diff --git a/.env.dev b/.env.dev
new file mode 100644
index 0000000..f137e28
--- /dev/null
+++ b/.env.dev
@@ -0,0 +1,4 @@
+DBMS_CONNECTION=jdbc:mysql://mysql:3306/Vocabulary_KDP
+DBMS_USERNAME=root
+DBMS_PASSWORD=123456
+SECRET_KEY=cEJXRvOIUGfe9KQfAh555TvLeOzQ30P7FxzQbZ5eDBOjOBCb26kQAMDbhZJahkJ1
diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..6ee0c15
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,4 @@
+DBMS_CONNECTION=<value>
+DBMS_USERNAME=<value>
+DBMS_PASSWORD=<value>
+SECRET_KEY=<value>
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..0ee4276
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,22 @@
+# Stage 1: build
+# Start with a Maven image that includes JDK 17
+FROM maven:3.9.9-amazoncorretto-17 AS build
+
+# Copy source code and pom.xml file to /app folder
+WORKDIR /app
+COPY pom.xml .
+COPY src ./src
+
+# Build source code with maven
+RUN mvn package -DskipTests
+
+# Stage 2: create image
+# Start with Amazon Correto JDK 17
+FROM amazoncorretto:17
+
+# Set working folder to App and copy complied file from above step
+WORKDIR /app
+COPY --from=build /app/target/*.jar app.jar
+
+# Command to run the application
+ENTRYPOINT ["java", "-jar", "app.jar"]
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..8a29c0b
--- /dev/null
+++ b/README.md
@@ -0,0 +1,33 @@
+# Learn Vocabulary KDP Service
+
+# Features
+
+# Set up
+## Requirement
+- JDK 17+ ([How to download](https://www.geeksforgeeks.org/download-and-install-java-development-kit-jdk-on-windows-mac-and-linux/))
+- IDE: [IntelliJ IDEA
+  ](https://www.jetbrains.com/idea/) (Optional)
+- [Lombok](https://projectlombok.org/): Install plugin in your IDE or Text Editor. [How to install Lombok](https://www.google.com/search?q=how+to+install+lombok)
+- MySQL (Use with Docker)
+### 1. Clone this repository
+```git
+https://github.com/K1ethoang/BE_Learn-Vocabulary_KDP.git
+```
+### 2. Go to project folder
+```git
+cd BE_Learn-Vocabulary_KDP
+```
+## .ENV
+- Has 2 `.env` file: [.env.example](.env.example) for you set up with your configuration and [.env.dev](.env.dev) to run if you do not care about configuration.
+
+## Install Docker (Required)
+- Follow-up [document of Docker](https://docs.docker.com/compose/install/)
+
+## How to run
+
+### [Run manually Wiki](https://github.com/K1ethoang/BE_Learn-Vocabulary_KDP/wiki/Run-manually)
+
+### [Run with Docker Wiki](https://github.com/K1ethoang/BE_Learn-Vocabulary_KDP/wiki/Run-with-Docker)
+
+# Usage (Building)
+Access http://localhost:9091/swagger-ui/index.html to see Api document, read more [Usage wiki]()
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..126ea41
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,28 @@
+services:
+  mysql:
+    image: mysql:8.3.0
+    container_name: mysql-container-8.3.0
+    environment:
+      MYSQL_ROOT_PASSWORD: 123456
+    ports:
+      - "6603:3306"
+    volumes:
+      - mysql_data:/var/lib/mysql # Lưu dữ liệu MySQL
+      - ./init.sql:/docker-entrypoint-initdb.d/init.sql:ro # Chạy file SQL khi container khởi động lần đầu MySQL
+    restart: always
+
+  kdp-service:
+    build:
+      context: . # Thư mục hiện tại
+      dockerfile: Dockerfile
+    container_name: kdp-service-container-0.1.0
+    ports:
+      - "9091:9091"
+    depends_on:
+      - mysql # Đảm bảo MySQL khởi động trước
+    restart: always
+    env_file:
+      - .env.dev
+
+volumes:
+  mysql_data:
diff --git a/init.sql b/init.sql
new file mode 100644
index 0000000..749ed43
--- /dev/null
+++ b/init.sql
@@ -0,0 +1,8 @@
+/*
+ * Copyright (c) 2024. K1ethoang
+ * @Author: Kiet Hoang Gia
+ * @LastModified: 2024/12/19 - 00:27 AM (ICT)
+ */
+
+-- Tạo schema (database)
+CREATE DATABASE IF NOT EXISTS Vocabulary_KDP;
diff --git a/pom.xml b/pom.xml
index e2ddb6e..1924d4e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
 <!--
   ~ Copyright (c) 2024. K1ethoang
   ~ @Author: Kiet Hoang Gia
-  ~ @LastModified: 2024/12/14 - 17:24 PM (ICT)
+  ~ @LastModified: 2024/12/18 - 16:28 PM (ICT)
   -->
 
 <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
@@ -17,7 +17,7 @@
     </parent>
     <groupId>org.kdp</groupId>
     <artifactId>Learn_Vocabulary_KDP</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.1.0</version>
     <name>Learn_Vocabulary_KDP</name>
     <description>Learn_Vocabulary_KDP</description>
     <url/>
@@ -102,6 +102,34 @@
 
     <build>
         <plugins>
+            <plugin>
+                <groupId>com.diffplug.spotless</groupId>
+                <artifactId>spotless-maven-plugin</artifactId>
+                <configuration>
+                    <java>
+                        <removeUnusedImports />
+                        <toggleOffOn />
+                        <trimTrailingWhitespace />
+                        <endWithNewline />
+                        <indent>
+                            <tabs>true</tabs>
+                            <spacesPerTab>4</spacesPerTab>
+                        </indent>
+                        <palantirJavaFormat />
+                        <importOrder>
+                            <order>java, jakarta, org, com, com.diffplug</order>
+                        </importOrder>
+                    </java>
+                </configuration>
+                <executions>
+                    <execution>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>apply</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/LearnVocabularyKdpApplication.java b/src/main/java/org/kdp/learn_vocabulary_kdp/LearnVocabularyKdpApplication.java
index 9d897c1..8cc5914 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/LearnVocabularyKdpApplication.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/LearnVocabularyKdpApplication.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 19:19 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp;
 
 import org.springframework.boot.SpringApplication;
@@ -17,5 +16,4 @@ public class LearnVocabularyKdpApplication {
     public static void main(String[] args) {
         SpringApplication.run(LearnVocabularyKdpApplication.class, args);
     }
-
 }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/Util/ContextHolderUtil.java b/src/main/java/org/kdp/learn_vocabulary_kdp/Util/ContextHolderUtil.java
index bd79e14..b065153 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/Util/ContextHolderUtil.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/Util/ContextHolderUtil.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/15 - 15:51 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.Util;
 
 import lombok.NoArgsConstructor;
@@ -38,6 +37,4 @@ public String getUserIdFromContext() {
         }
         return null;
     }
-
-
 }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/ApplicationInitConfig.java b/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/ApplicationInitConfig.java
index c19b4d3..c14e97d 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/ApplicationInitConfig.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/ApplicationInitConfig.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/17 - 21:57 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.configuration;
 
 import lombok.AccessLevel;
@@ -48,36 +47,71 @@ ApplicationRunner applicationRunner() {
             if (userRepository.findByEmail("kiethoang101@gmail.com").isEmpty()) {
                 Role role = roleRepository.findByName(ERole.ADMIN.getName());
 
-                User user = User.builder().email("kiethoang101@gmail.com").password(passwordEncoder.encode("12345678")).fullName("admin").role(role).isBlocked(false).build();
+                User user = User.builder()
+                        .email("kiethoang101@gmail.com")
+                        .password(passwordEncoder.encode("12345678"))
+                        .fullName("admin")
+                        .role(role)
+                        .isBlocked(false)
+                        .build();
 
                 userRepository.save(user);
-                log.warn("Init account: Admin user has been created with: " + "'kiethoang101@gmail.com/12345678', " + "please change password");
+                log.warn("Init account: Admin user has been created with: " + "'kiethoang101@gmail.com/12345678', "
+                        + "please change password");
             }
 
             // Init data for Type entity
             if (typeRepository.count() == 0) {
-                typeRepository.save(Type.builder().symbol("N").name("Noun").description("A person, place, thing, or idea.\nExample: cat, dog, house...").build());
+                typeRepository.save(Type.builder()
+                        .symbol("N")
+                        .name("Noun")
+                        .description("A person, place, thing, or idea.\nExample: cat, dog, house...")
+                        .build());
                 log.info("Init: Noun (N)");
 
