diff --git a/day04/.gitignore b/day04/.gitignore
deleted file mode 100644
index 5ff6309..0000000
--- a/day04/.gitignore
+++ /dev/null
@@ -1,38 +0,0 @@
-target/
-!.mvn/wrapper/maven-wrapper.jar
-!**/src/main/**/target/
-!**/src/test/**/target/
-
-### IntelliJ IDEA ###
-.idea/modules.xml
-.idea/jarRepositories.xml
-.idea/compiler.xml
-.idea/libraries/
-*.iws
-*.iml
-*.ipr
-
-### Eclipse ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-build/
-!**/src/main/**/build/
-!**/src/test/**/build/
-
-### VS Code ###
-.vscode/
-
-### Mac OS ###
-.DS_Store
\ No newline at end of file
diff --git a/day04/pom.xml b/day04/pom.xml
deleted file mode 100644
index 78bae64..0000000
--- a/day04/pom.xml
+++ /dev/null
@@ -1,60 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <groupId>com.bw</groupId>
-    <artifactId>day04</artifactId>
-    <version>1.0-SNAPSHOT</version>
-
-    <properties>
-        <maven.compiler.source>8</maven.compiler.source>
-        <maven.compiler.target>8</maven.compiler.target>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
-
-    <dependencies>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-web</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-test</artifactId>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-thymeleaf</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-mail</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-actuator</artifactId>
-        </dependency>
-
-    </dependencies>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
-</project>
diff --git a/day04/src/main/java/com/bw/Day04Application.java b/day04/src/main/java/com/bw/Day04Application.java
deleted file mode 100644
index 5b3ad1c..0000000
--- a/day04/src/main/java/com/bw/Day04Application.java
+++ /dev/null
@@ -1,19 +0,0 @@
-package com.bw;
-
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-
-/**
- * @Author：胡杨
- * @name：Day04
- * @Date：2024/7/22 上午9:09
- * @Description: com.bw
- */
-
-@SpringBootApplication
-public class Day04Application {
-    public static void main(String[] args) {
-        SpringApplication.run(Day04Application.class, args);
-        System.out.println("Day04 模块启动成功!");
-    }
-}
diff --git a/day04/src/main/resources/application.yml b/day04/src/main/resources/application.yml
deleted file mode 100644
index d137baa..0000000
--- a/day04/src/main/resources/application.yml
+++ /dev/null
@@ -1,110 +0,0 @@
-# 服务器相关
-
-server:
-  port: 10001
-
-spring:
-  mvc:
-    pathmatch:
-      matching-strategy: ant_path_matcher
-  datasource:
-      driver-class-name: com.mysql.jdbc.Driver
-      url: jdbc:mysql://127.0.0.1:3306/high-six-exam?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true&useSSL=false&allowPublicKeyRetrieval=true
-      username: root
-      password: 'huyang'
-      druid:
-        # 下面为连接池的补充设置，应用到上面所有数据源中
-        # 初始化大小，最小，最大
-        initial-size: 5
-        min-idle: 5
-        max-active: 20
-        # 配置获取连接等待超时的时间
-        max-wait: 60000
-        # 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒
-        time-between-eviction-runs-millis: 60000
-        # 配置一个连接在池中最小生存的时间，单位是毫秒
-        min-evictable-idle-time-millis: 300000
-        validation-query: SELECT 1 FROM DUAL
-        test-while-idle: true
-        test-on-borrow: false
-        test-on-return: false
-        # 打开PSCache，并且指定每个连接上PSCache的大小
-        pool-prepared-statements: true
-        #   配置监控统计拦截的filters，去掉后监控界面sql无法统计，'wall'用于防火墙
-        max-pool-prepared-statement-per-connection-size: 20
-        filters: stat,wall
-        use-global-data-source-stat: true
