diff --git a/__tests__/snapshot/core/examples/features/image.html.jpg b/__tests__/snapshot/core/examples/features/image.html.jpg
index 74be356..0b71d94 100644
Binary files a/__tests__/snapshot/core/examples/features/image.html.jpg and b/__tests__/snapshot/core/examples/features/image.html.jpg differ
diff --git a/__tests__/snapshot/core/examples/features/svg.html.jpg b/__tests__/snapshot/core/examples/features/svg.html.jpg
index 68a45cc..306d5bd 100644
Binary files a/__tests__/snapshot/core/examples/features/svg.html.jpg and b/__tests__/snapshot/core/examples/features/svg.html.jpg differ
diff --git a/packages/core/examples/features/lib/data/circle.js b/packages/core/examples/features/lib/data/circle.js
index 846973f..3560f7a 100644
--- a/packages/core/examples/features/lib/data/circle.js
+++ b/packages/core/examples/features/lib/data/circle.js
@@ -9,9 +9,6 @@ const data = {
       w: 200,
       h: 100,
       type: 'circle',
-      borderRadius: 20,
-      borderWidth: 10,
-      borderColor: '#bd0b64',
       desc: {
         color: '#f0f0f0',
       }
@@ -24,9 +21,6 @@ const data = {
       h: 120,
       // angle: 30,
       type: 'rect',
-      borderRadius: 60,
-      borderWidth: 10,
-      borderColor: '#bd0b64',
       desc: {
         color: '#cccccc',
       }
@@ -39,9 +33,6 @@ const data = {
       h: 20,
       type: 'rect',
       angle: 80,
-      borderRadius: 20,
-      borderWidth: 10,
-      borderColor: '#bd0b64',
       desc: {
         color: '#c0c0c0',
       }
@@ -53,9 +44,6 @@ const data = {
       w: 200,
       h: 100,
       type: 'rect',
-      borderRadius: 20,
-      borderWidth: 10,
-      borderColor: '#bd0b64',
       desc: {
         color: '#e0e0e0',
       }
diff --git a/packages/core/examples/features/lib/data/rect.js b/packages/core/examples/features/lib/data/rect.js
index 8c2f8ca..3dd6fea 100644
--- a/packages/core/examples/features/lib/data/rect.js
+++ b/packages/core/examples/features/lib/data/rect.js
@@ -9,11 +9,11 @@ const data = {
       w: 200,
       h: 100,
       type: 'rect',
-      borderRadius: 20,
-      borderWidth: 10,
-      borderColor: '#bd0b64',
       desc: {
         color: '#f0f0f0',
+        borderRadius: 20,
+        borderWidth: 10,
+        borderColor: '#bd0b64',
       }
     },
     {
@@ -24,11 +24,11 @@ const data = {
       h: 120,
       // angle: 30,
       type: 'rect',
-      borderRadius: 60,
-      borderWidth: 10,
-      borderColor: '#bd0b64',
       desc: {
         color: '#cccccc',
+        borderRadius: 60,
+        borderWidth: 10,
+        borderColor: '#bd0b64',
       }
     },
     {
@@ -39,11 +39,11 @@ const data = {
       h: 20,
       type: 'rect',
       angle: 80,
-      borderRadius: 20,
-      borderWidth: 10,
-      borderColor: '#bd0b64',
       desc: {
         color: '#c0c0c0',
+        borderRadius: 20,
+        borderWidth: 10,
+        borderColor: '#bd0b64',
       }
     },
     {
@@ -53,11 +53,11 @@ const data = {
       w: 200,
       h: 100,
       type: 'rect',
-      borderRadius: 20,
-      borderWidth: 10,
-      borderColor: '#bd0b64',
       desc: {
         color: '#e0e0e0',
+        borderRadius: 20,
+        borderWidth: 10,
+        borderColor: '#bd0b64',
       }
     }
   ]
diff --git a/packages/core/examples/features/lib/data/text.js b/packages/core/examples/features/lib/data/text.js
index a740781..0b4891a 100644
--- a/packages/core/examples/features/lib/data/text.js
+++ b/packages/core/examples/features/lib/data/text.js
@@ -9,14 +9,14 @@ const data = {
       w: 200,
       h: 100,
       type: 'text',
-      borderRadius: 20,
-      borderWidth: 2,
-      borderColor: '#bd0b64',
       desc: {
         fontSize: 20,
         color: '#333333',
         text: '生活就像海洋，只有意志坚强的人，才能到达彼岸。',
-        fontFamily: ''
+        fontFamily: '',
+        borderRadius: 20,
+        borderWidth: 2,
+        borderColor: '#bd0b64',
       }
     },
     {
@@ -27,13 +27,13 @@ const data = {
       h: 120,
       // angle: 30,
       type: 'text',
-      borderRadius: 60,
-      borderWidth: 10,
-      borderColor: '#bd0b64',
       desc: {
         fontSize: 20,
         text: 'Hello Text',
         color: '#666666',
+        borderRadius: 60,
+        borderWidth: 10,
+        borderColor: '#bd0b64',
       }
     },
     {
@@ -43,15 +43,15 @@ const data = {
       w: 200,
       h: 100,
       type: 'text',
-      borderRadius: 20,
-      borderWidth: 2,
-      borderColor: '#bd0b64',
       desc: {
         fontSize: 20,
         color: '#333333',
         text: '生活就像海洋，只有意志坚强的人，才能到达彼岸。',
         fontFamily: '',
         textAlign: 'right',
+        borderRadius: 20,
+        borderWidth: 2,
+        borderColor: '#bd0b64',
       }
     },
     {
@@ -61,15 +61,15 @@ const data = {
       w: 200,
       h: 100,
       type: 'text',
-      borderRadius: 20,
-      borderWidth: 2,
-      borderColor: '#bd0b64',
       desc: {
         fontSize: 20,
         color: '#333333',
         text: '生活就像海洋，只有意志坚强的人，才能到达彼岸。',
         fontFamily: '',
         textAlign: 'left',
+        borderRadius: 20,
+        borderWidth: 2,
+        borderColor: '#bd0b64',
       }
     }
   ]
diff --git a/packages/core/examples/features/lib/main.js b/packages/core/examples/features/lib/main.js
index a3e5d38..123788e 100644
--- a/packages/core/examples/features/lib/main.js
+++ b/packages/core/examples/features/lib/main.js
@@ -19,6 +19,23 @@ const core = new Core(mount, {
 });
 
