diff --git a/src/main/java/com/ycwl/basic/service/pc/impl/FaceServiceImpl.java b/src/main/java/com/ycwl/basic/service/pc/impl/FaceServiceImpl.java
index 77c65b8f..679e5211 100644
--- a/src/main/java/com/ycwl/basic/service/pc/impl/FaceServiceImpl.java
+++ b/src/main/java/com/ycwl/basic/service/pc/impl/FaceServiceImpl.java
@@ -1143,6 +1143,13 @@ public class FaceServiceImpl implements FaceService {
                 throw new BaseException("人脸不存在");
             }
 
+            // 在重新匹配前，删除该人脸的旧数据关系（member_source 和 member_video）
+            log.debug("删除人脸旧关系数据：faceId={}, memberId={}", faceId, face.getMemberId());
+            sourceMapper.deleteNotBuyFaceRelation(face.getMemberId(), faceId);
+            videoMapper.deleteNotBuyFaceRelations(face.getMemberId(), faceId);
+            memberRelationRepository.clearSCacheByFace(faceId);
+            log.debug("人脸旧关系数据删除完成：faceId={}", faceId);
+
             List<FaceSampleEntity> faceSamples = faceSampleMapper.listByIds(faceSampleIds);
             if (faceSamples.isEmpty()) {
                 log.warn("未找到指定的人脸样本，faceSampleIds: {}", faceSampleIds);