diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/form/FormElementCaseDesigner.java b/designer-realize/src/main/java/com/fr/design/mainframe/form/FormElementCaseDesigner.java
index 5be6362a4d..e2af5b36f2 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/form/FormElementCaseDesigner.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/form/FormElementCaseDesigner.java
@@ -3,6 +3,8 @@
  */
 package com.fr.design.mainframe.form;
 
+import com.fr.base.DynamicUnitList;
+import com.fr.base.GraphHelper;
 import com.fr.base.vcs.DesignerMode;
 import com.fr.design.DesignState;
 import com.fr.design.actions.AllowAuthorityEditAction;
@@ -31,13 +33,18 @@ import com.fr.design.selection.SelectionListener;
 import com.fr.form.FormElementCaseProvider;
 import com.fr.form.main.Form;
 import com.fr.grid.Grid;
+import com.fr.grid.GridUtils;
 import com.fr.grid.selection.CellSelection;
 import com.fr.grid.selection.Selection;
 import com.fr.log.FineLoggerFactory;
+import com.fr.report.ReportHelper;
 import com.fr.report.cell.CellElement;
+import com.fr.report.elementcase.ElementCase;
 import com.fr.report.elementcase.TemplateElementCase;
 import com.fr.report.worksheet.FormElementCase;
 import com.fr.report.worksheet.WorkSheet;
+import com.fr.stable.ColumnRow;
+import com.fr.stable.Constants;
 
 import javax.swing.JComponent;
 import javax.swing.JPanel;
@@ -122,16 +129,23 @@ public class FormElementCaseDesigner
     }
 
     /**
-     * 获取当前ElementCase的缩略图
+     * 获取当前ElementCase的缩略图， 缩略图中包含所有有内容的单元格
      *
      * @param size 缩略图的大小
      */
     @Override
     public BufferedImage getElementCaseImage(Dimension size) {
+        Grid grid = this.elementCasePane != null ? this.elementCasePane.getGrid() : null;
+        if (grid == null) {
+            return new BufferedImage(0, 0, BufferedImage.TYPE_INT_RGB);
+        }
+
+        resetGrid(grid);
+
         BufferedImage image = null;
         try {
-            int width = size.width;
-            int height = size.height;
+            int width = Math.max(grid.getWidth(), size.width);
+            int height = Math.max(grid.getHeight(), size.width);
 
             // 使用TYPE_INT_RGB和new Color(255, 255, 255, 1)设置有透明背景buffer image,
             // 使得创建出来的透明像素是(255, 255, 255, 1)，而不是(0, 0, 0, 0)
@@ -147,19 +161,16 @@ public class FormElementCaseDesigner
             // 使得创建出来的透明像素是(255, 255, 255, 1)，而不是(0, 0, 0, 0)
             // 这样不支持透明通道缩略图的旧设计器打开新设计器创建的模版时，就不会创建出拥有黑色背景的缩略图
             g2d.setColor(new Color(255, 255, 255, 1));
-            g2d.fillRect(0, 0, (int) size.getWidth(), (int) size.getHeight());
-
-            Grid grid = this.elementCasePane != null ? this.elementCasePane.getGrid() : null;
-            if (grid != null) {
-                boolean oldTranslucent = grid.isTranslucent();
-                boolean oldShowExtraGridLine = grid.isShowExtraGridLine();
-                // 截缩图图时grid需支持半透明，不能用默认白色填充画布，否则会遮挡组件样式背景
-                grid.setTranslucent(true);
-                grid.setShowExtraGridLine(false);
-                grid.paint(g2d);
-                grid.setTranslucent(oldTranslucent);
-                grid.setShowExtraGridLine(oldShowExtraGridLine);
-            }
+            g2d.fillRect(0, 0, width, height);
+
+            boolean oldTranslucent = grid.isTranslucent();
+            boolean oldShowExtraGridLine = grid.isShowExtraGridLine();
+            // 截缩图图时grid需支持半透明，不能用默认白色填充画布，否则会遮挡组件样式背景
+            grid.setTranslucent(true);
+            grid.setShowExtraGridLine(false);
+            grid.paint(g2d);
+            grid.setTranslucent(oldTranslucent);
+            grid.setShowExtraGridLine(oldShowExtraGridLine);
 
         } catch (Exception e) {
             FineLoggerFactory.getLogger().error(e.getMessage(), e);
@@ -168,6 +179,33 @@ public class FormElementCaseDesigner
         return image;
     }
 
+    private void resetGrid(Grid grid) {
+        grid.setVerticalValue(0);
+        grid.setHorizontalValue(0);
+
+        FormElementCasePaneDelegate reportPane = getEditingElementCasePane();
+        ColumnRow lastColumnRow = GridUtils.getAdjustLastColumnRowOfReportPane(reportPane);
+
+        int lastColumn = lastColumnRow.getColumn();
+        int lastRow = lastColumnRow.getRow();
+
+        grid.setVerticalExtent(lastRow);
+        grid.setHorizontalExtent(lastColumn);
+
+        ElementCase report = reportPane.getEditingElementCase();
+        DynamicUnitList rowHeightList = ReportHelper.getRowHeightList(report);
+        DynamicUnitList columnWidthList = ReportHelper.getColumnWidthList(report);
+
+        int resolution = grid.getResolution();
+        int width = columnWidthList.getRangeValueFromZero(lastColumn).toPixI(resolution);
+        int height = rowHeightList.getRangeValueFromZero(lastRow).toPixI(resolution);
+
+        int gridLineWidth = GraphHelper.getLineStyleSize(Constants.LINE_THIN);
+        grid.setSize(width + gridLineWidth, height + gridLineWidth);
+
+        grid.updateUI();
+    }
+
     /**
      * 刷新右侧属性面板
      */