diff --git a/backend/src/main/java/com/designhub/service/TaskItemService.java b/backend/src/main/java/com/designhub/service/TaskItemService.java
index 58862e4..81d5a3c 100644
--- a/backend/src/main/java/com/designhub/service/TaskItemService.java
+++ b/backend/src/main/java/com/designhub/service/TaskItemService.java
@@ -1332,16 +1332,6 @@ public class TaskItemService {
                     // 使用子任务自己的typeDetails（子任务创建时已经保存了明细）
                     groupInfo.put("typeDetails", item.getTypeDetails());
                     
-                    // 发起人信息
-                    groupInfo.put("publisherId", mainTask.getPublisherId());
-                    if (mainTask.getPublisherId() != null) {
-                        com.designhub.entity.User publisher = userMapper.selectById(mainTask.getPublisherId());
-                        if (publisher != null) {
-                            groupInfo.put("publisherName", publisher.getRealName());
-                            groupInfo.put("publisherDeptName", publisher.getDeptName());
-                        }
-                    }
-                    
                     // 一级需求部门发起人信息（对于一级需求部门任务）
                     groupInfo.put("primaryPublisherId", mainTask.getPrimaryPublisherId());
                     groupInfo.put("primaryPublisherDeptId", mainTask.getPrimaryPublisherDeptId());
@@ -1361,6 +1351,37 @@ public class TaskItemService {
                     // 是否是一级需求部门任务
                     groupInfo.put("isPrimaryTask", mainTask.getIsPrimaryTask());
                     
+                    // 明细完善人信息（需求部门成员）
+                    groupInfo.put("detailCompleterId", mainTask.getDetailCompleterId());
+                    if (mainTask.getDetailCompleterId() != null) {
+                        com.designhub.entity.User detailCompleter = userMapper.selectById(mainTask.getDetailCompleterId());
+                        if (detailCompleter != null) {
+                            groupInfo.put("detailCompleterName", detailCompleter.getRealName());
+                        }
+                    }
+                    
+                    // 发起人信息：对于一级需求任务，发起人显示为明细完善人；否则显示原始发起人
+                    if (mainTask.getIsPrimaryTask() != null && mainTask.getIsPrimaryTask() == 1 
+                        && mainTask.getDetailCompleterId() != null) {
+                        // 一级需求任务：发起人 = 明细完善人
+                        groupInfo.put("publisherId", mainTask.getDetailCompleterId());
+                        com.designhub.entity.User detailCompleter = userMapper.selectById(mainTask.getDetailCompleterId());
+                        if (detailCompleter != null) {
+                            groupInfo.put("publisherName", detailCompleter.getRealName());
+                            groupInfo.put("publisherDeptName", detailCompleter.getDeptName());
+                        }
+                    } else {
+                        // 普通任务：发起人 = 原始发起人
+                        groupInfo.put("publisherId", mainTask.getPublisherId());
+                        if (mainTask.getPublisherId() != null) {
+                            com.designhub.entity.User publisher = userMapper.selectById(mainTask.getPublisherId());
+                            if (publisher != null) {
+                                groupInfo.put("publisherName", publisher.getRealName());
+                                groupInfo.put("publisherDeptName", publisher.getDeptName());
+                            }
+                        }
+                    }
+                    
                     // 主任务的任务类型信息
                     groupInfo.put("taskTypeId", mainTask.getTaskTypeId());
                     // 使用taskSubType显示一级分类（新品/优化/改图等）
diff --git a/frontend/src/views/TaskHall.vue b/frontend/src/views/TaskHall.vue
index 5c2e9d6..2224a2d 100644
--- a/frontend/src/views/TaskHall.vue
+++ b/frontend/src/views/TaskHall.vue
@@ -5043,6 +5043,9 @@ const loadReviewTasks = async (newFilters?: any) => {
           primaryPublisherName: group.primaryPublisherName,
           primaryPublisherDeptId: group.primaryPublisherDeptId,
           primaryPublisherDeptName: group.primaryPublisherDeptName,
+          // 明细完善人信息
+          detailCompleterId: group.detailCompleterId,
+          detailCompleterName: group.detailCompleterName,
           // 审核人信息（流程阶段显示）
           currentApproverName: group.currentApproverName,
           currentApproverRole: group.currentApproverRole,