diff --git a/ruoyi-admin/src/main/java/org/dromara/web/service/impl/PasswordAuthStrategy.java b/ruoyi-admin/src/main/java/org/dromara/web/service/impl/PasswordAuthStrategy.java
index cd33ea408..e9fbaabd4 100644
--- a/ruoyi-admin/src/main/java/org/dromara/web/service/impl/PasswordAuthStrategy.java
+++ b/ruoyi-admin/src/main/java/org/dromara/web/service/impl/PasswordAuthStrategy.java
@@ -4,6 +4,7 @@ import cn.dev33.satoken.secure.BCrypt;
 import cn.dev33.satoken.stp.SaLoginModel;
 import cn.dev33.satoken.stp.StpUtil;
 import cn.hutool.core.util.ObjectUtil;
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -34,6 +35,8 @@ import org.dromara.web.service.IAuthStrategy;
 import org.dromara.web.service.SysLoginService;
 import org.springframework.stereotype.Service;
 
+import java.util.Objects;
+
 /**
  * 密码认证策略
  *
@@ -95,7 +98,7 @@ public class PasswordAuthStrategy implements IAuthStrategy {
      * @param uuid     唯一标识
      */
     private void validateCaptcha(String tenantId, String username, String code, String uuid) {
-        String verifyKey = GlobalConstants.CAPTCHA_CODE_KEY + StringUtils.defaultString(uuid, "");
+        String verifyKey = GlobalConstants.CAPTCHA_CODE_KEY + Objects.toString(uuid, StrUtil.EMPTY);
         String captcha = RedisUtils.getCacheObject(verifyKey);
         RedisUtils.deleteObject(verifyKey);
         if (captcha == null) {
diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/Threads.java b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/Threads.java
index ae6cfa322..a9dca6904 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/Threads.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/Threads.java
@@ -21,8 +21,7 @@ public class Threads {
     public static void sleep(long milliseconds) {
         try {
             Thread.sleep(milliseconds);
-        } catch (InterruptedException e) {
-            return;
+        } catch (InterruptedException ignore) {
         }
     }
 
diff --git a/ruoyi-common/ruoyi-common-encrypt/src/main/java/org/dromara/common/encrypt/enumd/EncodeType.java b/ruoyi-common/ruoyi-common-encrypt/src/main/java/org/dromara/common/encrypt/enumd/EncodeType.java
index f471221e2..6be3757de 100644
--- a/ruoyi-common/ruoyi-common-encrypt/src/main/java/org/dromara/common/encrypt/enumd/EncodeType.java
+++ b/ruoyi-common/ruoyi-common-encrypt/src/main/java/org/dromara/common/encrypt/enumd/EncodeType.java
@@ -21,6 +21,5 @@ public enum EncodeType {
     /**
      * 16进制编码
      */
-    HEX;
-
+    HEX
 }
diff --git a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/helper/DataBaseHelper.java b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/helper/DataBaseHelper.java
index bb20f4b3a..400efbe90 100644
--- a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/helper/DataBaseHelper.java
+++ b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/helper/DataBaseHelper.java
@@ -14,7 +14,6 @@ import java.sql.DatabaseMetaData;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Set;
 
 /**
  * 数据库助手
diff --git a/ruoyi-common/ruoyi-common-oss/src/main/java/org/dromara/common/oss/core/OssClient.java b/ruoyi-common/ruoyi-common-oss/src/main/java/org/dromara/common/oss/core/OssClient.java
index 86668aa2c..aea52fe2e 100644
--- a/ruoyi-common/ruoyi-common-oss/src/main/java/org/dromara/common/oss/core/OssClient.java
+++ b/ruoyi-common/ruoyi-common-oss/src/main/java/org/dromara/common/oss/core/OssClient.java
@@ -2,6 +2,7 @@ package org.dromara.common.oss.core;
 
 import cn.hutool.core.io.IoUtil;
 import cn.hutool.core.util.IdUtil;
+import lombok.Getter;
 import org.dromara.common.core.constant.Constants;
 import org.dromara.common.core.utils.DateUtils;
 import org.dromara.common.core.utils.StringUtils;
@@ -46,7 +47,11 @@ public class OssClient {
 
