diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..549e00a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
diff --git a/pom.xml b/pom.xml
index b86400e..de8f667 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.1.3</version>
+        <version>3.2.0</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>com.lion</groupId>
diff --git a/src/main/java/com/lion/sns/controller/FileController.java b/src/main/java/com/lion/sns/controller/FileController.java
index b63f5d4..43f22dd 100644
--- a/src/main/java/com/lion/sns/controller/FileController.java
+++ b/src/main/java/com/lion/sns/controller/FileController.java
@@ -6,7 +6,6 @@ import com.lion.sns.util.Response;
 import jakarta.annotation.Resource;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
-import jakarta.servlet.http.HttpSession;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
diff --git a/src/main/java/com/lion/sns/controller/SiteManageController.java b/src/main/java/com/lion/sns/controller/SiteManageController.java
index 9d81c0f..aaa679d 100644
--- a/src/main/java/com/lion/sns/controller/SiteManageController.java
+++ b/src/main/java/com/lion/sns/controller/SiteManageController.java
@@ -2,7 +2,6 @@ package com.lion.sns.controller;
 
 import com.lion.sns.pojo.Site;
 import com.lion.sns.service.SiteService;
-import com.lion.sns.util.Response;
 import jakarta.annotation.Resource;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
diff --git a/src/main/java/com/lion/sns/dao/CustomConfigurationMapper.java b/src/main/java/com/lion/sns/dao/CustomConfigurationMapper.java
index cee38bf..8d034d3 100644
--- a/src/main/java/com/lion/sns/dao/CustomConfigurationMapper.java
+++ b/src/main/java/com/lion/sns/dao/CustomConfigurationMapper.java
@@ -7,7 +7,7 @@ import org.apache.ibatis.annotations.Update;
 
 @Mapper
 public interface CustomConfigurationMapper {
-    static final String PATH = "path";
+    String PATH = "path";
 
 
     @Select("select value from custom_configuration where key=#{key}")
diff --git a/src/main/java/com/lion/sns/interceptor/Interceptor.java b/src/main/java/com/lion/sns/interceptor/Interceptor.java
index 4ae5a01..2e1e94d 100644
--- a/src/main/java/com/lion/sns/interceptor/Interceptor.java
+++ b/src/main/java/com/lion/sns/interceptor/Interceptor.java
@@ -12,8 +12,6 @@ import org.springframework.stereotype.Component;
 import org.springframework.web.servlet.HandlerInterceptor;
 
 import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Objects;
 
 @Getter
 @Component
@@ -25,7 +23,7 @@ public class Interceptor implements HandlerInterceptor {
         sessionId2user = new HashMap<>();
         String path = customConfigurationMapper.selectValue(CustomConfigurationMapper.PATH);
         if(path == null || path.isEmpty())
-            new Thread(() -> {CustomUtil.initSns(customConfigurationMapper, siteMapper, userMapper);}).start();
+            new Thread(() -> CustomUtil.initSns(customConfigurationMapper, siteMapper, userMapper)).start();
     }
 
     //需要鉴别管理员接口
diff --git a/src/main/java/com/lion/sns/pojo/FileNode.java b/src/main/java/com/lion/sns/pojo/FileNode.java
index 89588f3..a4479a9 100644
--- a/src/main/java/com/lion/sns/pojo/FileNode.java
+++ b/src/main/java/com/lion/sns/pojo/FileNode.java
@@ -5,7 +5,6 @@ import lombok.Data;
 
 
 import java.util.Date;
-import java.util.TreeMap;
 
