修复

src/2d/display/Sprite.ts

@@ -398,13 +398,13 @@ export default class Sprite extends Container {
 	set width(value) {
 		if (this._width !== value) {
 			if (!value && value != 0) {
-				this.scale.x = 1
+				this.scale.x = 1;
+				this._width = undefined;
 			} else {
-				const s = sign(this.scale.x) || 1;
-
+				const s = sign(this.scale.y) || 1;
 				this.scale.x = s * value / this._texture.orig.width;
+				this._width = value;
 			}
-			this._width = value;
 			this.dispatchEvent(Event.RESIZE);
 		}
 	}
@@ -419,16 +419,15 @@ export default class Sprite extends Container {
 	}
 
 	set height(value) {
-		if (!value && value != 0) {
-			this._height = undefined;
-		} else {
+		if (this._height !== value) {
 			if (!value && value != 0) {
-				this.scale.y = 1
+				this.scale.y = 1;
+				this._height = undefined;
 			} else {
 				const s = sign(this.scale.y) || 1;
 				this.scale.y = s * value / this._texture.orig.height;
+				this._height = value;
 			}
-			this._height = value;
 			this.dispatchEvent(Event.RESIZE);
 		}
 	}