[修正] 设置高亮前取消全部选择

src/app/working-area/working-area.component.ts

@@ -214,6 +214,7 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
    * 设置高亮
    */
   public setHighlight(ids: string[]): void {
+    this.selection.deselectAll();
     ids.forEach(item => {
       const obj = this.backgroundImage.getChildByName(item);
       if (obj instanceof MultipointIcon) {