diff --git a/docs/zh_CN/atom/atom_motion.md b/docs/zh_CN/atom/atom_motion.md
index 9367313c..ab0b706d 100644
--- a/docs/zh_CN/atom/atom_motion.md
+++ b/docs/zh_CN/atom/atom_motion.md
@@ -40,10 +40,6 @@
     </tr>
     </thead>
     <tbody>
-        <tr>
-            <td>输入电压</td>
-            <td>9-24V/DC</td>
-        </tr>
         <tr>
             <td>可拆卸锂电池</td>
             <td>规格:16340, 容量700mAh</td>