diff --git a/designer/src/com/fr/poly/PolyComponetsBar.java b/designer/src/com/fr/poly/PolyComponetsBar.java
index 347063d9d9..41f9e6562e 100644
--- a/designer/src/com/fr/poly/PolyComponetsBar.java
+++ b/designer/src/com/fr/poly/PolyComponetsBar.java
@@ -28,6 +28,7 @@ public class PolyComponetsBar extends JToolBar {
 	private static Color FOLDER_PANE_BACKGROUND = new Color(214, 223, 247);
 	private BaseChartNameID[] typeName = BaseChartGetter.getStaticAllChartBaseNames();
 	private SerIcon[] serIcons;
+    private static final int MAX_BAR_NUM = 15;
 
 	public PolyComponetsBar() {
 		setOrientation(SwingConstants.VERTICAL);
@@ -35,10 +36,10 @@ public class PolyComponetsBar extends JToolBar {
 		setFloatable(false);
 		setBackground(UIConstants.NORMAL_BACKGROUND);
 		setLayout(FRGUIPaneFactory.create1ColumnGridLayout());
-		serIcons = new SerIcon[typeName.length + 1];
+		serIcons = new SerIcon[typeName.length < MAX_BAR_NUM ? typeName.length : MAX_BAR_NUM + 1];
 		serIcons[0] = new SerIcon(PolyECBlock.class, Inter.getLocText("Poly-Report_Block"), "Poly-Report_Block");
 		this.add(serIcons[0]);
-		for (int i = 0, len = typeName.length; i < len; i++) {
+		for (int i = 0, len = typeName.length; i < len && i < MAX_BAR_NUM; i++) {
 			BaseChart[] rowChart = BaseChartGetter.getStaticChartTypes(typeName[i].getPlotID());
 			serIcons[i + 1] = new SerIcon(rowChart[0], Inter.getLocText(typeName[i].getName()), typeName[i].getName());
 			this.add(serIcons[i + 1]);