diff --git a/versioned_docs/version-3.0.5/components/forms/input.md b/versioned_docs/version-3.0.5/components/forms/input.md
index 09901165c7e5..190c26013c68 100755
--- a/versioned_docs/version-3.0.5/components/forms/input.md
+++ b/versioned_docs/version-3.0.5/components/forms/input.md
@@ -104,7 +104,7 @@ class App extends Component {
       <td>是否禁用</td>
     </tr>
     <tr>
-      <td>maxLength</td>
+      <td>maxlength</td>
       <td><code>number</code></td>
       <td style={{ textAlign: "center"}}><code>140</code></td>
       <td style={{ textAlign: "center"}}>否</td>