 
+core.on('error', (data) => {
+  console.log('error: ', data);
+});
+core.on('screenSelectElement', (data) => {
+  console.log('screenSelectElement: ', data);
+});
+core.on('screenMoveElementStart', (data) => {
+  console.log('screenMoveElementStart: ', data);
+});
+core.on('screenMoveElementEnd', (data) => {
+  console.log('screenMoveElementEnd: ', data);
+});
+core.on('screenChangeElement', (data) => {
+  console.log('screenChangeElement: ', data);
+});
+
+
 core.setData(data);
 core.draw();
 
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index e70b752..1e29fbd 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -1,10 +1,19 @@
-import { TypeData, TypePoint, TypeHelperWrapperDotDirection, TypeConfig, TypeConfigStrict } from '@idraw/types';
+import {
+  TypeData,
+  TypePoint,
+  TypeHelperWrapperDotDirection,
+  TypeConfig,
+  TypeConfigStrict,
+  TypeElement,
+  TypeElemDesc
+}  from '@idraw/types';
 import Board from '@idraw/board';
 import util from '@idraw/util';
 import { Renderer } from './lib/renderer';
 import { Element } from './lib/element';
 import { Helper } from './lib/helper';
 import { mergeConfig } from './lib/config';
+import { CoreEvent, TypeCoreEventArgMap } from './lib/core-event';
 
