diff --git a/dao/om/implments/DemandLst.dao.impl.go b/dao/om/implments/DemandLst.dao.impl.go
index 608f1bf..6a191bb 100644
--- a/dao/om/implments/DemandLst.dao.impl.go
+++ b/dao/om/implments/DemandLst.dao.impl.go
@@ -245,7 +245,9 @@ func (impl *DemandLstDAOImplement) SelectAndPaging(paging *grmi.Paging, predicat
 	}
 	parameters = append(parameters, paging.Offset(), paging.Size)
 	data := make([]model.DemandLst, 0, 10)
-	where = " where " + where
+	if where != "" {
+		where = " where " + where
+	}
 	err = impl.session.Table(impl.meta.TableName).SQL("select * from "+impl.meta.TableName+where+orderBy+" offset ? row fetch next ? row only", parameters...).Find(&data)
 	if err != nil {
 		return grmi.EmptyPagingResult, err