update

cooleshow-user/user-biz/src/main/java/com/yonge/cooleshow/biz/dal/service/impl/TenantGroupAlbumServiceImpl.java

@@ -214,10 +214,12 @@ public class TenantGroupAlbumServiceImpl extends ServiceImpl<TenantGroupAlbumMap
             }
 
             for (TenantGroupAlbumWrapper.BuyTenantAlbum item : buyAlbumInfo) {
-                item.setBuyedTimes((int) studentTenantAlbumNum.stream().filter(x -> x.equals(item.getTenantGroupAlbumId())).count());
-                if (item.getBuyedTimes() > item.getBuyTimes()) {
-                    item.setBuyedTimes(item.getBuyTimes());
-                }
+            	if(studentTenantAlbumNum != null && studentTenantAlbumNum.size() > 0) {
+	                item.setBuyedTimes((int) studentTenantAlbumNum.stream().filter(x -> x.equals(item.getTenantGroupAlbumId())).count());
+	                if (item.getBuyedTimes() > item.getBuyTimes()) {
+	                    item.setBuyedTimes(item.getBuyTimes());
+	                }
+            	}
                 item.setStatus(albumRecordMap.containsKey(item.getId()));
                 UserTenantAlbumRecord userTenantAlbumRecord = albumRecordMap.get(item.getId());
                 if (userTenantAlbumRecord != null) {