diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysRoleController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysRoleController.java
index 5768806c2..00a8a008b 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysRoleController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysRoleController.java
@@ -112,7 +112,7 @@ public class SysRoleController extends BaseController {
             // 更新缓存用户权限
             LoginUser loginUser = getLoginUser();
             SysUser sysUser = userService.selectUserById(loginUser.getUserId());
-            if (ObjectUtil.isNotNull(sysUser) && !sysUser.isAdmin()) {
+            if (ObjectUtil.isNotNull(sysUser) && !LoginHelper.isAdmin()) {
                 loginUser.setMenuPermission(permissionService.getMenuPermission(sysUser));
                 LoginHelper.setLoginUser(loginUser);
             }
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/helper/LoginHelper.java b/ruoyi-common/src/main/java/com/ruoyi/common/helper/LoginHelper.java
index 05e370b5d..cee0e93ae 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/helper/LoginHelper.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/helper/LoginHelper.java
@@ -2,7 +2,6 @@ package com.ruoyi.common.helper;
 
 import cn.dev33.satoken.context.SaHolder;
 import cn.dev33.satoken.stp.StpUtil;
-import cn.hutool.core.util.ArrayUtil;
 import cn.hutool.core.util.ObjectUtil;
 import com.ruoyi.common.constant.UserConstants;
 import com.ruoyi.common.core.domain.model.LoginUser;
@@ -15,11 +14,11 @@ import lombok.NoArgsConstructor;
 
 /**
  * 登录鉴权助手
- *
+ * <p>
  * user_type 为 用户类型 同一个用户表 可以有多种用户类型 例如 pc,app
  * deivce 为 设备类型 同一个用户类型 可以有 多种设备类型 例如 web,ios
  * 可以组成 用户类型与设备类型多对多的 权限灵活控制
- *
+ * <p>
  * 多用户体系 针对 多种用户类型 但权限控制不一致
  * 可以组成 多用户类型表与多设备类型 分别控制权限
  *
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/SysPermissionService.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/SysPermissionService.java
index 97ff4801a..79d6e2522 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/SysPermissionService.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/SysPermissionService.java
@@ -1,5 +1,6 @@
 package com.ruoyi.system.service;
 
