修复

src/2d/display/Container.ts

@@ -726,7 +726,8 @@ export default class Container extends DisplayObject {
 	 * @member {number}
 	 */
 	get width(): number {
-		return this._width || this.scale.x * this.getLocalBounds().width;
+		let value = this._width;
+		return !value && value != 0 ? this.scale.x * this.getLocalBounds().width : value;
 	}
 
 	set width(value: number) {
@@ -755,7 +756,8 @@ export default class Container extends DisplayObject {
 	 * @member {number}
 	 */
 	get height(): number {
-		return this._height || this.scale.y * this.getLocalBounds().height;
+		let value = this._height;
+		return !value && value != 0 ? this.scale.y * this.getLocalBounds().height : value;
 	}
 
 	set height(value: number) {

src/2d/display/Sprite.ts

@@ -391,7 +391,8 @@ export default class Sprite extends Container {
 	 * @member {number}
 	 */
 	get width() {
-		return this._width || Math.abs(this.scale.x) * this._texture.orig.width;
+		let value = this._width;
+		return !value && value != 0 ? Math.abs(this.scale.x) * this._texture.orig.width : value;
 	}
 
 	set width(value) {
@@ -413,7 +414,8 @@ export default class Sprite extends Container {
 	 * @member {number}
 	 */
 	get height() {
-		return this._height || Math.abs(this.scale.y) * this._texture.orig.height;
+		let value = this._height;
+		return !value && value != 0 ? Math.abs(this.scale.y) * this._texture.orig.height : value;
 	}
 
 	set height(value) {