diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/definition/vo/model/simple/BpmSimpleModelNodeVO.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/definition/vo/model/simple/BpmSimpleModelNodeVO.java
index aab93ed1b..f226ce2c3 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/definition/vo/model/simple/BpmSimpleModelNodeVO.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/definition/vo/model/simple/BpmSimpleModelNodeVO.java
@@ -2,6 +2,7 @@ package cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.model.simple;
 
 import cn.iocoder.yudao.framework.common.validation.InEnum;
 import cn.iocoder.yudao.module.bpm.enums.definition.BpmSimpleModelNodeType;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.NotEmpty;
@@ -46,6 +47,7 @@ public class BpmSimpleModelNodeVO {
      * 附加节点 Id, 该节点不从前端传入。 由程序生成. 由于当个节点无法完成功能。 需要附加节点来完成。
      * 例如： 会签时需要按拒绝人数来终止流程。 需要 userTask + ServiceTask 两个节点配合完成。 serviceTask 由后端生成。
      */
+    @JsonIgnore
     private String attachNodeId;
     // Map<String, Integer> formPermissions; 表单权限；仅发起、审批、抄送节点会使用
     // Integer approveMethod; 审批方式；仅审批节点会使用
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmSimpleNodeService.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/custom/delegate/CopyUserDelegate.java
similarity index 71%
rename from yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmSimpleNodeService.java
rename to yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/custom/delegate/CopyUserDelegate.java
index b0233e03e..69e983507 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmSimpleNodeService.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/custom/delegate/CopyUserDelegate.java
@@ -1,38 +1,35 @@
-package cn.iocoder.yudao.module.bpm.service.task;
+package cn.iocoder.yudao.module.bpm.framework.flowable.core.custom.delegate;
 
 import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.BpmTaskCandidateInvoker;
+import cn.iocoder.yudao.module.bpm.service.task.BpmProcessInstanceCopyService;
 import jakarta.annotation.Resource;
 import org.flowable.bpmn.model.FlowElement;
 import org.flowable.engine.delegate.DelegateExecution;
+import org.flowable.engine.delegate.JavaDelegate;
 import org.springframework.stereotype.Service;
 
 import java.util.Set;
 
 /**
- * 仿钉钉快搭各个节点 Service
+ * 处理抄送用户的代理
  *
  * @author jason
  */
 @Service
-public class BpmSimpleNodeService {
+public class CopyUserDelegate implements JavaDelegate  {
 
     @Resource
     private BpmTaskCandidateInvoker taskCandidateInvoker;
     @Resource
     private BpmProcessInstanceCopyService processInstanceCopyService;
 
-    /**
-     * 仿钉钉快搭抄送
-     *
-     * @param execution 执行的任务(ScriptTask)
-     */
-    public Boolean copy(DelegateExecution execution) {
+    @Override
+    public void execute(DelegateExecution execution) {
         // TODO @芋艿：可能要考虑，系统抄送，没有 taskId 的情况。
         Set<Long> userIds = taskCandidateInvoker.calculateUsers(execution);
         FlowElement currentFlowElement = execution.getCurrentFlowElement();
         processInstanceCopyService.createProcessInstanceCopy(userIds, execution.getProcessInstanceId(),
                 currentFlowElement.getId(), currentFlowElement.getName());
-        return Boolean.TRUE;
     }
 
 }
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/expression/MultiInstanceServiceTaskExpression.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/custom/delegate/MultiInstanceServiceTaskDelegate.java
similarity index 88%
rename from yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/expression/MultiInstanceServiceTaskExpression.java
rename to yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/custom/delegate/MultiInstanceServiceTaskDelegate.java
index 5d2fc5522..958c0b14e 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/expression/MultiInstanceServiceTaskExpression.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/custom/delegate/MultiInstanceServiceTaskDelegate.java
@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.bpm.framework.flowable.core.expression;
+package cn.iocoder.yudao.module.bpm.framework.flowable.core.custom.delegate;
 
 import cn.hutool.core.lang.Assert;
 import cn.hutool.core.util.BooleanUtil;
@@ -12,12 +12,12 @@ import org.flowable.engine.delegate.JavaDelegate;
 import org.springframework.stereotype.Component;
 
 /**
- * 处理会签 Service Task 代理表达式
+ * 处理会签 Service Task 代理
  *
  * @author jason
  */
 @Component
-public class MultiInstanceServiceTaskExpression implements JavaDelegate {
+public class MultiInstanceServiceTaskDelegate implements JavaDelegate {
 
