员信息
+def updateStudent(name,sex,telephton):
+    b = False
+    with open('student.txt','r') as file:
+        lines = file.readlines()
+    with open('student.txt','w') as file:
+        for line in lines:
+            if name not in line:
+                file.writelines(line)
+            elif name in line:
+                print('111')
+                file.writelines(name + '，' + sex + '，' + telephone + '\n')
+                b = True
+    return b
+
+# 查询学员信息
+def findStudent(name):
+    with open('student.txt','r') as file:
+        lines = file.readlines()
+    with open('student.txt','r') as file:
+        for line in lines:
+            if name in line:
+                print(line.replace('\n',''))
+                return 0
+    print('没有姓名为{}的学员'.format(name))
+
+
+# 显示所有成员
+def showStudent():
+    fp = open('student.txt', 'r')
+    readlines = fp.readlines()
+    print(readlines)
+
+
+if __name__ == '__main__':
+
+    # 功能选择界面
+    print("请选择如下功能：")
+    print("1：添加学员")
+    print("2：删除学员")
+    print("3：修改学员信息")
+    print("4：查询学员信息")
+    print("5：显示所有学员信息信息")
+    print("6：保存学员信息")
+    print("7：退出系统")
+
+    choise = int(input('请输入您需要的功能序号：'))
+
+    match choise:
+        case 1:
+            name = input('请输入姓名：')
+            sex = input('请输入性别：')
+            telephone = input('请输入电话：')
+            addStudent(name, sex, telephone)
+        case 2:
+            name = input('请输入删除学员的姓名：')
+            deleteStudent(name)
+            print('{}删除成功'.format(name))
+        case 3:
+            name = input('请输入需要修改学员的姓名：')
+            sex = input('请输入修改学员的性别：')
+            telephone = input('请输入修改学员的电话：')
+            student = updateStudent(name, sex, telephone)
+            if student:
+                print('修改成功！')
+            else:
+                print('没有找到{}，修改失败'.format(name))
+        case 4:
+            name = input('请输入查询学员的姓名：')
+            findStudent(name)
+        case 5:
+            showStudent()
+        case 6:
+            print('保存成功!')
+        case 7:
+            print('退出成功，欢迎下次使用~')
+            exit(0)