diff --git a/view/document/menu.html b/view/document/menu.html
index a0c2191..b2006b1 100644
--- a/view/document/menu.html
+++ b/view/document/menu.html
@@ -35,7 +35,7 @@
 				<div class="layui-card">
 					<div class="layui-card-header">实例</div>
 					<div class="layui-card-body">
-						<button id="collaspe" class="pear-btn pear-btn-primary">隐藏</button>
+						<button id="collaspe" class="pear-btn">隐藏</button>
 						<br/>
 						<br/>
 						<div id="sideMenu"></div>