修复多选删除图层问题

src/component/Canvas/CanvasEditor/commands/LayerCommands.js

@@ -528,6 +528,7 @@ export class RemoveLayerCommand extends Command {
     this.layerIndex = this.layers.value.findIndex(
       (layer) => layer.id === this.layerId
     );
+
     this.removedLayer = this.layers.value[this.layerIndex];
     this.isActiveLayer = this.layerId === this.activeLayerId.value;
 
@@ -593,6 +594,9 @@ export class RemoveLayerCommand extends Command {
       }
     });
 
+	this.layerIndex = this.layers.value.findIndex(
+      (layer) => layer.id === this.layerId
+    );
     // 从图层列表中删除
     this.layers.value.splice(this.layerIndex, 1);