修复scale找不到的问题

package.json

@@ -11,7 +11,6 @@
 		"rollup-plugin-progress": "^1.1.2"
 	},
 	"devDependencies": {
-		"dts-bundle": "^0.7.3",
 		"dts-bundle-generator": "^4.3.0",
 		"glob": "^7.1.6",
 		"rollup-plugin-commonjs": "^10.1.0",
@@ -22,7 +21,6 @@
 		"typescript": "^2.7.2"
 	},
 	"scripts": {
-		"declare": "node scripts/declare.js src/index.ts",
 		"dev": "rollup -c -m -w",
 		"build": "rollup -c -o dist/engine.js",
 		"build:prod": "rollup -c -o dist/engine.min.js --environment BUILD:production",

src/2d/display/DisplayObject.ts

@@ -510,6 +510,9 @@ export class DisplayObject extends EventDispatcher {
 	 * @member {Point|ObservablePoint}
 	 */
 	get scale() {
+		if(this.destroyed){
+			return 1;
+		}
 		return this.transform.scale;
 	}
 

src/zeroing/game-warpper/GameStage.ts

@@ -151,7 +151,6 @@ export class GameStage extends Node {
 	start() {
 		const {options: {entrySceneView,},} = this._config;
 
-
 		setTimeout(async () => {
 			let sceneEntry = await this.instantiateView(entrySceneView);
 			if (sceneEntry) {