     /**
      * 服务商
+     * -- GETTER --
+     *  服务商
+
      */
+    @Getter
     private final String configKey;
 
     /**
@@ -485,13 +490,6 @@ public class OssClient {
         return path.replace(getUrl() + StringUtils.SLASH, "");
     }
 
-    /**
-     * 服务商
-     */
-    public String getConfigKey() {
-        return configKey;
-    }
-
     /**
      * 获取是否使用 HTTPS 的配置，并返回相应的协议头部。
      *
diff --git a/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/core/dao/PlusSaTokenDao.java b/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/core/dao/PlusSaTokenDao.java
index 0664755a4..67ae5c2d9 100644
--- a/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/core/dao/PlusSaTokenDao.java
+++ b/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/core/dao/PlusSaTokenDao.java
@@ -2,7 +2,6 @@ package org.dromara.common.satoken.core.dao;
 
 import cn.dev33.satoken.dao.SaTokenDao;
 import cn.dev33.satoken.util.SaFoxUtil;
-import cn.hutool.core.lang.Console;
 import com.github.benmanes.caffeine.cache.Cache;
 import com.github.benmanes.caffeine.cache.Caffeine;
 import org.dromara.common.redis.utils.RedisUtils;
@@ -99,8 +98,7 @@ public class PlusSaTokenDao implements SaTokenDao {
      */
     @Override
     public Object getObject(String key) {
-        Object o = CAFFEINE.get(key, k -> RedisUtils.getCacheObject(key));
-        return o;
+        return CAFFEINE.get(key, k -> RedisUtils.getCacheObject(key));
     }
 
     /**
diff --git a/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/core/I18nLocaleResolver.java b/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/core/I18nLocaleResolver.java
index 98ddd06b5..8edc1b063 100644
--- a/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/core/I18nLocaleResolver.java
+++ b/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/core/I18nLocaleResolver.java
@@ -1,5 +1,6 @@
 package org.dromara.common.web.core;
 
+import org.dromara.common.core.utils.StringUtils;
 import org.springframework.web.servlet.LocaleResolver;
 
 import jakarta.servlet.http.HttpServletRequest;
@@ -17,9 +18,12 @@ public class I18nLocaleResolver implements LocaleResolver {
     public Locale resolveLocale(HttpServletRequest httpServletRequest) {
         String language = httpServletRequest.getHeader("content-language");
         Locale locale = Locale.getDefault();
-        if (language != null && language.length() > 0) {
+        if (StringUtils.isNotBlank(language)) {
             String[] split = language.split("_");
-            locale = new Locale(split[0], split[1]);
+            locale = new Locale.Builder()
+                .setLanguage(split[0])
+                .setRegion(split[1])
+                .build();
         }
         return locale;
     }
diff --git a/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/RedisLockController.java b/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/RedisLockController.java
index b7e096266..64fc21981 100644
--- a/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/RedisLockController.java
+++ b/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/RedisLockController.java
@@ -33,13 +33,13 @@ public class RedisLockController {
     @Lock4j(keys = {"#key"})
     @GetMapping("/testLock4j")
     public R<String> testLock4j(String key, String value) {
-        System.out.println("start:" + key + ",time:" + LocalTime.now().toString());
+        System.out.println("start:" + key + ",time:" + LocalTime.now());
         try {
             Thread.sleep(10000);
         } catch (InterruptedException e) {
             e.printStackTrace();
         }
-        System.out.println("end :" + key + ",time:" + LocalTime.now().toString());
+        System.out.println("end :" + key + ",time:" + LocalTime.now());
         return R.ok("操作成功", value);
     }
 
