您能帮我解决这个问题吗？
我想在单击href时使边栏保持打开状态。现在，当我单击一个选项时，网络将刷新，菜单会折叠。
我当时想也许是一种更好的制作我制作的侧边栏手风琴的方法。
<div class="row" id="body-row">
<!-- Sidebar -->
<div id="sidebar-container" class="sidebar-expanded d-none d-md-block"><!-- d-* hiddens the Sidebar in smaller devices. Its itens can be kept on the Navbar 'Menu' -->
<!-- Bootstrap List Group -->
<ul class="list-group">
<!-- Separator with title -->
<a href="index.php" class="bg-dark list-group-item list-group-item-action">
<div class="d-flex w-100 justify-content-start align-items-center">
<span class="fas fa-tachometer-alt mr-3"></span>
<span class="menu-collapsed">Dashboard</span>
</div>
</a>
<!-- /END Separator -->
<!-- Separator with title -->
<li class="list-group-item sidebar-separator-title text-muted d-flex align-items-center menu-collapsed">
</li>
<!-- Menu with submenu -->
<a href="#submenu1" data-toggle="collapse" aria-expanded="false" class="bg-dark list-group-item list-group-item-action flex-column align-items-start">
<div class="d-flex w-100 justify-content-start align-items-center">
<span class="fas fa-server mr-3"></span>
<span class="menu-collapsed">Usuarios Especiales</span>
<span class="submenu-icon ml-auto"></span>
</div>
</a>
<!-- Submenu content -->
<div id='submenu1' class="collapse sidebar-submenu" data-parent="#sidebar-container">
<a href="altacuenta.html" class="list-group-item list-group-item-action bg-dark1 text-white">
<i class="fas fa-angle-right"></i>
<span class="menu-collapsed">Alta usuario</span>
</a>
<a href="#" class="list-group-item list-group-item-action bg-dark1 text-white">
<i class="fas fa-angle-right"></i>
<span class="menu-collapsed">Buscar usuario</span>
</a>
<a href="#" class="list-group-item list-group-item-action bg-dark1 text-white">
<i class="fas fa-angle-right"></i>
<span class="menu-collapsed">Tables</span>
</a>
</div>
<a href="#submenu2" data-toggle="collapse" aria-expanded="false" class="bg-dark list-group-item list-group-item-action flex-column align-items-start">
<div class="d-flex w-100 justify-content-start align-items-center">
<span class="fas fa-key mr-3"></span>
<span class="menu-collapsed">Locker</span>
<span class="submenu-icon ml-auto"></span>
</div>
</a>
<!-- Submenu content -->
<div id='submenu2' class="collapse sidebar-submenu" data-parent="#sidebar-container">
<a href="#" class="list-group-item list-group-item-action bg-dark1 text-white">
<i class="fas fa-angle-right"></i>
<span class="menu-collapsed">Settings</span>
</a>
<a href="#" class="list-group-item list-group-item-action bg-dark1 text-white">
<i class="fas fa-angle-right"></i>
<span class="menu-collapsed">Password</span>
</a>
</div>
</ul><!-- List Group END-->
</div><!-- sidebar-container END -->
致谢。