 const { time } = util;
 const { deepClone } = util.data;
@@ -34,6 +43,7 @@ const _mode = Symbol('_mode');
 const _selectedUUID = Symbol('_selectedUUID');
 const _prevPoint = Symbol('_prevPoint');
 const _selectedDotDirection = Symbol('_selectedDotDirection');
+const _coreEvent = Symbol('_coreEvent');
 
 class Core {
 
@@ -46,6 +56,7 @@ class Core {
   private [_helper]: Helper;
   private [_hasInited] = false; 
   private [_mode]: Mode = Mode.NULL;
+  private [_coreEvent]: CoreEvent = new CoreEvent();
 
   private [_selectedUUID]: string | null = null;
   private [_prevPoint]: TypePoint | null = null;
@@ -67,7 +78,7 @@ class Core {
     this[_helper].updateConfig(this[_data], {
       selectedUUID: this[_selectedUUID],
       devicePixelRatio: this[_opts].devicePixelRatio,
-      scale: this[_board].getTransform().scale // TODO
+      scale: this[_board].getTransform().scale,
     });
     this[_renderer].render(this[_data], this[_helper].getConfig());
   }
@@ -126,6 +137,27 @@ class Core {
 
   setData(data: TypeData): void {
     this[_data] = this[_element].initData(deepClone(data));
+    this.draw();
+  }
+
+  updateElement(elem: TypeElement<keyof TypeElemDesc>) {
+    const _elem  = deepClone(elem) as TypeElement<keyof TypeElemDesc>;
+    const data = this[_data];
+    for (let i = 0; i < data.elements.length; i++) {
+      if (_elem.uuid === data.elements[i]?.uuid) {
+        data.elements[i] = _elem;
+        break;
+      }
+    }
+    this.draw();
+  }
+
+  on<T extends keyof TypeCoreEventArgMap >(key: T, callback: (p: TypeCoreEventArgMap[T]) => void) {
+    this[_coreEvent].on(key, callback);
+  }
+
+  off<T extends keyof TypeCoreEventArgMap >(key: T, callback: (p: TypeCoreEventArgMap[T]) => void) {
+    this[_coreEvent].off(key, callback);
   }
 
   private _initEvent(): void {
@@ -149,12 +181,27 @@ class Core {
     } else {
       const [index] = this[_element].isPointInElement(point, this[_data]);
       this.selectElement(index);
+      if (typeof uuid === 'string') {
+        this[_coreEvent].trigger(
+          'screenSelectElement', 
+          { index, uuid, element: deepClone(this[_data].elements?.[index])}
+        );
+      }
     }
     this.draw();
   }
 
   private _handleMoveStart(point: TypePoint): void {
     this[_prevPoint] = point;
+    const uuid = this[_selectedUUID];
+    if (typeof uuid === 'string') {
+      this[_coreEvent].trigger('screenMoveElementStart', {
+        index: this[_element].getElementIndex(this[_data], uuid),
+        uuid,
+        x: point.x,
+        y: point.y
+      });
+    }
   }
 
   private _handleMove(point: TypePoint): void {
@@ -164,13 +211,44 @@ class Core {
         this.draw();
       } else if (this[_mode] === Mode.SELECT_ELEMENT_WRAPPER_DOT && this[_selectedDotDirection]) {
         this._transfromElement(this[_selectedUUID] as string, point, this[_prevPoint], this[_selectedDotDirection] as TypeHelperWrapperDotDirection);
+        
+        // const changeData = this._transfromElement(this[_selectedUUID] as string, point, this[_prevPoint], this[_selectedDotDirection] as TypeHelperWrapperDotDirection);
+        // const uuid = this[_selectedUUID];
+        // if (changeData && typeof uuid === 'string') {
+        //   this[_coreEvent].trigger('screenChangeElement', {
+        //     index: this[_element].getElementIndex(this[_data], uuid),
+        //     uuid,
+        //     width: changeData.width,
+        //     height: changeData.height,
+        //     angle: changeData.angle
+        //   })
+        // }
       }
     }
-    
     this[_prevPoint] = point;
   }
 
