diff --git a/backend/src/main/java/com/designhub/service/AnalyticsService.java b/backend/src/main/java/com/designhub/service/AnalyticsService.java
index 92f30d9..b753e13 100644
--- a/backend/src/main/java/com/designhub/service/AnalyticsService.java
+++ b/backend/src/main/java/com/designhub/service/AnalyticsService.java
@@ -2040,7 +2040,7 @@ public class AnalyticsService {
         // 获取所有部门
         List<Department> departments = departmentMapper.selectList(null);
         Map<Long, String> deptNames = departments.stream()
-            .collect(Collectors.toMap(d -> d.getId(), d -> d.getName(), (a, b) -> a));
+            .collect(Collectors.toMap(d -> d.getId(), d -> d.getDeptName(), (a, b) -> a));
         
         for (Map.Entry<Long, List<Task>> entry : tasksByDept.entrySet()) {
             Long deptId = entry.getKey();
@@ -2128,7 +2128,7 @@ public class AnalyticsService {
         // 获取所有部门
         List<Department> departments = departmentMapper.selectList(null);
         Map<Long, String> deptNames = departments.stream()
-            .collect(Collectors.toMap(d -> d.getId(), d -> d.getName(), (a, b) -> a));
+            .collect(Collectors.toMap(d -> d.getId(), d -> d.getDeptName(), (a, b) -> a));
         
         for (Map.Entry<Long, List<Task>> entry : tasksByDept.entrySet()) {
             Long deptId = entry.getKey();