edit

src/Menu.php

@@ -51,7 +51,7 @@ class Menu
 
     public function update($id, $name, $data)
     {
-        
+
     }
 
     public function checkKey($id = 0)
@@ -555,6 +555,10 @@ class Menu
     <a href="javascript:;" layadmin-event="flexible" title="侧边伸缩">
       <i class="layui-icon layui-icon-shrink-right" id="LAY_app_flexible"></i>
     </a>
+  </li><li class="layui-nav-item" lay-unselect>
+    <a href="javascript:;" layadmin-event="back" title="上一页">
+      <i class="layui-icon layui-icon-return"></i>
+    </a>
   </li><li class="layui-nav-item" lay-unselect>
     <a href="javascript:;" layadmin-event="refresh" title="刷新">
       <i class="layui-icon layui-icon-refresh-3"></i>