Merge branch 'dev_local' of https://bdgit.educoder.net/Hjqreturn/educoder into dev_local

app/views/admins/shared/_sidebar.html.erb

@@ -2,7 +2,7 @@
 <nav id="sidebar" class="<%= sidebar_collapse ? 'active' : '' %>" data-current-controller="<%= admin_sidebar_controller %>">
   <div class="sidebar-header">
     <a href="/" class="sidebar-header-logo" data-toggle="tooltip" title="返回主站">
-      <%= image_tag('logo.png',width: 139, height: 50,class: "sidebar-header-logoimg") %>
+      <%= image_tag('logo.png') %>
     </a>
     <div id="sidebarCollapse" class="navbar-btn <%= sidebar_collapse ? 'active' : '' %>">
       <i class="fa fa-chevron-left fold" data-toggle="tooltip" data-placement="right" data-boundary="window" title="收起"></i>