diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/DeptService.java b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/DeptService.java
index f93d1778a..725718ae8 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/DeptService.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/DeptService.java
@@ -3,6 +3,7 @@ package org.dromara.common.core.service;
 import org.dromara.common.core.domain.dto.DeptDTO;
 
 import java.util.List;
+import java.util.Map;
 
 /**
  * 通用 部门服务
@@ -34,4 +35,12 @@ public interface DeptService {
      */
     List<DeptDTO> selectDeptsByList();
 
+    /**
+     * 根据部门 ID 列表查询部门名称映射关系
+     *
+     * @param deptIds 部门 ID 列表
+     * @return Map，其中 key 为部门 ID，value 为对应的部门名称
+     */
+    Map<Long, String> selectDeptNamesByIds(List<Long> deptIds);
+
 }
diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/PostService.java b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/PostService.java
index 41d4e8308..58c68d676 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/PostService.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/PostService.java
@@ -1,5 +1,8 @@
 package org.dromara.common.core.service;
 
+import java.util.List;
+import java.util.Map;
+
 /**
  * 通用 岗位服务
  *
@@ -7,4 +10,12 @@ package org.dromara.common.core.service;
  */
 public interface PostService {
 
+    /**
+     * 根据岗位 ID 列表查询岗位名称映射关系
+     *
+     * @param postIds 岗位 ID 列表
+     * @return Map，其中 key 为岗位 ID，value 为对应的岗位名称
+     */
+    Map<Long, String> selectPostNamesByIds(List<Long> postIds);
+
 }
diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/RoleService.java b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/RoleService.java
index ba62c82ae..d2805b7e0 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/RoleService.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/RoleService.java
@@ -1,5 +1,8 @@
 package org.dromara.common.core.service;
 
+import java.util.List;
+import java.util.Map;
+
 /**
  * 通用 角色服务
  *
@@ -7,4 +10,12 @@ package org.dromara.common.core.service;
  */
 public interface RoleService {
 
+    /**
+     * 根据角色 ID 列表查询角色名称映射关系
+     *
+     * @param roleIds 角色 ID 列表
+     * @return Map，其中 key 为角色 ID，value 为对应的角色名称
+     */
+    Map<Long, String> selectRoleNamesByIds(List<Long> roleIds);
+
 }
diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/UserService.java b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/UserService.java
index 4903c3860..eefeef011 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/UserService.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/UserService.java
@@ -100,28 +100,4 @@ public interface UserService {
      */
     Map<Long, String> selectUserNamesByIds(List<Long> userIds);
 
-    /**
-     * 根据角色 ID 列表查询角色名称映射关系
-     *
-     * @param roleIds 角色 ID 列表
-     * @return Map，其中 key 为角色 ID，value 为对应的角色名称
-     */
-    Map<Long, String> selectRoleNamesByIds(List<Long> roleIds);
-
-    /**
-     * 根据部门 ID 列表查询部门名称映射关系
-     *
-     * @param deptIds 部门 ID 列表
-     * @return Map，其中 key 为部门 ID，value 为对应的部门名称
-     */
-    Map<Long, String> selectDeptNamesByIds(List<Long> deptIds);
-
-    /**
-     * 根据岗位 ID 列表查询岗位名称映射关系
-     *
-     * @param postIds 岗位 ID 列表
-     * @return Map，其中 key 为岗位 ID，value 为对应的岗位名称
-     */
-    Map<Long, String> selectPostNamesByIds(List<Long> postIds);
-
 }
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysPostController.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysPostController.java
index 5333a4aef..387b1c6f3 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysPostController.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysPostController.java
@@ -19,6 +19,7 @@ import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 /**
@@ -107,7 +108,7 @@ public class SysPostController extends BaseController {
     @Log(title = "岗位管理", businessType = BusinessType.DELETE)
     @DeleteMapping("/{postIds}")
     public R<Void> remove(@PathVariable Long[] postIds) {
-        return toAjax(postService.deletePostByIds(postIds));
+        return toAjax(postService.deletePostByIds(Arrays.asList(postIds)));
     }
 
