Twitter bootstrap 3 引导切换仅显示列表中的第一个元素

我有下面的导航菜单与引导切换，其中只有列表的第一个元素被显示，无论它是哪一个。我尝试用另一个元素替换第一个元素，我得到了相同的行为，因此这使我相信html代码正在工作

  <a href="#getting-started"  class="list-group-item list-group-item- 
  success" data-toggle="collapse" data-parent="#admin-menu"><span></span><i 
  class="fa fa-tachometer fa-lg" aria-hidden="true"></i>Getting Started<i 
  class="fa fa-caret-down"></i></a>
          <div class="collapse sp" id="getting-started">
           <a class="navlink list-group-item" href="software.html">General 
 Information</a>
           <a class="navlink list-group-item" 
  href="install_linux.html">Linux Installation</a>
           <a class="navlink list-group-item" 
  href="install_win.html">Windows Installation</a>
           <a class="navlink list-group-item" href="install_mac.html">Mac 
  Installation</a>
           <a class="navlink list-group-item" 
  href="install_docker.html">Docker Installation</a>
           <a class="navlink list-group-item" 
  href="lang_installation.html">Installing Languages</a>
           <a class="navlink list-group-item" href="login.html">Login</a>
           <a class="navlink list-group-item" 
  href="license.html">License</a>
           <a class="navlink list-group-item" 
  href="releasenotes.html">Release notes</a>
         </div>

等等

---

谢谢

问题已经解决，因为它与包含锚的div之间的偏移量为75px，因此我添加了相对位置和z索引1，现在它可以工作了

  <a href="#getting-started"  class="list-group-item list-group-item- 
  success" data-toggle="collapse" data-parent="#admin-menu"><span></span><i 
  class="fa fa-tachometer fa-lg" aria-hidden="true"></i>Getting Started<i 
  class="fa fa-caret-down"></i></a>
          <div class="collapse sp" id="getting-started">
           <a class="navlink list-group-item" href="software.html">General 
 Information</a>
           <a class="navlink list-group-item" 
  href="install_linux.html">Linux Installation</a>
           <a class="navlink list-group-item" 
  href="install_win.html">Windows Installation</a>
           <a class="navlink list-group-item" href="install_mac.html">Mac 
  Installation</a>
           <a class="navlink list-group-item" 
  href="install_docker.html">Docker Installation</a>
           <a class="navlink list-group-item" 
  href="lang_installation.html">Installing Languages</a>
           <a class="navlink list-group-item" href="login.html">Login</a>
           <a class="navlink list-group-item" 
  href="license.html">License</a>
           <a class="navlink list-group-item" 
  href="releasenotes.html">Release notes</a>
         </div>