-                typeRepository.save(Type.builder().symbol("V").name("Verb").description("An action word.\nExample: run, jump, eat, think...").build());
+                typeRepository.save(Type.builder()
+                        .symbol("V")
+                        .name("Verb")
+                        .description("An action word.\nExample: run, jump, eat, think...")
+                        .build());
                 log.info("Init: Verb (V)");
 
-                typeRepository.save(Type.builder().symbol("Adj").name("Adjective").description("A word that describes a noun.\nExample: big, small, happy, sad...").build());
+                typeRepository.save(Type.builder()
+                        .symbol("Adj")
+                        .name("Adjective")
+                        .description("A word that describes a noun.\nExample: big, small, happy, sad...")
+                        .build());
                 log.info("Init: Adjective (Adj)");
 
-                typeRepository.save(Type.builder().symbol("Prep").name("Preposition").description("A word that shows the relationship between nouns, pronouns, and other words in a sentence.\nExample: in, on, at, with...").build());
+                typeRepository.save(Type.builder()
+                        .symbol("Prep")
+                        .name("Preposition")
+                        .description(
+                                "A word that shows the relationship between nouns, pronouns, and other words in a sentence.\nExample: in, on, at, with...")
+                        .build());
                 log.info("Init: Preposition (Prep)");
 
-                typeRepository.save(Type.builder().symbol("Det").name("Determiner").description("A word that modifies a noun.\nExample: the, a, an, this, that...").build());
+                typeRepository.save(Type.builder()
+                        .symbol("Det")
+                        .name("Determiner")
+                        .description("A word that modifies a noun.\nExample: the, a, an, this, that...")
+                        .build());
                 log.info("Init: Determiner (Det)");
 
-                typeRepository.save(Type.builder().symbol("Conj").name("Conjunction").description("A word that joins words phrases, or clauses.\nExample: and, but, or, because...").build());
+                typeRepository.save(Type.builder()
+                        .symbol("Conj")
+                        .name("Conjunction")
+                        .description("A word that joins words phrases, or clauses.\nExample: and, but, or, because...")
+                        .build());
                 log.info("Init: Conjunction (Conj)");
 
-                typeRepository.save(Type.builder().symbol("Intj").name("Interjection").description("A word or phrase that expresses strong emotion.\nExample: Wow!, Oh no!, Hey!...").build());
+                typeRepository.save(Type.builder()
+                        .symbol("Intj")
+                        .name("Interjection")
+                        .description("A word or phrase that expresses strong emotion.\nExample: Wow!, Oh no!, Hey!...")
+                        .build());
                 log.info("Init: Interjection (Intj)");
             }
-
         };
     }
 }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/JwtAuthenticationEntryPoint.java b/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/JwtAuthenticationEntryPoint.java
index 9d9c681..a2e89ef 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/JwtAuthenticationEntryPoint.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/JwtAuthenticationEntryPoint.java
@@ -3,9 +3,10 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 02:07 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.configuration;
 
+import java.io.IOException;
+
 import com.fasterxml.jackson.databind.ObjectMapper;
 import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServletRequest;
@@ -19,15 +20,16 @@
 import org.springframework.security.core.AuthenticationException;
 import org.springframework.security.web.AuthenticationEntryPoint;
 
-import java.io.IOException;
-
 public class JwtAuthenticationEntryPoint implements AuthenticationEntryPoint {
     @Override
-    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException {
+    public void commence(
+            HttpServletRequest request, HttpServletResponse response, AuthenticationException authException)
+            throws IOException, ServletException {
         response.setStatus(HttpStatus.UNAUTHORIZED.value());
         response.setContentType(MediaType.APPLICATION_JSON_VALUE);
 
-        ResponseEntity<ErrorResponse> apiResponse = ApiResponse.createErrorResponse(HttpStatus.UNAUTHORIZED, GlobalMessage.AUTHENTICATED);
+        ResponseEntity<ErrorResponse> apiResponse =
+                ApiResponse.createErrorResponse(HttpStatus.UNAUTHORIZED, GlobalMessage.AUTHENTICATED);
 
         ObjectMapper mapper = new ObjectMapper();
 
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/ModelMapperConfig.java b/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/ModelMapperConfig.java
index 0bf6be1..47f98a2 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/ModelMapperConfig.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/ModelMapperConfig.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 20:17 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.configuration;
 
 import org.kdp.learn_vocabulary_kdp.entity.User;
@@ -19,7 +18,10 @@ public class ModelMapperConfig {
     @Bean
     public ModelMapper modelMapper() {
         ModelMapper modelMapper = new ModelMapper();
-        modelMapper.getConfiguration().setMatchingStrategy(MatchingStrategies.STRICT).setSkipNullEnabled(true);
+        modelMapper
+                .getConfiguration()
+                .setMatchingStrategy(MatchingStrategies.STRICT)
+                .setSkipNullEnabled(true);
 
         modelMapper.addMappings(new PropertyMap<User, UserResponse>() {
             @Override
@@ -27,7 +29,7 @@ protected void configure() {
                 map().setRole(source.getRole().getName());
             }
         });
-        
+
         return modelMapper;
     }
 }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/OpenApiConfig.java b/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/OpenApiConfig.java
index 2026740..fb975c1 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/OpenApiConfig.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/OpenApiConfig.java
@@ -3,9 +3,10 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 01:01 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.configuration;
 
+import java.util.List;
+
 import io.swagger.v3.oas.models.Components;
 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.oas.models.info.Contact;
@@ -18,14 +19,11 @@
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
-import java.util.List;
-
 @Configuration
 public class OpenApiConfig {
     @Value("${server.port}")
     private String serverPort;
 
-
     @Bean
     public OpenAPI defineOpenApi() {
         Server server = new Server();
@@ -37,16 +35,35 @@ public OpenAPI defineOpenApi() {
         myContact.setEmail("kiethoang101.dev@gmail.com");
         myContact.setUrl("https://github.com/K1ethoang");
 
-        Info information = new Info().title("Learn Vocabulary KDP System API").version("1.0").description("API documentation for website learn English vocabulary").contact(myContact);
+        Info information = new Info()
+                .title("Learn Vocabulary KDP System API")
+                .version("1.0")
+                .description("API documentation for website learn English vocabulary")
+                .contact(myContact);
 
         SecurityRequirement securityRequirement = new SecurityRequirement().addList("JWT");
-        Components components = new Components().addSecuritySchemes("JWT", new SecurityScheme().name("JWT").type(SecurityScheme.Type.HTTP).scheme("bearer").bearerFormat("JWT"));
+        Components components = new Components()
+                .addSecuritySchemes(
+                        "JWT",
+                        new SecurityScheme()
+                                .name("JWT")
+                                .type(SecurityScheme.Type.HTTP)
+                                .scheme("bearer")
+                                .bearerFormat("JWT"));
 
-        return new OpenAPI().info(information).servers(List.of(server)).addSecurityItem(securityRequirement).components(components);
+        return new OpenAPI()
+                .info(information)
+                .servers(List.of(server))
+                .addSecurityItem(securityRequirement)
+                .components(components);
     }
 
     @Bean
     public GroupedOpenApi apiGroup() {
-        return GroupedOpenApi.builder().group("V1").packagesToScan("org.kdp.learn_vocabulary_kdp.controller.v1").pathsToMatch("/api/v1/**").build();
+        return GroupedOpenApi.builder()
+                .group("V1")
+                .packagesToScan("org.kdp.learn_vocabulary_kdp.controller.v1")
+                .pathsToMatch("/api/v1/**")
+                .build();
     }
 }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/SecurityConfig.java b/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/SecurityConfig.java
index f76db4b..65796c5 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/SecurityConfig.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/configuration/SecurityConfig.java
@@ -3,9 +3,10 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 21:43 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.configuration;
 
+import javax.crypto.spec.SecretKeySpec;
+
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -23,8 +24,6 @@
 import org.springframework.security.oauth2.server.resource.authentication.JwtGrantedAuthoritiesConverter;
 import org.springframework.security.web.SecurityFilterChain;
 
-import javax.crypto.spec.SecretKeySpec;
-
 @Configuration
 @EnableWebSecurity
 @EnableMethodSecurity
@@ -38,10 +37,17 @@ public class SecurityConfig {
     public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
         http.cors(AbstractHttpConfigurer::disable).csrf(AbstractHttpConfigurer::disable);
 