     /**
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysDeptMapper.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysDeptMapper.java
index e29942058..15096f8a8 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysDeptMapper.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysDeptMapper.java
@@ -4,6 +4,7 @@ import com.baomidou.mybatisplus.core.conditions.Wrapper;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import org.apache.ibatis.annotations.Param;
+import org.dromara.common.core.utils.StreamUtils;
 import org.dromara.common.mybatis.annotation.DataColumn;
 import org.dromara.common.mybatis.annotation.DataPermission;
 import org.dromara.common.mybatis.core.mapper.BaseMapperPlus;
@@ -72,6 +73,19 @@ public interface SysDeptMapper extends BaseMapperPlus<SysDept, SysDeptVo> {
             .apply(DataBaseHelper.findInSet(parentId, "ancestors")));
     }
 
+    /**
+     * 查询某个部门及其所有子部门ID（含自身）
+     *
+     * @param parentId 父部门ID
+     * @return 部门ID集合
+     */
+    default List<Long> selectDeptAndChildById(Long parentId) {
+        List<SysDept> deptList = this.selectListByParentId(parentId);
+        List<Long> deptIds = StreamUtils.toList(deptList, SysDept::getDeptId);
+        deptIds.add(parentId);
+        return deptIds;
+    }
+
     /**
      * 根据角色ID查询部门树信息
      *
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysPostService.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysPostService.java
index a760d497e..511d842ee 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysPostService.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysPostService.java
@@ -110,7 +110,7 @@ public interface ISysPostService {
      * @param postIds 需要删除的岗位ID
      * @return 结果
      */
-    int deletePostByIds(Long[] postIds);
+    int deletePostByIds(List<Long> postIds);
 
     /**
      * 新增保存岗位信息
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDataScopeServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDataScopeServiceImpl.java
index 12a507203..e30080212 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDataScopeServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDataScopeServiceImpl.java
@@ -7,7 +7,6 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import lombok.RequiredArgsConstructor;
 import org.dromara.common.core.constant.CacheNames;
 import org.dromara.common.core.utils.StreamUtils;
-import org.dromara.system.domain.SysDept;
 import org.dromara.system.domain.SysRoleDept;
 import org.dromara.system.mapper.SysDeptMapper;
 import org.dromara.system.mapper.SysRoleDeptMapper;
@@ -66,13 +65,8 @@ public class SysDataScopeServiceImpl implements ISysDataScopeService {
         if (ObjectUtil.isNull(deptId)) {
             return "-1";
         }
-        List<SysDept> deptList = deptMapper.selectListByParentId(deptId);
-        List<Long> ids = StreamUtils.toList(deptList, SysDept::getDeptId);
-        ids.add(deptId);
-        if (CollUtil.isNotEmpty(ids)) {
-            return StreamUtils.join(ids, Convert::toStr);
-        }
-        return "-1";
+        List<Long> deptIds = deptMapper.selectDeptAndChildById(deptId);
+        return CollUtil.isNotEmpty(deptIds) ? StreamUtils.join(deptIds, Convert::toStr) : "-1";
     }
 
 }
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
index fde4b875b..7e4e24210 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
@@ -36,10 +36,7 @@ import org.springframework.cache.annotation.Caching;
 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;
+import java.util.*;
 
 /**
  * 部门管理 服务实现
@@ -110,10 +107,7 @@ public class SysDeptServiceImpl implements ISysDeptService, DeptService {
         if (ObjectUtil.isNotNull(bo.getBelongDeptId())) {
             //部门树搜索
             lqw.and(x -> {
-                Long parentId = bo.getBelongDeptId();
-                List<SysDept> deptList = baseMapper.selectListByParentId(parentId);
-                List<Long> deptIds = StreamUtils.toList(deptList, SysDept::getDeptId);
-                deptIds.add(parentId);
+                List<Long> deptIds = baseMapper.selectDeptAndChildById(bo.getBelongDeptId());
                 x.in(SysDept::getDeptId, deptIds);
             });
         }
@@ -409,4 +403,24 @@ public class SysDeptServiceImpl implements ISysDeptService, DeptService {
         return baseMapper.deleteById(deptId);
     }
 
