From e9a27cae8addd2a43743c0750269323cc3ace7a4 Mon Sep 17 00:00:00 2001
From: Your Name <your.email@example.com>
Date: Fri, 23 Jan 2026 13:09:53 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=EF=BC=9A=E6=92=A4=E5=9B=9E?=
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---
 .../com/designhub/service/TaskService.java    | 20 ++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/backend/src/main/java/com/designhub/service/TaskService.java b/backend/src/main/java/com/designhub/service/TaskService.java
index 96792b5..fba4c62 100644
--- a/backend/src/main/java/com/designhub/service/TaskService.java
+++ b/backend/src/main/java/com/designhub/service/TaskService.java
@@ -2466,15 +2466,17 @@ public class TaskService {
                 taskId, task.getPublisherDeptId(), scoreToRefund);
         }
         
-        // 更新任务状态为草稿
-        task.setStatus("draft");
-        task.setApprovalStatus(null);  // 清除审批状态
-        task.setCurrentApproverId(null);
-        task.setCurrentApproverRole(null);
-        task.setAuditStatus("draft");  // 重置审核状态
-        task.setUpdateTime(LocalDateTime.now());
-        
-        taskMapper.updateById(task);
+        // 更新任务状态为草稿（使用 LambdaUpdateWrapper 确保 null 值也能更新）
+        taskMapper.update(null, 
+            new LambdaUpdateWrapper<Task>()
+                .eq(Task::getId, taskId)
+                .set(Task::getStatus, "draft")
+                .set(Task::getApprovalStatus, null)  // 清除审批状态
+                .set(Task::getCurrentApproverId, null)
+                .set(Task::getCurrentApproverRole, null)
+                .set(Task::getAuditStatus, "draft")  // 重置审核状态
+                .set(Task::getUpdateTime, LocalDateTime.now())
+        );
         
         // 如果是流水线任务，也需要重置子任务状态
         if (task.getIsPipeline() != null && task.getIsPipeline() == 1) {