-        http.sessionManagement(sessionManagementConfigurer -> sessionManagementConfigurer.sessionCreationPolicy(SessionCreationPolicy.STATELESS));
-        http.authorizeHttpRequests(authorizeRequests -> authorizeRequests.requestMatchers(PUBLIC_ENDPOINTS).permitAll().anyRequest().authenticated());
+        http.sessionManagement(sessionManagementConfigurer ->
+                sessionManagementConfigurer.sessionCreationPolicy(SessionCreationPolicy.STATELESS));
+        http.authorizeHttpRequests(authorizeRequests -> authorizeRequests
+                .requestMatchers(PUBLIC_ENDPOINTS)
+                .permitAll()
+                .anyRequest()
+                .authenticated());
 
-        http.oauth2ResourceServer(oauth2 -> oauth2.jwt(jwtConfigurer -> jwtConfigurer.decoder(jwtDecoder()).jwtAuthenticationConverter(jwtConverter())).authenticationEntryPoint(new JwtAuthenticationEntryPoint()));
+        http.oauth2ResourceServer(oauth2 -> oauth2.jwt(
+                        jwtConfigurer -> jwtConfigurer.decoder(jwtDecoder()).jwtAuthenticationConverter(jwtConverter()))
+                .authenticationEntryPoint(new JwtAuthenticationEntryPoint()));
 
         return http.build();
     }
@@ -62,7 +68,9 @@ JwtAuthenticationConverter jwtConverter() {
     JwtDecoder jwtDecoder() {
         SecretKeySpec secretKeySpec = new SecretKeySpec(secretKey.getBytes(), "HS512");
 
-        return NimbusJwtDecoder.withSecretKey(secretKeySpec).macAlgorithm(MacAlgorithm.HS512).build();
+        return NimbusJwtDecoder.withSecretKey(secretKeySpec)
+                .macAlgorithm(MacAlgorithm.HS512)
+                .build();
     }
 
     @Bean
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/AuthControllerV1.java b/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/AuthControllerV1.java
index 520cb0d..07ee946 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/AuthControllerV1.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/AuthControllerV1.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 01:28 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.controller.v1;
 
 import jakarta.validation.Valid;
@@ -34,12 +33,14 @@ public class AuthControllerV1 {
     @PostMapping("/log-in")
     public ResponseEntity<Object> login(@Valid @RequestBody LoginRequest request) {
         UserResponse userResponse = authService.login(request);
-        return ApiResponse.createSuccessResponse(HttpStatus.OK, GlobalMessage.SUCCESSFULLY, jwtService.generateToken(userResponse));
+        return ApiResponse.createSuccessResponse(
+                HttpStatus.OK, GlobalMessage.SUCCESSFULLY, jwtService.generateToken(userResponse));
     }
 
     @PostMapping("/register")
     public ResponseEntity<Object> register(@Valid @RequestBody UserCreationRequest userCreationRequest) {
-        return ApiResponse.createSuccessResponse(HttpStatus.CREATED, GlobalMessage.SUCCESSFULLY, authService.register(userCreationRequest));
+        return ApiResponse.createSuccessResponse(
+                HttpStatus.CREATED, GlobalMessage.SUCCESSFULLY, authService.register(userCreationRequest));
     }
 
     @PostMapping("/log-out")
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/TopicControllerV1.java b/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/TopicControllerV1.java
index d8d3f99..6c605ee 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/TopicControllerV1.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/TopicControllerV1.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 01:28 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.controller.v1;
 
 import jakarta.validation.Valid;
@@ -30,19 +29,26 @@ public class TopicControllerV1 {
     TopicService topicService;
 
     @GetMapping("")
-    public ResponseEntity<Object> getTopics(@RequestParam(defaultValue = DEFAULT_PAGE_NO) int pageNo, @RequestParam(defaultValue = DEFAULT_PAGE_SIZE) int pageSize, @RequestParam(defaultValue = DEFAULT_TOPIC_SORT_BY) String sortBy) {
+    public ResponseEntity<Object> getTopics(
+            @RequestParam(defaultValue = DEFAULT_PAGE_NO) int pageNo,
+            @RequestParam(defaultValue = DEFAULT_PAGE_SIZE) int pageSize,
+            @RequestParam(defaultValue = DEFAULT_TOPIC_SORT_BY) String sortBy) {
         Pageable pageable = PageRequest.of(pageNo, pageSize, Sort.by(Sort.Direction.DESC, sortBy));
 
-        return ApiResponse.createSuccessResponse(HttpStatus.OK, GlobalMessage.SUCCESSFULLY, topicService.getTopicsByUserId(pageable));
+        return ApiResponse.createSuccessResponse(
+                HttpStatus.OK, GlobalMessage.SUCCESSFULLY, topicService.getTopicsByUserId(pageable));
     }
 
     @PostMapping("")
     public ResponseEntity<Object> createTopic(@Valid @RequestBody TopicCreationRequest topicCreationRequest) {
-        return ApiResponse.createSuccessResponse(HttpStatus.CREATED, GlobalMessage.SUCCESSFULLY, topicService.createTopic(topicCreationRequest));
+        return ApiResponse.createSuccessResponse(
+                HttpStatus.CREATED, GlobalMessage.SUCCESSFULLY, topicService.createTopic(topicCreationRequest));
     }
 
     @PutMapping("/{topicId}")
-    public ResponseEntity<Object> updateTopic(@RequestBody TopicUpdateRequest topicUpdateRequest, @PathVariable String topicId) {
-        return ApiResponse.createSuccessResponse(HttpStatus.OK, GlobalMessage.SUCCESSFULLY, topicService.updateTopic(topicUpdateRequest, topicId));
+    public ResponseEntity<Object> updateTopic(
+            @RequestBody TopicUpdateRequest topicUpdateRequest, @PathVariable String topicId) {
+        return ApiResponse.createSuccessResponse(
+                HttpStatus.OK, GlobalMessage.SUCCESSFULLY, topicService.updateTopic(topicUpdateRequest, topicId));
     }
 }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/UserControllerV1.java b/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/UserControllerV1.java
index c4a3c00..03cdd56 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/UserControllerV1.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/UserControllerV1.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 01:28 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.controller.v1;
 
 import jakarta.validation.Valid;
@@ -32,12 +31,15 @@ public ResponseEntity<Object> getUsers() {
     @PreAuthorize("hasRole('ADMIN')")
     @GetMapping("{userId}")
     public ResponseEntity<Object> getUserById(@PathVariable("userId") String userId) {
-        return ApiResponse.createSuccessResponse(HttpStatus.OK, GlobalMessage.SUCCESSFULLY, userService.getUserById(userId));
+        return ApiResponse.createSuccessResponse(
+                HttpStatus.OK, GlobalMessage.SUCCESSFULLY, userService.getUserById(userId));
     }
 
     @PutMapping("{userId}")
-    public ResponseEntity<Object> updateUser(@Valid @RequestBody UserUpdateRequest userUpdateRequest, @PathVariable("userId") String userId) {
-        return ApiResponse.createSuccessResponse(HttpStatus.OK, GlobalMessage.SUCCESSFULLY, userService.updateUser(userUpdateRequest, userId));
+    public ResponseEntity<Object> updateUser(
+            @Valid @RequestBody UserUpdateRequest userUpdateRequest, @PathVariable("userId") String userId) {
+        return ApiResponse.createSuccessResponse(
+                HttpStatus.OK, GlobalMessage.SUCCESSFULLY, userService.updateUser(userUpdateRequest, userId));
     }
 
     @PreAuthorize("hasRole('ADMIN')")
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/WordControllerV1.java b/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/WordControllerV1.java
index 1cd864d..64bb60e 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/WordControllerV1.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/controller/v1/WordControllerV1.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 01:28 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.controller.v1;
 
 import lombok.AllArgsConstructor;
@@ -30,25 +29,32 @@ public class WordControllerV1 {
     private final WordServiceImpl wordService;
 
