diff --git a/designer-base/src/main/java/com/fr/design/data/BasicTableDataUtils.java b/designer-base/src/main/java/com/fr/design/data/BasicTableDataUtils.java
index 57c7e23a1..c711a1999 100644
--- a/designer-base/src/main/java/com/fr/design/data/BasicTableDataUtils.java
+++ b/designer-base/src/main/java/com/fr/design/data/BasicTableDataUtils.java
@@ -11,7 +11,7 @@ import com.fr.stable.StringUtils;
  * Created by hades on 2020/4/27
  */
 public abstract class BasicTableDataUtils {
-    private static final String SEPARATOR = "-";
+    private static final String SEPARATOR = "_";
 
     private static final int LEN = 2;
 
diff --git a/designer-base/src/main/java/com/fr/design/data/datapane/preview/CopyableJTable.java b/designer-base/src/main/java/com/fr/design/data/datapane/preview/CopyableJTable.java
index eb8d188a1..a452a4d37 100644
--- a/designer-base/src/main/java/com/fr/design/data/datapane/preview/CopyableJTable.java
+++ b/designer-base/src/main/java/com/fr/design/data/datapane/preview/CopyableJTable.java
@@ -106,6 +106,7 @@ public class CopyableJTable extends SortableJTable {
                     self.updateEndPoint(-1, column);
                     self.refreshTable();
                 }
+                self.requestFocusInWindow();
             }
 
             private int getColumn(MouseEvent e) {
@@ -249,26 +250,9 @@ public class CopyableJTable extends SortableJTable {
         FineLoggerFactory.getLogger().info("copy cell value");
         java.util.List<java.util.List<Object>> table = new ArrayList<>();
         if ((startRow != endRow || startCol != endCol) && Math.min(startCol, endCol) > -1) {
-            for (int i = Math.min(startRow, endRow); i <= Math.max(startRow, endRow); i++) {
-                table.add(new ArrayList<>());
-                for (int j = Math.min(startCol, endCol); j <= Math.max(startCol, endCol); j++) {
-                    Object text = this.getTableValue(i, j);
-                    table.get(table.size() - 1).add(text);
-                }
-            }
+            copyAreaData(table);
         } else if (pointList.size() > 0) {
-            Collections.sort(pointList, Comparator.comparing(Point::getX).thenComparing(Point::getY));
-            int startRow = pointList.get(0).x;
-            int currentRow = startRow;
-            table.add(new ArrayList<>());
-            for (Point point : pointList) {
-                while (currentRow < point.x) {
-                    table.add(new ArrayList<>());
-                    currentRow++;
-                }
-                Object text = this.getTableValue(point.x, point.y);
-                table.get(table.size() - 1).add(text);
-            }
+            copyPointsData(table);
         }
 
         Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();
@@ -276,6 +260,35 @@ public class CopyableJTable extends SortableJTable {
         clip.setContents(tText, null);
     }
 
+    private void copyAreaData(java.util.List<java.util.List<Object>> table) {
+        for (int i = Math.min(startRow, endRow); i <= Math.max(startRow, endRow); i++) {
+            table.add(new ArrayList<>());
+            for (int j = Math.min(startCol, endCol); j <= Math.max(startCol, endCol); j++) {
+                Object text = this.getTableValue(i, j);
+                if (text != null) {
+                    table.get(table.size() - 1).add(text);
+                }
+            }
+        }
+    }
+
+    private void copyPointsData(java.util.List<java.util.List<Object>> table) {
+        Collections.sort(pointList, Comparator.comparing(Point::getX).thenComparing(Point::getY));
+        int startRow = pointList.get(0).x;
+        int currentRow = startRow;
+        table.add(new ArrayList<>());
+        for (Point point : pointList) {
+            while (currentRow < point.x) {
+                table.add(new ArrayList<>());
+                currentRow++;
+            }
+            Object text = this.getTableValue(point.x, point.y);
+            if (text != null) {
+                table.get(table.size() - 1).add(text);
+            }
+        }
+    }
+
     private Object getTableValue(int row, int col) {
         Object value = null;
         if (col > -1) {