diff --git a/backend/src/main/java/com/designhub/service/TaskItemService.java b/backend/src/main/java/com/designhub/service/TaskItemService.java
index 4053857..c56964b 100644
--- a/backend/src/main/java/com/designhub/service/TaskItemService.java
+++ b/backend/src/main/java/com/designhub/service/TaskItemService.java
@@ -682,11 +682,42 @@ public class TaskItemService {
         boolean isAdmin = approver != null && Integer.valueOf(1).equals(approver.getIsAdmin());
         
         if (!isAdmin) {
-            if (mainTask.getReceiverDeptId() == null) {
-                throw new BusinessException(ResultCode.FORBIDDEN, "任务未指定接单部门");
+            // 获取该组的子任务，检查审核人是否是对应部门的负责人
+            List<TaskItem> checkItems = taskItemMapper.selectList(
+                new LambdaQueryWrapper<TaskItem>()
+                    .eq(TaskItem::getTaskId, taskId)
+                    .eq(TaskItem::getGroupNo, groupNo)
+                    .eq(TaskItem::getStatus, "pending_approval")
+                    .last("LIMIT 1")
+            );
+            
+            if (checkItems.isEmpty()) {
+                throw new BusinessException(ResultCode.PARAM_ERROR, "该组没有待审核的子任务");
             }
-            com.designhub.entity.Department receiverDept = departmentMapper.selectById(mainTask.getReceiverDeptId());
-            if (receiverDept == null || !approverId.equals(receiverDept.getLeaderId())) {
+            
+            // 从子任务的任务类型配置获取接单部门
+            TaskItem firstItem = checkItems.get(0);
+            Long targetDeptId = getTargetDeptIdFromTaskType(firstItem.getTaskTypeId());
+            
+            boolean hasPermission = false;
+            
+            // 检查任务类型配置的接单部门
+            if (targetDeptId != null) {
+                com.designhub.entity.Department receiverDept = departmentMapper.selectById(targetDeptId);
+                if (receiverDept != null && approverId.equals(receiverDept.getLeaderId())) {
+                    hasPermission = true;
+                }
+            }
+            
+            // 兼容：也检查主任务的 receiver_dept_id
+            if (!hasPermission && mainTask.getReceiverDeptId() != null) {
+                com.designhub.entity.Department receiverDept = departmentMapper.selectById(mainTask.getReceiverDeptId());
+                if (receiverDept != null && approverId.equals(receiverDept.getLeaderId())) {
+                    hasPermission = true;
+                }
+            }
+            
+            if (!hasPermission) {
                 throw new BusinessException(ResultCode.FORBIDDEN, "只有接单部门负责人可以审核子任务组");
             }
         } else {
@@ -991,8 +1022,27 @@ public class TaskItemService {
         Map<String, Map<String, Object>> groupMap = new HashMap<>();
         for (TaskItem item : pendingItems) {
             Task mainTask = taskMapper.selectById(item.getTaskId());
-            // receiverDeptId为null表示管理员，可以看到所有任务
-            if (mainTask != null && (receiverDeptId == null || receiverDeptId.equals(mainTask.getReceiverDeptId()))) {
+            if (mainTask == null) continue;
+            
+            // 判断是否有权限查看该子任务
+            boolean hasPermission = false;
+            if (receiverDeptId == null) {
+                // 管理员可以看到所有任务
+                hasPermission = true;
+            } else {
+                // 部门负责人：检查子任务的任务类型配置的 allowed_dept_ids 是否包含该部门
+                Long targetDeptId = getTargetDeptIdFromTaskType(item.getTaskTypeId());
+                if (targetDeptId != null && targetDeptId.equals(receiverDeptId)) {
+                    hasPermission = true;
+                }
+                // 兼容：也检查主任务的 receiver_dept_id
+                if (!hasPermission && mainTask.getReceiverDeptId() != null 
+                    && mainTask.getReceiverDeptId().equals(receiverDeptId)) {
+                    hasPermission = true;
+                }
+            }
+            
+            if (hasPermission) {
                 String key = item.getTaskId() + "-" + item.getGroupNo();
                 if (!groupMap.containsKey(key)) {
                     Map<String, Object> groupInfo = new HashMap<>();