diff --git a/.changeset/spotty-mayflies-rescue.md b/.changeset/spotty-mayflies-rescue.md
new file mode 100644
index 000000000..8d8a5eced
--- /dev/null
+++ b/.changeset/spotty-mayflies-rescue.md
@@ -0,0 +1,5 @@
+---
+'@plait/core': patch
+---
+
+return null when hover selected element
diff --git a/packages/core/src/utils/group.ts b/packages/core/src/utils/group.ts
index aa2cdb1e0..77ba0c1b1 100644
--- a/packages/core/src/utils/group.ts
+++ b/packages/core/src/utils/group.ts
@@ -176,13 +176,16 @@ export const getHighestSelectedElements = (board: PlaitBoard, elements?: PlaitEl
 };
 
 export const createGroupRectangleG = (board: PlaitBoard, elements: PlaitElement[]): SVGGElement | null => {
-    const selectedElements = getSelectedElements(board);
-    const groupRectangleG: SVGGElement = createG();
+    const selectedElementIds = getSelectedElements(board).map(item => item.id);
+    let groupRectangleG: SVGGElement | null = null;
     const isMoving = isSelectionMoving(board);
 
     elements.forEach(item => {
-        const isRender = (!selectedElements.includes(item) && !isMoving) || isMoving;
+        const isRender = (!selectedElementIds.includes(item.id) && !isMoving) || isMoving;
         if (item.groupId && isRender) {
+            if (!groupRectangleG) {
+                groupRectangleG = createG();
+            }
             const elements = getElementsInGroupByElement(board, item);
             const rectangle = getRectangleByElements(board, elements, false);
             const rectangleG = drawRectangle(board, rectangle, {