diff --git a/src/FluTreeModel.cpp b/src/FluTreeModel.cpp
index de9aae3f..f662a15c 100644
--- a/src/FluTreeModel.cpp
+++ b/src/FluTreeModel.cpp
@@ -107,7 +107,7 @@ void FluTreeModel::checkRow(int row, bool checked) {
 void FluTreeModel::setDataSource(QList<QMap<QString, QVariant>> data) {
     _dataSource.clear();
     if (_root) {
-        delete _root;
+        _root->deleteLater();
         _root = nullptr;
     }
     _root = new FluTreeNode(this);
@@ -115,7 +115,7 @@ void FluTreeModel::setDataSource(QList<QMap<QString, QVariant>> data) {
     while (data.count() > 0) {
         auto item = data.at(data.count() - 1);
         data.pop_back();
-        auto *node = new FluTreeNode(this);
+        auto *node = new FluTreeNode(_root);
         node->_depth = item.value("__depth").toInt();
         node->_parent = item.value("__parent").value<FluTreeNode *>();
         node->_data = item;
diff --git a/src/Qt5/imports/FluentUI/Controls/FluTreeView.qml b/src/Qt5/imports/FluentUI/Controls/FluTreeView.qml
index df160026..112ad209 100644
--- a/src/Qt5/imports/FluentUI/Controls/FluTreeView.qml
+++ b/src/Qt5/imports/FluentUI/Controls/FluTreeView.qml
@@ -474,6 +474,7 @@ Rectangle {
                     }
                     return {}
                 }
+                active: rowModel !== undefined && rowModel !== null
                 sourceComponent: {
                     if(column === 0)
                         return com_column
diff --git a/src/Qt6/imports/FluentUI/Controls/FluTreeView.qml b/src/Qt6/imports/FluentUI/Controls/FluTreeView.qml
index 2f5df3e6..7592e3e7 100644
--- a/src/Qt6/imports/FluentUI/Controls/FluTreeView.qml
+++ b/src/Qt6/imports/FluentUI/Controls/FluTreeView.qml
@@ -474,6 +474,7 @@ Rectangle {
                     }
                     return {}
                 }
+                active: rowModel !== undefined && rowModel !== null
                 sourceComponent: {
                     if(column === 0)
                         return com_column