From 84e2e890de17598f0945acb85b60ce8c12dd2b62 Mon Sep 17 00:00:00 2001
From: wangli <274027703@qq.com>
Date: Tue, 25 Nov 2025 14:46:21 +0800
Subject: [PATCH] =?UTF-8?q?fix=20-=20=E8=B0=83=E6=95=B4=E8=BD=AC=E4=BA=A4?=
 =?UTF-8?q?=E6=97=B6=E7=9A=84=E4=BB=BB=E5=8A=A1=E5=88=A4=E6=96=AD?=
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---
 .../workflow/core/engine/cmd/CustomTransferUserTaskCmd.java   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomTransferUserTaskCmd.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomTransferUserTaskCmd.java
index 6d370a2be..96f002ecf 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomTransferUserTaskCmd.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomTransferUserTaskCmd.java
@@ -29,6 +29,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 
+import static cn.axzo.workflow.common.code.BpmnTaskRespCode.TASK_HAS_BEEN_COMPLETE;
 import static cn.axzo.workflow.common.code.BpmnTaskRespCode.TRANSFER_TO_SELF;
 import static cn.axzo.workflow.common.code.OtherRespCode.ASSIGNEE_NODE_ID_NOT_EXISTS;
 import static cn.axzo.workflow.common.constant.BpmnConstants.COMMENT_TYPE_ADVICE;
@@ -100,6 +101,9 @@ public class CustomTransferUserTaskCmd extends AbstractCommand<Void> implements
 
         TaskService taskService = processEngineConfiguration.getTaskService();
         TaskEntity task = (TaskEntity) taskService.createTaskQuery().taskId(originTaskId).singleResult();
+        if (Objects.isNull(task)) {
+            throw new WorkflowEngineException(TASK_HAS_BEEN_COMPLETE);
+        }
 
         validTargetAssigneeNodeId(task.getProcessDefinitionId());