diff --git a/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/task/BpmnTaskDelegateAssigner.java b/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/task/BpmnTaskDelegateAssigner.java
index 153ddedb1..6243c4a06 100644
--- a/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/task/BpmnTaskDelegateAssigner.java
+++ b/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/task/BpmnTaskDelegateAssigner.java
@@ -107,6 +107,10 @@ public class BpmnTaskDelegateAssigner implements Serializable {
      * @since 1.3.0 版本起, 使用 ouId + personId 作为审批人唯一标识
      */
     public final String buildAssigneeId() {
+        if (Objects.equals(personId, "system")) {
+            // 特殊逻辑，用于服务内部系统驳回、拒绝时的特殊处理
+            return personId;
+        }
         if (StringUtils.hasLength(ouId)) {
             return ouId + "|" + personId;
         } else {
@@ -114,6 +118,12 @@ public class BpmnTaskDelegateAssigner implements Serializable {
         }
     }
 
+    public BpmnTaskDelegateAssigner(String assignerName, String personId, String tenantId) {
+        this.assignerName = assignerName;
+        this.personId = personId;
+        this.tenantId = tenantId;
+    }
+
     public final boolean comparePersonIdToOther(BpmnTaskDelegateAssigner other) {
         return Objects.equals(personId, other.getPersonId());
     }