     @GetMapping("")
-    public ResponseEntity<Object> getAllWords(@RequestParam(defaultValue = DEFAULT_PAGE_NO) int pageNo, @RequestParam(defaultValue = DEFAULT_PAGE_SIZE) int pageSize, @RequestParam(defaultValue = DEFAULT_SORT_BY) String sortBy) {
+    public ResponseEntity<Object> getAllWords(
+            @RequestParam(defaultValue = DEFAULT_PAGE_NO) int pageNo,
+            @RequestParam(defaultValue = DEFAULT_PAGE_SIZE) int pageSize,
+            @RequestParam(defaultValue = DEFAULT_SORT_BY) String sortBy) {
         Pageable pageable = PageRequest.of(pageNo, pageSize, Sort.by(Sort.Direction.DESC, sortBy));
 
-        return ApiResponse.createSuccessResponse(HttpStatus.OK, GlobalMessage.SUCCESSFULLY, wordService.getAllWords(pageable));
+        return ApiResponse.createSuccessResponse(
+                HttpStatus.OK, GlobalMessage.SUCCESSFULLY, wordService.getAllWords(pageable));
     }
 
     @GetMapping("/{userId}")
     public ResponseEntity<Object> getWordByUserId(@PathVariable String userId) {
-        return ApiResponse.createSuccessResponse(HttpStatus.OK, GlobalMessage.SUCCESSFULLY, wordService.getWordByUserId(userId));
+        return ApiResponse.createSuccessResponse(
+                HttpStatus.OK, GlobalMessage.SUCCESSFULLY, wordService.getWordByUserId(userId));
     }
 
     @PostMapping("")
     public ResponseEntity<Object> createWord(@RequestBody WordDto wordDto) {
-        return ApiResponse.createSuccessResponse(HttpStatus.CREATED, GlobalMessage.SUCCESSFULLY, wordService.createWord(wordDto));
+        return ApiResponse.createSuccessResponse(
+                HttpStatus.CREATED, GlobalMessage.SUCCESSFULLY, wordService.createWord(wordDto));
     }
 
     @PutMapping("/{id}")
     public ResponseEntity<Object> updateWord(@PathVariable String id, @RequestBody WordDto wordDto) {
-        return ApiResponse.createSuccessResponse(HttpStatus.OK, GlobalMessage.SUCCESSFULLY, wordService.updateWord(id, wordDto));
+        return ApiResponse.createSuccessResponse(
+                HttpStatus.OK, GlobalMessage.SUCCESSFULLY, wordService.updateWord(id, wordDto));
     }
 
     @DeleteMapping("/{id}")
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Auditable.java b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Auditable.java
index 6db3c94..d7b4a8b 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Auditable.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Auditable.java
@@ -3,9 +3,9 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 19:03 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.entity;
 
+import java.util.Date;
 
 import jakarta.persistence.*;
 import lombok.Getter;
@@ -14,8 +14,6 @@
 import org.hibernate.annotations.UpdateTimestamp;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
 
-import java.util.Date;
-
 @EntityListeners(AuditingEntityListener.class)
 @MappedSuperclass
 @Getter
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Quizz.java b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Quizz.java
index c70daf3..1087d8b 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Quizz.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Quizz.java
@@ -3,9 +3,10 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/16 - 19:02 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.entity;
 
+import java.util.Date;
+
 import jakarta.persistence.*;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
@@ -14,8 +15,6 @@
 import org.hibernate.annotations.CreationTimestamp;
 import org.hibernate.annotations.UuidGenerator;
 
-import java.util.Date;
-
 @Entity(name = "quizzes")
 @Getter
 @Setter
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Role.java b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Role.java
index f775827..1c1ca0b 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Role.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Role.java
@@ -3,16 +3,15 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 19:42 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.entity;
 
+import java.util.List;
+
 import jakarta.persistence.*;
 import lombok.*;
 import lombok.experimental.FieldDefaults;
 import org.hibernate.annotations.UuidGenerator;
 
-import java.util.List;
-
 @Entity(name = "roles")
 @Getter
 @Setter
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Topic.java b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Topic.java
index 13ab8f8..7ee5fb7 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Topic.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Topic.java
@@ -3,15 +3,14 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/16 - 18:32 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.entity;
 
+import java.util.List;
+
 import jakarta.persistence.*;
 import lombok.*;
 import org.hibernate.annotations.UuidGenerator;
 
-import java.util.List;
-
 @Entity(name = "topics")
 @Getter
 @Setter
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Type.java b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Type.java
index ad5dff3..ca94455 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Type.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Type.java
@@ -3,9 +3,10 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/16 - 16:46 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.entity;
 
+import java.util.List;
+
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.Id;
@@ -14,8 +15,6 @@
 import lombok.experimental.FieldDefaults;
 import org.hibernate.annotations.UuidGenerator;
 
-import java.util.List;
-
 @Entity(name = "types")
 @Getter
 @Setter
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/User.java b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/User.java
index 00c2d51..6f8d61b 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/User.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/User.java
@@ -3,16 +3,15 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/16 - 18:33 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.entity;
 
+import java.util.List;
+
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
 import lombok.*;
 import org.hibernate.annotations.UuidGenerator;
 
-import java.util.List;
-
 @Entity(name = "users")
 @Getter
 @Setter
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Word.java b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Word.java
index 4366d58..cc4abf2 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Word.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/Word.java
@@ -3,16 +3,15 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/16 - 18:33 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.entity;
 
+import java.util.List;
+
 import jakarta.persistence.*;
 import lombok.*;
 import lombok.experimental.FieldDefaults;
 import org.hibernate.annotations.UuidGenerator;
 
-import java.util.List;
-
 @Entity
 @Table(name = "words")
 @Getter
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/WordType.java b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/WordType.java
index cde3eb7..0ca3511 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/WordType.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/WordType.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/16 - 18:35 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.entity;
 
 import jakarta.persistence.Entity;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/keys/IdWordType.java b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/keys/IdWordType.java
index 9f7871b..5011a71 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/entity/keys/IdWordType.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/entity/keys/IdWordType.java
@@ -1,12 +1,12 @@
 package org.kdp.learn_vocabulary_kdp.entity.keys;
 
+import java.io.Serializable;
+
 import jakarta.persistence.Column;
 import jakarta.persistence.Embeddable;
 import lombok.AllArgsConstructor;
 import lombok.NoArgsConstructor;
 
-import java.io.Serializable;
-
 @AllArgsConstructor
 @NoArgsConstructor
 @Embeddable
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/enums/ERole.java b/src/main/java/org/kdp/learn_vocabulary_kdp/enums/ERole.java
index fc1cb1e..f9a2b31 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/enums/ERole.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/enums/ERole.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 20:10 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.enums;
 
 import lombok.AllArgsConstructor;
@@ -12,7 +11,8 @@
 @AllArgsConstructor
 @Getter
 public enum ERole {
-    ADMIN("ADMIN"), USER("USER");
+    ADMIN("ADMIN"),
+    USER("USER");
 
     private final String name;
 }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/exception/GlobalExceptionHandler.java b/src/main/java/org/kdp/learn_vocabulary_kdp/exception/GlobalExceptionHandler.java
index 5808386..e49df44 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/exception/GlobalExceptionHandler.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/exception/GlobalExceptionHandler.java
@@ -3,9 +3,10 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 02:04 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.exception;
 
+import java.util.List;
+
 import io.swagger.v3.oas.annotations.media.Content;
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.servlet.http.HttpServletRequest;
@@ -23,11 +24,21 @@
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 import org.springframework.web.client.HttpClientErrorException;
 
-import java.util.List;
-
-
-@io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "2xx", description = "Response thành công", content = @Content(mediaType = MediaType.APPLICATION_JSON_VALUE, schema = @Schema(implementation = SuccessResponse.class)))
-@io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "4xx, 5xx", description = "Response về danh sách lỗi, nếu chỉ có 1 lỗi thì field đầu tiên sẽ có giá trị \"general\". Còn lại là tên của filed lỗi", content = @Content(mediaType = MediaType.APPLICATION_JSON_VALUE, schema = @Schema(implementation = ErrorResponse.class)))
+@io.swagger.v3.oas.annotations.responses.ApiResponse(
+        responseCode = "2xx",
+        description = "Response thành công",
+        content =
+                @Content(
+                        mediaType = MediaType.APPLICATION_JSON_VALUE,
+                        schema = @Schema(implementation = SuccessResponse.class)))
+@io.swagger.v3.oas.annotations.responses.ApiResponse(
+        responseCode = "4xx, 5xx",
+        description =
+                "Response về danh sách lỗi, nếu chỉ có 1 lỗi thì field đầu tiên sẽ có giá trị \"general\". Còn lại là tên của filed lỗi",
+        content =
+                @Content(
+                        mediaType = MediaType.APPLICATION_JSON_VALUE,
+                        schema = @Schema(implementation = ErrorResponse.class)))
 @RestControllerAdvice
 public class GlobalExceptionHandler {
     // System exception
@@ -53,25 +64,33 @@ public ResponseEntity<ErrorResponse> handlerNotFoundException(NotFoundException
 
