diff --git a/designer-base/src/main/java/com/fr/design/mainframe/theme/preview/ecpreview/ECPreviewPane.java b/designer-base/src/main/java/com/fr/design/mainframe/theme/preview/ecpreview/ECPreviewPane.java
index a1cfd2c88..5f7725ffa 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/theme/preview/ecpreview/ECPreviewPane.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/theme/preview/ecpreview/ECPreviewPane.java
@@ -24,6 +24,8 @@ public class ECPreviewPane extends AbstractECPreviewPane {
     private final List<AbstractPreviewCell> headerCellList = new ArrayList<>();
     private final List<AbstractPreviewCell> contentCellList = new ArrayList<>();
     private final List<AbstractPreviewCell> highLightCellList = new ArrayList<>();
+    private static final int COL_COUNT = 5;
+    private static final int CONTENT_ROW_COUNT = 2;
 
     public ECPreviewPane() {
         this.setPreferredSize(new Dimension(517, 147));
@@ -31,7 +33,7 @@ public class ECPreviewPane extends AbstractECPreviewPane {
         this.setLayout(FRGUIPaneFactory.createBorderLayout());
         JPanel titlePane = new UINoOpaquePanel(new GridLayout());
         this.add(titlePane, BorderLayout.NORTH);
-        for (int i = 0; i < 5; i++) {
+        for (int i = 0; i < COL_COUNT; i++) {
             PreviewCell cell = new PreviewCell(Toolkit.i18nText("Fine-Design_Basic_Predefined_Style_Header"));
             cell.setPreferredSize(new Dimension(103, 36));
             titlePane.add(cell);
@@ -39,7 +41,7 @@ public class ECPreviewPane extends AbstractECPreviewPane {
         }
         JPanel contentPane = new UINoOpaquePanel(new GridLayout(2, 5, 0, 0));
         this.add(contentPane, BorderLayout.CENTER);
-        for (int i = 0; i < 10; i++) {
+        for (int i = 0; i < COL_COUNT * CONTENT_ROW_COUNT; i++) {
             PreviewCell cell = new PreviewCell(Toolkit.i18nText("Fine-Design_Basic_Predefined_Style_Main_Text"));
             cell.setPreferredSize(new Dimension(103, 33));
             contentPane.add(cell);
@@ -48,7 +50,7 @@ public class ECPreviewPane extends AbstractECPreviewPane {
 
         JPanel endPane = new UINoOpaquePanel(new GridLayout());
         this.add(endPane, BorderLayout.SOUTH);
-        for (int i = 0; i < 5; i++) {
+        for (int i = 0; i < COL_COUNT; i++) {
             PreviewCell cell = new PreviewCell(Toolkit.i18nText("Fine-Design_Basic_Predefined_Style_Highlight_Text"));
             cell.setPreferredSize(new Dimension(103, 33));
             endPane.add(cell);
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/theme/preview/ecpreview/ECReportPreviewPane.java b/designer-base/src/main/java/com/fr/design/mainframe/theme/preview/ecpreview/ECReportPreviewPane.java
index 51a7372fc..50ff6bab6 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/theme/preview/ecpreview/ECReportPreviewPane.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/theme/preview/ecpreview/ECReportPreviewPane.java
@@ -27,6 +27,8 @@ public class ECReportPreviewPane extends UINoOpaquePanel implements ThemePreview
     private final List<AbstractPreviewCell> titleCellList = new ArrayList<>();
     private final List<AbstractPreviewCell> contentCellList = new ArrayList<>();
     private final List<AbstractPreviewCell> highLightCellList = new ArrayList<>();
+    private static final int CONTENT_ROW_COUNT = 3;
+    private static final int COL_COUNT = 5;
 
     private final PreviewPane previewPane;
 
@@ -97,7 +99,7 @@ public class ECReportPreviewPane extends UINoOpaquePanel implements ThemePreview
             cell1.setPreferredSize(new Dimension(112, 153));
             westPane.add(cell1, BorderLayout.WEST);
             JPanel gridPane = new UINoOpaquePanel(new GridLayout(5, 1));
-            for (int i = 0; i < 5; i++) {
+            for (int i = 0; i < COL_COUNT; i++) {
                 PreviewCell cell = new PreviewCell(Toolkit.i18nText("Fine-Design_Basic_Predefined_Style_Header"));
                 cell.setPreferredSize(new Dimension(113, 31));
                 headerCellList.add(cell);
@@ -107,9 +109,9 @@ public class ECReportPreviewPane extends UINoOpaquePanel implements ThemePreview
 
             JPanel innerCenterPane = new UINoOpaquePanel(new GridLayout(5, 3));
             centerPane.add(innerCenterPane, BorderLayout.CENTER);
-            for (int i = 0; i < 15; i++) {
+            for (int i = 0; i < COL_COUNT * CONTENT_ROW_COUNT; i++) {
                 PreviewCell cell ;
-                if ((i + 1) % 3 == 0) {
+                if ((i + 1) % CONTENT_ROW_COUNT == 0) {
                     cell = new PreviewCell(Toolkit.i18nText("Fine-Design_Basic_Predefined_Style_Highlight_Text"));
                     highLightCellList.add(cell);
                 } else {