diff --git a/designer-form/src/main/java/com/fr/design/designer/creator/XChartEditor.java b/designer-form/src/main/java/com/fr/design/designer/creator/XChartEditor.java
index ad328b85e..eeb74155a 100644
--- a/designer-form/src/main/java/com/fr/design/designer/creator/XChartEditor.java
+++ b/designer-form/src/main/java/com/fr/design/designer/creator/XChartEditor.java
@@ -232,7 +232,14 @@ public class XChartEditor extends XBorderStyleWidgetCreator {
         Dimension size = getSize();
         PaddingMargin margin = toData().getMargin();
 
-        designerEditor.paintEditor(g, size, margin);
+        if (!isEditing) {
+            // CHART-20568 & CHART-20627
+            // EditingMouseListener#startEditing会将图表的ChartComponent放入FormDesigner, 作为编辑中的ChartComponent来显示,
+            // 同时这里又在下层绘制了一遍ChartComponent，导致图表进入编辑状态，会出现两个重叠的ChartComponent。
+            // 考虑到编辑中，FormDesigner中的ChartComponent位于上层，下层的ChartComponent实际上没什么用，所以可以不用绘制
+            // 下层的ChartComponent
+            designerEditor.paintEditor(g, size, margin);
+        }
 
         if (coverPanel != null) {
             int horizonMargin = margin != null ? margin.getLeft() + margin.getRight() : 0;
diff --git a/designer-form/src/main/java/com/fr/design/designer/creator/XCreator.java b/designer-form/src/main/java/com/fr/design/designer/creator/XCreator.java
index e82528558..87a1926cb 100644
--- a/designer-form/src/main/java/com/fr/design/designer/creator/XCreator.java
+++ b/designer-form/src/main/java/com/fr/design/designer/creator/XCreator.java
@@ -787,7 +787,7 @@ public abstract class XCreator extends JPanel implements XComponent, XCreatorToo
 		int formDesignerWidth = designer.getWidth();
 		int formDesignerHeight = designer.getHeight();
 		// 不超过可绘制区域
-		int extraX = Math.min(creatorRightX, formDesignerWidth);
+		int extraX = creatorRightX < 0 ? 0 : Math.min(creatorRightX, formDesignerWidth);
 		int extraY = creatorRightY < 0 ? 0 : Math.min(creatorRightY, formDesignerHeight);
 
 		if (designer.isFormParaDesigner() && extraY + this.getHeight() >= formDesignerHeight) {