     @ExceptionHandler(MethodArgumentNotValidException.class)
     public ResponseEntity<ErrorResponse> handleMethodArgumentNotValidException(MethodArgumentNotValidException e) {
-        List<ErrorDetail> errorDetails = e.getBindingResult().getFieldErrors().stream().map(fieldError -> new ErrorDetail(fieldError.getField(), fieldError.getDefaultMessage())).toList();
+        List<ErrorDetail> errorDetails = e.getBindingResult().getFieldErrors().stream()
+                .map(fieldError -> new ErrorDetail(fieldError.getField(), fieldError.getDefaultMessage()))
+                .toList();
 
         return ApiResponse.createErrorResponse(e.getStatusCode(), errorDetails);
     }
 
     @ExceptionHandler(ConstraintViolationException.class)
     public ResponseEntity<ErrorResponse> handleConstraintViolationException(ConstraintViolationException e) {
-        List<ErrorDetail> errorDetails = e.getConstraintViolations().stream().map(violation -> {
-            String fieldPath = violation.getPropertyPath().toString();
-            return new ErrorDetail(fieldPath.substring(fieldPath.lastIndexOf('.') + 1), // Lấy tên field cuối cùng
-                    violation.getMessage());
-        }).toList();
+        List<ErrorDetail> errorDetails = e.getConstraintViolations().stream()
+                .map(violation -> {
+                    String fieldPath = violation.getPropertyPath().toString();
+                    return new ErrorDetail(
+                            fieldPath.substring(fieldPath.lastIndexOf('.') + 1), // Lấy tên field cuối cùng
+                            violation.getMessage());
+                })
+                .toList();
 
         return ApiResponse.createErrorResponse(HttpStatus.BAD_REQUEST, errorDetails);
     }
 
     @ExceptionHandler(AccessDeniedException.class)
-    public ResponseEntity<ErrorResponse> handlerAccessDeniedException(AccessDeniedException e, HttpServletRequest request) {
-        return ApiResponse.createErrorResponse(HttpStatus.FORBIDDEN, "You do not have permission to access this resource: " + request.getServletPath());
+    public ResponseEntity<ErrorResponse> handlerAccessDeniedException(
+            AccessDeniedException e, HttpServletRequest request) {
+        return ApiResponse.createErrorResponse(
+                HttpStatus.FORBIDDEN,
+                "You do not have permission to access this resource: " + request.getServletPath());
     }
 
     @ExceptionHandler(HttpClientErrorException.Unauthorized.class)
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/exception/InvalidException.java b/src/main/java/org/kdp/learn_vocabulary_kdp/exception/InvalidException.java
index 3c499c3..664ab86 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/exception/InvalidException.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/exception/InvalidException.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 11:45 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.exception;
 
 import lombok.AccessLevel;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/exception/NotFoundException.java b/src/main/java/org/kdp/learn_vocabulary_kdp/exception/NotFoundException.java
index 00ac498..93501c3 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/exception/NotFoundException.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/exception/NotFoundException.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 11:45 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.exception;
 
 import lombok.AccessLevel;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/exception/NotNullException.java b/src/main/java/org/kdp/learn_vocabulary_kdp/exception/NotNullException.java
index bcc85d1..5abe402 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/exception/NotNullException.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/exception/NotNullException.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 11:45 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.exception;
 
 import lombok.AccessLevel;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/jackson/TrimDeserializer.java b/src/main/java/org/kdp/learn_vocabulary_kdp/jackson/TrimDeserializer.java
index 84bd31a..2b01abd 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/jackson/TrimDeserializer.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/jackson/TrimDeserializer.java
@@ -3,15 +3,14 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/13 - 23:44 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.jackson;
 
+import java.io.IOException;
+
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.databind.DeserializationContext;
 import com.fasterxml.jackson.databind.JsonDeserializer;
 
-import java.io.IOException;
-
 public class TrimDeserializer extends JsonDeserializer<String> {
     @Override
     public String deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/message/GlobalMessage.java b/src/main/java/org/kdp/learn_vocabulary_kdp/message/GlobalMessage.java
index 9f637e4..aac9ba6 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/message/GlobalMessage.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/message/GlobalMessage.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 02:10 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.message;
 
 import lombok.AccessLevel;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/message/TopicMessage.java b/src/main/java/org/kdp/learn_vocabulary_kdp/message/TopicMessage.java
index 303352d..37078c5 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/message/TopicMessage.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/message/TopicMessage.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 00:12 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.message;
 
 public class TopicMessage {
@@ -11,7 +10,8 @@ public class TopicMessage {
     public static final int TITLE_MAX_LENGTH = 100;
     public static final int DESC_MAX_LENGTH = 300;
 
-    public static final String TITLE_LENGTH = "Length: min " + TITLE_MIN_LENGTH + " and max " + TITLE_MAX_LENGTH + " characters";
+    public static final String TITLE_LENGTH =
+            "Length: min " + TITLE_MIN_LENGTH + " and max " + TITLE_MAX_LENGTH + " characters";
     public static final String DESC_LENGTH = "Length: max " + DESC_MAX_LENGTH + " characters";
 
     public static final String TOPIC_EXIST = "Topic is already exist";
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/message/UserMessage.java b/src/main/java/org/kdp/learn_vocabulary_kdp/message/UserMessage.java
index 086a4e5..d225bdd 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/message/UserMessage.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/message/UserMessage.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 20:44 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.message;
 
 public class UserMessage {
@@ -19,11 +18,13 @@ public class UserMessage {
     public static final String FULLNAME_REQUIRED = "Full_name is required";
 
     //    Format
-    public static final String FULLNAME_FORMAT = "Full_name's length is min " + FULLNAME_MIN_LENGTH + " and max " + FULLNAME_MAX_LENGTH + " characters";
-    public static final String PASSWORD_FORMAT = "Password's length is min " + PASSWORD_MIN_LENGTH + " and max " + PASSWORD_MAX_LENGTH + " characters";
+    public static final String FULLNAME_FORMAT =
+            "Full_name's length is min " + FULLNAME_MIN_LENGTH + " and max " + FULLNAME_MAX_LENGTH + " characters";
+    public static final String PASSWORD_FORMAT =
+            "Password's length is min " + PASSWORD_MIN_LENGTH + " and max " + PASSWORD_MAX_LENGTH + " characters";
     public static final String EMAIL_FORMAT = "Email is not right format";
-    public static final String PASSWORD_FORMAT_MIN = "Password's length is at least " + PASSWORD_MIN_LENGTH + " characters";
-
+    public static final String PASSWORD_FORMAT_MIN =
+            "Password's length is at least " + PASSWORD_MIN_LENGTH + " characters";
 
     public static final String EMAIL_PASSWORD_INCORRECT = "Email or password is incorrect";
     public static final String EMAIL_EXIST = "Email is already exist";
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/paging/PageableDto.java b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/paging/PageableDto.java
index 646a8a3..d9dcb36 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/paging/PageableDto.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/paging/PageableDto.java
@@ -1,11 +1,11 @@
 package org.kdp.learn_vocabulary_kdp.model.dto.paging;
 
+import java.util.List;
+
 import lombok.Data;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 
-import java.util.List;
-
 @Data
 public class PageableDto {
     List<Object> content;
@@ -31,4 +31,3 @@ public <T> PageableDto(Page<T> page) {
         setEmpty(page.isEmpty());
     }
 }
-
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/auth/LoginRequest.java b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/auth/LoginRequest.java
index 95ff499..0329bf1 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/auth/LoginRequest.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/auth/LoginRequest.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 11:52 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.model.dto.request.auth;
 
 import jakarta.validation.constraints.Email;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/topic/TopicCreationRequest.java b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/topic/TopicCreationRequest.java
index 3716963..5625c4d 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/topic/TopicCreationRequest.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/topic/TopicCreationRequest.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 00:11 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.model.dto.request.topic;
 
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/topic/TopicUpdateRequest.java b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/topic/TopicUpdateRequest.java
index 8bca00e..305547c 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/topic/TopicUpdateRequest.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/topic/TopicUpdateRequest.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 00:11 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.model.dto.request.topic;
 
