update

@CONTROL/树表格（增强）/CONTROL-BASE.vue.ftl

@@ -271,7 +271,7 @@
      * @memberof ${srfclassname('${ctrl.codeName}')}Base
      */
     public getData(): any {
-        return null;
+        return this.selections.length > 0 ? this.selections[0] : null;
     }
              
     /**