diff --git a/zh-cn/device-dev/driver/driver-platform-pwm-des.md b/zh-cn/device-dev/driver/driver-platform-pwm-des.md
index b010c1cf0f22d4f591d7c86d93d2d68d2a574d55..287bc0fdaf4e88624daec0e4aa38766f7bc6ab0c 100644
--- a/zh-cn/device-dev/driver/driver-platform-pwm-des.md
+++ b/zh-cn/device-dev/driver/driver-platform-pwm-des.md
@@ -49,11 +49,7 @@
 
 <table border="0" cellpadding="0" cellspacing="0" width="800" style="border-collapse:
  collapse;table-layout:fixed;width:700pt">
- <colgroup><col class="xl65" width="300" style="mso-width-source:userset;mso-width-alt:13728;
- width:300pt">
- <col width="250" style="mso-width-source:userset;mso-width-alt:13216;width:250pt">
- <col width="300" style="mso-width-source:userset;mso-width-alt:28352;width:300pt">
- </colgroup><tbody><tr height="19" style="height:14.25pt">
+<tbody><tr height="19" style="height:14.25pt">
   <td height="19" class="xl66" width="300" style="height:14.25pt;width:300pt">功能分类</td>
   <td class="xl67" width="250" style="width:250pt">接口名</td>
   <td class="xl67" width="300" style="width:300pt">描述</td>
@@ -98,18 +94,11 @@
   <td height="19" style="height:14.25pt">PwmGetConfig</td>
   <td>获取PWM设备参数</td>
  </tr>
- <!--[if supportMisalignedColumns]-->
- <tr height="0" style="display:none">
-  <td width="429" style="width:322pt"></td>
-  <td width="413" style="width:310pt"></td>
-  <td width="886" style="width:665pt"></td>
- </tr>
- <!--[endif]-->
 </tbody></table>
 
 
 
->![](W:\doc\docs\zh-cn\device-dev\public_sys-resources\icon-note.gif) **说明：** 
+>![](../public_sys-resources/icon-note.gif) **说明：** 
 >PWM当前仅限内核态使用，不支持在用户态使用。
 
 ## 使用指导<a name="section3_PWM_des"></a>