diff --git a/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/queue/BoundedQueueController.java b/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/queue/BoundedQueueController.java
index 30ec27f7f..e08586fd7 100644
--- a/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/queue/BoundedQueueController.java
+++ b/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/controller/queue/BoundedQueueController.java
@@ -49,7 +49,7 @@ public class BoundedQueueController {
         for (int i = 0; i < 11; i++) {
             String data = "data-" + i;
             boolean flag = QueueUtils.addBoundedQueueObject(queueName, data);
-            if (flag == false) {
+            if (!flag) {
                 log.info("通道: {} , 发送数据: {} 失败, 通道已满", queueName, data);
             } else {
                 log.info("通道: {} , 发送数据: {}", queueName, data);
diff --git a/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/domain/vo/ExportDemoVo.java b/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/domain/vo/ExportDemoVo.java
index 95fa0d140..ef9058ed5 100644
--- a/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/domain/vo/ExportDemoVo.java
+++ b/ruoyi-modules/ruoyi-demo/src/main/java/org/dromara/demo/domain/vo/ExportDemoVo.java
@@ -15,6 +15,9 @@ import org.dromara.common.excel.annotation.ExcelEnumFormat;
 import org.dromara.common.excel.convert.ExcelDictConvert;
 import org.dromara.common.excel.convert.ExcelEnumConvert;
 
+import java.io.Serial;
+import java.io.Serializable;
+
 /**
  * 带有下拉选的Excel导出
  *
@@ -24,8 +27,9 @@ import org.dromara.common.excel.convert.ExcelEnumConvert;
 @ExcelIgnoreUnannotated
 @AllArgsConstructor
 @NoArgsConstructor
-public class ExportDemoVo {
+public class ExportDemoVo implements Serializable {
 
+    @Serial
     private static final long serialVersionUID = 1L;
 
     /**
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysConfigBo.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysConfigBo.java
index 257935dd1..687fde4c0 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysConfigBo.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysConfigBo.java
@@ -28,21 +28,21 @@ public class SysConfigBo extends BaseEntity {
      * 参数名称
      */
     @NotBlank(message = "参数名称不能为空")
-    @Size(min = 0, max = 100, message = "参数名称不能超过{max}个字符")
+    @Size(max = 100, message = "参数名称不能超过{max}个字符")
     private String configName;
 
     /**
      * 参数键名
      */
     @NotBlank(message = "参数键名不能为空")
-    @Size(min = 0, max = 100, message = "参数键名长度不能超过{max}个字符")
+    @Size(max = 100, message = "参数键名长度不能超过{max}个字符")
     private String configKey;
 
     /**
      * 参数键值
      */
     @NotBlank(message = "参数键值不能为空")
-    @Size(min = 0, max = 500, message = "参数键值长度不能超过{max}个字符")
+    @Size(max = 500, message = "参数键值长度不能超过{max}个字符")
     private String configValue;
 
     /**
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysDeptBo.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysDeptBo.java
index 5f64d6f30..527fb8f55 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysDeptBo.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysDeptBo.java
@@ -35,13 +35,13 @@ public class SysDeptBo extends BaseEntity {
      * 部门名称
      */
     @NotBlank(message = "部门名称不能为空")
-    @Size(min = 0, max = 30, message = "部门名称长度不能超过{max}个字符")
+    @Size(max = 30, message = "部门名称长度不能超过{max}个字符")
     private String deptName;
 
     /**
      * 部门类别编码
      */
-    @Size(min = 0, max = 100, message = "部门类别编码长度不能超过{max}个字符")
+    @Size(max = 100, message = "部门类别编码长度不能超过{max}个字符")
     private String deptCategory;
 
     /**
@@ -58,14 +58,14 @@ public class SysDeptBo extends BaseEntity {
     /**
      * 联系电话
      */
-    @Size(min = 0, max = 11, message = "联系电话长度不能超过{max}个字符")
+    @Size(max = 11, message = "联系电话长度不能超过{max}个字符")
     private String phone;
 
     /**
      * 邮箱
      */
     @Email(message = "邮箱格式不正确")
-    @Size(min = 0, max = 50, message = "邮箱长度不能超过{max}个字符")
+    @Size(max = 50, message = "邮箱长度不能超过{max}个字符")
     private String email;
 
     /**
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysDictDataBo.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysDictDataBo.java
index 042946ca1..e105f5a60 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysDictDataBo.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysDictDataBo.java
@@ -34,27 +34,27 @@ public class SysDictDataBo extends BaseEntity {
      * 字典标签
      */
     @NotBlank(message = "字典标签不能为空")
-    @Size(min = 0, max = 100, message = "字典标签长度不能超过{max}个字符")
+    @Size(max = 100, message = "字典标签长度不能超过{max}个字符")
     private String dictLabel;
 