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/user/UserCreationRequest.java b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/user/UserCreationRequest.java
index c040375..d524eb8 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/user/UserCreationRequest.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/user/UserCreationRequest.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 17:54 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.model.dto.request.user;
 
 import jakarta.validation.constraints.Email;
@@ -22,7 +21,10 @@
 @FieldDefaults(level = AccessLevel.PRIVATE)
 public class UserCreationRequest {
     @NotBlank(message = UserMessage.FULLNAME_REQUIRED)
-    @Size(min = UserMessage.FULLNAME_MIN_LENGTH, max = UserMessage.FULLNAME_MAX_LENGTH, message = UserMessage.FULLNAME_FORMAT)
+    @Size(
+            min = UserMessage.FULLNAME_MIN_LENGTH,
+            max = UserMessage.FULLNAME_MAX_LENGTH,
+            message = UserMessage.FULLNAME_FORMAT)
     String fullName;
 
     @Email(message = UserMessage.EMAIL_FORMAT)
@@ -30,6 +32,9 @@ public class UserCreationRequest {
     String email;
 
     @NotBlank(message = UserMessage.PASSWORD_REQUIRED)
-    @Size(min = UserMessage.PASSWORD_MIN_LENGTH, max = UserMessage.PASSWORD_MAX_LENGTH, message = UserMessage.PASSWORD_FORMAT)
+    @Size(
+            min = UserMessage.PASSWORD_MIN_LENGTH,
+            max = UserMessage.PASSWORD_MAX_LENGTH,
+            message = UserMessage.PASSWORD_FORMAT)
     String password;
 }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/user/UserUpdateRequest.java b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/user/UserUpdateRequest.java
index 6aad14c..1ff298c 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/user/UserUpdateRequest.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/request/user/UserUpdateRequest.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 18:38 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.model.dto.request.user;
 
 import jakarta.validation.constraints.Email;
@@ -20,12 +19,18 @@
 @Data
 @FieldDefaults(level = AccessLevel.PRIVATE)
 public class UserUpdateRequest {
-    @Size(min = UserMessage.FULLNAME_MIN_LENGTH, max = UserMessage.FULLNAME_MAX_LENGTH, message = UserMessage.FULLNAME_FORMAT)
+    @Size(
+            min = UserMessage.FULLNAME_MIN_LENGTH,
+            max = UserMessage.FULLNAME_MAX_LENGTH,
+            message = UserMessage.FULLNAME_FORMAT)
     String fullName;
 
     @Email(message = UserMessage.EMAIL_FORMAT)
     String email;
 
-    @Size(min = UserMessage.PASSWORD_MIN_LENGTH, max = UserMessage.PASSWORD_MAX_LENGTH, message = UserMessage.PASSWORD_FORMAT)
+    @Size(
+            min = UserMessage.PASSWORD_MIN_LENGTH,
+            max = UserMessage.PASSWORD_MAX_LENGTH,
+            message = UserMessage.PASSWORD_FORMAT)
     String password;
 }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/response/topic/TopicResponse.java b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/response/topic/TopicResponse.java
index 61df6a0..3b721bb 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/response/topic/TopicResponse.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/response/topic/TopicResponse.java
@@ -3,9 +3,10 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/15 - 16:01 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.model.dto.response.topic;
 
+import java.util.Date;
+
 import com.fasterxml.jackson.annotation.JsonFormat;
 import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
@@ -13,8 +14,6 @@
 import lombok.NoArgsConstructor;
 import lombok.experimental.FieldDefaults;
 
-import java.util.Date;
-
 @AllArgsConstructor
 @Data
 @NoArgsConstructor
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/response/user/UserResponse.java b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/response/user/UserResponse.java
index 6dfde0b..55093b7 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/response/user/UserResponse.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/response/user/UserResponse.java
@@ -3,9 +3,10 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 19:42 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.model.dto.response.user;
 
+import java.util.Date;
+
 import com.fasterxml.jackson.annotation.JsonFormat;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.AccessLevel;
@@ -14,8 +15,6 @@
 import lombok.NoArgsConstructor;
 import lombok.experimental.FieldDefaults;
 
-import java.util.Date;
-
 @AllArgsConstructor
 @NoArgsConstructor
 @Data
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/word/WordDto.java b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/word/WordDto.java
index 2d31ab0..f3d31f8 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/word/WordDto.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/model/dto/word/WordDto.java
@@ -1,11 +1,11 @@
 package org.kdp.learn_vocabulary_kdp.model.dto.word;
 
+import java.time.LocalDateTime;
+
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 
-import java.time.LocalDateTime;
-
 @AllArgsConstructor
 @Data
 public class WordDto {
@@ -20,6 +20,7 @@ public class WordDto {
 
     @JsonIgnore
     private String id;
+
     private String word;
     private String pronounce;
 }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/model/mapper/EntityToDto.java b/src/main/java/org/kdp/learn_vocabulary_kdp/model/mapper/EntityToDto.java
index b9fbbfd..08b6853 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/model/mapper/EntityToDto.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/model/mapper/EntityToDto.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 17:55 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.model.mapper;
 
 import lombok.AllArgsConstructor;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/model/mapper/TopicMapper.java b/src/main/java/org/kdp/learn_vocabulary_kdp/model/mapper/TopicMapper.java
index 9c46cb0..cf838d5 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/model/mapper/TopicMapper.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/model/mapper/TopicMapper.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/17 - 22:26 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.model.mapper;
 
 import lombok.AccessLevel;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/model/mapper/UserMapper.java b/src/main/java/org/kdp/learn_vocabulary_kdp/model/mapper/UserMapper.java
index ec7a1fd..e863573 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/model/mapper/UserMapper.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/model/mapper/UserMapper.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 20:17 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.model.mapper;
 
 import lombok.AccessLevel;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/repository/QuizzeRepository.java b/src/main/java/org/kdp/learn_vocabulary_kdp/repository/QuizzeRepository.java
index 77fbaf1..3b84598 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/repository/QuizzeRepository.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/repository/QuizzeRepository.java
@@ -5,5 +5,4 @@
 import org.springframework.stereotype.Repository;
 
 @Repository
-public interface QuizzeRepository extends JpaRepository<Quizz, String> {
-}
+public interface QuizzeRepository extends JpaRepository<Quizz, String> {}
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/repository/RoleRepository.java b/src/main/java/org/kdp/learn_vocabulary_kdp/repository/RoleRepository.java
index 5884fa3..2bdd94f 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/repository/RoleRepository.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/repository/RoleRepository.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 19:36 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.repository;
 
 import org.kdp.learn_vocabulary_kdp.entity.Role;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/repository/TopicRepository.java b/src/main/java/org/kdp/learn_vocabulary_kdp/repository/TopicRepository.java
index e782c40..45be3f1 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/repository/TopicRepository.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/repository/TopicRepository.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 00:41 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.repository;
 
 import org.kdp.learn_vocabulary_kdp.entity.Topic;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/repository/TypeRepository.java b/src/main/java/org/kdp/learn_vocabulary_kdp/repository/TypeRepository.java
index f4d0981..23cf038 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/repository/TypeRepository.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/repository/TypeRepository.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/16 - 17:21 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.repository;
 
 import org.kdp.learn_vocabulary_kdp.entity.Type;
@@ -11,5 +10,4 @@
 import org.springframework.stereotype.Repository;
 
 @Repository
-public interface TypeRepository extends JpaRepository<Type, String> {
-}
+public interface TypeRepository extends JpaRepository<Type, String> {}
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/repository/UserRepository.java b/src/main/java/org/kdp/learn_vocabulary_kdp/repository/UserRepository.java
index ac6ad50..96229c2 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/repository/UserRepository.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/repository/UserRepository.java
@@ -3,15 +3,14 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/12 - 11:48 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.repository;
 
+import java.util.Optional;
+
 import org.kdp.learn_vocabulary_kdp.entity.User;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
-import java.util.Optional;
-
 @Repository
 public interface UserRepository extends JpaRepository<User, String> {
     Optional<User> findByEmail(String email);
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/repository/WordRepository.java b/src/main/java/org/kdp/learn_vocabulary_kdp/repository/WordRepository.java
index 404847b..915002b 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/repository/WordRepository.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/repository/WordRepository.java
@@ -5,6 +5,4 @@
 import org.springframework.stereotype.Repository;
 
