diff --git a/src/app/working-area/model/axImageShape.ts b/src/app/working-area/model/axImageShape.ts
index 2a91bd1..f8bf366 100644
--- a/src/app/working-area/model/axImageShape.ts
+++ b/src/app/working-area/model/axImageShape.ts
@@ -5,7 +5,7 @@ import { PaintMode } from './paintModel';
 import * as PIXI from 'pixi.js';
 import { PropertyInfo } from './PropertyInfo';
 import { AxShape } from './axShape';
-import { Sprite } from 'pixi.js';
+import { Sprite, Point } from 'pixi.js';
 import { AxArrowConnector } from './axArrowConnector';
 
 /**
@@ -72,11 +72,33 @@ export class AxImageShape extends AxShape {
         this.addChild(this.selectionBox);
 
         ////
+        var leftUpPos = new Point(0, 0);
+        var upLeftDrag = false;
+        var leftDownPos = new Point(0, 0);
+        var rightUpPos = new Point(0, 0);
+        var rightDownPos = new Point(0, 0);
         // up-left
         this.upLeft = new PIXI.Sprite(this.pointTexture);
         this.upLeft.anchor.set(0.5);
         this.addChild(this.upLeft);
         this.upLeft.interactive = true;
+        this.upLeft.on('pointerdown', event => {
+            event.stopPropagation();
+            upLeftDrag = true;
+            // this.pivot.set(1);
+            var imageRect = this.image.getLocalBounds();
+            rightDownPos = new Point(imageRect.right, imageRect.bottom);
+
+
+        });
+        this.upLeft.on('pointermove', event => {
+            // 移动时调整形状大小，然后重绘边框
+            // 检查右下角距离鼠标的位置，
+            event.stopPropagation();
+            leftUpPos = this.toLocal(event.data.global);
+            this.image.width = Math.abs(leftUpPos.x - rightDownPos.x);
+            this.image.height = Math.abs(leftUpPos.y - rightDownPos.y);
+        });
         this.upLeft.visible = false;
         // up-right
         this.upRight = new PIXI.Sprite(this.pointTexture);