     /**
      * 字典键值
      */
     @NotBlank(message = "字典键值不能为空")
-    @Size(min = 0, max = 100, message = "字典键值长度不能超过{max}个字符")
+    @Size(max = 100, message = "字典键值长度不能超过{max}个字符")
     private String dictValue;
 
     /**
      * 字典类型
      */
     @NotBlank(message = "字典类型不能为空")
-    @Size(min = 0, max = 100, message = "字典类型长度不能超过{max}个字符")
+    @Size(max = 100, message = "字典类型长度不能超过{max}个字符")
     private String dictType;
 
     /**
      * 样式属性（其他样式扩展）
      */
-    @Size(min = 0, max = 100, message = "样式属性长度不能超过{max}个字符")
+    @Size(max = 100, message = "样式属性长度不能超过{max}个字符")
     private String cssClass;
 
     /**
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysDictTypeBo.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysDictTypeBo.java
index fcc1ac11d..3ae062776 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysDictTypeBo.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysDictTypeBo.java
@@ -30,14 +30,14 @@ public class SysDictTypeBo extends BaseEntity {
      * 字典名称
      */
     @NotBlank(message = "字典名称不能为空")
-    @Size(min = 0, max = 100, message = "字典类型名称长度不能超过{max}个字符")
+    @Size(max = 100, message = "字典类型名称长度不能超过{max}个字符")
     private String dictName;
 
     /**
      * 字典类型
      */
     @NotBlank(message = "字典类型不能为空")
-    @Size(min = 0, max = 100, message = "字典类型类型长度不能超过{max}个字符")
+    @Size(max = 100, message = "字典类型类型长度不能超过{max}个字符")
     @Pattern(regexp = RegexConstants.DICTIONARY_TYPE, message = "字典类型必须以字母开头，且只能为（小写字母，数字，下滑线）")
     private String dictType;
 
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysMenuBo.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysMenuBo.java
index fbaafaa63..bbb94a86c 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysMenuBo.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysMenuBo.java
@@ -37,7 +37,7 @@ public class SysMenuBo extends BaseEntity {
      * 菜单名称
      */
     @NotBlank(message = "菜单名称不能为空")
-    @Size(min = 0, max = 50, message = "菜单名称长度不能超过{max}个字符")
+    @Size(max = 50, message = "菜单名称长度不能超过{max}个字符")
     private String menuName;
 
     /**
@@ -49,13 +49,13 @@ public class SysMenuBo extends BaseEntity {
     /**
      * 路由地址
      */
-    @Size(min = 0, max = 200, message = "路由地址不能超过{max}个字符")
+    @Size(max = 200, message = "路由地址不能超过{max}个字符")
     private String path;
 
     /**
      * 组件路径
      */
-    @Size(min = 0, max = 200, message = "组件路径不能超过{max}个字符")
+    @Size(max = 200, message = "组件路径不能超过{max}个字符")
     private String component;
 
     /**
@@ -93,7 +93,7 @@ public class SysMenuBo extends BaseEntity {
      * 权限标识
      */
     @JsonInclude(JsonInclude.Include.NON_NULL)
-    @Size(min = 0, max = 100, message = "权限标识长度不能超过{max}个字符")
+    @Size(max = 100, message = "权限标识长度不能超过{max}个字符")
     @Pattern(regexp = RegexConstants.PERMISSION_STRING, message = "权限标识必须符合 tool:build:list 格式")
     private String perms;
 
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysNoticeBo.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysNoticeBo.java
index cdcc57508..99f604b7c 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysNoticeBo.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysNoticeBo.java
@@ -30,7 +30,7 @@ public class SysNoticeBo extends BaseEntity {
      */
     @Xss(message = "公告标题不能包含脚本字符")
     @NotBlank(message = "公告标题不能为空")
-    @Size(min = 0, max = 50, message = "公告标题不能超过{max}个字符")
+    @Size(max = 50, message = "公告标题不能超过{max}个字符")
     private String noticeTitle;
 
