fix

src/component/Canvas/CanvasEditor/index.vue

@@ -806,6 +806,7 @@ const changeCanvas = async (command) => {
 	setTimeout(async ()=>{
 		const imageData = await canvasManager.exportImage({
 			restoreOpacityInRedGreen: true, // 恢复红绿图模式下的透明度
+			isCropByBg:true,
 		});
 		emit("trigger-red-green-mouseup", imageData);
 	},100)