diff --git a/src/renderers/Table/TableBody.tsx b/src/renderers/Table/TableBody.tsx
new file mode 100644
index 000000000..060401644
--- /dev/null
+++ b/src/renderers/Table/TableBody.tsx
@@ -0,0 +1,196 @@
+import React from 'react';
+import {ClassNamesFn} from '../../theme';
+import {IColumn, IRow} from '../../store/table';
+import {SchemaNode, Action} from '../../types';
+import {TableRow} from './TableRow';
+import {filter} from '../../utils/tpl';
+import {observer} from 'mobx-react';
+import {trace, reaction} from 'mobx';
+import {flattenTree} from '../../utils/helper';
+
+export interface TableBodyProps {
+  className?: string;
+  rowsProps?: any;
+  tableClassName?: string;
+  classnames: ClassNamesFn;
+  columns: Array<IColumn>;
+  rows: Array<IRow>;
+  placeholder?: string;
+  render: (region: string, node: SchemaNode, props?: any) => JSX.Element;
+  renderCell: (
+    region: string,
+    column: IColumn,
+    item: IRow,
+    props: any
+  ) => React.ReactNode;
+  onCheck: (item: IRow) => void;
+  onQuickChange?: (
+    item: IRow,
+    values: object,
+    saveImmediately?: boolean | any,
+    savePristine?: boolean
+  ) => void;
+  footable?: boolean;
+  footableColumns: Array<IColumn>;
+  checkOnItemClick?: boolean;
+  buildItemProps?: (item: IRow, index: number) => any;
+  onAction?: (e: React.UIEvent<any>, action: Action, ctx: object) => void;
+  rowClassNameExpr?: string;
+  rowClassName?: string;
+}
+
+export class TableBody extends React.Component<TableBodyProps> {
+  reaction?: () => void;
+  constructor(props: TableBodyProps) {
+    super(props);
+
+    const rows = props.rows;
+
+    this.reaction = reaction(
+      () =>
+        `${flattenTree(rows)
+          .map(item => `${item.id}`)
+          .join(',')}${rows
+          .filter(item => item.checked)
+          .map(item => item.id)
+          .join(',')}`,
+      () => this.forceUpdate(),
+      {
+        onError: () => this.reaction!()
+      }
+    );
+  }
+
+  shouldComponentUpdate(nextProps: TableBodyProps) {
+    const props = this.props;
+
+    if (
+      props.columns !== nextProps.columns ||
+      props.buildItemProps !== nextProps.buildItemProps
+    ) {
+      return true;
+    }
+
+    return false;
+  }
+
+  componentwillUnmount() {
+    this.reaction?.();
+  }
+
+  renderRows(
+    rows: Array<any>,
+    columns = this.props.columns,
+    rowProps: any = {}
+  ): any {
+    const {
+      rowClassName,
+      rowClassNameExpr,
+      onAction,
+      buildItemProps,
+      checkOnItemClick,
+      classnames: cx,
+      render,
+      renderCell,
+      onCheck,
+      onQuickChange,
+      footable,
+      footableColumns
+    } = this.props;
+
+    return rows.map((item: IRow, rowIndex: number) => {
+      const itemProps = buildItemProps ? buildItemProps(item, rowIndex) : null;
+
+      const doms = [
+        <TableRow
+          {...itemProps}
+          classnames={cx}
+          checkOnItemClick={checkOnItemClick}
+          key={item.id}
+          itemIndex={rowIndex}
+          item={item}
+          itemClassName={cx(
+            rowClassNameExpr
+              ? filter(rowClassNameExpr, item.data)
+              : rowClassName,
+            {
+              'is-last': item.depth > 1 && rowIndex === rows.length - 1
+            }
+          )}
+          columns={columns}
+          renderCell={renderCell}
+          render={render}
+          onAction={onAction}
+          onCheck={onCheck}
+          // todo 先注释 quickEditEnabled={item.depth === 1}
+          onQuickChange={onQuickChange}
+          {...rowProps}
+        />
+      ];
+
+      if (footable && footableColumns.length) {
+        if (item.depth === 1) {
+          doms.push(
+            <TableRow
+              {...itemProps}
+              classnames={cx}
+              checkOnItemClick={checkOnItemClick}
+              key={`foot-${item.id}`}
+              itemIndex={rowIndex}
+              item={item}
+              itemClassName={cx(
+                rowClassNameExpr
+                  ? filter(rowClassNameExpr, item.data)
+                  : rowClassName
+              )}
+              columns={footableColumns}
+              renderCell={renderCell}
+              render={render}
+              onAction={onAction}
+              onCheck={onCheck}
+              footableMode
+              footableColSpan={columns.length}
+              onQuickChange={onQuickChange}
+              {...rowProps}
+            />
+          );
+        }
+      } else if (item.children.length) {
+        // 嵌套表格
+        doms.push(
+          ...this.renderRows(item.children, columns, {
+            ...rowProps,
+            parent: item
+          })
+        );
+      }
+      return doms;
+    });
+  }
+
+  render() {
+    const {
+      placeholder,
+      classnames: cx,
+      className,
+      render,
+      rows,
+      columns,
+      rowsProps
+    } = this.props;
+
+    return (
+      <tbody className={className}>
+        {rows.length ? (
+          this.renderRows(rows, columns, rowsProps)
+        ) : (
+          <tr className={cx('Table-placeholder')}>
+            <td colSpan={columns.length}>
+              {render('placeholder', placeholder || '暂无数据')}
+            </td>
+          </tr>
+        )}
+      </tbody>
+    );
+  }
+}
diff --git a/src/renderers/Table/TableContent.tsx b/src/renderers/Table/TableContent.tsx
index 18df72727..35479ddaf 100644
--- a/src/renderers/Table/TableContent.tsx
+++ b/src/renderers/Table/TableContent.tsx
@@ -7,6 +7,7 @@ import {filter} from '../../utils/tpl';
 import {observer} from 'mobx-react';
 import {trace, reaction} from 'mobx';
 import {flattenTree} from '../../utils/helper';
+import {TableBody} from './TableBody';
 
