update：更新

src/components/layout-element/interactive/app-preset-button/app-preset-button.vue

@@ -67,7 +67,7 @@ export default class AppPresetButton extends Vue {
      */
     get showCaption() {
         const layoutModel = this.layoutModelDetails[this.name];
-        return layoutModel.showCaption;
+        return layoutModel.isShowCaption;
     }
 
     /**

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

@@ -15,7 +15,6 @@ export class PanelButtonModel extends PanelDetailModel {
         this.buttonStyle = opts.buttonStyle;
         this.renderMode = opts.renderMode;
         this.iconAlign = opts.iconAlign || 'LEFT';
-        this.showCaption = opts.showCaption ? true : false;
         this.disabled = opts.disabled ? true : false;
     }
 
@@ -43,14 +42,6 @@ export class PanelButtonModel extends PanelDetailModel {
      */
     public disabled: boolean = false;
 
-    /**
-     * 显示标题
-     *
-     * @type {boolean}
-     * @memberof PanelButtonModel
-     */
-    public showCaption: boolean = true;
-
     /**
      * @description 按钮类型
      * @type {string}