update：更新标题

src/components/layout-element/text/app-preset-caption/app-preset-caption.less

 .app-preset-caption {
     padding: 8px;
+    font-weight: 600;
 
     .caption-info {
-        font-weight: 600;
         font-family: "Microsoft YaHei";
         font-size: 14px;
     }

src/components/layout-element/text/app-preset-caption/app-preset-caption.vue

@@ -91,7 +91,7 @@ export default class AppPresetCaption extends Vue {
   get renderMode() {
     const layoutModel = this.layoutModelDetails[this.itemName];
     if (layoutModel) {
-      return layoutModel.renderMode || "TEXT";
+      return layoutModel.renderMode == 'HEADING1' ? 'TEXT' : layoutModel.renderMode;
     }
   }