diff --git a/uapbd/src/private/nccloud/api/impl/mmbd/bom/APIBomBusinessServiceImpl.java b/uapbd/src/private/nccloud/api/impl/mmbd/bom/APIBomBusinessServiceImpl.java
index 40a7657..7efe53a 100644
--- a/uapbd/src/private/nccloud/api/impl/mmbd/bom/APIBomBusinessServiceImpl.java
+++ b/uapbd/src/private/nccloud/api/impl/mmbd/bom/APIBomBusinessServiceImpl.java
@@ -1600,15 +1600,14 @@ public class APIBomBusinessServiceImpl implements IAPIBomBusinessService {
             sql.append("AND hcmaterialid = ? ");
             param.addParam(hcmaterialid);
 
-			// 只查询数字版本号，排除非数字版本
+            // 只查询数字版本号，排除非数字版本
             sql.append("AND REGEXP_LIKE(hversion, '^[0-9]+$') ");
+            // 如果查询不到数据，默认版本号为1；否则最大版本号加1
+            Object mayBeNullVersion = DAO.executeQuery(sql.toString(), param, new ColumnProcessor());
+            String number = Objects.isNull(mayBeNullVersion) ? "1" : DAO.executeQuery(sql.toString(), param, new ColumnProcessor()).toString();
+            return String.valueOf(Long.parseLong(number)+1);
 
-			Long maxVersion = (Long) DAO.executeQuery(sql.toString(), param, new ColumnProcessor());
-
-			// 如果查询不到数据，默认版本号为1；否则最大版本号加1
-			return String.valueOf((maxVersion != null ? maxVersion : 0) + 1);
-
-		} catch (Exception e) {
+        } catch (Exception e) {
 			throw new BusinessException("计算BOM版本号异常：" + e.getMessage());
 		}
 	}