diff --git a/backend/services/admin-service/src/infrastructure/persistence/repositories/user-detail-query.repository.impl.ts b/backend/services/admin-service/src/infrastructure/persistence/repositories/user-detail-query.repository.impl.ts
index 652cab72..fca64c87 100644
--- a/backend/services/admin-service/src/infrastructure/persistence/repositories/user-detail-query.repository.impl.ts
+++ b/backend/services/admin-service/src/infrastructure/persistence/repositories/user-detail-query.repository.impl.ts
@@ -118,13 +118,15 @@ export class UserDetailQueryRepositoryImpl implements IUserDetailQueryRepository
     return ancestorIds.map((id, index) => {
       const user = userMap.get(id.toString());
       const ref = referralMap.get(id.toString());
-      const stats = teamStats.get(user?.accountSequence || '');
+      // 优先从 referralQueryView 获取 accountSequence（更可靠）
+      const accountSeq = ref?.accountSequence || user?.accountSequence || '';
+      const stats = teamStats.get(accountSeq);
       return {
         userId: id,
-        accountSequence: user?.accountSequence || '',
+        accountSequence: accountSeq,
         nickname: user?.nickname || null,
         avatarUrl: user?.avatarUrl || null,
-        personalAdoptionCount: adoptionCountMap.get(user?.accountSequence || '') || 0,
+        personalAdoptionCount: adoptionCountMap.get(accountSeq) || 0,
         teamAdoptionCount: stats?.teamAdoptionCount || 0,
         depth: ref?.depth || index,
         directReferralCount: directCountMap.get(id.toString()) || 0,