     @Resource
     private BpmProcessInstanceService processInstanceService;
@@ -35,4 +35,5 @@ public class MultiInstanceServiceTaskExpression implements JavaDelegate {
                     BpmCommentTypeEnum.REJECT.formatComment("会签任务拒绝人数满足条件"));
         }
     }
+
 }
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/expression/CompleteByRejectCountExpression.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/custom/expression/CompleteByRejectCountExpression.java
similarity index 98%
rename from yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/expression/CompleteByRejectCountExpression.java
rename to yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/custom/expression/CompleteByRejectCountExpression.java
index 027a950a1..7208c96b7 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/expression/CompleteByRejectCountExpression.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/custom/expression/CompleteByRejectCountExpression.java
@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.bpm.framework.flowable.core.expression;
+package cn.iocoder.yudao.module.bpm.framework.flowable.core.custom.expression;
 
 import cn.hutool.core.lang.Assert;
 import cn.iocoder.yudao.framework.common.exception.enums.GlobalErrorCodeConstants;
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/util/SimpleModelUtils.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/util/SimpleModelUtils.java
index a28eca0fa..88ca59d5f 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/util/SimpleModelUtils.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/util/SimpleModelUtils.java
@@ -44,8 +44,6 @@ public class SimpleModelUtils {
      */
     public static final String JOIN_GATE_WAY_NODE_ID_SUFFIX = "_join";
 
-    public static final String BPMN_SIMPLE_COPY_EXECUTION_SCRIPT = "#{bpmSimpleNodeService.copy(execution)}";
-
     /**
      * 所有审批人同意的表达式
      */
@@ -371,7 +369,7 @@ public class SimpleModelUtils {
         serviceTask.setId(id);
         serviceTask.setName("会签服务任务");
         serviceTask.setImplementationType(ImplementationType.IMPLEMENTATION_TYPE_DELEGATEEXPRESSION);
-        serviceTask.setImplementation("${multiInstanceServiceTaskExpression}");
+        serviceTask.setImplementation("${multiInstanceServiceTaskDelegate}");
         serviceTask.setAsynchronous(false);
         addExtensionElement(serviceTask, SERVICE_TASK_ATTACH_USER_TASK_ID, node.getId());
         node.setAttachNodeId(id);
@@ -417,9 +415,8 @@ public class SimpleModelUtils {
         ServiceTask serviceTask = new ServiceTask();
         serviceTask.setId(node.getId());
         serviceTask.setName(node.getName());
-        // TODO @jason：建议用 delegateExpression；原因是，直接走 bpmSimpleNodeService.copy(execution) 的话，万一后续抄送改实现，可能比较麻烦。最好是搞个独立的 bean，然后它去调用抄 bpmSimpleNodeService；
-        serviceTask.setImplementationType(ImplementationType.IMPLEMENTATION_TYPE_EXPRESSION);
-        serviceTask.setImplementation(BPMN_SIMPLE_COPY_EXECUTION_SCRIPT);
+        serviceTask.setImplementationType(ImplementationType.IMPLEMENTATION_TYPE_DELEGATEEXPRESSION);
+        serviceTask.setImplementation("${copyUserDelegate}");
 
         // 添加抄送候选人元素
         addCandidateElements(MapUtil.getInt(node.getAttributes(), BpmnModelConstants.USER_TASK_CANDIDATE_STRATEGY),
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceCopyServiceImpl.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceCopyServiceImpl.java
index e4d66f8c4..940327cb5 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceCopyServiceImpl.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceCopyServiceImpl.java
@@ -47,7 +47,7 @@ public class BpmProcessInstanceCopyServiceImpl implements BpmProcessInstanceCopy
     // TODO @芋艿：这里多加了一个 name；
     @Override
     public void createProcessInstanceCopy(Collection<Long> userIds, String processInstanceId, String taskId, String taskName) {
-        // 1.1 校验任务存在 暂时去掉这个校验. 因为任务可能仿钉钉快搭的抄送节点(ScriptTask) TODO jason：抄送节点，会没有来源的 taskId 么？ @芋艿 是否校验一下 传递进来的 id 不为空就行
+        // 1.1 校验任务存在 暂时去掉这个校验. 因为任务可能仿钉钉快搭的抄送节点(UserTask) TODO jason：抄送节点，会没有来源的 taskId 么？ @芋艿 是否校验一下 传递进来的 id 不为空就行
 //        Task task = taskService.getTask(taskId);
 //        if (ObjectUtil.isNull(task)) {
 //            throw exception(ErrorCodeConstants.TASK_NOT_EXISTS);