-  private _handleMoveEnd(): void {
+  private _handleMoveEnd(point: TypePoint): void {
+    const uuid = this[_selectedUUID];
+    if (typeof uuid === 'string') {
+      const index = this[_element].getElementIndex(this[_data], uuid);
+      const elem = this[_data].elements[index];
+      if (elem) {
+        this[_coreEvent].trigger('screenMoveElementEnd', {
+          index,
+          uuid,
+          x: point.x,
+          y: point.y
+        });
+        this[_coreEvent].trigger('screenChangeElement', {
+          index,
+          uuid,
+          width: elem.w,
+          height: elem.h,
+          angle: elem.angle || 0
+        });
+      }
+    }
     this[_selectedUUID] = null;
     this[_prevPoint] = null;
   }
@@ -183,12 +261,19 @@ class Core {
     this.draw();
   }
 
-  private _transfromElement(uuid: string, point: TypePoint, prevPoint: TypePoint|null, direction: TypeHelperWrapperDotDirection) {
+  private _transfromElement(
+    uuid: string, point: TypePoint, prevPoint: TypePoint|null, direction: TypeHelperWrapperDotDirection
+  ): null | {
+    width: number,
+    height: number,
+    angle: number,
+  } {
     if (!prevPoint) {
-      return;
+      return null;
     }
-    this[_element].transformElement(this[_data], uuid, point, prevPoint, this[_board].getContext().getTransform().scale, direction);
+    const result = this[_element].transformElement(this[_data], uuid, point, prevPoint, this[_board].getContext().getTransform().scale, direction);
     this.draw();
+    return result;
   }
 }
 
diff --git a/packages/core/src/lib/core-event.ts b/packages/core/src/lib/core-event.ts
new file mode 100644
index 0000000..5ac275f
--- /dev/null
+++ b/packages/core/src/lib/core-event.ts
@@ -0,0 +1,82 @@
+import {
+  TypeElement,
+  TypeElemDesc,
+  TypePoint
+} from '@idraw/types';
+
+export type TypeCoreEventSelectBaseArg = {
+  index: number;
+  uuid: string;
+}
+
+export type TypeCoreEventArgMap  = {
+  'error': any;
+  'screenSelectElement': TypeCoreEventSelectBaseArg & { element: TypeElement<keyof TypeElemDesc> }
+  'screenMoveElementStart': TypeCoreEventSelectBaseArg & TypePoint,
+  'screenMoveElementEnd': TypeCoreEventSelectBaseArg & TypePoint,
+  'screenChangeElement': TypeCoreEventSelectBaseArg & { width: number, height: number, angle: number};
+}
+ 
+export interface TypeCoreEvent {
+  on<T extends keyof TypeCoreEventArgMap >(key: T, callback: (p: TypeCoreEventArgMap[T]) => void): void
+  off<T extends keyof TypeCoreEventArgMap >(key: T, callback: (p: TypeCoreEventArgMap[T]) => void): void
+  trigger<T extends keyof TypeCoreEventArgMap >(key: T, p: TypeCoreEventArgMap[T]): void
+}
+
+
+export class CoreEvent implements TypeCoreEvent {
+
+  private _listeners: Map<string, ((p: any) => void)[]>;
+
+  constructor() {
+    this._listeners = new Map();
+  }
+
+  on<T extends keyof TypeCoreEventArgMap >(eventKey: T, callback: (p: TypeCoreEventArgMap[T]) => void) {
+    if (this._listeners.has(eventKey)) {
+      const callbacks = this._listeners.get(eventKey);
+      callbacks?.push(callback);
+      this._listeners.set(eventKey, callbacks || []);
+    } else {
+      this._listeners.set(eventKey, [callback]);
+    }
+  }
+  
+  off<T extends keyof TypeCoreEventArgMap >(eventKey: T, callback: (p: TypeCoreEventArgMap[T]) => void) {
+    if (this._listeners.has(eventKey)) {
+      const callbacks = this._listeners.get(eventKey);
+      if (Array.isArray(callbacks)) {
+        for (let i = 0; i < callbacks?.length; i++) {
+          if (callbacks[i] === callback) {
+            callbacks.splice(i, 1);
+            break;
+          }
+        }
+      }
+      this._listeners.set(eventKey, callbacks || []);
+    }
+  }
+
+  trigger<T extends keyof TypeCoreEventArgMap >(eventKey: T, arg: TypeCoreEventArgMap[T]) {
+    const callbacks = this._listeners.get(eventKey);
+    if (Array.isArray(callbacks)) {
+      callbacks.forEach((cb) => {
+        cb(arg);
+      });
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  has<T extends keyof TypeCoreEventArgMap> (name: string) {
+    if (this._listeners.has(name)) {
+      const list: ((p: TypeCoreEventArgMap[T]) => void)[] | undefined = this._listeners.get(name);
+      if (Array.isArray(list) && list.length > 0) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+}
\ No newline at end of file
diff --git a/packages/core/src/lib/draw/base.ts b/packages/core/src/lib/draw/base.ts
index 01bf051..61cdb14 100644
--- a/packages/core/src/lib/draw/base.ts
+++ b/packages/core/src/lib/draw/base.ts
@@ -1,6 +1,6 @@
 import {
   TypeContext,
-  TypeElemDesc,
+  // TypeElemDesc,
   TypeElement,
 } from '@idraw/types';
 import util from '@idraw/util';
@@ -21,14 +21,14 @@ export function drawBgColor(ctx: TypeContext, color: string) {
 