 @Repository
-public interface WordRepository extends JpaRepository<Word, String> {
-    
-}
+public interface WordRepository extends JpaRepository<Word, String> {}
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/response/ApiResponse.java b/src/main/java/org/kdp/learn_vocabulary_kdp/response/ApiResponse.java
index 2f9899e..be410a7 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/response/ApiResponse.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/response/ApiResponse.java
@@ -3,31 +3,33 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 02:10 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.response;
 
+import java.util.List;
+
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.HttpStatusCode;
 import org.springframework.http.ResponseEntity;
 
-import java.util.List;
-
 @NoArgsConstructor(access = AccessLevel.PRIVATE)
 public class ApiResponse {
-    public static ResponseEntity<Object> createSuccessResponse(HttpStatusCode httpStatus, String message, Object responseObject) {
+    public static ResponseEntity<Object> createSuccessResponse(
+            HttpStatusCode httpStatus, String message, Object responseObject) {
         SuccessResponse successResponse = new SuccessResponse(httpStatus.value(), message, responseObject);
 
         return new ResponseEntity<>(successResponse, HttpStatus.OK);
     }
 
     public static ResponseEntity<ErrorResponse> createErrorResponse(HttpStatusCode httpStatus, String message) {
-        ErrorResponse errorResponse = new ErrorResponse(httpStatus.value(), List.of(new ErrorDetail("general", message)));
+        ErrorResponse errorResponse =
+                new ErrorResponse(httpStatus.value(), List.of(new ErrorDetail("general", message)));
         return new ResponseEntity<>(errorResponse, httpStatus);
     }
 
-    public static ResponseEntity<ErrorResponse> createErrorResponse(HttpStatusCode httpStatus, List<ErrorDetail> errorDetails) {
+    public static ResponseEntity<ErrorResponse> createErrorResponse(
+            HttpStatusCode httpStatus, List<ErrorDetail> errorDetails) {
         ErrorResponse errorResponse = new ErrorResponse(httpStatus.value(), errorDetails);
 
         return new ResponseEntity<>(errorResponse, httpStatus);
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/response/ErrorDetail.java b/src/main/java/org/kdp/learn_vocabulary_kdp/response/ErrorDetail.java
index bdd3b14..fc5e44a 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/response/ErrorDetail.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/response/ErrorDetail.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 02:07 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.response;
 
 import io.swagger.v3.oas.annotations.media.Schema;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/response/ErrorResponse.java b/src/main/java/org/kdp/learn_vocabulary_kdp/response/ErrorResponse.java
index 6eb984c..700f6ce 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/response/ErrorResponse.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/response/ErrorResponse.java
@@ -3,17 +3,16 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 02:06 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.response;
 
+import java.util.List;
+
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.experimental.FieldDefaults;
 
-import java.util.List;
-
 @AllArgsConstructor
 @Getter
 @FieldDefaults(level = AccessLevel.PRIVATE)
@@ -21,5 +20,6 @@ public class ErrorResponse {
 
     @Schema(example = "401")
     int statusCode;
+
     List<ErrorDetail> errors;
 }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/response/SuccessResponse.java b/src/main/java/org/kdp/learn_vocabulary_kdp/response/SuccessResponse.java
index be0e6a4..1fbe88a 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/response/SuccessResponse.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/response/SuccessResponse.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/18 - 02:11 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.response;
 
 import io.swagger.v3.oas.annotations.media.Schema;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/AuthServiceImpl.java b/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/AuthServiceImpl.java
index badf92e..ba4e1d3 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/AuthServiceImpl.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/AuthServiceImpl.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 18:50 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.service.impl;
 
 import lombok.AllArgsConstructor;
@@ -31,7 +30,9 @@ public class AuthServiceImpl implements AuthService {
 
     @Override
     public UserResponse login(LoginRequest request) throws InvalidException {
-        User user = userRepository.findByEmail(request.getEmail()).orElseThrow(() -> new NotFoundException(UserMessage.EMAIL_PASSWORD_INCORRECT));
+        User user = userRepository
+                .findByEmail(request.getEmail())
+                .orElseThrow(() -> new NotFoundException(UserMessage.EMAIL_PASSWORD_INCORRECT));
 
         if (!passwordEncoder.matches(request.getPassword(), user.getPassword())) {
             throw new InvalidException(UserMessage.EMAIL_PASSWORD_INCORRECT);
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/JwtServiceImpl.java b/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/JwtServiceImpl.java
index f087977..f368d12 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/JwtServiceImpl.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/JwtServiceImpl.java
@@ -3,9 +3,11 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/15 - 15:49 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.service.impl;
 
+import java.text.ParseException;
+import java.util.Date;
+
 import com.nimbusds.jose.*;
 import com.nimbusds.jose.crypto.MACSigner;
 import com.nimbusds.jose.crypto.MACVerifier;
@@ -20,9 +22,6 @@
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
-import java.text.ParseException;
-import java.util.Date;
-
 @Slf4j
 @Service
 @FieldDefaults(level = AccessLevel.PRIVATE, makeFinal = true)
@@ -40,7 +39,14 @@ public String generateToken(UserResponse userResponse) {
         JWSHeader jwsHeader = new JWSHeader(JWSAlgorithm.HS512);
 
         Date now = new Date();
-        JWTClaimsSet jwtClaimsSet = new JWTClaimsSet.Builder().subject(userResponse.getEmail()).issuer("KDP").issueTime(now).expirationTime(Date.from(now.toInstant().plusMillis(jwtExpirationTime))).claim("user_id", userResponse.getId()).claim("scope", userResponse.getRole()).build();
+        JWTClaimsSet jwtClaimsSet = new JWTClaimsSet.Builder()
+                .subject(userResponse.getEmail())
+                .issuer("KDP")
+                .issueTime(now)
+                .expirationTime(Date.from(now.toInstant().plusMillis(jwtExpirationTime)))
+                .claim("user_id", userResponse.getId())
+                .claim("scope", userResponse.getRole())
+                .build();
         Payload payload = new Payload(jwtClaimsSet.toJSONObject());
 
         JWSObject jwsObject = new JWSObject(jwsHeader, payload);
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/TopicServiceImpl.java b/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/TopicServiceImpl.java
index 8e2529f..a79a3d9 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/TopicServiceImpl.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/TopicServiceImpl.java
@@ -3,9 +3,12 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/17 - 22:42 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.service.impl;
 
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+
 import jakarta.validation.Valid;
 import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
@@ -30,10 +33,6 @@
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.stereotype.Service;
 
-import java.util.Arrays;
-import java.util.List;
-import java.util.Optional;
-
 @Slf4j
 @Service
 @AllArgsConstructor
@@ -59,7 +58,8 @@ public PageableDto getTopicsByUserId(Pageable pageable) {
 
         List<Topic> topicList = topicPage.getContent();
 
-        List<TopicResponse> content = topicList.stream().map(topicMapper::toTopicResponse).toList();
+        List<TopicResponse> content =
+                topicList.stream().map(topicMapper::toTopicResponse).toList();
 
         PageableDto pageableDto = new PageableDto(topicPage);
 
@@ -72,7 +72,8 @@ public PageableDto getTopicsByUserId(Pageable pageable) {
      * @hidden Auto get userId from Context Holder to checks
      */
     @Override
-    public TopicResponse createTopic(TopicCreationRequest topicCreationRequest) throws InvalidException, NotFoundException {
+    public TopicResponse createTopic(TopicCreationRequest topicCreationRequest)
+            throws InvalidException, NotFoundException {
         String userId = contextHolderUtil.getUserIdFromContext();
 
         if (topicRepository.existsTopicByTitleAndUser_Id(topicCreationRequest.getTitle(), userId)) {
@@ -92,8 +93,11 @@ public TopicResponse createTopic(TopicCreationRequest topicCreationRequest) thro
      * @hidden Auto get userId from Context Holder to checks
      */
     @Override
-    public TopicResponse updateTopic(@Valid TopicUpdateRequest topicUpdateRequest, String topicId) throws NotFoundException {
-        Topic topic = topicRepository.findById(topicId).orElseThrow(() -> new NotFoundException(TopicMessage.TOPIC_NOT_FOUND));
+    public TopicResponse updateTopic(@Valid TopicUpdateRequest topicUpdateRequest, String topicId)
+            throws NotFoundException {
+        Topic topic = topicRepository
+                .findById(topicId)
+                .orElseThrow(() -> new NotFoundException(TopicMessage.TOPIC_NOT_FOUND));
 
