diff --git a/backend/src/main/java/com/designhub/service/TaskService.java b/backend/src/main/java/com/designhub/service/TaskService.java
index 206ee98..3418bf3 100644
--- a/backend/src/main/java/com/designhub/service/TaskService.java
+++ b/backend/src/main/java/com/designhub/service/TaskService.java
@@ -2393,7 +2393,7 @@ public class TaskService {
             
             // 获取用户自己的部门类型（用于普通用户统计）
             String userDeptType = null;
-            User currentUser = userMapper.selectById(userId);
+            User currentUser = userService.getUserById(userId);
             if (currentUser != null && currentUser.getDeptId() != null) {
                 Department userDept = departmentMapper.selectById(currentUser.getDeptId());
                 if (userDept != null) {