diff --git a/docs/part/component-buttongroup.html b/docs/part/component-buttongroup.html
index 8006b629310dd289ac02c0937b2e2f77e6c28b3a..aa1de0afffd60d6bee35fdfaba6a45a1cfb5ade5 100755
--- a/docs/part/component-buttongroup.html
+++ b/docs/part/component-buttongroup.html
@@ -135,7 +135,7 @@
       <div class="btn-group">
         <button type="button" class="btn">默认</button>
         <button type="button" class="btn btn-primary">.btn-primary</button>
-        <button type="button" class="btn btn-warning">.btn-primary</button>
+        <button type="button" class="btn btn-warning">.btn-warning</button>
         <button type="button" class="btn btn-danger">.btn-danger</button>
         <button type="button" class="btn btn-success">.btn-success</button>
         <button type="button" class="btn btn-info">.btn-info</button>