diff --git a/backend/src/main/java/com/designhub/service/UserService.java b/backend/src/main/java/com/designhub/service/UserService.java
index 8c47881..667e778 100644
--- a/backend/src/main/java/com/designhub/service/UserService.java
+++ b/backend/src/main/java/com/designhub/service/UserService.java
@@ -1524,8 +1524,26 @@ public class UserService {
         }
         
         if (allowedDeptIds == null || allowedDeptIds.trim().isEmpty()) {
-            log.warn("任务类型{}及其父级都没有配置接单部门", taskTypeId);
-            return new ArrayList<>();
+            log.info("任务类型{}及其父级都没有配置接单部门，默认返回所有接单部门的设计师", taskTypeId);
+            // 获取所有接单部门
+            List<Department> receivingDepts = departmentMapper.selectList(
+                new LambdaQueryWrapper<Department>()
+                    .eq(Department::getDeptType, "receiving")
+                    .eq(Department::getStatus, 1)
+                    .eq(Department::getDeleted, 0)
+            );
+            if (receivingDepts.isEmpty()) {
+                log.warn("没有找到任何接单部门");
+                return new ArrayList<>();
+            }
+            // 收集所有接单部门的ID
+            StringBuilder deptIdBuilder = new StringBuilder();
+            for (int i = 0; i < receivingDepts.size(); i++) {
+                if (i > 0) deptIdBuilder.append(",");
+                deptIdBuilder.append(receivingDepts.get(i).getId());
+            }
+            allowedDeptIds = deptIdBuilder.toString();
+            log.info("使用所有接单部门: {}", allowedDeptIds);
         }
         
         log.info("找到接单部门配置: taskTypeId={}, allowedDeptIds={}", currentTypeId, allowedDeptIds);