+import cn.hutool.core.collection.CollUtil;
 import com.ruoyi.common.core.domain.entity.SysRole;
 import com.ruoyi.common.core.domain.entity.SysUser;
 import lombok.RequiredArgsConstructor;
@@ -28,7 +29,7 @@ public class SysPermissionService {
      * @return 角色权限信息
      */
     public Set<String> getRolePermission(SysUser user) {
-        Set<String> roles = new HashSet<String>();
+        Set<String> roles = new HashSet<>();
         // 管理员拥有所有权限
         if (user.isAdmin()) {
             roles.add("admin");
@@ -45,13 +46,13 @@ public class SysPermissionService {
      * @return 菜单权限信息
      */
     public Set<String> getMenuPermission(SysUser user) {
-        Set<String> perms = new HashSet<String>();
+        Set<String> perms = new HashSet<>();
         // 管理员拥有所有权限
         if (user.isAdmin()) {
             perms.add("*:*:*");
         } else {
             List<SysRole> roles = user.getRoles();
-            if (!roles.isEmpty() && roles.size() > 1) {
+            if (CollUtil.isNotEmpty(roles)) {
                 // 多角色设置permissions属性，以便数据权限匹配权限
                 for (SysRole role : roles) {
                     Set<String> rolePerms = menuService.selectMenuPermsByRoleId(role.getRoleId());
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java
index c39ec74df..c77612e72 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java
@@ -205,9 +205,9 @@ public class SysConfigServiceImpl implements ISysConfigService, ConfigService {
      */
     @Override
     public String checkConfigKeyUnique(SysConfig config) {
-        Long configId = ObjectUtil.isNull(config.getConfigId()) ? -1L : config.getConfigId();
+        long configId = ObjectUtil.isNull(config.getConfigId()) ? -1L : config.getConfigId();
         SysConfig info = baseMapper.selectOne(new LambdaQueryWrapper<SysConfig>().eq(SysConfig::getConfigKey, config.getConfigKey()));
-        if (ObjectUtil.isNotNull(info) && info.getConfigId().longValue() != configId.longValue()) {
+        if (ObjectUtil.isNotNull(info) && info.getConfigId() != configId) {
             return UserConstants.NOT_UNIQUE;
         }
         return UserConstants.UNIQUE;
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
index 00b402467..afb7a3155 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
@@ -259,7 +259,7 @@ public class SysDeptServiceImpl implements ISysDeptService {
             dept.setAncestors(child.getAncestors().replaceFirst(oldAncestors, newAncestors));
             list.add(dept);
         }
-        if (list.size() > 0) {
+        if (CollUtil.isNotEmpty(list)) {
             baseMapper.updateBatchById(list);
         }
     }
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
index 4d3406757..4056d5670 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
@@ -153,7 +153,7 @@ public class SysMenuServiceImpl implements ISysMenuService {
      */
     @Override
     public List<RouterVo> buildMenus(List<SysMenu> menus) {
-        List<RouterVo> routers = new LinkedList<RouterVo>();
+        List<RouterVo> routers = new LinkedList<>();
         for (SysMenu menu : menus) {
             RouterVo router = new RouterVo();
             router.setHidden("1".equals(menu.getVisible()));
@@ -169,7 +169,7 @@ public class SysMenuServiceImpl implements ISysMenuService {
                 router.setChildren(buildMenus(cMenus));
             } else if (isMenuFrame(menu)) {
                 router.setMeta(null);
-                List<RouterVo> childrenList = new ArrayList<RouterVo>();
+                List<RouterVo> childrenList = new ArrayList<>();
                 RouterVo children = new RouterVo();
                 children.setPath(menu.getPath());
                 children.setComponent(menu.getComponent());
@@ -181,7 +181,7 @@ public class SysMenuServiceImpl implements ISysMenuService {
             } else if (menu.getParentId().intValue() == 0 && isInnerLink(menu)) {
                 router.setMeta(new MetaVo(menu.getMenuName(), menu.getIcon()));
                 router.setPath("/");
-                List<RouterVo> childrenList = new ArrayList<RouterVo>();
+                List<RouterVo> childrenList = new ArrayList<>();
                 RouterVo children = new RouterVo();
                 String routerPath = innerLinkReplaceEach(menu.getPath());
                 children.setPath(routerPath);
@@ -394,7 +394,7 @@ public class SysMenuServiceImpl implements ISysMenuService {
      * @return String
      */
     public List<SysMenu> getChildPerms(List<SysMenu> list, int parentId) {
-        List<SysMenu> returnList = new ArrayList<SysMenu>();
+        List<SysMenu> returnList = new ArrayList<>();
         for (SysMenu t : list) {
             // 一、根据传入的某个父节点ID,遍历该父节点的所有子节点
             if (t.getParentId() == parentId) {
@@ -433,7 +433,7 @@ public class SysMenuServiceImpl implements ISysMenuService {
      * 判断是否有子节点
      */
     private boolean hasChild(List<SysMenu> list, SysMenu t) {
-        return getChildList(list, t).size() > 0;
+        return CollUtil.isNotEmpty(getChildList(list, t));
     }
 
