diff --git a/StudentManagementTest.java b/StudentManagementTest.java
deleted file mode 100644
index e44f1e8..0000000
--- a/StudentManagementTest.java
+++ /dev/null
@@ -1,170 +0,0 @@
-package com.studentmanagement;
-
-import com.studentmanagement.controller.StudentController;
-import com.studentmanagement.model.Student;
-import com.studentmanagement.exception.StudentNotFoundException;
-import com.studentmanagement.exception.DuplicateStudentException;
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-import java.util.List;
-import static org.junit.jupiter.api.Assertions.*;
-
-/**
- * 学生管理系统测试类
- * 测试Model和Controller层的核心功能
- */
-public class StudentManagementTest {
-    private StudentController controller;
-
-    @BeforeEach
-    void setUp() {
-        // 每个测试方法执行前初始化控制器
-        controller = new StudentController();
-    }
-
-    @Test
-    void testGetAllStudents() {
-        // 测试获取所有学生
-        List<Student> students = controller.getAllStudents();
-        assertNotNull(students);
-        // 初始数据有3个学生
-        assertTrue(students.size() >= 3);
-    }
-
-    @Test
-    void testGetStudentById_Found() throws StudentNotFoundException {
-        // 测试根据ID查找存在的学生
-        Student student = controller.getStudentById(1);
-        assertNotNull(student);
-        assertEquals(1, student.getId());
-        assertEquals("张三", student.getName());
-    }
-
-    @Test
-    void testGetStudentById_NotFound() {
-        // 测试根据ID查找不存在的学生
-        assertThrows(StudentNotFoundException.class, () -> {
-            controller.getStudentById(999);
-        });
-    }
-
-    @Test
-    void testAddStudent_Success() throws DuplicateStudentException {
-        // 测试添加新学生成功
-        Student newStudent = new Student(10, "测试学生", 22, "软件工程", 88.0);
-        controller.addStudent(newStudent);
-        
-        // 验证学生是否添加成功
-        try {
-            Student addedStudent = controller.getStudentById(10);
-            assertNotNull(addedStudent);
-            assertEquals("测试学生", addedStudent.getName());
-        } catch (StudentNotFoundException e) {
-            fail("学生添加失败，找不到添加的学生");
-        }
-    }
-
-    @Test
-    void testAddStudent_Duplicate() throws DuplicateStudentException {
-        // 测试添加重复ID的学生
-        Student student1 = new Student(20, "重复测试1", 23, "数据库", 92.0);
-        controller.addStudent(student1);
-        
-        // 尝试添加相同ID的学生
-        Student student2 = new Student(20, "重复测试2", 24, "网络", 85.0);
-        assertThrows(DuplicateStudentException.class, () -> {
-            controller.addStudent(student2);
-        });
-    }
-
-    @Test
-    void testUpdateStudent_Success() throws StudentNotFoundException, DuplicateStudentException {
-        // 先添加一个学生用于测试更新
-        Student student = new Student(30, "待更新学生", 20, "Java基础", 75.0);
-        controller.addStudent(student);
-        
-        // 更新学生信息
-        Student updatedStudent = new Student(30, "已更新学生", 21, "Java高级", 85.0);
-        controller.updateStudent(updatedStudent);
-        
-        // 验证更新是否成功
-        Student retrievedStudent = controller.getStudentById(30);
-        assertEquals("已更新学生", retrievedStudent.getName());
-        assertEquals(21, retrievedStudent.getAge());
-        assertEquals("Java高级", retrievedStudent.getCourse());
-        assertEquals(85.0, retrievedStudent.getGrade());
-    }
-
-    @Test
-    void testUpdateStudent_NotFound() {
-        // 测试更新不存在的学生
-        Student student = new Student(999, "不存在的学生", 22, "测试课程", 80.0);
-        assertThrows(StudentNotFoundException.class, () -> {
-            controller.updateStudent(student);
-        });
-    }
-
-    @Test
-    void testDeleteStudent_Success() throws StudentNotFoundException, DuplicateStudentException {
-        // 先添加一个学生用于测试删除
-        Student student = new Student(40, "待删除学生", 22, "测试课程", 78.0);
-        controller.addStudent(student);
-        
-        // 删除学生
-        controller.deleteStudent(40);
-        
-        // 验证删除是否成功
-        assertThrows(StudentNotFoundException.class, () -> {
-            controller.getStudentById(40);
-        });
-    }
-
-    @Test
-    void testDeleteStudent_NotFound() {
-        // 测试删除不存在的学生
-        assertThrows(StudentNotFoundException.class, () -> {
-            controller.deleteStudent(999);
-        });
-    }
-
-    @Test
-    void testGetStudentsByCourse() {
-        // 测试根据课程查找学生
-        List<Student> javaStudents = controller.getStudentsByCourse("Java编程");
-        assertNotNull(javaStudents);
-        // 初始数据中应该有一个Java编程的学生
-        assertTrue(javaStudents.size() >= 1);
-        
-        // 验证所有返回的学生都是Java编程课程
-        for (Student student : javaStudents) {
-            assertTrue(student.getCourse().equalsIgnoreCase("Java编程"));
-        }
-    }
-
-    @Test
-    void testGetStudentsByGradeAbove() {
-        // 测试查找成绩高于指定分数的学生
-        List<Student> highGradeStudents = controller.getStudentsByGradeAbove(88.0);
-        assertNotNull(highGradeStudents);
-        
-        // 验证所有返回的学生成绩都高于等于88.0
-        for (Student student : highGradeStudents) {
-            assertTrue(student.getGrade() >= 88.0);
-        }
-    }
-
-    @Test
-    void testCalculateAverageGradeByCourse() {
-        // 测试计算课程平均成绩
-        double avgGrade = controller.calculateAverageGradeByCourse("Java编程");
-        // 初始数据中Java编程的学生成绩为85.5
-        assertTrue(avgGrade > 0);
-    }
-
-    @Test
-    void testCalculateAverageAge() {
-        // 测试计算平均年龄
-        double avgAge = controller.calculateAverageAge();
-        assertTrue(avgAge > 0);
-    }
-}
\ No newline at end of file