diff --git a/examples/App.vue b/examples/App.vue
index c0e1f3606..fdd57a383 100644
--- a/examples/App.vue
+++ b/examples/App.vue
@@ -18,7 +18,7 @@
       </div>
       <div class="right">
         <div class="content">
-          <span v-if="usedJSHeapSize" class="performance">Memory used: {{ usedJSHeapSize }} MB.</span>
+          <span v-if="usedJSHeapSize && usedJSHeapSize !== '0'" class="performance">Memory used: {{ usedJSHeapSize }} MB.</span>
           <span>{{ $t('app.body.label.translations') }}:</span>
           <vxe-select class="locale-switch" size="mini" v-model="$i18n.locale">
             <vxe-option value="zh_CN" label="中文"></vxe-option>
@@ -201,7 +201,7 @@ export default {
       selectStableVersion: null,
       stableVersionList: [],
       version: '3',
-      usedJSHeapSize: 0,
+      usedJSHeapSize: '0',
       tableList: [
         {
           label: 'app.aside.nav.start',
diff --git a/examples/api/table.js b/examples/api/table.js
index 371cfbac9..8fbca5310 100644
--- a/examples/api/table.js
+++ b/examples/api/table.js
@@ -3828,7 +3828,7 @@ const apis = [
       },
       {
         name: 'exportData(options)',
-        desc: '将表格数据导出（只支持基本数据结构，目前不支持分组、合并等；树结构和虚拟滚动只允许导出数据源）',
+        desc: '将表格数据导出（树结构和虚拟滚动只允许导出数据源）',
         version: '',
         type: 'Promise',
         enum: '',
diff --git a/examples/views/table/advanced/Export.vue b/examples/views/table/advanced/Export.vue
index 8662e525a..1c6ffd05c 100644
--- a/examples/views/table/advanced/Export.vue
+++ b/examples/views/table/advanced/Export.vue
@@ -5,7 +5,7 @@
       默认会排除 field 为空和 type 相关的功能列，可以通过自定义 <table-api-link prop="data"/> 和 <table-api-link prop="columns"/> 导出数据<br>
       对于 csv 等特殊类型，可以通过设置 <table-column-api-link prop="cell-type"/> 将数值类型转为字符串类型<br>
       如果是服务端导出，通过设置 <table-api-link prop="remote"/> 和 <table-api-link prop="exportMethod"/> 开启服务端自定义导出<br>
-      <span class="red">（注：只支持基本数据结构，目前不支持分组、合并等；树结构和虚拟滚动只允许导出数据源，前端导出的数据量有限，建议使用后端导出）</span>
+      <span class="red">（注：树结构和虚拟滚动只允许导出数据源，前端导出的数据量有限，建议使用后端导出）</span>
     </p>
 
     <vxe-toolbar>
diff --git a/examples/views/table/advanced/Print.vue b/examples/views/table/advanced/Print.vue
index 1a8567256..b7c8db5eb 100644
--- a/examples/views/table/advanced/Print.vue
+++ b/examples/views/table/advanced/Print.vue
@@ -18,15 +18,19 @@
       show-footer
       ref="xTable"
       height="500"
-      :export-config="{}"
+      :print-config="{}"
       :footer-method="footerMethod"
       :data="tableData">
       <vxe-table-column type="checkbox" width="60"></vxe-table-column>
       <vxe-table-column type="seq" width="60"></vxe-table-column>
-      <vxe-table-column field="name" title="Name"></vxe-table-column>
-      <vxe-table-column field="role" title="Role"></vxe-table-column>
-      <vxe-table-column field="age" title="Age"></vxe-table-column>
-      <vxe-table-column field="date12" title="Date"></vxe-table-column>
+      <vxe-table-colgroup title="Group1">
+        <vxe-table-column field="name" title="Name"></vxe-table-column>
+        <vxe-table-colgroup title="Group2">
+          <vxe-table-column field="role" title="Role"></vxe-table-column>
+          <vxe-table-column field="age" title="Age"></vxe-table-column>
+        </vxe-table-colgroup>
+        <vxe-table-column field="date12" title="Date"></vxe-table-column>
+      </vxe-table-colgroup>
     </vxe-table>
 
