diff --git a/app/assets/stylesheets/admins/sidebar.scss b/app/assets/stylesheets/admins/sidebar.scss
index 6ef12bf08..c17edbd3b 100644
--- a/app/assets/stylesheets/admins/sidebar.scss
+++ b/app/assets/stylesheets/admins/sidebar.scss
@@ -171,7 +171,6 @@
         padding: 0px;
         .sidebar-header-logo {
           display: none;
-
           img{
             width: 93%;
 
@@ -206,7 +205,9 @@
     .sidebar-header {
     }
   }
+  .sidebar-header-logoimg{
 
+  }
   .dropdown-toggle::after {
     top: auto;
     bottom: 10px;
diff --git a/app/views/admins/shared/_sidebar.html.erb b/app/views/admins/shared/_sidebar.html.erb
index 2d9461f45..98af5158b 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') %>
+      <%= image_tag('logo.png',width: 139, height: 80,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-cd84f00143712837f9444930f4111cb1.json b/public/assets/.sprockets-manifest-6806c5ad52c66178a9693b1f60d81e3a.json
similarity index 82%
rename from public/assets/.sprockets-manifest-cd84f00143712837f9444930f4111cb1.json
rename to public/assets/.sprockets-manifest-6806c5ad52c66178a9693b1f60d81e3a.json
index a51428dbc..1029c3905 100644
--- a/public/assets/.sprockets-manifest-cd84f00143712837f9444930f4111cb1.json
+++ b/public/assets/.sprockets-manifest-6806c5ad52c66178a9693b1f60d81e3a.json
@@ -1 +1 @@
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\ No newline at end of file
+{"files":{"admin-432c4eac09b036c57ff1e88d902b8aa7df81164e4b419bac557cf1366c1d3ad9.js":{"logical_path":"admin.js","mtime":"2019-09-26T14:16:02+08:00","size":4383103,"digest":"432c4eac09b036c57ff1e88d902b8aa7df81164e4b419bac557cf1366c1d3ad9","integrity":"sha256-QyxOrAmwNsV/8eiNkCuKp9+BFk5LQZusVXzxNmwdOtk="},"admin-6ca7b4a84aaf88d838da2e100eac0d224a4b38117f594a02099231b7569263cb.css":{"logical_path":"admin.css","mtime":"2019-09-26T14:45:59+08:00","size":840235,"digest":"6ca7b4a84aaf88d838da2e100eac0d224a4b38117f594a02099231b7569263cb","integrity":"sha256-bKe0qEqviNg42i4QDqwNIkpLOBF/WUoCCZIxt1aSY8s="},"font-awesome/fontawesome-webfont-7bfcab6db99d5cfbf1705ca0536ddc78585432cc5fa41bbd7ad0f009033b2979.eot":{"logical_path":"font-awesome/fontawesome-webfont.eot","mtime":"2019-08-30T10:00:22+08:00","size":165742,"digest":"7bfcab6db99d5cfbf1705ca0536ddc78585432cc5fa41bbd7ad0f009033b2979","integrity":"sha256-e/yrbbmdXPvxcFygU23ceFhUMsxfpBu9etDwCQM7KXk="},"font-awesome/fontawesome-webfont-2adefcbc041e7d18fcf2d417879dc5a09997aa64d675b7a3c4b6ce33da13f3fe.woff2":{"logical_path":"font-awesome/fontawesome-webfont.woff2","mtime":"2019-08-30T10:00:22+08:00","size":77160,"digest":"2adefcbc041e7d18fcf2d417879dc5a09997aa64d675b7a3c4b6ce33da13f3fe","integrity":"sha256-Kt78vAQefRj88tQXh53FoJmXqmTWdbejxLbOM9oT8/4="},"font-awesome/fontawesome-webfont-ba0c59deb5450f5cb41b3f93609ee2d0d995415877ddfa223e8a8a7533474f07.woff":{"logical_path":"font-awesome/fontawesome-webfont.woff","mtime":"2019-08-30T10:00:22+08:00","size":98024,"digest":"ba0c59deb5450f5cb41b3f93609ee2d0d995415877ddfa223e8a8a7533474f07","integrity":"sha256-ugxZ3rVFD1y0Gz+TYJ7i0NmVQVh33foiPoqKdTNHTwc="},"font-awesome/fontawesome-webfont-aa58f33f239a0fb02f5c7a6c45c043d7a9ac9a093335806694ecd6d4edc0d6a8.ttf":{"logical_path":"font-awesome/fontawesome-webfont.ttf","mtime":"2019-08-30T10:00:22+08:00","size":165548,"digest":"aa58f33f239a0fb02f5c7a6c45c043d7a9ac9a093335806694ecd6d4edc0d6a8","integrity":"sha256-qljzPyOaD7AvXHpsRcBD16msmgkzNYBmlOzW1O3A1qg="},"font-awesome/fontawesome-webfont-ad6157926c1622ba4e1d03d478f1541368524bfc46f51e42fe0d945f7ef323e4.svg":{"logical_path":"font-awesome/fontawesome-webfont.svg","mtime":"2019-08-30T10:00:22+08:00","size":444379,"digest":"ad6157926c1622ba4e1d03d478f1541368524bfc46f51e42fe0d945f7ef323e4","integrity":"sha256-rWFXkmwWIrpOHQPUePFUE2hSS/xG9R5C/g2UX37zI+Q="},"college-18f5e8400331634e898a35acc2187815c096c25e0ab74aba341ae916166cd287.js":{"logical_path":"college.js","mtime":"2019-09-26T14:16:02+08:00","size":3352744,"digest":"18f5e8400331634e898a35acc2187815c096c25e0ab74aba341ae916166cd287","integrity":"sha256-GPXoQAMxY06JijWswhh4FcCWwl4Kt0q6NBrpFhZs0oc="},"college-55ed707c611d1162b786815686efe68ecfb0af719c34efb70a827ead6fc7dfb1.css":{"logical_path":"college.css","mtime":"2019-09-12T11:13:32+08:00","size":579109,"digest":"55ed707c611d1162b786815686efe68ecfb0af719c34efb70a827ead6fc7dfb1","integrity":"sha256-Ve1wfGEdEWK3