bug

src/main/java/com/edgec/browserbackend/browser/service/Impl/ShopServiceImpl.java

@@ -240,7 +240,7 @@ public class ShopServiceImpl implements ShopService {
         }
         UserShop userShop = userShopRepository.findByUsernameAndShopId(username, shopId);
         Group group = groupRepository.findById(groupId).orElse(null);
-        if (userShop == null || !group.getOwner().equals(username)) {
+        if (userShop == null || (!group.getId().equals("-1") && !group.getOwner().equals(username))) {
             throw new ClientRequestException(AccountErrorCode.NOPERMISSION);
         }
         Shop shop = shopRepository.findById(shopId).orElse(null);