diff --git a/src/App.vue b/src/App.vue
index 1501a7b..7e6e50d 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -15,7 +15,7 @@ export default {
   data() {
     return {
       designerConfig: {
-        resetFormJson: true,
+        resetFormJson: false,
       }
     }
   }
diff --git a/src/components/form-designer/form-widget/field-widget/fieldMixin.js b/src/components/form-designer/form-widget/field-widget/fieldMixin.js
index b4731ee..5bb2be3 100644
--- a/src/components/form-designer/form-widget/field-widget/fieldMixin.js
+++ b/src/components/form-designer/form-widget/field-widget/fieldMixin.js
@@ -162,6 +162,7 @@ export default {
 
       if ((this.field.type === 'radio') || (this.field.type === 'checkbox')
           || (this.field.type === 'select') || (this.field.type === 'cascader')) {
+        /* 异步更新option-data之后globalOptionData不能获取到最新值，改用provide的getOptionData()方法 */
         const newOptionItems = this.getOptionData()
         if (!!newOptionItems && newOptionItems.hasOwnProperty(this.field.options.name)) {
           if (!!keepSelected) {
diff --git a/src/components/form-designer/form-widget/index.vue b/src/components/form-designer/form-widget/index.vue
index bab9bb2..e9d275e 100644
--- a/src/components/form-designer/form-widget/index.vue
+++ b/src/components/form-designer/form-widget/index.vue
@@ -173,7 +173,6 @@
 
 <style lang="scss" scoped>
   .container-scroll-bar {
-
     ::v-deep .el-scrollbar__wrap, ::v-deep .el-scrollbar__view {
       overflow-x: hidden;
     }
@@ -187,14 +186,6 @@
     overflow-y: auto;
 
     .el-form.full-height-width {
-      /*
-      margin: 0 auto;
-      width: 420px;
-      border-radius: 15px;
-      //border-width: 10px;
-      box-shadow: 0 0 1px 10px #495060;
-      */
-
       height: 100%;
       padding: 3px;
       background: #ffffff;
diff --git a/src/components/form-designer/toolbar-panel/index.vue b/src/components/form-designer/toolbar-panel/index.vue
index e4fa990..1d18d43 100644
--- a/src/components/form-designer/toolbar-panel/index.vue
+++ b/src/components/form-designer/toolbar-panel/index.vue
@@ -45,9 +45,10 @@
 
     <el-dialog :title="i18nt('designer.toolbar.preview')" :visible.sync="showPreviewDialogFlag" v-if="showPreviewDialogFlag"
                :show-close="true" :close-on-click-modal="false" :close-on-press-escape="false" center v-dialog-drag
-               :destroy-on-close="true" class="small-padding-dialog" width="75%" :fullscreen="layoutType === 'H5'">
+               :destroy-on-close="true" class="small-padding-dialog" width="75%"
+               :fullscreen="(layoutType === 'H5') || (layoutType === 'Pad')">
       <div>
-        <div class="form-render-wrapper" :class="[layoutType === 'H5' ? 'h5-layout' : '']">
+        <div class="form-render-wrapper" :class="[layoutType === 'H5' ? 'h5-layout' : (layoutType === 'Pad' ? 'pad-layout' : '')]">
           <VFormRender ref="preForm" :form-json="formJson" :form-data="testFormData" :preview-state="true"
                        :option-data="testOptionData"
                        @appendButtonClick="testOnAppendButtonClick" @buttonClick="testOnButtonClick"
@@ -695,7 +696,7 @@
 
   .form-render-wrapper {
     //height: calc(100vh - 142px);
-    all: revert !important; /* 防止表单继承el-dialog等外部样式，未生效，原因不明？？ */
+    //all: revert !important; /* 防止表单继承el-dialog等外部样式，未生效，原因不明？？ */
   }
 
   .form-render-wrapper.h5-layout {
@@ -707,6 +708,15 @@
     height: calc(100vh - 142px);
   }
 
+  .form-render-wrapper.pad-layout {
+    margin: 0 auto;
+    width: 960px;
+    border-radius: 15px;
+    //border-width: 10px;
+    box-shadow: 0 0 1px 10px #495060;
+    height: calc(100vh - 142px);
+  }
+
   .node-tree-drawer ::v-deep {
     .el-drawer {
       padding: 10px;