     <p class="demo-code">{{ $t('app.body.button.showCode') }}</p>
@@ -62,15 +66,19 @@ export default {
           show-footer
           ref="xTable"
           height="500"
-          :export-config="{}"
+          :print-config="{}"
           :footer-method="footerMethod"
           :data="tableData">
           <vxe-table-column type="checkbox" width="60"></vxe-table-column>
           <vxe-table-column type="seq" width="60"></vxe-table-column>
-          <vxe-table-column field="name" title="Name"></vxe-table-column>
-          <vxe-table-column field="role" title="Role"></vxe-table-column>
-          <vxe-table-column field="age" title="Age"></vxe-table-column>
-          <vxe-table-column field="date12" title="Date"></vxe-table-column>
+          <vxe-table-colgroup title="Group1">
+            <vxe-table-column field="name" title="Name"></vxe-table-column>
+            <vxe-table-colgroup title="Group2">
+              <vxe-table-column field="role" title="Role"></vxe-table-column>
+              <vxe-table-column field="age" title="Age"></vxe-table-column>
+            </vxe-table-colgroup>
+            <vxe-table-column field="date12" title="Date"></vxe-table-column>
+          </vxe-table-colgroup>
         </vxe-table>
         `,
         `
diff --git a/examples/views/table/advanced/Toolbar.vue b/examples/views/table/advanced/Toolbar.vue
index 104b19f7b..55d458f17 100644
--- a/examples/views/table/advanced/Toolbar.vue
+++ b/examples/views/table/advanced/Toolbar.vue
@@ -10,7 +10,7 @@
     <vxe-table
       border
       height="300"
-      :export-config="{}"
+      :print-config="{}"
       :data="tableData1">
       <vxe-table-column type="seq" width="60"></vxe-table-column>
       <vxe-table-colgroup title="分组信息">
@@ -53,7 +53,7 @@
       border
       ref="xTable"
       height="300"
-      :export-config="{}"
+      :print-config="{}"
       :loading="loading"
       :data="tableData"
       @custom="toolbarCustomEvent">
@@ -100,7 +100,7 @@ export default {
         <vxe-table
           border
           height="300"
-          :export-config="{}"
+          :print-config="{}"
           :data="tableData1">
           <vxe-table-column type="seq" width="60"></vxe-table-column>
           <vxe-table-colgroup title="分组信息">
@@ -133,7 +133,7 @@ export default {
           border
           ref="xTable"
           height="300"
-          :export-config="{}"
+          :print-config="{}"
           :loading="loading"
           :data="tableData"
           @custom="toolbarCustomEvent">
diff --git a/examples/views/table/edit/Select.vue b/examples/views/table/edit/Select.vue
index 791d27cbd..5195de75f 100644
--- a/examples/views/table/edit/Select.vue
+++ b/examples/views/table/edit/Select.vue
@@ -21,8 +21,8 @@
     <p class="demo-code">{{ $t('app.body.button.showCode') }}</p>
 
     <pre>
-      <pre-codecode class="xml">{{ demoCodes[0] }}</pre-codecode>
-      <pre-codecode class="javascript">{{ demoCodes[1] }}</pre-codecode>
+      <pre-code class="xml">{{ demoCodes[0] }}</pre-code>
+      <pre-code class="javascript">{{ demoCodes[1] }}</pre-code>
     </pre>
   </div>
 </template>
diff --git a/examples/views/table/grid/Toolbar.vue b/examples/views/table/grid/Toolbar.vue
index 203e3413c..27bfd6a91 100644
--- a/examples/views/table/grid/Toolbar.vue
+++ b/examples/views/table/grid/Toolbar.vue
@@ -9,6 +9,7 @@
       ref="xGrid"
       id="toolbar_demo_1"
       height="530"
+      :print-config="{}"
       :import-config="{}"
       :export-config="{}"
       :columns="tableColumn"
@@ -77,6 +78,7 @@ export default {
           ref="xGrid"
           id="toolbar_demo_1"
           height="530"
+          :print-config="{}"
           :import-config="{}"
           :export-config="{}"
           :columns="tableColumn"
diff --git a/examples/views/table/grid/ToolbarIcon.vue b/examples/views/table/grid/ToolbarIcon.vue
index 03f2d86fd..5516b51a9 100644
--- a/examples/views/table/grid/ToolbarIcon.vue
+++ b/examples/views/table/grid/ToolbarIcon.vue
@@ -7,6 +7,7 @@
       resizable
       keep-source
       height="500"
+      :print-config="{}"
       :import-config="{}"
       :export-config="{}"
       :pager-config="tablePage"
@@ -92,6 +93,7 @@ export default {
           resizable
           keep-source
           height="500"
+          :print-config="{}"
           :import-config="{}"
           :export-config="{}"
           :pager-config="tablePage"
diff --git a/examples/views/table/tree/Toolbar.vue b/examples/views/table/tree/Toolbar.vue
index 7f1268f51..b69fa2b32 100644
--- a/examples/views/table/tree/Toolbar.vue
+++ b/examples/views/table/tree/Toolbar.vue
@@ -18,6 +18,7 @@
       keep-source
       ref="xTree"
       row-id="id"
+      :print-config="{}"
       :export-config="{}"
       :loading="loading"
       :tree-config="treeConfig"
@@ -67,6 +68,7 @@ export default {
           keep-source
           ref="xTree"
           row-id="id"
+          :print-config="{}"
           :export-config="{}"
           :loading="loading"
           :tree-config="treeConfig"
diff --git a/package.json b/package.json
index 61ee0c7b8..85f83b83e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vxe-table",
-  "version": "3.0.0-beta.5",
+  "version": "3.0.0-beta.6",
   "description": "一个基于 vue 的 PC 端表格组件，支持增删改查、虚拟滚动、懒加载、快捷菜单、数据校验、树形结构、打印导出、表单渲染、数据分页、虚拟列表、模态窗口、自定义模板、渲染器、贼灵活的配置项、扩展接口等...",
   "scripts": {
     "serve": "vue-cli-service serve",
diff --git a/packages/table/src/table.js b/packages/table/src/table.js
index 00ec5ddad..9c7ec522e 100644
--- a/packages/table/src/table.js
+++ b/packages/table/src/table.js
@@ -954,9 +954,9 @@ export default {
         }
       }) : _e(),
       /**
-       * 导出
+       * 导出/打印
        */
-      initStore.export && this.exportConfig ? h('vxe-export-panel', {
+      initStore.export && (this.exportConfig || this.printConfig) ? h('vxe-export-panel', {
         props: {
           defaultOptions: this.exportParams,
           storeData: this.exportStore