楼宇id返回的，用字符型，不然前端丢失精度

model2d3d-viewer-back-model/src/main/java/com/model2d3d/viewer/back/vo/building/BuildingPageVO.java

@@ -13,7 +13,7 @@ import org.hibernate.validator.constraints.Length;
 public class BuildingPageVO{
 
 	@Schema(description ="Building unique identifier ID, not required for new additions", example = "2738967")
-	private Long buildingId;
+	private String buildingId;
 
 	@Schema(description ="Company ID", example = "2738967", required = true)
 	private String companyId;