 export function drawBox(
   ctx: TypeContext,
-  elem: TypeElement<keyof TypeElemDesc>,
+  elem: TypeElement<'text' | 'rect'>,
   pattern: string | CanvasPattern | null,
 ): void {
   clearContext(ctx);
   drawBoxBorder(ctx, elem);
   rotateElement(ctx, elem, () => {
     const { x, y, w, h } = elem;
-    let r: number = elem.borderRadius || 0;
+    let r: number = elem.desc.borderRadius || 0;
     r = Math.min(r, w / 2, h / 2);
     if (w < r * 2 || h < r * 2) {
       r = 0;
@@ -52,24 +52,24 @@ export function drawBox(
 
 export function drawBoxBorder(
   ctx: TypeContext,
-  elem: TypeElement<keyof TypeElemDesc>,
+  elem: TypeElement<'text'|'rect'>,
 ): void {
   clearContext(ctx);
   rotateElement(ctx, elem, () => {
-    if (!(elem.borderWidth && elem.borderWidth > 0)) {
+    if (!(elem.desc.borderWidth && elem.desc.borderWidth > 0)) {
       return;
     }
-    let bw = elem.borderWidth;
+    let bw = elem.desc.borderWidth;
     let borderColor: string = '#000000';
-    if (color.isColorStr(elem.borderColor) === true) {
-      borderColor = elem.borderColor as string;
+    if (color.isColorStr(elem.desc.borderColor) === true) {
+      borderColor = elem.desc.borderColor as string;
     }
     const x = elem.x - bw / 2;
     const y = elem.y - bw / 2;
     const w = elem.w + bw;
     const h = elem.h + bw;
 
-    let r: number = elem.borderRadius || 0;
+    let r: number = elem.desc.borderRadius || 0;
     r = Math.min(r, w / 2, h / 2);
     if (r < w / 2 && r < h / 2) {
       r = r + bw / 2
diff --git a/packages/core/src/lib/draw/image.ts b/packages/core/src/lib/draw/image.ts
index a691058..73d0b71 100644
--- a/packages/core/src/lib/draw/image.ts
+++ b/packages/core/src/lib/draw/image.ts
@@ -1,23 +1,55 @@
-
 import {
-  TypeContext, 
+  TypeContext,
   TypeElement,
-  TypeHelperConfig,
+  TypeElemDesc,
+  // TypePoint,
 } from '@idraw/types';
+import { rotateElement } from '../transform';
 import Loader from '../loader';
-import { drawBox } from './base';
+ 
 