+
+    /**
+     * 根据部门 ID 列表查询部门名称映射关系
+     *
+     * @param deptIds 部门 ID 列表
+     * @return Map，其中 key 为部门 ID，value 为对应的部门名称
+     */
+    @Override
+    public Map<Long, String> selectDeptNamesByIds(List<Long> deptIds) {
+        if (CollUtil.isEmpty(deptIds)) {
+            return Collections.emptyMap();
+        }
+        List<SysDept> list = baseMapper.selectList(
+            new LambdaQueryWrapper<SysDept>()
+                .select(SysDept::getDeptId, SysDept::getDeptName)
+                .in(SysDept::getDeptId, deptIds)
+        );
+        return StreamUtils.toMap(list, SysDept::getDeptId, SysDept::getDeptName);
+    }
+
 }
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysPostServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysPostServiceImpl.java
index 122492e0c..ad1055ac0 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysPostServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysPostServiceImpl.java
@@ -14,7 +14,6 @@ import org.dromara.common.core.utils.StreamUtils;
 import org.dromara.common.core.utils.StringUtils;
 import org.dromara.common.mybatis.core.page.PageQuery;
 import org.dromara.common.mybatis.core.page.TableDataInfo;
-import org.dromara.system.domain.SysDept;
 import org.dromara.system.domain.SysPost;
 import org.dromara.system.domain.SysUserPost;
 import org.dromara.system.domain.bo.SysPostBo;
@@ -25,7 +24,7 @@ import org.dromara.system.mapper.SysUserPostMapper;
 import org.dromara.system.service.ISysPostService;
 import org.springframework.stereotype.Service;
 
-import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
@@ -92,9 +91,7 @@ public class SysPostServiceImpl implements ISysPostService, PostService {
         } else if (ObjectUtil.isNotNull(bo.getBelongDeptId())) {
             //部门树搜索
             wrapper.and(x -> {
-                List<SysDept> deptList = deptMapper.selectListByParentId(bo.getBelongDeptId());
-                List<Long> deptIds = StreamUtils.toList(deptList, SysDept::getDeptId);
-                deptIds.add(bo.getBelongDeptId());
+                List<Long> deptIds = deptMapper.selectDeptAndChildById(bo.getBelongDeptId());
                 x.in(SysPost::getDeptId, deptIds);
             });
         }
@@ -217,14 +214,14 @@ public class SysPostServiceImpl implements ISysPostService, PostService {
      * @return 结果
      */
     @Override
-    public int deletePostByIds(Long[] postIds) {
-        for (Long postId : postIds) {
-            SysPost post = baseMapper.selectById(postId);
-            if (countUserPostById(postId) > 0) {
+    public int deletePostByIds(List<Long> postIds) {
+        List<SysPost> list = baseMapper.selectByIds(postIds);
+        for (SysPost post : list) {
+            if (this.countUserPostById(post.getPostId()) > 0) {
                 throw new ServiceException(String.format("%1$s已分配，不能删除!", post.getPostName()));
             }
         }
-        return baseMapper.deleteByIds(Arrays.asList(postIds));
+        return baseMapper.deleteByIds(postIds);
     }
 
     /**
@@ -251,4 +248,23 @@ public class SysPostServiceImpl implements ISysPostService, PostService {
         return baseMapper.updateById(post);
     }
 
+    /**
+     * 根据岗位 ID 列表查询岗位名称映射关系
+     *
+     * @param postIds 岗位 ID 列表
+     * @return Map，其中 key 为岗位 ID，value 为对应的岗位名称
+     */
+    @Override
+    public Map<Long, String> selectPostNamesByIds(List<Long> postIds) {
+        if (CollUtil.isEmpty(postIds)) {
+            return Collections.emptyMap();
+        }
+        List<SysPost> list = baseMapper.selectList(
+            new LambdaQueryWrapper<SysPost>()
+                .select(SysPost::getPostId, SysPost::getPostName)
+                .in(SysPost::getPostId, postIds)
+        );
+        return StreamUtils.toMap(list, SysPost::getPostId, SysPost::getPostName);
+    }
+
 }
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 0a2e485f6..f6d106854 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
@@ -549,4 +549,23 @@ public class SysRoleServiceImpl implements ISysRoleService, RoleService {
         });
     }
 