-#        # 通过connectProperties属性来打开mergeSql功能；慢SQL记录
-#        connect-properties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000
-  application:
-    name: shop-server
-  redis:
-    host: 127.0.0.1
-    port: 6379
-
-  mail:
-    host: smtp.qq.com
-    username: 2847127106@qq.com
-    password: vhkrbssknqfrdcgi
-    port: 587 # 这个端口根据实际情况配置，一般都是465
-    protocol: smtp # 这里应该是不用改的，我没试过其他的配置
-    test-connection: false
-    default-encoding: UTF-8
-    properties:
-      mail:
-        debug: true
-        smtp:
-          auth: true
-          connectiontimeout: 10000
-          timeout: 10000
-          writetimeout: 10000
-          socketFactory:
-            class: javax.net.ssl.SSLSocketFactory
-            port: 587
-          starttls:
-            enable: true
-            required: true
-  select:
-    multipart:
-      max-file-size: 100MB # 最大支持文件大小
-      max-request-size: 100MB # 最大请求大小
-      enabled: true
-
-
-# mybatis
-mybatis:
-  configuration:
-    map-underscore-to-camel-case: true
-    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
-  mapper-locations: classpath*:mappers/*Mapper.xml
-  global-config:
-    db-config:
-      id-type: auto
-
-
-aliyun:
-  end-point: oss-cn-shanghai.aliyuncs.com
-  access-key-id: LTAI5tSFAGrms29r1xwEFtRM
-  access-key-secret: rztMfqxdYlsMUtIoy9bIOSGEKCWQT7
-  access-pre: https://dongxiaojie.oss-cn-shanghai.aliyuncs.com
-  bucket-name: dongxiaojie
-
-fdfs:
-  so-timeout: 1500 # socket 连接时长
-  connect-timeout: 600 # 连接 tracker 服务器超时时长
-  # 这两个是你服务器的 IP 地址，注意 23000 端口也要打开，阿里云服务器记得配置安全组。tracker 要和 stroage 服务进行交流
-  tracker-list: 118.25.113.208:22122
-  web-server-url: 118.25.113.208:8888
-  pool:
-    jmx-enabled: false
-  # 生成缩略图
-  thumb-image:
-    height: 500
-    width: 500
-
-
-# 布隆过滤器配置
-bloom-filter:
-  expected-insertions: 10000  # 期望插入的元素数量
-  fpp: 0.01  # 误判率
-
diff --git a/day4/.gitignore b/day4/.gitignore
deleted file mode 100644
index 5ff6309..0000000
--- a/day4/.gitignore
+++ /dev/null
@@ -1,38 +0,0 @@
-target/
-!.mvn/wrapper/maven-wrapper.jar
-!**/src/main/**/target/
-!**/src/test/**/target/
-
-### IntelliJ IDEA ###
-.idea/modules.xml
-.idea/jarRepositories.xml
-.idea/compiler.xml
-.idea/libraries/
-*.iws
-*.iml
-*.ipr
-
-### Eclipse ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-build/
-!**/src/main/**/build/
-!**/src/test/**/build/
-
-### VS Code ###
-.vscode/
-
-### Mac OS ###
-.DS_Store
\ No newline at end of file
diff --git a/day4/pom.xml b/day4/pom.xml
deleted file mode 100644
index ae697bf..0000000
--- a/day4/pom.xml
+++ /dev/null
@@ -1,59 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <groupId>com.bw</groupId>
-    <artifactId>day4</artifactId>
-    <version>1.0-SNAPSHOT</version>
-
-    <properties>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
-    <dependencies>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-web</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-test</artifactId>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-thymeleaf</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-mail</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-actuator</artifactId>
-        </dependency>
-
-    </dependencies>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
-</project>
diff --git a/day4/src/main/java/com/bw/Day04Application.java b/day4/src/main/java/com/bw/Day04Application.java
deleted file mode 100644
index 5b3ad1c..0000000
--- a/day4/src/main/java/com/bw/Day04Application.java
+++ /dev/null
@@ -1,19 +0,0 @@
-package com.bw;
-
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-
-/**
