fix

src/component/Canvas/CanvasEditor/managers/CanvasManager.js

@@ -1486,6 +1486,9 @@ backgroundObject.scaleY,'CanvasManager resetCanvasSizeByFixedLayer')
 		if (a.isBackground) return -1;
 		if (b.isBackground) return 1;
 	})
+	// 排除的对象id
+	const excludedObjects = [SpecialLayerId.PART_SELECTOR];
+	json.canvas.objects = objects.filter((v) => !excludedObjects.includes(v.id));
   }
 
 

src/component/Canvas/CanvasEditor/managers/PartManager.js

@@ -1,6 +1,6 @@
 import { fabric } from "fabric-with-all";
 import { traceImageContour, imageToCanvas } from "../utils/helper";
-import { OperationType } from "../utils/layerHelper";
+import { OperationType, SpecialLayerId } from "../utils/layerHelper";
 import { LassoCutoutCommand } from "../commands/LassoCutoutCommand";
 import addIcon from "@/assets/images/canvas/add.png";
 import removeIcon from "@/assets/images/canvas/remove.png";
@@ -72,7 +72,7 @@ export class PartManager {
 		this.activeTool = this.toolManager.activeTool;
 
 		this.rgba = { r: 0, g: 255, b: 0, a: 200 };
-		this.partId = "part_selector";
+		this.partId = SpecialLayerId.PART_SELECTOR;
 		this.partGroup = null; // 当前选区对象
 		this.partCanvas = null;// 选区画布
 		this.rectangleObject = null; // 矩形对象

src/component/Canvas/CanvasEditor/utils/layerHelper.js

@@ -24,6 +24,7 @@ export const LayerType = {
 export const SpecialLayerId = {
   SPECIAL_GROUP: "group_special", // 特殊组
   COLOR: "special_color", // 颜色图层
+  PART_SELECTOR: "part_selector", // 部件选择器图层
 }