 export interface TableContentProps {
   className?: string;
@@ -52,22 +53,6 @@ export class TableContent extends React.Component<TableContentProps> {
   reaction?: () => void;
   constructor(props: TableContentProps) {
     super(props);
-
-    const rows = props.rows;
-
-    this.reaction = reaction(
-      () =>
-        `${flattenTree(rows)
-          .map(item => `${item.id}`)
-          .join(',')}${rows
-          .filter(item => item.checked)
-          .map(item => item.id)
-          .join(',')}`,
-      () => this.forceUpdate(),
-      {
-        onError: () => this.reaction!()
-      }
-    );
   }
 
   shouldComponentUpdate(nextProps: TableContentProps) {
@@ -83,100 +68,6 @@ export class TableContent extends React.Component<TableContentProps> {
     return false;
   }
 
-  componentwillUnmount() {
-    this.reaction?.();
-  }
-
-  renderRows(
-    rows: Array<any>,
-    columns = this.props.columns,
-    rowProps: any = {}
-  ): any {
-    const {
-      rowClassName,
-      rowClassNameExpr,
-      onAction,
-      buildItemProps,
-      checkOnItemClick,
-      classnames: cx,
-      render,
-      renderCell,
-      onCheck,
-      onQuickChange,
-      footable,
-      footableColumns
-    } = this.props;
-
-    return rows.map((item: IRow, rowIndex: number) => {
-      const itemProps = buildItemProps ? buildItemProps(item, rowIndex) : null;
-
-      const doms = [
-        <TableRow
-          {...itemProps}
-          classnames={cx}
-          checkOnItemClick={checkOnItemClick}
-          key={item.id}
-          itemIndex={rowIndex}
-          item={item}
-          itemClassName={cx(
-            rowClassNameExpr
-              ? filter(rowClassNameExpr, item.data)
-              : rowClassName,
-            {
-              'is-last': item.depth > 1 && rowIndex === rows.length - 1
-            }
-          )}
-          columns={columns}
-          renderCell={renderCell}
-          render={render}
-          onAction={onAction}
-          onCheck={onCheck}
-          // todo 先注释 quickEditEnabled={item.depth === 1}
-          onQuickChange={onQuickChange}
-          {...rowProps}
-        />
-      ];
-
-      if (footable && footableColumns.length) {
-        if (item.depth === 1) {
-          doms.push(
-            <TableRow
-              {...itemProps}
-              classnames={cx}
-              checkOnItemClick={checkOnItemClick}
-              key={`foot-${item.id}`}
-              itemIndex={rowIndex}
-              item={item}
-              itemClassName={cx(
-                rowClassNameExpr
-                  ? filter(rowClassNameExpr, item.data)
-                  : rowClassName
-              )}
-              columns={footableColumns}
-              renderCell={renderCell}
-              render={render}
-              onAction={onAction}
-              onCheck={onCheck}
-              footableMode
-              footableColSpan={columns.length}
-              onQuickChange={onQuickChange}
-              {...rowProps}
-            />
-          );
-        }