-export function drawImage(
+export function drawImage<T extends keyof TypeElemDesc>(
   ctx: TypeContext,
-  elem: TypeElement<'image'>,
+  elem: TypeElement<T>,
   loader: Loader,
-  helperConfig: TypeHelperConfig
 ) {
-  const content = loader.getPattern(elem, {
-    forceUpdate: helperConfig?.selectedElementWrapper?.uuid === elem.uuid
+  // const desc = elem.desc as TypeElemDesc['rect'];
+  const content = loader.getContent(elem.uuid);
+  rotateElement(ctx, elem, () => {
+    // ctx.setFillStyle(desc.color);
+    // ctx.fillRect(elem.x, elem.y, elem.w, elem.h);
+    if (content) {
+      // ctx.drawImage(content, 0, 0, elem.w, elem.h, elem.x, elem.y, elem.w, elem.h);
+      ctx.drawImage(content, elem.x, elem.y, elem.w, elem.h);
+    }
   });
-  drawBox(ctx, elem, content);
 }
 
+
+
+// import {
+//   TypeContext, 
+//   TypeElement,
+//   TypeHelperConfig,
+//   TypeElemDesc,
+// } from '@idraw/types';
+// import Loader from '../loader';
+// import { drawBox } from './base';
+
+// export function drawImage(
+//   ctx: TypeContext,
+//   elem: TypeElement<'image'>,
+//   loader: Loader,
+//   helperConfig: TypeHelperConfig
+// ) {
+//   const content = loader.getPattern(elem, {
+//     forceUpdate: helperConfig?.selectedElementWrapper?.uuid === elem.uuid
+//   });
+//   drawBox(ctx, elem, content);
+// }
+
+
+
+
  
 
diff --git a/packages/core/src/lib/draw/index.ts b/packages/core/src/lib/draw/index.ts
index 69179dc..d9d33b5 100644
--- a/packages/core/src/lib/draw/index.ts
+++ b/packages/core/src/lib/draw/index.ts
@@ -26,8 +26,6 @@ export function drawContext(
   const size = ctx.getSize();
   ctx.clearRect(0, 0, size.width, size.height);
 
-  drawElementWrapper(ctx, helperConfig);
-
   if (typeof data.bgColor === 'string' && isColorStr(data.bgColor)) {
     drawBgColor(ctx, data.bgColor);
   }
@@ -43,11 +41,11 @@ export function drawContext(
         break;
       }
       case 'image': {
-        drawImage(ctx, elem as TypeElement<'image'>, loader, helperConfig);
+        drawImage(ctx, elem as TypeElement<'image'>, loader);
         break;
       }
       case 'svg': {
-        drawSVG(ctx, elem as TypeElement<'svg'>, loader, helperConfig);
+        drawSVG(ctx, elem as TypeElement<'svg'>, loader);
         break;
       }
       default: {
@@ -56,5 +54,6 @@ export function drawContext(
       }
     }
   }
+  drawElementWrapper(ctx, helperConfig);
 }
 
diff --git a/packages/core/src/lib/draw/svg.ts b/packages/core/src/lib/draw/svg.ts
index a182151..9555057 100644
--- a/packages/core/src/lib/draw/svg.ts
+++ b/packages/core/src/lib/draw/svg.ts
@@ -1,22 +1,48 @@
 import {
   TypeContext, 
   TypeElement,
-  TypeHelperConfig,
+  TypeElemDesc,
 } from '@idraw/types';
+import { rotateElement } from '../transform';
 import Loader from '../loader';
-import { drawBox } from './base';
+ 
 
