diff --git a/backend/src/main/java/com/designhub/service/TaskService.java b/backend/src/main/java/com/designhub/service/TaskService.java
index 647e2c0..b83780c 100644
--- a/backend/src/main/java/com/designhub/service/TaskService.java
+++ b/backend/src/main/java/com/designhub/service/TaskService.java
@@ -806,6 +806,40 @@ public class TaskService {
                     task.setCurrentApproverName(approver.getRealName() != null ? approver.getRealName() : approver.getUsername());
                 }
             }
+            
+            // 对于流水线任务，如果主任务没有接单人，从子任务中获取
+            if ((task.getReceiverName() == null || task.getReceiverName().isEmpty()) 
+                && task.getIsPipeline() != null && task.getIsPipeline() == 1) {
+                try {
+                    List<TaskItem> subTasks = taskItemMapper.selectList(
+                        new LambdaQueryWrapper<TaskItem>()
+                            .eq(TaskItem::getTaskId, task.getId())
+                            .isNotNull(TaskItem::getReceiverId)
+                            .orderByAsc(TaskItem::getGroupNo)
+                    );
+                    if (!subTasks.isEmpty()) {
+                        // 获取所有不同的接单人
+                        java.util.Set<String> receiverNames = new java.util.LinkedHashSet<>();
+                        for (TaskItem item : subTasks) {
+                            if (item.getReceiverId() != null) {
+                                User receiver = userService.getUserById(item.getReceiverId());
+                                if (receiver != null && receiver.getRealName() != null) {
+                                    receiverNames.add(receiver.getRealName());
+                                }
+                            }
+                        }
+                        if (!receiverNames.isEmpty()) {
+                            if (receiverNames.size() == 1) {
+                                task.setReceiverName(receiverNames.iterator().next());
+                            } else {
+                                task.setReceiverName(receiverNames.iterator().next() + "等" + receiverNames.size() + "人");
+                            }
+                        }
+                    }
+                } catch (Exception e) {
+                    log.warn("获取流水线任务子任务接单人失败: taskId={}", task.getId());
+                }
+            }
         }
         return result;
     }
@@ -937,15 +971,35 @@ public class TaskService {
                 task.setSubTaskInProgress((int) inProgressCount);
                 task.setSubTaskPending((int) pendingCount);
                 
+                // 填充子任务的接单人名称
+                for (TaskItem item : subTasks) {
+                    if (item.getReceiverId() != null && (item.getReceiverName() == null || item.getReceiverName().isEmpty())) {
+                        User receiver = userService.getUserById(item.getReceiverId());
+                        if (receiver != null) {
+                            item.setReceiverName(receiver.getRealName());
+                        }
+                    }
+                }
+                
                 // 设置子任务列表（包含处理人信息）
                 task.setSubTasks(subTasks);
                 
-                // 如果主任务没有receiverName，从子任务中获取第一个有接单人的
+                // 如果主任务没有receiverName，从子任务中获取接单人
                 if (task.getReceiverName() == null || task.getReceiverName().isEmpty()) {
-                    subTasks.stream()
-                        .filter(item -> item.getReceiverName() != null && !item.getReceiverName().isEmpty())
-                        .findFirst()
-                        .ifPresent(item -> task.setReceiverName(item.getReceiverName() + "等"));
+                    // 收集所有不同的接单人名称
+                    java.util.Set<String> receiverNames = new java.util.LinkedHashSet<>();
+                    for (TaskItem item : subTasks) {
+                        if (item.getReceiverName() != null && !item.getReceiverName().isEmpty()) {
+                            receiverNames.add(item.getReceiverName());
+                        }
+                    }
+                    if (!receiverNames.isEmpty()) {
+                        if (receiverNames.size() == 1) {
+                            task.setReceiverName(receiverNames.iterator().next());
+                        } else {
+                            task.setReceiverName(receiverNames.iterator().next() + "等" + receiverNames.size() + "人");
+                        }
+                    }
                 }
             }
         } catch (Exception e) {