fix: 修复为空错误

project-order/src/main/java/com/dituhui/pea/order/service/impl/BusinessBlockServiceImpl.java

@@ -198,6 +198,7 @@ public class BusinessBlockServiceImpl implements BusinessBlockService {
 		block.setLayerId(layerId);
 		block.setLayer(layerName);
 		block.setStatus(true);
+		block.setArea(0L);
 		entityManager.persist(block);
 
 		return Result.success(null);