fix：修复外部指针问题

.gitignore

@@ -1,3 +1,4 @@
 node_modules
 test
 dist
+资料

src/Model/SVNode.ts

@@ -16,7 +16,6 @@ export class SVNode extends SVModel {
 	};
 
 	private label: string | string[];
-	private disable: boolean;
 	public appendages: { [key: string]: SVNodeAppendage[] };
 
 	constructor(

src/Model/SVNodeAppendage.ts

@@ -196,6 +196,7 @@ export class SVMarker extends SVNodeAppendage {
 			label: this.label,
 			style: Util.objectClone<Style>(options.style),
 			labelCfg: Util.objectClone<NodeLabelOption>(options.labelOptions),
+            targetSourceNode: this.target.sourceNode
 		};
 	}
 

src/View/reconcile.ts

@@ -415,7 +415,9 @@ export class Reconcile {
 		const leakModels: SVModel[] = isDiffLeak ? [] : this.getLeakModels(layoutGroupTable, prevModelList, modelList);
 		const appendModels: SVModel[] = this.getAppendModels(prevModelList, modelList, accumulateLeakModels);
 		const removeModels: SVModel[] = this.getRemoveModels(prevModelList, modelList, accumulateLeakModels);
-		const updateModels: SVModel[] = hasTriggerLastStep ? [...this.getModelsById(this.prevUpdate.pop(), modelList)]: [
+		const updateModels: SVModel[] = hasTriggerLastStep
+			? [...this.getModelsById(this.prevUpdate.pop(), modelList)]
+			: [
 					...this.getReTargetMarkers(prevModelList, modelList),
 					...this.getLabelChangeModels(prevModelList, modelList),
 					...this.filterUnChangeModelsOfAppend(appendModels, prevModelList),
@@ -427,8 +429,6 @@ export class Reconcile {
 			UpdateModelsId.push(model.id);
 		}
 		this.prevUpdate?.push(UpdateModelsId);
-    console.log(this.prevUpdate);
-    
 
 		const freedModels: SVNode[] = this.getFreedModels(prevModelList, modelList);