fix

@@ -753,7 +753,7 @@ public class OrderGrpcService extends ClientCustomerOrderServiceRpcGrpc.ClientCu
             for (var sellQuantity : request.getSkuSellQuantitiesList()) {
                 final var skuSellQuantity = skuSellQuantityMap.get(sellQuantity.getSkuId());
                 if (skuSellQuantity == null) {
-                    throw new IllegalArgumentException("addSkusSellQuantities skuId not exists; " + sellQuantity.getSkuId());
+                    continue;
                 }
                 final int quantity = sellQuantity.getQuantity();
                 if (quantity < 0) {