     /**
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysRoleServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysRoleServiceImpl.java
index e7e5b53c5..9e85bee57 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysRoleServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysRoleServiceImpl.java
@@ -14,6 +14,7 @@ import com.ruoyi.common.core.domain.entity.SysRole;
 import com.ruoyi.common.core.page.TableDataInfo;
 import com.ruoyi.common.exception.ServiceException;
 import com.ruoyi.common.helper.LoginHelper;
+import com.ruoyi.common.utils.StreamUtils;
 import com.ruoyi.system.domain.SysRoleDept;
 import com.ruoyi.system.domain.SysRoleMenu;
 import com.ruoyi.system.domain.SysUserRole;
@@ -397,14 +398,13 @@ public class SysRoleServiceImpl implements ISysRoleService {
     public int insertAuthUsers(Long roleId, Long[] userIds) {
         // 新增用户与角色管理
         int rows = 1;
-        List<SysUserRole> list = new ArrayList<SysUserRole>();
-        for (Long userId : userIds) {
+        List<SysUserRole> list = StreamUtils.toList(Arrays.asList(userIds), userId -> {
             SysUserRole ur = new SysUserRole();
             ur.setUserId(userId);
             ur.setRoleId(roleId);
-            list.add(ur);
-        }
-        if (list.size() > 0) {
+            return ur;
+        });
+        if (CollUtil.isNotEmpty(list)) {
             rows = userRoleMapper.insertBatch(list) ? list.size() : 0;
         }
         return rows;
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java
index 4e63f17ea..862d029d3 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java
@@ -30,7 +30,6 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
@@ -211,7 +210,6 @@ public class SysUserServiceImpl implements ISysUserService {
      * 校验手机号码是否唯一
      *
      * @param user 用户信息
-     * @return
      */
     @Override
     public String checkPhoneUnique(SysUser user) {
@@ -228,7 +226,6 @@ public class SysUserServiceImpl implements ISysUserService {
      * 校验email是否唯一
      *
      * @param user 用户信息
-     * @return
      */
     @Override
     public String checkEmailUnique(SysUser user) {
@@ -417,13 +414,12 @@ public class SysUserServiceImpl implements ISysUserService {
         Long[] posts = user.getPostIds();
         if (ArrayUtil.isNotEmpty(posts)) {
             // 新增用户与岗位管理
-            List<SysUserPost> list = new ArrayList<>(posts.length);
-            for (Long postId : posts) {
+            List<SysUserPost> list = StreamUtils.toList(Arrays.asList(posts), postId -> {
                 SysUserPost up = new SysUserPost();
                 up.setUserId(user.getUserId());
                 up.setPostId(postId);
-                list.add(up);
-            }
+                return up;
+            });
             userPostMapper.insertBatch(list);
         }
     }
@@ -437,13 +433,12 @@ public class SysUserServiceImpl implements ISysUserService {
     public void insertUserRole(Long userId, Long[] roleIds) {
         if (ArrayUtil.isNotEmpty(roleIds)) {
             // 新增用户与角色管理
-            List<SysUserRole> list = new ArrayList<>(roleIds.length);
-            for (Long roleId : roleIds) {
+            List<SysUserRole> list = StreamUtils.toList(Arrays.asList(roleIds), roleId -> {
                 SysUserRole ur = new SysUserRole();
                 ur.setUserId(userId);
                 ur.setRoleId(roleId);
-                list.add(ur);
-            }
+                return ur;
+            });
             userRoleMapper.insertBatch(list);
         }
     }
diff --git a/ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml
index dacdcd8a6..06a653efe 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml
@@ -86,17 +86,17 @@
 
     <select id="selectPageUserList" resultMap="SysUserResult">
         select u.user_id, u.dept_id, u.nick_name, u.user_name, u.email, u.avatar, u.phonenumber, u.sex,
-        u.status, u.del_flag, u.login_ip, u.login_date, u.create_by, u.create_time, u.remark, d.dept_name, d.leader from
-        sys_user u
-        left join sys_dept d on u.dept_id = d.dept_id
+            u.status, u.del_flag, u.login_ip, u.login_date, u.create_by, u.create_time, u.remark, d.dept_name, d.leader
+        from sys_user u
+            left join sys_dept d on u.dept_id = d.dept_id
         ${ew.getCustomSqlSegment}
     </select>
 
     <select id="selectUserList" resultMap="SysUserResult">
         select u.user_id, u.dept_id, u.nick_name, u.user_name, u.email, u.avatar, u.phonenumber, u.sex,
-        u.status, u.del_flag, u.login_ip, u.login_date, u.create_by, u.create_time, u.remark, d.dept_name, d.leader from
-        sys_user u
-        left join sys_dept d on u.dept_id = d.dept_id
+            u.status, u.del_flag, u.login_ip, u.login_date, u.create_by, u.create_time, u.remark, d.dept_name, d.leader
+        from sys_user u
+            left join sys_dept d on u.dept_id = d.dept_id
         ${ew.getCustomSqlSegment}
     </select>