修改bug

nightFragrance-massage/src/main/java/com/ylx/massage/service/impl/TechnicianMomentServiceImpl.java

@@ -353,7 +353,7 @@ public class TechnicianMomentServiceImpl extends ServiceImpl<TechnicianMomentMap
                 }
             } else if (dto.getMediaType() == 2) {
                 // 视频类型，使用视频URL作为封面
-                moment.setCoverUrl(dto.getVideoUrl());
+                moment.setCoverUrl(dto.getVideoCoverUrl());
             }
         }