diff --git a/Assignment1/backend/Assignments/pom.xml b/Assignment1/backend/Assignments/pom.xml
index c335d47..bad8201 100644
--- a/Assignment1/backend/Assignments/pom.xml
+++ b/Assignment1/backend/Assignments/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.7.3</version>
+		<version>3.4.3</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.cyberlanting</groupId>
@@ -27,7 +27,7 @@
 		<url/>
 	</scm>
 	<properties>
-		<java.version>8</java.version>
+		<java.version>17</java.version>
 	</properties>
 	<dependencies>
 		<dependency>
@@ -44,15 +44,11 @@
 			<artifactId>lombok</artifactId>
 			<scope>provided</scope>
 		</dependency>
-		<!-- https://mvnrepository.com/artifact/com.github.xiaoymin/knife4j -->
 		<dependency>
-			<groupId>com.github.xiaoymin</groupId>
-			<artifactId>knife4j</artifactId>
-			<version>3.0.2</version>
-			<type>pom</type>
+			<groupId>org.springdoc</groupId>
+			<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
+			<version>2.8.5</version>
 		</dependency>
-
-
 	</dependencies>
 
 <!--	<build>-->
diff --git a/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/AssignmentsApplication.java b/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/AssignmentsApplication.java
index 0a02cc0..c397e0e 100644
--- a/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/AssignmentsApplication.java
+++ b/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/AssignmentsApplication.java
@@ -1,10 +1,8 @@
 package com.cyberlanting.Assignments;
 
-import com.spring4all.swagger.EnableSwagger2Doc;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
-@EnableSwagger2Doc
 @SpringBootApplication
 public class AssignmentsApplication {
 
diff --git a/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/config/Swagger2Config.java b/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/config/Swagger2Config.java
deleted file mode 100644
index 875944d..0000000
--- a/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/config/Swagger2Config.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package com.cyberlanting.Assignments.config;
-
-public class Swagger2Config {
-
-    private ApiInfo admian
-}
diff --git a/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/config/SwaggerConfig.java b/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/config/SwaggerConfig.java
new file mode 100644
index 0000000..511ac38
--- /dev/null
+++ b/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/config/SwaggerConfig.java
@@ -0,0 +1,15 @@
+package com.cyberlanting.Assignments.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class SwaggerConfig implements WebMvcConfigurer {
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+        registry.addResourceHandler("/swagger-ui/**")
+                .addResourceLocations("classpath:/META-INF/resources/webjars/springdoc-openapi-ui/")
+                .resourceChain(false);
+    }
+}
diff --git a/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/controller/UserController.java b/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/controller/UserController.java
index 43401ab..60589dd 100644
--- a/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/controller/UserController.java
+++ b/Assignment1/backend/Assignments/src/main/java/com/cyberlanting/Assignments/controller/UserController.java
@@ -1,10 +1,13 @@
 package com.cyberlanting.Assignments.controller;
 
 import com.cyberlanting.Assignments.pojo.User;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.*;
 
+@Tag(name = "用户模块")
 @RestController
 @RequestMapping("/users")
 public class UserController {
@@ -17,6 +20,7 @@ public class UserController {
      *
      * @return
      */
+    @Operation(summary = "获取用户列表")
     @GetMapping("/")
     public List<User> getUserList() {
         // 还可以通过@RequestParam从页面中传递参数来进行查询条件或者翻页信息的传递
@@ -30,6 +34,7 @@ public class UserController {
      * @param user
      * @return
      */
+    @Operation(summary = "新建用户")
     @PostMapping("/")
     public String postUser(@RequestBody User user) {
         // @RequestBody注解用来绑定通过http请求中application/json类型上传的数据
@@ -43,6 +48,7 @@ public class UserController {
      * @param id
      * @return
      */
+    @Operation(summary = "根据id获取用户")
     @GetMapping("/{id}")
     public User getUser(@PathVariable Long id) {
         // url中的id可通过@PathVariable绑定到函数的参数中
@@ -56,6 +62,7 @@ public class UserController {
      * @param user
      * @return
      */
+    @Operation(summary = "根据id修改用户")
     @PutMapping("/{id}")
     public String putUser(@PathVariable Long id, @RequestBody User user) {
         User u = users.get(id);
@@ -71,6 +78,7 @@ public class UserController {
      * @param id
      * @return
      */
+    @Operation(summary = "删除用户")
     @DeleteMapping("/{id}")
     public String deleteUser(@PathVariable Long id) {
         users.remove(id);
diff --git a/Assignment1/backend/Assignments/src/main/resources/application.yaml b/Assignment1/backend/Assignments/src/main/resources/application.yaml
index 3e272b0..c829b0c 100644
--- a/Assignment1/backend/Assignments/src/main/resources/application.yaml
+++ b/Assignment1/backend/Assignments/src/main/resources/application.yaml
@@ -1,3 +1,11 @@
 spring:
   application:
    name: Assignments
+
+springdoc:
+  api-docs:
+    enable: true
+    path: /v3/api-docs
+  swagger-ui:
+    enable: true
+    path: /swagger-ui.html