diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/common/constant/FlowConstant.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/common/constant/FlowConstant.java
index 1e75643f1..1b10eb8ea 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/common/constant/FlowConstant.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/common/constant/FlowConstant.java
@@ -58,4 +58,9 @@ public interface FlowConstant {
      */
     String FLOW_CATEGORY_NAME = "flow_category_name#30d";
 
+    /**
+     * 默认租户OA申请分类id
+     */
+    Long FLOW_CATEGORY_ID = 100L;
+
 }
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwDefinitionServiceImpl.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwDefinitionServiceImpl.java
index 0af0bbe41..baec223fe 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwDefinitionServiceImpl.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwDefinitionServiceImpl.java
@@ -30,6 +30,8 @@ import org.dromara.warm.flow.orm.mapper.FlowDefinitionMapper;
 import org.dromara.warm.flow.orm.mapper.FlowHisTaskMapper;
 import org.dromara.warm.flow.orm.mapper.FlowNodeMapper;
 import org.dromara.warm.flow.orm.mapper.FlowSkipMapper;
+import org.dromara.workflow.common.constant.FlowConstant;
+import org.dromara.workflow.domain.FlowCategory;
 import org.dromara.workflow.domain.vo.FlowDefinitionVo;
 import org.dromara.workflow.mapper.FlwCategoryMapper;
 import org.dromara.workflow.service.IFlwDefinitionService;
@@ -59,7 +61,6 @@ public class FlwDefinitionServiceImpl implements IFlwDefinitionService {
     private final FlowDefinitionMapper flowDefinitionMapper;
     private final FlowHisTaskMapper flowHisTaskMapper;
     private final FlwCategoryMapper flwCategoryMapper;
-
     private final FlowNodeMapper flowNodeMapper;
     private final FlowSkipMapper flowSkipMapper;
 
