diff --git a/product/src/gui/plugin/TrendCurves/CTrendInfoManage.cpp b/product/src/gui/plugin/TrendCurves/CTrendInfoManage.cpp
index 0668a061..92faed58 100644
--- a/product/src/gui/plugin/TrendCurves/CTrendInfoManage.cpp
+++ b/product/src/gui/plugin/TrendCurves/CTrendInfoManage.cpp
@@ -383,13 +383,13 @@ void CTrendInfoManage::loadDevGroupInfo(CDbApi *pReadDb)
     {
         return ;
     }
-    QString sqlSequenceQuery = QStringLiteral("select tag_name, description, location_id from dev_group where sub_system > 3 order by");
+    QString sqlSequenceQuery = QStringLiteral("select tag_name, description, location_id from dev_group where sub_system > 3 order by ");
     if(!strLoctionFilter.isEmpty())
     {
-        sqlSequenceQuery.append(QString("  %1 asc,dev_group_no asc,tag_name;").arg(strLoctionFilter));
+        sqlSequenceQuery.append(QString(" rtu_no asc,  %1 asc,dev_group_no asc,tag_name;").arg(strLoctionFilter));
     }else
     {
-        sqlSequenceQuery.append(QStringLiteral(" dev_group_no asc,tag_name;"));
+        sqlSequenceQuery.append(QStringLiteral(" rtu_no asc, dev_group_no asc,tag_name;"));
     }
     query.setForwardOnly(true);
     pReadDb->execute(sqlSequenceQuery, query);