-export function drawSVG(
+export function drawSVG<T extends keyof TypeElemDesc>(
   ctx: TypeContext,
-  elem: TypeElement<'svg'>,
+  elem: TypeElement<T>,
   loader: Loader,
-  helperConfig: TypeHelperConfig
 ) {
-  const content = loader.getPattern(elem, {
-    forceUpdate: helperConfig?.selectedElementWrapper?.uuid === elem.uuid
+  // const desc = elem.desc as TypeElemDesc['rect'];
+  const content = loader.getContent(elem.uuid);
+  rotateElement(ctx, elem, () => {
+    // ctx.setFillStyle(desc.color);
+    // ctx.fillRect(elem.x, elem.y, elem.w, elem.h);
+    if (content) {
+      // ctx.drawImage(content, 0, 0, elem.w, elem.h, elem.x, elem.y, elem.w, elem.h);
+      ctx.drawImage(content, elem.x, elem.y, elem.w, elem.h);
+    }
   });
-  drawBox(ctx, elem, content);
 }
 
+// import {
+//   TypeContext, 
+//   TypeElement,
+//   TypeHelperConfig,
+// } from '@idraw/types';
+// import Loader from '../loader';
+// import { drawBox } from './base';
+
+// export function drawSVG(
+//   ctx: TypeContext,
+//   elem: TypeElement<'svg'>,
+//   loader: Loader,
+//   helperConfig: TypeHelperConfig
+// ) {
+//   const content = loader.getPattern(elem, {
+//     forceUpdate: helperConfig?.selectedElementWrapper?.uuid === elem.uuid
+//   });
+//   drawBox(ctx, elem, content);
+// }
+
  
 
diff --git a/packages/core/src/lib/element.ts b/packages/core/src/lib/element.ts
index 4ed2532..cb467bb 100644
--- a/packages/core/src/lib/element.ts
+++ b/packages/core/src/lib/element.ts
@@ -34,7 +34,12 @@ export class Element {
     let uuid = null;
     for (let i = data.elements.length - 1; i >= 0; i--) {
       const ele = data.elements[i];
-      const bw = ele.borderWidth || 0;
+      let bw = 0;
+      // @ts-ignore
+      if (ele.desc?.borderWidth > 0) {
+        // @ts-ignore
+        bw = ele.desc.borderWidth;
+      }
 
       rotateElement(ctx, ele, () => {
         ctx.beginPath();
@@ -70,10 +75,21 @@ export class Element {
     data.elements[index].y += (moveY / scale);
   }
 
-  transformElement(data: TypeData, uuid: string, point: TypePoint, prevPoint: TypePoint, scale: number, direction: TypeHelperWrapperDotDirection): void {
+  transformElement(
+    data: TypeData,
+    uuid: string,
+    point: TypePoint,
+    prevPoint: TypePoint,
+    scale: number,
+    direction: TypeHelperWrapperDotDirection
+  ): null | {
+    width: number,
+    height: number,
+    angle: number,
+  } {
     const index = this.getElementIndex(data, uuid);
     if (!data.elements[index]) {
-      return;
+      return null;
     }
     const moveX = (point.x - prevPoint.x) / scale;
     const moveY = (point.y - prevPoint.y) / scale;
@@ -149,6 +165,12 @@ export class Element {
         break;
       }
     }
+
+    return {
+      width: elem.w,
+      height: elem.h,
+      angle: elem.angle || 0,
+    }
   }
 