- * @Author：胡杨
- * @name：Day04
- * @Date：2024/7/22 上午9:09
- * @Description: com.bw
- */
-
-@SpringBootApplication
-public class Day04Application {
-    public static void main(String[] args) {
-        SpringApplication.run(Day04Application.class, args);
-        System.out.println("Day04 模块启动成功!");
-    }
-}
diff --git a/day4/src/main/resources/application.yml b/day4/src/main/resources/application.yml
deleted file mode 100644
index d137baa..0000000
--- a/day4/src/main/resources/application.yml
+++ /dev/null
@@ -1,110 +0,0 @@
-# 服务器相关
-
-server:
-  port: 10001
-
-spring:
-  mvc:
-    pathmatch:
-      matching-strategy: ant_path_matcher
-  datasource:
-      driver-class-name: com.mysql.jdbc.Driver
-      url: jdbc:mysql://127.0.0.1:3306/high-six-exam?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true&useSSL=false&allowPublicKeyRetrieval=true
-      username: root
-      password: 'huyang'
-      druid:
-        # 下面为连接池的补充设置，应用到上面所有数据源中
-        # 初始化大小，最小，最大
-        initial-size: 5
-        min-idle: 5
-        max-active: 20
-        # 配置获取连接等待超时的时间
-        max-wait: 60000
-        # 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒
-        time-between-eviction-runs-millis: 60000
-        # 配置一个连接在池中最小生存的时间，单位是毫秒
-        min-evictable-idle-time-millis: 300000
-        validation-query: SELECT 1 FROM DUAL
-        test-while-idle: true
-        test-on-borrow: false
-        test-on-return: false
-        # 打开PSCache，并且指定每个连接上PSCache的大小
-        pool-prepared-statements: true
-        #   配置监控统计拦截的filters，去掉后监控界面sql无法统计，'wall'用于防火墙
-        max-pool-prepared-statement-per-connection-size: 20
-        filters: stat,wall
-        use-global-data-source-stat: true
-#        # 通过connectProperties属性来打开mergeSql功能；慢SQL记录
-#        connect-properties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000
-  application:
-    name: shop-server
-  redis:
-    host: 127.0.0.1
-    port: 6379
-
-  mail:
-    host: smtp.qq.com
-    username: 2847127106@qq.com
-    password: vhkrbssknqfrdcgi
-    port: 587 # 这个端口根据实际情况配置，一般都是465
-    protocol: smtp # 这里应该是不用改的，我没试过其他的配置
-    test-connection: false
-    default-encoding: UTF-8
-    properties:
-      mail:
-        debug: true
-        smtp:
-          auth: true
-          connectiontimeout: 10000
-          timeout: 10000
-          writetimeout: 10000
-          socketFactory:
-            class: javax.net.ssl.SSLSocketFactory
-            port: 587
-          starttls:
-            enable: true
-            required: true
-  select:
-    multipart:
-      max-file-size: 100MB # 最大支持文件大小
-      max-request-size: 100MB # 最大请求大小
-      enabled: true
-
-
-# mybatis
-mybatis:
-  configuration:
-    map-underscore-to-camel-case: true
-    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
-  mapper-locations: classpath*:mappers/*Mapper.xml
-  global-config:
-    db-config:
-      id-type: auto
-
-
-aliyun:
-  end-point: oss-cn-shanghai.aliyuncs.com
-  access-key-id: LTAI5tSFAGrms29r1xwEFtRM
-  access-key-secret: rztMfqxdYlsMUtIoy9bIOSGEKCWQT7
-  access-pre: https://dongxiaojie.oss-cn-shanghai.aliyuncs.com
-  bucket-name: dongxiaojie
-
-fdfs:
-  so-timeout: 1500 # socket 连接时长
-  connect-timeout: 600 # 连接 tracker 服务器超时时长
-  # 这两个是你服务器的 IP 地址，注意 23000 端口也要打开，阿里云服务器记得配置安全组。tracker 要和 stroage 服务进行交流
-  tracker-list: 118.25.113.208:22122
-  web-server-url: 118.25.113.208:8888
-  pool:
-    jmx-enabled: false
-  # 生成缩略图
-  thumb-image:
-    height: 500
-    width: 500
-
-
-# 布隆过滤器配置
-bloom-filter:
-  expected-insertions: 10000  # 期望插入的元素数量
-  fpp: 0.01  # 误判率
-