+    /**
+     * 根据角色 ID 列表查询角色名称映射关系
+     *
+     * @param roleIds 角色 ID 列表
+     * @return Map，其中 key 为角色 ID，value 为对应的角色名称
+     */
+    @Override
+    public Map<Long, String> selectRoleNamesByIds(List<Long> roleIds) {
+        if (CollUtil.isEmpty(roleIds)) {
+            return Collections.emptyMap();
+        }
+        List<SysRole> list = baseMapper.selectList(
+            new LambdaQueryWrapper<SysRole>()
+                .select(SysRole::getRoleId, SysRole::getRoleName)
+                .in(SysRole::getRoleId, roleIds)
+        );
+        return StreamUtils.toMap(list, SysRole::getRoleId, SysRole::getRoleName);
+    }
+
 }
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java
index d673a2159..70197a36c 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java
@@ -22,7 +22,10 @@ import org.dromara.common.core.utils.*;
 import org.dromara.common.mybatis.core.page.PageQuery;
 import org.dromara.common.mybatis.core.page.TableDataInfo;
 import org.dromara.common.satoken.utils.LoginHelper;
-import org.dromara.system.domain.*;
+import org.dromara.system.domain.SysRole;
+import org.dromara.system.domain.SysUser;
+import org.dromara.system.domain.SysUserPost;
+import org.dromara.system.domain.SysUserRole;
 import org.dromara.system.domain.bo.SysUserBo;
 import org.dromara.system.domain.vo.SysPostVo;
 import org.dromara.system.domain.vo.SysRoleVo;
@@ -36,7 +39,6 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.util.*;
-import java.util.stream.Collectors;
 
 /**
  * 用户 业务层处理
@@ -79,10 +81,8 @@ public class SysUserServiceImpl implements ISysUserService, UserService {
             .between(params.get("beginTime") != null && params.get("endTime") != null,
                 "u.create_time", params.get("beginTime"), params.get("endTime"))
             .and(ObjectUtil.isNotNull(user.getDeptId()), w -> {
-                List<SysDept> deptList = deptMapper.selectListByParentId(user.getDeptId());
-                List<Long> ids = StreamUtils.toList(deptList, SysDept::getDeptId);
-                ids.add(user.getDeptId());
-                w.in("u.dept_id", ids);
+                List<Long> deptIds = deptMapper.selectDeptAndChildById(user.getDeptId());
+                w.in("u.dept_id", deptIds);
             }).orderByAsc("u.user_id");
         return baseMapper.selectUserExportList(wrapper);
     }
@@ -100,9 +100,7 @@ public class SysUserServiceImpl implements ISysUserService, UserService {
             .between(params.get("beginTime") != null && params.get("endTime") != null,
                 SysUser::getCreateTime, params.get("beginTime"), params.get("endTime"))
             .and(ObjectUtil.isNotNull(user.getDeptId()), w -> {
-                List<SysDept> deptList = deptMapper.selectListByParentId(user.getDeptId());
-                List<Long> ids = StreamUtils.toList(deptList, SysDept::getDeptId);
-                ids.add(user.getDeptId());
+                List<Long> ids = deptMapper.selectDeptAndChildById(user.getDeptId());
                 w.in(SysUser::getDeptId, ids);
             }).orderByAsc(SysUser::getUserId);
         if (StringUtils.isNotBlank(user.getExcludeUserIds())) {
@@ -748,69 +746,12 @@ public class SysUserServiceImpl implements ISysUserService, UserService {
         if (CollUtil.isEmpty(userIds)) {
             return Collections.emptyMap();
         }
-        return baseMapper.selectList(
-                new LambdaQueryWrapper<SysUser>()
-                    .select(SysUser::getUserId, SysUser::getNickName)
-                    .in(SysUser::getUserId, userIds)
-            ).stream()
-            .collect(Collectors.toMap(SysUser::getUserId, SysUser::getNickName));
-    }
-
-    /**
-     * 根据角色 ID 列表查询角色名称映射关系
-     *
-     * @param roleIds 角色 ID 列表
-     * @return Map，其中 key 为角色 ID，value 为对应的角色名称
-     */
-    @Override
-    public Map<Long, String> selectRoleNamesByIds(List<Long> roleIds) {
-        if (CollUtil.isEmpty(roleIds)) {
-            return Collections.emptyMap();
-        }
-        return roleMapper.selectList(
-                new LambdaQueryWrapper<SysRole>()
-                    .select(SysRole::getRoleId, SysRole::getRoleName)
-                    .in(SysRole::getRoleId, roleIds)
-            ).stream()
-            .collect(Collectors.toMap(SysRole::getRoleId, SysRole::getRoleName));
-    }
-
-    /**
-     * 根据部门 ID 列表查询部门名称映射关系
-     *
-     * @param deptIds 部门 ID 列表
-     * @return Map，其中 key 为部门 ID，value 为对应的部门名称
-     */
-    @Override
-    public Map<Long, String> selectDeptNamesByIds(List<Long> deptIds) {
-        if (CollUtil.isEmpty(deptIds)) {
-            return Collections.emptyMap();
-        }
-        return deptMapper.selectList(
-                new LambdaQueryWrapper<SysDept>()
-                    .select(SysDept::getDeptId, SysDept::getDeptName)
-                    .in(SysDept::getDeptId, deptIds)
-            ).stream()
-            .collect(Collectors.toMap(SysDept::getDeptId, SysDept::getDeptName));
-    }
-
-    /**
-     * 根据岗位 ID 列表查询岗位名称映射关系
-     *
-     * @param postIds 岗位 ID 列表
-     * @return Map，其中 key 为岗位 ID，value 为对应的岗位名称
-     */
-    @Override
-    public Map<Long, String> selectPostNamesByIds(List<Long> postIds) {
-        if (CollUtil.isEmpty(postIds)) {
-            return Collections.emptyMap();
-        }
-        return postMapper.selectList(
-                new LambdaQueryWrapper<SysPost>()
-                    .select(SysPost::getPostId, SysPost::getPostName)
-                    .in(SysPost::getPostId, postIds)
-            ).stream()
-            .collect(Collectors.toMap(SysPost::getPostId, SysPost::getPostName));
+        List<SysUser> list = baseMapper.selectList(
+            new LambdaQueryWrapper<SysUser>()
+                .select(SysUser::getUserId, SysUser::getNickName)
+                .in(SysUser::getUserId, userIds)
+        );
+        return StreamUtils.toMap(list, SysUser::getUserId, SysUser::getNickName);
     }
 