-      } else if (item.children.length) {
-        // 嵌套表格
-        doms.push(
-          ...this.renderRows(item.children, columns, {
-            ...rowProps,
-            parent: item
-          })
-        );
-      }
-      return doms;
-    });
-  }
-
   render() {
     const {
       placeholder,
@@ -189,7 +80,17 @@ export class TableContent extends React.Component<TableContentProps> {
       onScroll,
       tableRef,
       rows,
-      renderHeadCell
+      renderHeadCell,
+      renderCell,
+      onCheck,
+      rowClassName,
+      onQuickChange,
+      footable,
+      footableColumns,
+      checkOnItemClick,
+      buildItemProps,
+      onAction,
+      rowClassNameExpr
     } = this.props;
 
     const tableClassName = cx('Table-table', this.props.tableClassName);
@@ -225,17 +126,23 @@ export class TableContent extends React.Component<TableContentProps> {
               )}
             </tr>
           </thead>
-          <tbody>
-            {rows.length ? (
-              this.renderRows(rows, columns)
-            ) : (
-              <tr className={cx('Table-placeholder')}>
-                <td colSpan={columns.length}>
-                  {render('placeholder', placeholder || '暂无数据')}
-                </td>
-              </tr>
-            )}
-          </tbody>
+          <TableBody
+            classnames={cx}
+            placeholder={placeholder}
+            render={render}
+            renderCell={renderCell}
+            onCheck={onCheck}
+            onQuickChange={onQuickChange}
+            footable={footable}
+            footableColumns={footableColumns}
+            checkOnItemClick={checkOnItemClick}
+            buildItemProps={buildItemProps}
+            onAction={onAction}
+            rowClassNameExpr={rowClassNameExpr}
+            rowClassName={rowClassName}
+            rows={rows}
+            columns={columns}
+          ></TableBody>
         </table>
       </div>
     );
diff --git a/src/renderers/Table/index.tsx b/src/renderers/Table/index.tsx
index 80e2e8cd5..34b029e73 100644
--- a/src/renderers/Table/index.tsx
+++ b/src/renderers/Table/index.tsx
@@ -40,6 +40,7 @@ import {SchemaQuickEdit} from '../QuickEdit';
 import {SchemaCopyable} from '../Copyable';
 import {SchemaRemark} from '../Remark';
 import {toDataURL, getImageDimensions} from '../../utils/image';
+import {TableBody} from './TableBody';
 
 /**
  * 表格列，不指定类型时默认为文本类型。
@@ -1572,7 +1573,17 @@ export default class Table extends React.Component<TableProps, object> {
     headerOnly: boolean = false,
     tableClassName: string = ''
   ) {
-    const {placeholder, store, classnames: cx, render, data} = this.props;
+    const {
+      placeholder,
+      store,
+      classnames: cx,
+      render,
+      data,
+      checkOnItemClick,
+      buildItemProps,
+      rowClassNameExpr,
+      rowClassName
+    } = this.props;
     const hideHeader = store.filteredColumns.every(column => !column.label);
 
     return (
@@ -1612,25 +1623,36 @@ export default class Table extends React.Component<TableProps, object> {
         </thead>
 
