diff --git a/app/assets/images/logo.png b/app/assets/images/logo.png
index e27d9b4a4..e740f87a1 100644
Binary files a/app/assets/images/logo.png and b/app/assets/images/logo.png differ
diff --git a/app/views/admins/shared/_sidebar.html.erb b/app/views/admins/shared/_sidebar.html.erb
index 98af5158b..d8ea3d521 100644
--- a/app/views/admins/shared/_sidebar.html.erb
+++ b/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: 80,class: "sidebar-header-logoimg") %>
+      <%= image_tag('logo.png',width: 139, height: 50,class: "sidebar-header-logoimg") %>
     </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>
diff --git a/public/assets/.sprockets-manifest-6806c5ad52c66178a9693b1f60d81e3a.json b/public/assets/.sprockets-manifest-90de7beed5564fc35f5bec59247d05aa.json
similarity index 52%
rename from public/assets/.sprockets-manifest-6806c5ad52c66178a9693b1f60d81e3a.json
rename to public/assets/.sprockets-manifest-90de7beed5564fc35f5bec59247d05aa.json
index 1029c3905..b2b7293b3 100644
--- a/public/assets/.sprockets-manifest-6806c5ad52c66178a9693b1f60d81e3a.json
+++ b/public/assets/.sprockets-manifest-90de7beed5564fc35f5bec59247d05aa.json
@@ -1 +1 @@
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