update：更新

src/model/panel-detail/panel-button.ts

@@ -125,7 +125,7 @@ export class PanelButtonModel extends PanelDetailModel {
      * @memberof PanelButtonModel
      */
     private calcActionItemAuthState() {
-        if (this.uiAction.dataaccaction && this.data) {
+        if (this.uiAction && this.uiAction.dataaccaction && this.data) {
             let tempUIAction: any = Util.deepCopy(this.uiAction);
             ViewTool.calcActionItemAuthState(this.data, [tempUIAction], this.panel.appUIService ? this.panel.appUIService : null);
             this.visible = tempUIAction.visabled;