diff --git a/electrmangnetic/pom.xml b/electrmangnetic/pom.xml
index c0ca351..8c1d21a 100644
--- a/electrmangnetic/pom.xml
+++ b/electrmangnetic/pom.xml
@@ -56,11 +56,11 @@
             <artifactId>mybatis-plus-spring-boot3-starter</artifactId>
             <version>3.5.7</version>
         </dependency>
-<!--        <dependency>-->
-<!--            <groupId>mysql</groupId>-->
-<!--            <artifactId>mysql-connector-java</artifactId>-->
-<!--            <version>8.0.31</version>-->
-<!--        </dependency>-->
+        <!--        <dependency>-->
+        <!--            <groupId>mysql</groupId>-->
+        <!--            <artifactId>mysql-connector-java</artifactId>-->
+        <!--            <version>8.0.31</version>-->
+        <!--        </dependency>-->
         <dependency>
             <groupId>org.mariadb.jdbc</groupId>
             <artifactId>mariadb-java-client</artifactId>
diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/EdTagLibrary.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/EdTagLibrary.java
index c0112d1..031e805 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/EdTagLibrary.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/EdTagLibrary.java
@@ -5,7 +5,9 @@ import com.baomidou.mybatisplus.annotation.TableName;
 import com.electromagnetic.industry.software.common.enums.PublishEnum;
 import com.electromagnetic.industry.software.common.util.IdWorker;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 
+@EqualsAndHashCode(callSuper = true)
 @Data
 @TableName("ed_tag_library")
 public class EdTagLibrary extends BaseModel {
diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/UserRole.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/UserRole.java
index d1f041f..b6202f9 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/UserRole.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/UserRole.java
@@ -4,7 +4,9 @@ import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableName;
 import com.electromagnetic.industry.software.common.util.IdWorker;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 
+@EqualsAndHashCode(callSuper = true)
 @Data
 @TableName("ed_user_role")
 public class UserRole extends BaseModel {
diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/ChatService.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/ChatService.java
index 960fe99..8cc09e8 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/ChatService.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/ChatService.java
@@ -6,7 +6,6 @@ import cn.hutool.core.util.IdUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.crypto.digest.DigestUtil;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
-import com.electromagnetic.industry.software.common.enums.EffectFlagEnum;
 import com.electromagnetic.industry.software.common.pojo.PageFile;
 import com.electromagnetic.industry.software.common.pojo.UserLoginInfo;
 import com.electromagnetic.industry.software.common.resp.ElectromagneticResult;
@@ -42,7 +41,10 @@ import reactor.core.publisher.Flux;
 import java.io.File;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
 
 @Slf4j
 @Service