diff --git a/backend/demo/pom.xml b/backend/demo/pom.xml
index fb51278..bac660b 100644
--- a/backend/demo/pom.xml
+++ b/backend/demo/pom.xml
@@ -1,74 +1,112 @@
 <?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<parent>
-		<groupId>org.springframework.boot</groupId>
-		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.4.4</version>
-		<relativePath/> 
-	</parent>
-	<groupId>com.example</groupId>
-	<artifactId>demo</artifactId>
-	<version>0.0.1-SNAPSHOT</version>
-	<name>demo</name>
-	<description>Demo project for Spring Boot</description>
-	<url/>
-	<licenses>
-		<license/>
-	</licenses>
-	<developers>
-		<developer/>
-	</developers>
-	<scm>
-		<connection/>
-		<developerConnection/>
-		<tag/>
-		<url/>
-	</scm>
-	<properties>
-		<java.version>17</java.version>
-	</properties>
-	<dependencies>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-data-jpa</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-web</artifactId>
-		</dependency>
 
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-docker-compose</artifactId>
-			<scope>runtime</scope>
-			<optional>true</optional>
-		</dependency>
-		<dependency>
-			<groupId>com.mysql</groupId>
-			<artifactId>mysql-connector-j</artifactId>
-			<scope>runtime</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-test</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-           <groupId>com.h2database</groupId>
-           <artifactId>h2</artifactId>
-           <scope>runtime</scope>
-        </dependency>
-	</dependencies>
+<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-maven-plugin</artifactId>
-			</plugin>
-		</plugins>
-	</build>
+<modelVersion>4.0.0</modelVersion>
+
+<parent>
+    <groupId>org.springframework.boot</groupId>
+    <artifactId>spring-boot-starter-parent</artifactId>
+    <version>3.4.4</version>
+    <relativePath/>
+</parent>
+
+<groupId>com.example</groupId>
+<artifactId>demo</artifactId>
+<version>0.0.1-SNAPSHOT</version>
+<name>demo</name>
+<description>Demo project for Spring Boot</description>
+
+<properties>
+    <java.version>17</java.version>
+</properties>
+
+<dependencies>
+    <dependency>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-web</artifactId>
+    </dependency>
+    
+
+    <!-- 数据库驱动：MySQL、H2 -->
+    <dependency>
+        <groupId>com.mysql</groupId>
+        <artifactId>mysql-connector-j</artifactId>
+        <scope>runtime</scope>
+    </dependency>
+   
+
+    <!-- MyBatis-Plus -->
+    <dependency>
+        <groupId>com.baomidou</groupId>
+        <artifactId>mybatis-plus-spring-boot3-starter</artifactId>
+        <version>3.5.5</version>
+    </dependency>
+<!-- <dependency>
+  DO NOT DO THIS
+        <groupId>com.baomidou</groupId>
+        <artifactId>mybatis-plus-boot-starter</artifactId>
+        <version>3.5.5</version>
+    </dependency>
+-->
+    <!-- Spring Boot 配置处理器（可选） -->
+    <dependency>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-configuration-processor</artifactId>
+        <optional>true</optional>
+    </dependency>
+
+    <!-- Docker Compose 支持 -->
+    <dependency>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-docker-compose</artifactId>
+        <scope>runtime</scope>
+        <optional>true</optional>
+    </dependency>
+
+    <!-- 单元测试 -->
+    <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-validation</artifactId>
+</dependency>
+ <dependency>
+    <groupId>org.springframework.boot</groupId>
+    <artifactId>spring-boot-starter-security</artifactId>
+</dependency>
+ <dependency>
+  <groupId>io.jsonwebtoken</groupId>
+  <artifactId>jjwt-api</artifactId>
+  <version>0.11.5</version>
+</dependency>
+<dependency>
+  <groupId>io.jsonwebtoken</groupId>
+  <artifactId>jjwt-impl</artifactId>
+  <version>0.11.5</version>
+  <scope>runtime</scope>
+</dependency>
+<dependency>
+  <groupId>io.jsonwebtoken</groupId>
+  <artifactId>jjwt-jackson</artifactId>
+  <version>0.11.5</version>
+  <scope>runtime</scope>
+</dependency>
+
+</dependencies>
+
+<build>
+    <plugins>
+        <plugin>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-maven-plugin</artifactId>
+        </plugin>
+    </plugins>
+</build>
 
 </project>