 @Data
 public class FileNode {
diff --git a/src/main/java/com/lion/sns/service/CommunicateService.java b/src/main/java/com/lion/sns/service/CommunicateService.java
index dfe4e2f..b80b45c 100644
--- a/src/main/java/com/lion/sns/service/CommunicateService.java
+++ b/src/main/java/com/lion/sns/service/CommunicateService.java
@@ -354,9 +354,7 @@ public class CommunicateService {
                 }
                 case AbstractMessage.MOVE_FILE_REQUEST_MESSAGE -> {
                     MoveFileRequestMessage moveFileRequestMessage = (MoveFileRequestMessage) abstractMessage;
-                    threadPool.submit(() -> {
-                        receiveFile(ctx.channel(), moveFileRequestMessage);
-                    });
+                    threadPool.submit(() -> receiveFile(ctx.channel(), moveFileRequestMessage));
                 }
                 case AbstractMessage.MOVE_FILE_RESPONSE_MESSAGE -> {
                     MoveFileResponseMessage moveFileResponseMessage = (MoveFileResponseMessage) abstractMessage;
@@ -382,9 +380,7 @@ public class CommunicateService {
                              }
                          }
                 }
-                case AbstractMessage.PAIR_MESSAGE -> {
-                    proceedPair((PairMessage) abstractMessage, ctx.channel());
-                }
+                case AbstractMessage.PAIR_MESSAGE -> proceedPair((PairMessage) abstractMessage, ctx.channel());
                 case AbstractMessage.CONNECT_MESSAGE -> {
                     String ip = ctx.channel().remoteAddress().toString().replace("/", "").split(":")[0];
                     Site site = siteMapper.selectSiteByIp(ip);
diff --git a/src/main/java/com/lion/sns/service/ShareService.java b/src/main/java/com/lion/sns/service/ShareService.java
index 86d9839..3aa325d 100644
--- a/src/main/java/com/lion/sns/service/ShareService.java
+++ b/src/main/java/com/lion/sns/service/ShareService.java
@@ -1,8 +1,6 @@
 package com.lion.sns.service;
 
 import cn.hutool.core.util.RandomUtil;
-import com.fasterxml.jackson.core.type.TypeReference;
-import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.lion.sns.dao.CustomConfigurationMapper;
 import com.lion.sns.dao.ShareFileMapper;
diff --git a/src/main/java/com/lion/sns/service/SiteService.java b/src/main/java/com/lion/sns/service/SiteService.java
index d9ec719..81b37b6 100644
--- a/src/main/java/com/lion/sns/service/SiteService.java
+++ b/src/main/java/com/lion/sns/service/SiteService.java
@@ -1,6 +1,5 @@
 package com.lion.sns.service;
 
-import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.io.file.PathUtil;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.lion.sns.ScalableNetworkStorageApplication;
diff --git a/src/main/java/com/lion/sns/service/TaskService.java b/src/main/java/com/lion/sns/service/TaskService.java
index 6b190d9..2dabf19 100644
--- a/src/main/java/com/lion/sns/service/TaskService.java
+++ b/src/main/java/com/lion/sns/service/TaskService.java
@@ -9,7 +9,6 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.locks.ReentrantLock;
 
 @Service
@@ -18,13 +17,8 @@ public class TaskService {
 
     ScheduledExecutorService thread;
 
-    @Resource
-    WebSocketService webSocketService;
-
     ReentrantLock lock;
 
-
-
     HashMap<Integer, Integer> taskId2Site;
 
     public TaskService(){
diff --git a/src/main/java/com/lion/sns/service/WebSocketService.java b/src/main/java/com/lion/sns/service/WebSocketService.java
index 5eff615..6ce3a8c 100644
--- a/src/main/java/com/lion/sns/service/WebSocketService.java
+++ b/src/main/java/com/lion/sns/service/WebSocketService.java
@@ -123,7 +123,7 @@ public class WebSocketService implements WebSocketHandler {
     }
 
     @Override
-    public void handleTransportError(WebSocketSession session, Throwable exception) throws Exception {
+    public void handleTransportError(WebSocketSession session, Throwable exception){
 
     }
 
diff --git a/src/main/java/com/lion/sns/util/CustomUtil.java b/src/main/java/com/lion/sns/util/CustomUtil.java
index 27af295..6766cbd 100644
--- a/src/main/java/com/lion/sns/util/CustomUtil.java
+++ b/src/main/java/com/lion/sns/util/CustomUtil.java
@@ -8,7 +8,6 @@ import com.lion.sns.dao.UserMapper;
 import com.lion.sns.message.PairMessage;
 import com.lion.sns.pojo.Site;
 import com.lion.sns.pojo.User;
-import jakarta.servlet.http.HttpServletResponse;
 import lombok.Data;
 import org.springframework.util.DigestUtils;
 
diff --git a/src/main/java/com/lion/sns/util/Response.java b/src/main/java/com/lion/sns/util/Response.java
index b7a6cf6..b69df1d 100644
--- a/src/main/java/com/lion/sns/util/Response.java
+++ b/src/main/java/com/lion/sns/util/Response.java
@@ -2,13 +2,10 @@ package com.lion.sns.util;
 
 
 import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 
-import java.util.HashMap;
 
 public class Response {
-//    HashMap<String, String> result;
     ObjectNode result;
 
     public Response(){