diff --git a/.idea/misc.xml b/.idea/misc.xml
index 01c24a3..1dab215 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -5,6 +5,7 @@
     <option name="originalFiles">
       <list>
         <option value="$PROJECT_DIR$/C05-1-MyBatis-XML-Demo/pom.xml" />
+        <option value="$PROJECT_DIR$/SimpleStudentManagementSystem/pom.xml" />
       </list>
     </option>
   </component>
diff --git a/Readme.md b/Readme.md
index cfe8a38..6b25699 100644
--- a/Readme.md
+++ b/Readme.md
@@ -33,3 +33,6 @@
 4. 删除某个人某条成绩
 ##### 选做内容
 1. 查询某人成绩同时计算平均分
+
+### 更新内容
+1. 2024-10-20: 更新化简项目后，残留的cookie
\ No newline at end of file
diff --git a/SimpleStudentManagementSystem/src/main/java/edu/maxxie/controller/StudentController.java b/SimpleStudentManagementSystem/src/main/java/edu/maxxie/controller/StudentController.java
index 12ecfee..78f3239 100644
--- a/SimpleStudentManagementSystem/src/main/java/edu/maxxie/controller/StudentController.java
+++ b/SimpleStudentManagementSystem/src/main/java/edu/maxxie/controller/StudentController.java
@@ -24,11 +24,9 @@ public class StudentController {
     public String getStudentPage(){
         return "student";
     }
+    
     @GetMapping("addstudentpage")
-    public String addStudentPage(@CookieValue(value = "username")String username, Model model){
-        Account account = new Account();
-        account.setAccount(username);
-        model.addAttribute("account",account);
+    public String addStudentPage(){
         return "addstudent";
     }
     // 处理数据
diff --git a/SimpleStudentManagementSystem/src/main/resources/application.properties b/SimpleStudentManagementSystem/src/main/resources/application.properties
index fffec34..e1a2d94 100644
--- a/SimpleStudentManagementSystem/src/main/resources/application.properties
+++ b/SimpleStudentManagementSystem/src/main/resources/application.properties
@@ -1,33 +1,22 @@
 spring.application.name=SimpleStudentManagementSystem
-#热部署生效
 spring.devtools.restart.enabled=true
-#设置重启目录
 spring.devtools.restart.additional-paths=src/main/java
-# 指定时区 避免因时区差异而导致的日期时间解析错误
 spring.jackson.time-zone=Asia/Shanghai
-#设置 cLasspath 目录下的WEB-INF文件夹内容修改不重启(有静态资源才需要）（需要修改成对应值）
 spring.devtools.restart.exclude=static/**
 
-# 数据库驱动
 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
-# 数据库链接（需要修改成对应值）
 spring.datasource.url=jdbc:mysql://localhost:3306/mybatis
-# 数据库账号（需要修改成对应值）
 spring.datasource.username=root
-# 数据库密码（需要修改成对应值）
 spring.datasource.password=123456
-# 配置 mybatis 的日志，指定输出到控制台
 mybatis.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl
-# 开启 mybatis 的驼峰命名自动映射开关
 mybatis.configuration.map-underscore-to-camel-case=true
-# 配置 mybatis 的映射文件路径
+
 mybatis.mapper-locations=classpath*:mapper/*.xml
-# 自动为包下所有Java类注册类型别名（需要修改成对应值）
 mybatis.type-aliases-package=edu.maxxie.pojo
-# 启用事务管理
+
 spring.transaction.annotation-proxy-target-class=true
 
-# Thymeleaf 配置
+
 server.port=8080
 server.servlet.context-path=/
 spring.thymeleaf.cache=false