         {headerOnly ? null : (
-          <tbody>
-            {rows.length ? (
-              this.renderRows(rows, columns, {
-                regionPrefix: 'fixed/',
-                renderCell: (
-                  region: string,
-                  column: IColumn,
-                  item: IRow,
-                  props: any
-                ) => this.renderCell(region, column, item, props, true)
-              })
-            ) : (
-              <tr className={cx('Table-placeholder')}>
-                <td colSpan={columns.length}>
-                  {render('placeholder', placeholder, {data})}
-                </td>
-              </tr>
+          <TableBody
+            tableClassName={cx(
+              store.combineNum > 0 ? 'Table-table--withCombine' : '',
+              tableClassName
             )}
-          </tbody>
+            classnames={cx}
+            placeholder={placeholder}
+            render={render}
+            renderCell={this.renderCell}
+            onCheck={this.handleCheck}
+            onQuickChange={store.dragging ? undefined : this.handleQuickChange}
+            footable={store.footable}
+            footableColumns={store.footableColumns}
+            checkOnItemClick={checkOnItemClick}
+            buildItemProps={buildItemProps}
+            onAction={this.handleAction}
+            rowClassNameExpr={rowClassNameExpr}
+            rowClassName={rowClassName}
+            columns={columns}
+            rows={rows}
+            rowsProps={{
+              regionPrefix: 'fixed/',
+              renderCell: (
+                region: string,
+                column: IColumn,
+                item: IRow,
+                props: any
+              ) => this.renderCell(region, column, item, props, true)
+            }}
+          />
         )}
       </table>
     );
@@ -2085,93 +2107,6 @@ export default class Table extends React.Component<TableProps, object> {
       : footerNode || toolbarNode || null;
   }
 
-  renderRows(
-    rows: Array<any>,
-    columns = this.props.store.filteredColumns,
-    rowProps: any = {}
-  ): any {
-    const {
-      store,
-      rowClassName,
-      rowClassNameExpr,
-      onAction,
-      buildItemProps,
-      checkOnItemClick,
-      classPrefix: ns,
-      classnames: cx,
-      render
-    } = this.props;
-
-    return rows.map((item: IRow, rowIndex: number) => {
-      const itemProps = buildItemProps ? buildItemProps(item, rowIndex) : null;
-
-      const doms = [
-        <TableRow
-          {...itemProps}
-          classPrefix={ns}
-          classnames={cx}
-          checkOnItemClick={checkOnItemClick}
-          key={item.id}
-          itemIndex={rowIndex}
-          item={item}
-          itemClassName={cx(
-            rowClassNameExpr
-              ? filter(rowClassNameExpr, item.data)
-              : rowClassName,
-            {
-              'is-last': item.depth > 1 && rowIndex === rows.length - 1,
-              'is-expanded': item.expanded,
-              'is-expandable': item.expandable
-            }
-          )}
-          columns={columns}
-          renderCell={this.renderCell}
-          render={render}
-          onAction={onAction}
-          onCheck={this.handleCheck}
-          // todo 先注释 quickEditEnabled={item.depth === 1}
-          onQuickChange={store.dragging ? null : this.handleQuickChange}
-          {...rowProps}
-        />
-      ];
-
-      if (store.footable && store.footableColumns.length) {
-        if (item.depth === 1) {
-          doms.push(
-            <TableRow
-              {...itemProps}
-              classPrefix={ns}
-              classnames={cx}
-              checkOnItemClick={checkOnItemClick}
-              key={`foot-${item.id}`}
-              itemIndex={rowIndex}
-              item={item}
-              itemClassName={cx(
-                rowClassNameExpr
-                  ? filter(rowClassNameExpr, item.data)
-                  : rowClassName
-              )}
-              columns={store.footableColumns}
-              renderCell={this.renderCell}
-              render={render}
-              onAction={onAction}
-              onCheck={this.handleCheck}
-              footableMode
-              footableColSpan={store.filteredColumns.length}
-              onQuickChange={store.dragging ? null : this.handleQuickChange}
-              {...rowProps}
-            />
-          );
-        }
-      } else if (Array.isArray(item.data.children)) {
-        // 嵌套表格
-        doms.push(...this.renderRows(item.children, columns, rowProps));
-      }
-
-      return doms;
-    });
-  }
-
   renderItemActions() {
     const {itemActions, render, store, classnames: cx} = this.props;
     const finalActions = Array.isArray(itemActions)