 }
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwInstanceServiceImpl.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwInstanceServiceImpl.java
index a3e272f7e..953ab8be5 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwInstanceServiceImpl.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwInstanceServiceImpl.java
@@ -49,7 +49,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.util.*;
-import java.util.stream.Collectors;
+import java.util.function.Function;
 
 /**
  * 流程实例 服务层实现
@@ -203,9 +203,11 @@ public class FlwInstanceServiceImpl implements IFlwInstanceService {
             return false;
         }
         // 获取定义信息
-        Map<Long, Definition> definitionMap = defService.getByIds(
-            StreamUtils.toList(instances, Instance::getDefinitionId)
-        ).stream().collect(Collectors.toMap(Definition::getId, definition -> definition));
+        Map<Long, Definition> definitionMap = StreamUtils.toMap(
+            defService.getByIds(StreamUtils.toList(instances, Instance::getDefinitionId)),
+            Definition::getId,
+            Function.identity()
+        );
 
         // 逐一触发删除事件
         instances.forEach(instance -> {
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskAssigneeServiceImpl.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskAssigneeServiceImpl.java
index ceefa8032..ff720a9e4 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskAssigneeServiceImpl.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskAssigneeServiceImpl.java
@@ -12,9 +12,7 @@ import org.dromara.common.core.domain.dto.TaskAssigneeDTO;
 import org.dromara.common.core.domain.dto.UserDTO;
 import org.dromara.common.core.domain.model.TaskAssigneeBody;
 import org.dromara.common.core.enums.FormatsType;
-import org.dromara.common.core.service.DeptService;
-import org.dromara.common.core.service.TaskAssigneeService;
-import org.dromara.common.core.service.UserService;
+import org.dromara.common.core.service.*;
 import org.dromara.common.core.utils.DateUtils;
 import org.dromara.common.core.utils.StringUtils;
 import org.dromara.warm.flow.ui.dto.HandlerFunDto;
@@ -45,6 +43,8 @@ public class FlwTaskAssigneeServiceImpl implements IFlwTaskAssigneeService, Hand
     private final TaskAssigneeService taskAssigneeService;
     private final UserService userService;
     private final DeptService deptService;
+    private final RoleService roleService;
+    private final PostService postService;
 
     /**
      * 获取办理人权限设置列表tabs页签
@@ -216,9 +216,9 @@ public class FlwTaskAssigneeServiceImpl implements IFlwTaskAssigneeService, Hand
     private Map<Long, String> getNamesByType(TaskAssigneeEnum type, List<Long> ids) {
         return switch (type) {
             case USER -> userService.selectUserNamesByIds(ids);
-            case ROLE -> userService.selectRoleNamesByIds(ids);
-            case DEPT -> userService.selectDeptNamesByIds(ids);
-            case POST -> userService.selectPostNamesByIds(ids);
+            case ROLE -> roleService.selectRoleNamesByIds(ids);
+            case DEPT -> deptService.selectDeptNamesByIds(ids);
+            case POST -> postService.selectPostNamesByIds(ids);
         };
     }