diff --git a/src/App.vue b/src/App.vue
index 11bcefc..6b1f259 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -10,9 +10,13 @@
 *
 * See the [Open Source License] for more details.
 *
-* Author: Zhenjie Wei
+* Original Author: Zhenjie Wei
 * Created: Jul. 20, 2023
 * Supported by: National Key Research and Development Program of China
+* 
+* Remake: Jiaxuan Han
+* Date: Apr. 12, 2025
+* Tip: Add test graph by dividing nodes.
 -->
 
 <template>
@@ -32,6 +36,19 @@ import { uid_rt } from './logic/common/uid'
 const testStr =
     'Once upon a time, 在远古村庄中, lived a clever little fox named Lily. Their friendship taught them that with kindness and determination, anything is possible. 故事完美落幕，他们的友谊将永远闪耀在心中。'
 
+const dataNodeStyle = {
+    size: 20,
+    color: 'blue'
+}
+const actionNodeStyle = {
+    size: 20,
+    color: 'purple'
+}
+const subGraphNodeStyle = {
+    size: 30,
+    color: 'orange'
+}
+
 onMounted(() => {
     const scene = document.getElementById('scene') as HTMLCanvasElement
 
@@ -103,11 +120,39 @@ onMounted(() => {
             'sbend',
         ),
     )
-    const t1 = new TextArea(Rect.fromLTWH(30, 20, 16, 8), testStr, {
-        size: 16,
-        color: 'red',
-    })
 
+    var dn1 = new TextArea(Rect.fromLTWH(4, 4, 2, 2), "w", dataNodeStyle)
+    var dn2 = new TextArea(Rect.fromLTWH(8, 4, 2, 2), "x", dataNodeStyle)
+    var dn3 = new TextArea(Rect.fromLTWH(12, 4, 2, 2), "b", dataNodeStyle)
+    var dn4 = new TextArea(Rect.fromLTWH(16, 4, 2, 2), "y", dataNodeStyle)
+    var dn5 = new TextArea(Rect.fromLTWH(20, 4, 2, 2), "η", dataNodeStyle)
+
+    var an_s1 = new TextArea(Rect.fromLTWH(4, 8, 3, 3), "sub", actionNodeStyle)
+    var an_s2 = new TextArea(Rect.fromLTWH(8, 8, 3, 3), "sub", actionNodeStyle)
+    var an_s3 = new TextArea(Rect.fromLTWH(12, 8, 3, 3), "sub", actionNodeStyle)
+    var an_a = new TextArea(Rect.fromLTWH(8, 12, 3, 3), "add", actionNodeStyle)
+    var an_m1 = new TextArea(Rect.fromLTWH(4, 16, 3, 3), "mul", actionNodeStyle)
+    var an_m2 = new TextArea(Rect.fromLTWH(8, 16, 3, 3), "mul", actionNodeStyle)
+    var an_m3 = new TextArea(Rect.fromLTWH(12, 16, 3, 3), "mul", actionNodeStyle)
+    var an_m4 = new TextArea(Rect.fromLTWH(16, 16, 3, 3), "mul", actionNodeStyle)
+
+
+    const t1 = new Component(
+        new RenderNode(
+            uid_rt(),
+            Rect.fromLTWH(30, 30, 4, 4),
+            [
+                new RenderPort(2, PortType.IN, PortAspect.BOTTOM),
+                new RenderPort(2, PortType.OUT, PortAspect.RIGHT),
+            ],
+            '',
+            'sbend',
+        ),
+    )
+    
+    var sn1 = new TextArea(Rect.fromLTWH(10, 20, 4, 4), "L", subGraphNodeStyle)
+    
+    
     designer.addComponent(c1)
     designer.addComponent(c2)
     designer.addComponent(c3)
@@ -116,10 +161,35 @@ onMounted(() => {
 
     designer.addComponent(c4)
     designer.addComponent(c5)
+    designer.addComponent(t1)
 
     core.switchMemory(core.createMemory())
 
-    designer.addComponent(t1)
+    designer.addComponent(dn1)
+    designer.addComponent(dn2)
+    designer.addComponent(dn3)
+    designer.addComponent(dn4)
+    designer.addComponent(dn5)
+
+    designer.addComponent(an_s1)
+    designer.addComponent(an_s2)
+    designer.addComponent(an_s3)
+    designer.addComponent(an_a)
+    designer.addComponent(an_m1)
+    designer.addComponent(an_m2)
+    designer.addComponent(an_m3)
+    designer.addComponent(an_m4)
+
+    designer.addComponent(sn1)
+
+    let layout = [
+        [dn2, dn1, an_s1, an_s2],
+        [an_m1, dn3, an_m2, an_m3, dn5],
+        [an_a, dn4, an_m4],
+        [sn1, an_s3]
+    ]
+
+    designer.reCalcLocate(layout)
 
     console.log(core)
 
diff --git a/src/designer.ts b/src/designer.ts
index b02abd7..6d892e6 100644
--- a/src/designer.ts
+++ b/src/designer.ts
@@ -10,9 +10,12 @@
  *
  * See the [Open Source License] for more details.
  *
- * Author: Zhenjie Wei
+ * Original Author: Zhenjie Wei
  * Created: Oct. 24, 2023
  * Supported by: National Key Research and Development Program of China
+ * 
+ * Remake: Jiaxuan Han
+ * Date: Apr. 6, 2025
  */
 
 import LogicCore from './logic/core'
@@ -30,6 +33,8 @@ import CompLayer from './layers/comp'
 import IRenderable from './logic/mixins/renderable'
 import { IObject } from './logic/handlers/object'
 import { graphManager } from './plugins/graph'
+import { autoType } from 'd3'
+import { Rect } from './logic/common/types2D'
 
 export default class Designer {
     private _core: LogicCore
@@ -75,4 +80,12 @@ export default class Designer {
         this._core.register(comp)
         this._compLayer.addComponent(comp as unknown as IRenderable)
     }
+
+    public reCalcLocate(layout: TextArea[][]){
+        layout.forEach((row, j)=>{
+            row.forEach((node, i) => {
+                node.recalcLoc(5 * i + 4, 5 * j + 4)
+            });
+        })
+    }
 }
diff --git a/src/objects/text.ts b/src/objects/text.ts
index 22b06df..1c1d473 100644
--- a/src/objects/text.ts
+++ b/src/objects/text.ts
@@ -13,6 +13,10 @@
  * Author: Zhenjie Wei
  * Created: Sep. 15, 2023
  * Supported by: National Key Research and Development Program of China
+ * 
+ * Remake: Jiaxuan Han
+ * Date: Apr. 12, 2025
+ * Tip: Add recalcLoc() to recalculate the location of TopLeft corner.
  */
 
 import { Point, Rect } from '@/logic/common/types2D'
@@ -28,6 +32,7 @@ export default class TextArea
     extends Flexible
     implements IRenderable, IDisposable
 {
+    [x: string]: any
     private _moving: boolean = false
     private _resizing: boolean = false
     private _arena: IObjectArena<Rect> | null = null
@@ -48,6 +53,12 @@ export default class TextArea
         this.core!.destroyCache(this._cacheCtx!)
     }
 
+    recalcLoc(locx: number, 
+        locy: number, 
+    ): void {
+        this._text.rect.moveTo(new Point(locx, locy))
+    }
+
     private _updateCache() {
         const realRect = this.core!.crd2posRect(this.rect).float().scale(4)
         realRect.moveTo(Point.zero())