diff --git a/example/example_en_US.ts b/example/example_en_US.ts
index 6e263692..f20047c2 100644
--- a/example/example_en_US.ts
+++ b/example/example_en_US.ts
@@ -2386,14 +2386,6 @@ Some contents...</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
-<context>
-    <name>T_TreeView2</name>
-    <message>
-        <location filename="qml/page/T_TreeView2.qml" line="10"/>
-        <source>TreeView2</source>
-        <translation type="unfinished"></translation>
-    </message>
-</context>
 <context>
     <name>T_Typography</name>
     <message>
diff --git a/example/example_zh_CN.ts b/example/example_zh_CN.ts
index 33fd594e..048a6c55 100644
--- a/example/example_zh_CN.ts
+++ b/example/example_zh_CN.ts
@@ -2469,14 +2469,6 @@ Some contents...</source>
         <translation type="unfinished">共计选中%1条数据</translation>
     </message>
 </context>
-<context>
-    <name>T_TreeView2</name>
-    <message>
-        <location filename="qml/page/T_TreeView2.qml" line="10"/>
-        <source>TreeView2</source>
-        <translation type="unfinished"></translation>
-    </message>
-</context>
 <context>
     <name>T_Typography</name>
     <message>
diff --git a/src/FluTreeModel.cpp b/src/FluTreeModel.cpp
index 1865dd66..f53fede8 100644
--- a/src/FluTreeModel.cpp
+++ b/src/FluTreeModel.cpp
@@ -101,7 +101,7 @@ void FluTreeModel::checkRow(int row,bool checked){
         }
         itemData->_checked = checked;
     }
-    Q_EMIT layoutChanged();
+    Q_EMIT dataChanged(index(0,0),index(rowCount()-1,0));
     QList<FluTreeNode*> data;
     foreach (auto item, _dataSource) {
         if(!item->hasChildren()){
@@ -302,8 +302,7 @@ void FluTreeModel::dragAndDrop(int dragIndex,int dropIndex,bool isDropTopArea){
         destChildren->insert(targetIndex,dragItem);
     }
     changePersistentIndex(index(qMin(dragIndex,dropIndex),0),index(qMax(dragIndex,dropIndex),0));
-    Q_EMIT layoutChanged();
-
+    Q_EMIT dataChanged(index(0,0),index(rowCount()-1,0));
 }
 
 bool FluTreeModel::hitHasChildrenExpanded(int row){