diff --git a/src/showcase/nz-demo-modal/nz-demo-modal.html b/src/showcase/nz-demo-modal/nz-demo-modal.html
index 2d8b7c9a0ee..359e5657fe0 100644
--- a/src/showcase/nz-demo-modal/nz-demo-modal.html
+++ b/src/showcase/nz-demo-modal/nz-demo-modal.html
@@ -210,6 +210,27 @@ <h2 id="API"><span>API</span>
           <td></td>
           <td>-</td>
         </tr>
+        <tr>
+          <td>open</td>
+          <td>显示对话框方法</td>
+          <td>Function</td>
+          <td>可以通过 <code> #modal.open() </code>显示对话框，等同于<code> nzVisible = true </code></td>
+          <td>-</td>
+        </tr>
+        <tr>
+          <td>close</td>
+          <td>关闭对话框方法</td>
+          <td>Function</td>
+          <td>可以通过 <code> #modal.close() </code>关闭对话框，等同于<code> nzVisible = false </code></td>
+          <td>-</td>
+        </tr>
+        <tr>
+          <td>setConfirmLoading</td>
+          <td>设置确定按钮 loading 状态方法</td>
+          <td>Function</td>
+          <td>可以通过 <code> #modal.setConfirmLoading(true) </code> 设置确定按钮 loading 状态显示，参数为 false 则隐藏loading，等同于<code> nzConfirmLoading</code> </td>
+          <td>-</td>
+        </tr>
       </tbody>
     </table>
     <h2 id="NzModalService_xxx"><span>NzModalService.xxx()</span>