diff --git a/src/main/java/com/yunhai/bschclassmanage/service/impl/sync/SyncUserService.java b/src/main/java/com/yunhai/bschclassmanage/service/impl/sync/SyncUserService.java
index 5eb0d24..cb50e2e 100644
--- a/src/main/java/com/yunhai/bschclassmanage/service/impl/sync/SyncUserService.java
+++ b/src/main/java/com/yunhai/bschclassmanage/service/impl/sync/SyncUserService.java
@@ -350,12 +350,11 @@ public class SyncUserService implements ISyncUserService {
             if (g == null || g.getTransferStatus() == null || g.getTransferStatus().intValue() != TransferStatus.IN.getId()) continue;
             String key = buildTeacherGroupKeyWithSchId(g.getTeaId(), g.getGroupId(), g.getSchId());
             if (!incomingGroupKeys.contains(key)) {
-                g.setTransferStatus(TransferStatus.OUT.getId());
                 staleGroups.add(g);
             }
         }
         if (!staleGroups.isEmpty()) {
-            schTeacherGroupRepository.saveAll(staleGroups);
+            schTeacherGroupRepository.deleteAll(staleGroups);
             log.info("清理教师历史脏组（已不在用户中心下发）：数量={}", staleGroups.size());
         }