     /**
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysPostBo.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysPostBo.java
index 09805cdda..b779dd9ca 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysPostBo.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysPostBo.java
@@ -40,20 +40,20 @@ public class SysPostBo extends BaseEntity {
      * 岗位编码
      */
     @NotBlank(message = "岗位编码不能为空")
-    @Size(min = 0, max = 64, message = "岗位编码长度不能超过{max}个字符")
+    @Size(max = 64, message = "岗位编码长度不能超过{max}个字符")
     private String postCode;
 
     /**
      * 岗位名称
      */
     @NotBlank(message = "岗位名称不能为空")
-    @Size(min = 0, max = 50, message = "岗位名称长度不能超过{max}个字符")
+    @Size(max = 50, message = "岗位名称长度不能超过{max}个字符")
     private String postName;
 
     /**
      * 岗位类别编码
      */
-    @Size(min = 0, max = 100, message = "类别编码长度不能超过{max}个字符")
+    @Size(max = 100, message = "类别编码长度不能超过{max}个字符")
     private String postCategory;
 
     /**
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysRoleBo.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysRoleBo.java
index 0c8b4dca9..55784727e 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysRoleBo.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysRoleBo.java
@@ -32,14 +32,14 @@ public class SysRoleBo extends BaseEntity {
      * 角色名称
      */
     @NotBlank(message = "角色名称不能为空")
-    @Size(min = 0, max = 30, message = "角色名称长度不能超过{max}个字符")
+    @Size(max = 30, message = "角色名称长度不能超过{max}个字符")
     private String roleName;
 
     /**
      * 角色权限字符串
      */
     @NotBlank(message = "角色权限字符串不能为空")
-    @Size(min = 0, max = 100, message = "权限字符长度不能超过{max}个字符")
+    @Size(max = 100, message = "权限字符长度不能超过{max}个字符")
     private String roleKey;
 
     /**
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysUserBo.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysUserBo.java
index 7ad2759b2..d681fa374 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysUserBo.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysUserBo.java
@@ -39,7 +39,7 @@ public class SysUserBo extends BaseEntity {
      */
     @Xss(message = "用户账号不能包含脚本字符")
     @NotBlank(message = "用户账号不能为空")
-    @Size(min = 0, max = 30, message = "用户账号长度不能超过{max}个字符")
+    @Size(max = 30, message = "用户账号长度不能超过{max}个字符")
     private String userName;
 
     /**
@@ -47,7 +47,7 @@ public class SysUserBo extends BaseEntity {
      */
     @Xss(message = "用户昵称不能包含脚本字符")
     @NotBlank(message = "用户昵称不能为空")
-    @Size(min = 0, max = 30, message = "用户昵称长度不能超过{max}个字符")
+    @Size(max = 30, message = "用户昵称长度不能超过{max}个字符")
     private String nickName;
 
     /**
@@ -59,7 +59,7 @@ public class SysUserBo extends BaseEntity {
      * 用户邮箱
      */
     @Email(message = "邮箱格式不正确")
-    @Size(min = 0, max = 50, message = "邮箱长度不能超过{max}个字符")
+    @Size(max = 50, message = "邮箱长度不能超过{max}个字符")
     private String email;
 
     /**
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysUserProfileBo.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysUserProfileBo.java
index 846dd7960..ba0b899f2 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysUserProfileBo.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/SysUserProfileBo.java
@@ -27,7 +27,7 @@ public class SysUserProfileBo extends BaseEntity {
      * 用户昵称
      */
     @Xss(message = "用户昵称不能包含脚本字符")
-    @Size(min = 0, max = 30, message = "用户昵称长度不能超过{max}个字符")
+    @Size(max = 30, message = "用户昵称长度不能超过{max}个字符")
     private String nickName;
 
     /**
@@ -35,7 +35,7 @@ public class SysUserProfileBo extends BaseEntity {
      */
     @Sensitive(strategy = SensitiveStrategy.EMAIL)
     @Email(message = "邮箱格式不正确")
-    @Size(min = 0, max = 50, message = "邮箱长度不能超过{max}个字符")
+    @Size(max = 50, message = "邮箱长度不能超过{max}个字符")
     private String email;
 
