diff --git a/apps/server/src/attendance/attendance.service.ts b/apps/server/src/attendance/attendance.service.ts
index 2a3630a..b158614 100644
--- a/apps/server/src/attendance/attendance.service.ts
+++ b/apps/server/src/attendance/attendance.service.ts
@@ -33,6 +33,7 @@ export class AttendanceService {
     private scheduleRepo: Repository<ClassSchedule>,
     @InjectRepository(ClassStudent)
     private classStudentRepo: Repository<ClassStudent>,
+    @InjectRepository(UserDingMapping)
     private userDingMappingRepo: Repository<UserDingMapping>,
   ) {}