@@ -223,6 +224,11 @@ public class FlwDefinitionServiceImpl implements IFlwDefinitionService {
         if (CollUtil.isEmpty(flowDefinitions)) {
             return;
         }
+        FlowCategory flowCategory = flwCategoryMapper.selectOne(new LambdaQueryWrapper<FlowCategory>()
+            .eq(FlowCategory::getTenantId, DEFAULT_TENANT_ID).eq(FlowCategory::getCategoryId, FlowConstant.FLOW_CATEGORY_ID));
+        flowCategory.setCategoryId(null);
+        flowCategory.setTenantId(tenantId);
+        flwCategoryMapper.insert(flowCategory);
         List<Long> defIds = StreamUtils.toList(flowDefinitions, FlowDefinition::getId);
         List<FlowNode> flowNodes = flowNodeMapper.selectList(new LambdaQueryWrapper<FlowNode>().in(FlowNode::getDefinitionId, defIds));
         List<FlowSkip> flowSkips = flowSkipMapper.selectList(new LambdaQueryWrapper<FlowSkip>().in(FlowSkip::getDefinitionId, defIds));
@@ -231,7 +237,7 @@ public class FlwDefinitionServiceImpl implements IFlwDefinitionService {
             flowDefinition.setId(null);
             flowDefinition.setTenantId(tenantId);
             flowDefinition.setIsPublish(0);
-            flowDefinition.setCategory(null);
+            flowDefinition.setCategory(String.valueOf(flowCategory.getCategoryId()));
             int insert = flowDefinitionMapper.insert(flowDefinition);
             if (insert <= 0) {
                 log.info("同步流程定义【{}】失败！", definition.getFlowCode());
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskServiceImpl.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskServiceImpl.java
index 5bfaddf03..935d40997 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskServiceImpl.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskServiceImpl.java
@@ -361,48 +361,20 @@ public class FlwTaskServiceImpl implements IFlwTaskService {
             if (ObjectUtil.isNull(task)) {
                 throw new ServiceException("任务不存在！");
             }
-            List<FlowNode> flowNodes = flowNodeMapper.selectList(new LambdaQueryWrapper<FlowNode>().eq(FlowNode::getDefinitionId, task.getDefinitionId()));
             Instance inst = insService.getById(task.getInstanceId());
             BusinessStatusEnum.checkBackStatus(inst.getFlowStatus());
             Long definitionId = task.getDefinitionId();
             Definition definition = defService.getById(definitionId);
             String applyNodeCode = WorkflowUtils.applyNodeCode(definitionId);
-            List<FlowTaskVo> listRunTask = flwTaskMapper.getListRunTask(new QueryWrapper<FlowTaskBo>().eq("instance_id", task.getInstanceId()));
-            //不是当前节点的待审任务
-            List<FlowTaskVo> taskVos = StreamUtils.filter(listRunTask, e -> !e.getId().equals(taskId));
-            WorkflowUtils.deleteRunTask(StreamUtils.toList(taskVos, FlowTaskVo::getId));
-            if (applyNodeCode.equals(bo.getNodeCode())) {
-                WorkflowUtils.backTask(message, inst.getId(), bo.getNodeCode(), TaskStatusEnum.BACK.getStatus(), TaskStatusEnum.BACK.getStatus());
-            } else {
-                WorkflowUtils.backTask(message, inst.getId(), bo.getNodeCode(), TaskStatusEnum.WAITING.getStatus(), TaskStatusEnum.BACK.getStatus());
-            }
-            //删除记录
-            FlowNode node = flowNodes.stream().filter(e -> e.getNodeCode().equals(task.getNodeCode())).findFirst().orElse(null);
-            if (node.getNodeRatio().compareTo(BigDecimal.ZERO) > 0) {
-                List<FlowHisTask> flowHisTasks = flowHisTaskMapper.selectList(
-                    new LambdaQueryWrapper<FlowHisTask>()
-                        .eq(FlowHisTask::getFlowStatus, BusinessStatusEnum.BACK.getStatus())
-                        .eq(FlowHisTask::getTaskId, taskId)
-                        .ne(FlowHisTask::getApprover, LoginHelper.getUserIdStr())
-                );
-                if (CollUtil.isNotEmpty(flowHisTasks)) {
-                    flowHisTaskMapper.deleteByIds(StreamUtils.toList(flowHisTasks, FlowHisTask::getId));
-                }
-            }
+            FlowParams flowParams = FlowParams.build();
+            flowParams.nodeCode(bo.getNodeCode());
+            flowParams.message(message);
+            flowParams.skipType(SkipType.REJECT.getKey());
+            flowParams.flowStatus(applyNodeCode.equals(bo.getNodeCode()) ? TaskStatusEnum.BACK.getStatus() : TaskStatusEnum.WAITING.getStatus())
+                .hisStatus(TaskStatusEnum.BACK.getStatus());
+            taskService.skip(task.getId(), flowParams);
+
             Instance instance = insService.getById(inst.getId());
-            //判断或节点是否有多个，只保留一个
-            List<FlowTask> currentTaskList = selectByInstId(instance.getId());
-            if (CollUtil.isNotEmpty(currentTaskList)) {
-                List<String> nodeCodes = StreamUtils.toList(currentTaskList, FlowTask::getNodeCode);
-                List<FlowNode> nodeCodeList = StreamUtils.filter(flowNodes, flowNode -> nodeCodes.contains(flowNode.getNodeCode()));
-                for (Node n : nodeCodeList) {
-                    List<FlowTask> flowTasks = currentTaskList.stream().filter(e -> e.getNodeCode().equals(n.getNodeCode()) && n.getNodeRatio().compareTo(BigDecimal.ZERO) == 0).collect(Collectors.toList());
-                    if (flowTasks.size() > 1) {
-                        flowTasks.remove(0);
-                        WorkflowUtils.deleteRunTask(StreamUtils.toList(flowTasks, Task::getId));
-                    }
-                }
-            }
             this.setHandler(instance, task, null);
             // 消息通知
             WorkflowUtils.sendMessage(definition.getFlowName(), instance.getId(), messageType, notice);
@@ -413,11 +385,6 @@ public class FlwTaskServiceImpl implements IFlwTaskService {
         }
     }
 
-    /**
-     * 获取可驳回节点
-     *
-     * @param instanceId 实例id
-     */
     /**
      * 获取可驳回的前置节点
      *
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/utils/WorkflowUtils.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/utils/WorkflowUtils.java
index 8cf9b6c0c..0bf8f429b 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/utils/WorkflowUtils.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/utils/WorkflowUtils.java
@@ -36,6 +36,7 @@ import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 
 /**
@@ -121,7 +122,7 @@ public class WorkflowUtils {
                     switch (messageTypeEnum) {
                         case SYSTEM_MESSAGE:
                             SseMessageDto dto = new SseMessageDto();
-                            dto.setUserIds(StreamUtils.toList(userList, UserDTO::getUserId));
+                            dto.setUserIds(StreamUtils.toList(userList, UserDTO::getUserId).stream().distinct().collect(Collectors.toList()));
                             dto.setMessage(message);
                             SseMessageUtils.publishMessage(dto);
                             break;