     /**
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysClientService.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysClientService.java
index d0f8a3cbe..4b13e0209 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysClientService.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysClientService.java
@@ -1,6 +1,5 @@
 package org.dromara.system.service;
 
-import org.dromara.system.domain.SysClient;
 import org.dromara.system.domain.vo.SysClientVo;
 import org.dromara.system.domain.bo.SysClientBo;
 import org.dromara.common.mybatis.core.page.TableDataInfo;
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysConfigServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysConfigServiceImpl.java
index bebfdadf4..1f3dd3749 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysConfigServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysConfigServiceImpl.java
@@ -30,6 +30,7 @@ import org.springframework.stereotype.Service;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 
 /**
  * 参数配置 服务层实现
@@ -147,7 +148,7 @@ public class SysConfigServiceImpl implements ISysConfigService, ConfigService {
     public String updateConfig(SysConfigBo bo) {
         int row = 0;
         SysConfig config = MapstructUtils.convert(bo, SysConfig.class);
-        if (config.getConfigId() != null) {
+        if (Objects.nonNull(config) && Objects.nonNull(config.getConfigId())) {
             SysConfig temp = baseMapper.selectById(config.getConfigId());
             if (!StringUtils.equals(temp.getConfigKey(), config.getConfigKey())) {
                 CacheUtils.evict(CacheNames.SYS_CONFIG, temp.getConfigKey());
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysLogininforServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysLogininforServiceImpl.java
index 9c930a0c5..d850ed23f 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysLogininforServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysLogininforServiceImpl.java
@@ -105,7 +105,7 @@ public class SysLogininforServiceImpl implements ISysLogininforService {
         if (msg == null) {
             msg = "";
         }
-        return "[" + msg.toString() + "]";
+        return "[" + msg + "]";
     }
 
     @Override
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysRoleServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysRoleServiceImpl.java
index abd294f3e..e139a8193 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysRoleServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysRoleServiceImpl.java
@@ -4,6 +4,7 @@ import cn.dev33.satoken.exception.NotLoginException;
 import cn.dev33.satoken.stp.StpUtil;
 import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.collection.CollectionUtil;
 import cn.hutool.core.util.ObjectUtil;
 import com.baomidou.mybatisplus.core.conditions.Wrapper;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
@@ -352,7 +353,7 @@ public class SysRoleServiceImpl implements ISysRoleService {
             rm.setMenuId(menuId);
             list.add(rm);
         }
-        if (list.size() > 0) {
+        if (CollectionUtil.isNotEmpty(list)) {
             rows = roleMenuMapper.insertBatch(list) ? list.size() : 0;
         }
         return rows;
@@ -373,7 +374,7 @@ public class SysRoleServiceImpl implements ISysRoleService {
             rd.setDeptId(deptId);
             list.add(rd);
         }
-        if (list.size() > 0) {
+        if (CollectionUtil.isNotEmpty(list)) {
             rows = roleDeptMapper.insertBatch(list) ? list.size() : 0;
         }
         return rows;
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/flowable/CustomDefaultProcessDiagramGenerator.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/flowable/CustomDefaultProcessDiagramGenerator.java
index e4793a26f..df8881006 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/flowable/CustomDefaultProcessDiagramGenerator.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/flowable/CustomDefaultProcessDiagramGenerator.java
@@ -13,10 +13,12 @@
 
 package org.dromara.workflow.flowable;
 
