diff --git a/product/src/gui/plugin/TrendCurves/CTrendInfoManage.cpp b/product/src/gui/plugin/TrendCurves/CTrendInfoManage.cpp
index 0ce115b9..fc800afc 100644
--- a/product/src/gui/plugin/TrendCurves/CTrendInfoManage.cpp
+++ b/product/src/gui/plugin/TrendCurves/CTrendInfoManage.cpp
@@ -334,10 +334,10 @@ void CTrendInfoManage::loadDevGroupInfo(CDbApi *pReadDb)
     QString sqlSequenceQuery = QStringLiteral("select tag_name, description, location_id from dev_group where sub_system > 3 ");
     if(!strLoctionFilter.isEmpty())
     {
-        sqlSequenceQuery.append(QString(" and %1 order by location_id , rtu_no , dev_group_no asc ,tag_name;").arg(strLoctionFilter));
+        sqlSequenceQuery.append(QString(" and %1 order by location_id , rtu_no , dev_group_no  ,tag_name;").arg(strLoctionFilter));
     }else
     {
-        sqlSequenceQuery.append(QStringLiteral(" order by  location_id , rtu_no , dev_group_no asc ,tag_name;"));
+        sqlSequenceQuery.append(QStringLiteral(" order by  location_id , rtu_no , dev_group_no  ,tag_name;"));
     }
     query.setForwardOnly(true);
     pReadDb->execute(sqlSequenceQuery, query);