         String userId = contextHolderUtil.getUserIdFromContext();
         // Check topic belong to this user
@@ -114,7 +118,6 @@ public TopicResponse updateTopic(@Valid TopicUpdateRequest topicUpdateRequest, S
     public PageableDto getWordsByTopic(Pageable pageable, String topicId) {
         String userId = contextHolderUtil.getUserIdFromContext();
 
-
         return null;
     }
 }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/UserServiceImpl.java b/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/UserServiceImpl.java
index df814f1..7a8824e 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/UserServiceImpl.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/UserServiceImpl.java
@@ -3,9 +3,11 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/15 - 15:22 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.service.impl;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import lombok.AllArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.kdp.learn_vocabulary_kdp.Util.ContextHolderUtil;
@@ -25,9 +27,6 @@
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
 
-import java.util.ArrayList;
-import java.util.List;
-
 @Slf4j
 @Service
 @AllArgsConstructor
@@ -51,7 +50,8 @@ public List<UserResponse> getUsers() {
 
     @Override
     public UserResponse getUserById(String userId) throws NotFoundException {
-        return userMapper.toUserResponse(userRepository.findById(userId).orElseThrow(() -> new NotFoundException(UserMessage.USER_NOT_FOUND)));
+        return userMapper.toUserResponse(
+                userRepository.findById(userId).orElseThrow(() -> new NotFoundException(UserMessage.USER_NOT_FOUND)));
     }
 
     @Override
@@ -75,7 +75,8 @@ public UserResponse createUser(UserCreationRequest userCreationRequest) throws I
 
     @Override
     public UserResponse updateUser(UserUpdateRequest userUpdateRequest, String userId) {
-        User user = userRepository.findById(userId).orElseThrow(() -> new NotFoundException(UserMessage.USER_NOT_FOUND));
+        User user =
+                userRepository.findById(userId).orElseThrow(() -> new NotFoundException(UserMessage.USER_NOT_FOUND));
 
         userMapper.updateUser(userUpdateRequest, user);
 
@@ -86,14 +87,17 @@ public UserResponse updateUser(UserUpdateRequest userUpdateRequest, String userI
 
     @Override
     public void deleteUser(String userId) {
-        User user = userRepository.findById(userId).orElseThrow(() -> new NotFoundException(UserMessage.USER_NOT_FOUND));
+        User user =
+                userRepository.findById(userId).orElseThrow(() -> new NotFoundException(UserMessage.USER_NOT_FOUND));
 
         userRepository.delete(user);
     }
 
     @Override
     public UserResponse getMyInfo() throws NotFoundException {
-        User user = userRepository.findByEmail(contextHolderUtil.getNameFromContext()).orElseThrow(() -> new NotFoundException(UserMessage.USER_NOT_FOUND));
+        User user = userRepository
+                .findByEmail(contextHolderUtil.getNameFromContext())
+                .orElseThrow(() -> new NotFoundException(UserMessage.USER_NOT_FOUND));
 
         return userMapper.toUserResponse(user);
     }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/WordServiceImpl.java b/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/WordServiceImpl.java
index 75b222f..2e69405 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/WordServiceImpl.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/service/impl/WordServiceImpl.java
@@ -3,9 +3,11 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/08 - 01:31 AM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.service.impl;
 
+import java.util.Arrays;
+import java.util.List;
+
 import lombok.AllArgsConstructor;
 import org.kdp.learn_vocabulary_kdp.entity.Word;
 import org.kdp.learn_vocabulary_kdp.exception.NotFoundException;
@@ -19,9 +21,6 @@
 import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 
-import java.util.Arrays;
-import java.util.List;
-
 @Service
 @AllArgsConstructor
 public class WordServiceImpl implements WordService {
@@ -63,6 +62,5 @@ public WordDto updateWord(String id, WordDto wordDto) {
     }
 
     @Override
-    public void deleteWord(String id) {
-    }
+    public void deleteWord(String id) {}
 }
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/AuthService.java b/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/AuthService.java
index 9f37973..42e510b 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/AuthService.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/AuthService.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 17:55 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.service.interfaces;
 
 import org.kdp.learn_vocabulary_kdp.model.dto.request.auth.LoginRequest;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/JwtService.java b/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/JwtService.java
index 1655b06..c5c8567 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/JwtService.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/JwtService.java
@@ -3,7 +3,6 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 20:34 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.service.interfaces;
 
 import org.kdp.learn_vocabulary_kdp.model.dto.response.user.UserResponse;
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/TopicService.java b/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/TopicService.java
index 99fdceb..544e6ee 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/TopicService.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/TopicService.java
@@ -3,9 +3,10 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/17 - 22:41 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.service.interfaces;
 
+import java.util.List;
+
 import jakarta.validation.Valid;
 import org.kdp.learn_vocabulary_kdp.model.dto.paging.PageableDto;
 import org.kdp.learn_vocabulary_kdp.model.dto.request.topic.TopicCreationRequest;
@@ -14,8 +15,6 @@
 import org.springframework.data.domain.Pageable;
 import org.springframework.validation.annotation.Validated;
 
-import java.util.List;
-
 @Validated
 public interface TopicService {
     List<TopicResponse> getTopics();
diff --git a/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/UserService.java b/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/UserService.java
index 1e85555..4ce24e7 100644
--- a/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/UserService.java
+++ b/src/main/java/org/kdp/learn_vocabulary_kdp/service/interfaces/UserService.java
@@ -3,16 +3,15 @@
  * @Author: Kiet Hoang Gia
  * @LastModified: 2024/12/14 - 21:13 PM (ICT)
  ************************************************/
-
 package org.kdp.learn_vocabulary_kdp.service.interfaces;
 
+import java.util.List;
+
 import org.kdp.learn_vocabulary_kdp.model.dto.request.user.UserCreationRequest;
 import org.kdp.learn_vocabulary_kdp.model.dto.request.user.UserUpdateRequest;
 import org.kdp.learn_vocabulary_kdp.model.dto.response.user.UserResponse;
 import org.springframework.security.access.prepost.PostAuthorize;
 
-import java.util.List;
-
 public interface UserService {
     List<UserResponse> getUsers();
 
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 63b3b9e..1be1221 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -1,14 +1,14 @@
 #
 # Copyright (c) 2024. K1ethoang
 # @Author: Kiet Hoang Gia
-# @LastModified: 2024/12/17 - 23:46 PM (ICT)
+# @LastModified: 2024/12/18 - 18:01 PM (ICT)
 #
 spring.application.name=Learn_Vocabulary_KDP
 server.port=9091
 # Data source
-spring.datasource.url=jdbc:mysql://localhost:6603/Vocabulary_KDP
-spring.datasource.username=root
-spring.datasource.password=123456
+spring.datasource.url=${DBMS_CONNECTION:jdbc:mysql://localhost:6603/Vocabulary_KDP}
+spring.datasource.username=${DBMS_USERNAME:root}
+spring.datasource.password=${DBMS_PASSWORD:123456}
 spring.datasource.driverClassName=com.mysql.cj.jdbc.Driver
 # JPA
 spring.jpa.hibernate.ddl-auto=update
@@ -17,4 +17,4 @@ spring.jpa.properties.hibernate.format_sql=true
 # Security
 ## 1h = 3600s and 3600*1000 = 3600000 milliseconds
 security.jwt.expiration-time=3600000
-security.jwt.secret-key=LtSqLJ3p8/ppwQIaeDKS17xN3PjpBF9dK7qPAqEpL/AzlkGs/qAtsCpk6SDzrI4Q
+security.jwt.secret-key=${SECRET_KEY:LtSqLJ3p8/ppwQIaeDKS17xN3PjpBF9dK7qPAqEpL/AzlkGs/qAtsCpk6SDzrI4Q}
diff --git a/src/test/java/org/kdp/learn_vocabulary_kdp/LearnVocabularyKdpApplicationTests.java b/src/test/java/org/kdp/learn_vocabulary_kdp/LearnVocabularyKdpApplicationTests.java
index 76ed167..3817f05 100644
--- a/src/test/java/org/kdp/learn_vocabulary_kdp/LearnVocabularyKdpApplicationTests.java
+++ b/src/test/java/org/kdp/learn_vocabulary_kdp/LearnVocabularyKdpApplicationTests.java
@@ -6,8 +6,6 @@
 @SpringBootTest
 class LearnVocabularyKdpApplicationTests {
 
-	@Test
-	void contextLoads() {
-	}
-
+    @Test
+    void contextLoads() {}
 }