+import cn.hutool.core.collection.CollectionUtil;
 import org.flowable.bpmn.model.Event;
 import org.flowable.bpmn.model.Process;
 import org.flowable.bpmn.model.*;
 import org.flowable.image.ProcessDiagramGenerator;
+import org.springframework.util.CollectionUtils;
 
 import java.awt.*;
 import java.awt.image.BufferedImage;
@@ -69,9 +71,8 @@ public class CustomDefaultProcessDiagramGenerator implements ProcessDiagramGener
                     }
                 } else {
                     List<ExtensionElement> eventTypeElements = startEvent.getExtensionElements().get("eventType");
-                    if (eventTypeElements != null && eventTypeElements.size() > 0) {
+                    if (CollectionUtil.isNotEmpty(eventTypeElements)) {
                         processDiagramCanvas.drawEventRegistryStartEvent(graphicInfo, scaleFactor);
-
                     } else {
                         processDiagramCanvas.drawNoneStartEvent(graphicInfo);
                     }
@@ -350,7 +351,7 @@ public class CustomDefaultProcessDiagramGenerator implements ProcessDiagramGener
 
                 } else {
                     List<ExtensionElement> eventTypeElements = boundaryEvent.getExtensionElements().get("eventType");
-                    if (eventTypeElements != null && eventTypeElements.size() > 0) {
+                    if (CollectionUtil.isNotEmpty(eventTypeElements)) {
                         processDiagramCanvas.drawCatchingEventRegistryEvent(flowNode.getName(), graphicInfo, boundaryEvent.isCancelActivity(), scaleFactor);
                     }
                 }
@@ -634,7 +635,7 @@ public class CustomDefaultProcessDiagramGenerator implements ProcessDiagramGener
             }
         }
 
-        if (allGraphicInfos.size() > 0) {
+        if (CollectionUtil.isNotEmpty(allGraphicInfos)) {
 
             boolean needsTranslationX = false;
             boolean needsTranslationY = false;
@@ -752,7 +753,7 @@ public class CustomDefaultProcessDiagramGenerator implements ProcessDiagramGener
             FlowElement sourceElement = bpmnModel.getFlowElement(sourceRef);
             FlowElement targetElement = bpmnModel.getFlowElement(targetRef);
             List<GraphicInfo> graphicInfoList = bpmnModel.getFlowLocationGraphicInfo(sequenceFlow.getId());
-            if (graphicInfoList != null && graphicInfoList.size() > 0) {
+            if (CollectionUtil.isNotEmpty(graphicInfoList)) {
                 graphicInfoList = connectionPerfectionizer(processDiagramCanvas, bpmnModel, sourceElement, targetElement, graphicInfoList);
                 int[] xPoints = new int[graphicInfoList.size()];
                 int[] yPoints = new int[graphicInfoList.size()];
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/flowable/handler/TaskTimeoutJobHandler.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/flowable/handler/TaskTimeoutJobHandler.java
index 7685423fc..61c938864 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/flowable/handler/TaskTimeoutJobHandler.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/flowable/handler/TaskTimeoutJobHandler.java
@@ -8,7 +8,6 @@ import org.flowable.engine.impl.util.CommandContextUtil;
 import org.flowable.job.service.JobHandler;
 import org.flowable.job.service.impl.persistence.entity.JobEntity;
 import org.flowable.task.api.Task;
-import org.flowable.task.api.TaskQuery;
 import org.flowable.variable.api.delegate.VariableScope;
 
 /**
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/listener/TestLeaveExecutionListener.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/listener/TestLeaveExecutionListener.java
index 11f844e4a..f159d815d 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/listener/TestLeaveExecutionListener.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/listener/TestLeaveExecutionListener.java
@@ -3,7 +3,6 @@ package org.dromara.workflow.listener;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.dromara.workflow.utils.QueryUtils;
-import org.flowable.engine.TaskService;
 import org.flowable.engine.delegate.DelegateExecution;
 import org.flowable.engine.delegate.ExecutionListener;
 import org.flowable.task.api.Task;
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/ITestLeaveService.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/ITestLeaveService.java
index 5c95547a5..943c919ae 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/ITestLeaveService.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/ITestLeaveService.java
@@ -2,7 +2,6 @@ package org.dromara.workflow.service;
 
 import org.dromara.common.mybatis.core.page.PageQuery;
 import org.dromara.common.mybatis.core.page.TableDataInfo;
-import org.dromara.workflow.domain.TestLeave;
 import org.dromara.workflow.domain.bo.TestLeaveBo;
 import org.dromara.workflow.domain.vo.TestLeaveVo;