   getElementIndex(data: TypeData, uuid: string): number {
diff --git a/packages/core/src/lib/helper.ts b/packages/core/src/lib/helper.ts
index 7076b64..f53b449 100644
--- a/packages/core/src/lib/helper.ts
+++ b/packages/core/src/lib/helper.ts
@@ -103,53 +103,48 @@ export class Helper implements TypeHelper {
     const lineWidth = this._coreConfig.elementWrapper.lineWidth / scale;
     const lineDash = this._coreConfig.elementWrapper.lineDash.map(n => (n / scale));
     const rotateLimit = 12;
-    const borderWidth = elem.borderWidth || 0; 
-    // if (!(
-    //   elem.x - dotSize - borderWidth > 0 
-    //   && elem.y - dotSize - borderWidth > 0
-    //   && elem.x - dotSize - borderWidth > 0)) {
-    //   return;
-    // }
+    // @ts-ignore
+    const bw = elem.desc?.borderWidth || 0;  
     
     const wrapper: TypeHelperConfig['selectedElementWrapper'] = {
       uuid,
       dotSize: dotSize,
       dots: {
         topLeft: {
-          x: elem.x - dotSize - borderWidth,
-          y: elem.y - dotSize - borderWidth,
+          x: elem.x - dotSize - bw,
+          y: elem.y - dotSize - bw,
         },
         top: {
           x: elem.x + elem.w / 2,
-          y: elem.y - dotSize - borderWidth,
+          y: elem.y - dotSize - bw,
         },
         topRight: {
-          x: elem.x + elem.w + dotSize + borderWidth,
-          y: elem.y - dotSize - borderWidth,
+          x: elem.x + elem.w + dotSize + bw,
+          y: elem.y - dotSize - bw,
         },
         right: {
-          x: elem.x + elem.w + dotSize + borderWidth,
+          x: elem.x + elem.w + dotSize + bw,
           y: elem.y + elem.h / 2,
         },
         bottomRight: {
-          x: elem.x + elem.w + dotSize + borderWidth,
-          y: elem.y + elem.h + dotSize + borderWidth,
+          x: elem.x + elem.w + dotSize + bw,
+          y: elem.y + elem.h + dotSize + bw,
         },
         bottom: {
           x: elem.x + elem.w / 2,
-          y: elem.y + elem.h + dotSize + borderWidth,
+          y: elem.y + elem.h + dotSize + bw,
         },
         bottomLeft: {
-          x: elem.x - dotSize - borderWidth,
-          y: elem.y + elem.h + dotSize + borderWidth,
+          x: elem.x - dotSize - bw,
+          y: elem.y + elem.h + dotSize + bw,
         },
         left: {
-          x: elem.x - dotSize - borderWidth,
+          x: elem.x - dotSize - bw,
           y: elem.y + elem.h / 2,
         },
         rotate: {
           x: elem.x + elem.w / 2,
-          y: elem.y - dotSize - (dotSize * 2 + rotateLimit) - borderWidth,
+          y: elem.y - dotSize - (dotSize * 2 + rotateLimit) - bw,
         }
       },
       lineWidth: lineWidth,
diff --git a/packages/types/src/lib/element.ts b/packages/types/src/lib/element.ts
index cebb671..1b6c3e2 100644
--- a/packages/types/src/lib/element.ts
+++ b/packages/types/src/lib/element.ts
@@ -9,10 +9,13 @@ type TypeElement<T extends keyof TypeElemDesc> = {
   w: number;
   h: number;
   angle?: number;
+  desc: TypeElemDesc[T];
+}
+
+type TypeElemBoxDesc = {
   borderRadius?: number;
   borderWidth?: number;
   borderColor?: string;
-  desc: TypeElemDesc[T];
 }
 
 type TypeElemDesc = {
@@ -26,7 +29,7 @@ type TypeElemDesc = {
 
 type TypeElemDescRect = {
   color: string;
-}
+} & TypeElemBoxDesc
 
 type TypeElemDescText = {
   text: string;
@@ -35,9 +38,8 @@ type TypeElemDescText = {
   lineHeight?: number;
   fontWeight?: string;
   fontFamily?: string;
-  textAlign?: 'center' | 'left' | 'right'
-  // backgroundColor?: string;
-}
+  textAlign?: 'center' | 'left' | 'right';
+} & TypeElemBoxDesc
 
 type TypeElemDescCircle = {
   r: number;