diff --git a/example/example_en_US.ts b/example/example_en_US.ts
index 7b417a49..5e6b05f1 100644
--- a/example/example_en_US.ts
+++ b/example/example_en_US.ts
@@ -1402,7 +1402,7 @@ My only desire is to be permitted to drive out the traitors and restore the Han.
 <context>
     <name>T_LineChart</name>
     <message>
-        <location filename="qml/chart/T_LineChart.qml" line="10"/>
+        <location filename="qml/chart/T_LineChart.qml" line="11"/>
         <source>Line Chart</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/example/example_zh_CN.ts b/example/example_zh_CN.ts
index e798dfc6..9699fa8f 100644
--- a/example/example_zh_CN.ts
+++ b/example/example_zh_CN.ts
@@ -1500,7 +1500,7 @@ My only desire is to be permitted to drive out the traitors and restore the Han.
 <context>
     <name>T_LineChart</name>
     <message>
-        <location filename="qml/chart/T_LineChart.qml" line="10"/>
+        <location filename="qml/chart/T_LineChart.qml" line="11"/>
         <source>Line Chart</source>
         <translation type="unfinished">线型图</translation>
     </message>
diff --git a/example/qml/chart/T_LineChart.qml b/example/qml/chart/T_LineChart.qml
index 88e92b3e..45837660 100644
--- a/example/qml/chart/T_LineChart.qml
+++ b/example/qml/chart/T_LineChart.qml
@@ -7,7 +7,9 @@ import "../component"
 
 FluScrollablePage{
 
+    id: root
     title: qsTr("Line Chart")
+    property var data : []
 
     FluFrame{
         Layout.preferredWidth: 500
@@ -15,13 +17,14 @@ FluScrollablePage{
         padding: 10
         Layout.topMargin: 20
         FluChart{
+            id: chart
             anchors.fill: parent
             chartType: 'line'
             chartData: { return {
                     labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
                     datasets: [{
                             label: 'My First Dataset',
-                            data: [65, 59, 80, 81, 56, 55, 40],
+                            data: root.data,
                             fill: false,
                             borderColor: 'rgb(75, 192, 192)',
                             tension: 0.1
@@ -41,5 +44,20 @@ FluScrollablePage{
                 }
             }
         }
+        Timer{
+            id: timer
+            interval: 300
+            repeat: true
+            onTriggered: {
+                root.data.push(Math.random()*100)
+                if(root.data.length>7){
+                    root.data.shift()
+                }
+                chart.animateToNewData()
+            }
+        }
+        Component.onCompleted: {
+            timer.restart()
+        }
     }
 }
diff --git a/src/FluTableModel.h b/src/FluTableModel.h
index e2cf8879..80e56e57 100644
--- a/src/FluTableModel.h
+++ b/src/FluTableModel.h
@@ -8,7 +8,6 @@
 
 class FluTableModel : public QAbstractTableModel {
 Q_OBJECT
-Q_PROPERTY_AUTO(int, dataSourceSize)
 Q_PROPERTY_AUTO(QList<QVariantMap>, columnSource)
 Q_PROPERTY_AUTO(QList<QVariantMap>, rows)
     Q_PROPERTY(int rowCount READ rowCount CONSTANT)