返回语法错误

project-order/src/main/java/com/alibaba/cloud/integration/order/service/impl/ProductServiceImpl.java

@@ -45,7 +45,7 @@ public class ProductServiceImpl implements ProductService {
                 brandMap.put(brand, brandDTO);
             }
         }
-        return (List<BrandDTO>) brandMap.values();
+        return new ArrayList<>(brandMap.values());
     }
 
     @Override