diff --git a/grademanagement-SpringProject/src/com/ssm/first/Department.java b/grademanagement-SpringProject/src/com/ssm/first/Department.java
deleted file mode 100644
index 19cf254..0000000
--- a/grademanagement-SpringProject/src/com/ssm/first/Department.java
+++ /dev/null
@@ -1,91 +0,0 @@
-package com.ssm.first;
-
-public class Department {
-    // 院系ID（主键）
-    private Integer deptId;
-    // 院系名称（如：计算机学院、文学院）
-    private String deptName;
-    // 院系编号（如：001、CS）
-    private String deptCode;
-    // 院系负责人
-    private String deptManager;
-    // 院系联系电话
-    private String deptPhone;
-    // 院系简介
-    private String deptDesc;
-
-    // ==================== getter/setter 方法（Spring setter注入必需） ====================
-    public Integer getDeptId() {
-        return deptId;
-    }
-
-    public void setDeptId(Integer deptId) {
-        this.deptId = deptId;
-    }
-
-    public String getDeptName() {
-        return deptName;
-    }
-
-    public void setDeptName(String deptName) {
-        this.deptName = deptName;
-    }
-
-    public String getDeptCode() {
-        return deptCode;
-    }
-
-    public void setDeptCode(String deptCode) {
-        this.deptCode = deptCode;
-    }
-
-    public String getDeptManager() {
-        return deptManager;
-    }
-
-    public void setDeptManager(String deptManager) {
-        this.deptManager = deptManager;
-    }
-
-    public String getDeptPhone() {
-        return deptPhone;
-    }
-
-    public void setDeptPhone(String deptPhone) {
-        this.deptPhone = deptPhone;
-    }
-
-    public String getDeptDesc() {
-        return deptDesc;
-    }
-
-    public void setDeptDesc(String deptDesc) {
-        this.deptDesc = deptDesc;
-    }
-
-    // ==================== 重写toString()方法（输出所有属性，满足题目要求） ====================
-    @Override
-    public String toString() {
-        return "Department{" +
-                "deptId=" + deptId +
-                ", deptName='" + deptName + '\'' +
-                ", deptCode='" + deptCode + '\'' +
-                ", deptManager='" + deptManager + '\'' +
-                ", deptPhone='" + deptPhone + '\'' +
-                ", deptDesc='" + deptDesc + '\'' +
-                '}';
-    }
-
-    // ==================== 可选：printInfo()方法（与toString二选一，满足题目要求） ====================
-    public void printInfo() {
-        System.out.println("===== 院系信息 =====");
-        System.out.println("院系ID：" + deptId);
-        System.out.println("院系名称：" + deptName);
-        System.out.println("院系编号：" + deptCode);
-        System.out.println("院系负责人：" + deptManager);
-        System.out.println("联系电话：" + deptPhone);
-        System.out.println("院系简介：" + deptDesc);
-        System.out.println("====================");
-    }
-}
-
diff --git a/grademanagement-SpringProject/src/com/ssm/first/TestFirst.java b/grademanagement-SpringProject/src/com/ssm/first/TestFirst.java
index ab8ee33..40e82c9 100644
--- a/grademanagement-SpringProject/src/com/ssm/first/TestFirst.java
+++ b/grademanagement-SpringProject/src/com/ssm/first/TestFirst.java
@@ -10,6 +10,7 @@ public static void main(String[] args) {
     System.out.println("Hello Sping!");
     System.out.println("Hello Sping!");
     System.out.println("Hello Sping!");
+    System.out.println("Hello Sping!");
 
 }
 }