hoFWhu/mjs+wr3GcNO+3CoJ+rW/H37E="},"logo-2efba949ac91ac5249d40792e52d85cf25db7f6eda6d649450c47a49c8af5b6f.png":{"logical_path":"logo.png","mtime":"2019-09-25T10:55:39+08:00","size":18417,"digest":"2efba949ac91ac5249d40792e52d85cf25db7f6eda6d649450c47a49c8af5b6f","integrity":"sha256-LvupSayRrFJJ1AeS5S2FzyXbf27abWSUUMR6ScivW28="},"application-9cfbc3d792599a1d0de5c7b84209e1c2b2e60336f0f01e19f0581663918708fb.js":{"logical_path":"application.js","mtime":"2019-09-26T14:16:02+08:00","size":600706,"digest":"9cfbc3d792599a1d0de5c7b84209e1c2b2e60336f0f01e19f0581663918708fb","integrity":"sha256-nPvD15JZmh0N5ce4QgnhwrLmAzbw8B4Z8FgWY5GHCPs="},"application-9e90af35b93bc5ed1b294930f54696c175ef7beb01be2c0b98aedbab7fae3d66.css":{"logical_path":"application.css","mtime":"2019-09-26T14:45:59+08:00","size":1989051,"digest":"9e90af35b93bc5ed1b294930f54696c175ef7beb01be2c0b98aedbab7fae3d66","integrity":"sha256-npCvNbk7xe0bKUkw9UaWwXXve+sBviwLmK7bq3+uPWY="}},"assets":{"admin.js":"admin-432c4eac09b036c57ff1e88d902b8aa7df81164e4b419bac557cf1366c1d3ad9.js","admin.css":"admin-6ca7b4a84aaf88d838da2e100eac0d224a4b38117f594a02099231b7569263cb.css","font-awesome/fontawesome-webfont.eot":"font-awesome/fontawesome-webfont-7bfcab6db99d5cfbf1705ca0536ddc78585432cc5fa41bbd7ad0f009033b2979.eot","font-awesome/fontawesome-webfont.woff2":"font-awesome/fontawesome-webfont-2adefcbc041e7d18fcf2d417879dc5a09997aa64d675b7a3c4b6ce33da13f3fe.woff2","font-awesome/fontawesome-webfont.woff":"font-awesome/fontawesome-webfont-ba0c59deb5450f5cb41b3f93609ee2d0d995415877ddfa223e8a8a7533474f07.woff","font-awesome/fontawesome-webfont.ttf":"font-awesome/fontawesome-webfont-aa58f33f239a0fb02f5c7a6c45c043d7a9ac9a093335806694ecd6d4edc0d6a8.ttf","font-awesome/fontawesome-webfont.svg":"font-awesome/fontawesome-webfont-ad6157926c1622ba4e1d03d478f1541368524bfc46f51e42fe0d945f7ef323e4.svg","college.js":"college-18f5e8400331634e898a35acc2187815c096c25e0ab74aba341ae916166cd287.js","college.css":"college-55ed707c611d1162b786815686efe68ecfb0af719c34efb70a827ead6fc7dfb1.css","logo.png":"logo-2efb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diff --git a/public/assets/admin-ec373bb8f02ae66ead75c67222fa1ab1b9e1eba533aa66a373330d4bcd5367e0.css b/public/assets/admin-6ca7b4a84aaf88d838da2e100eac0d224a4b38117f594a02099231b7569263cb.css
similarity index 99%
rename from public/assets/admin-ec373bb8f02ae66ead75c67222fa1ab1b9e1eba533aa66a373330d4bcd5367e0.css
rename to public/assets/admin-6ca7b4a84aaf88d838da2e100eac0d224a4b38117f594a02099231b7569263cb.css
index 2139e48c3..359032c95 100644
--- a/public/assets/admin-ec373bb8f02ae66ead75c67222fa1ab1b9e1eba533aa66a373330d4bcd5367e0.css
+++ b/public/assets/admin-6ca7b4a84aaf88d838da2e100eac0d224a4b38117f594a02099231b7569263cb.css
@@ -25631,35 +25631,35 @@ input.form-control {
   #sidebar.active .sidebar-header .sidebar-header-logo {
     display: none;
   }
-  /* line 175, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 174, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active .sidebar-header .sidebar-header-logo img {
     width: 93%;
   }
-  /* line 180, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 179, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active .sidebar-header #sidebarCollapse {
     width: 30px;
     height: 20px;
   }
-  /* line 186, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 185, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active ul li a {
     padding: 10px;
     font-size: 0.85em;
   }
-  /* line 190, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 189, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active ul li a i {
     margin-right: 0;
     display: block;
     margin-bottom: 5px;
   }
-  /* line 197, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 196, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active > ul > li > a > i {
     font-size: 1.8em;
   }
-  /* line 201, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 200, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active ul ul a {
     padding: 10px !important;
   }
-  /* line 210, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 211, app/assets/stylesheets/admins/sidebar.scss */
   .dropdown-toggle::after {
     top: auto;
     bottom: 10px;
diff --git a/public/assets/admin-ec373bb8f02ae66ead75c67222fa1ab1b9e1eba533aa66a373330d4bcd5367e0.css.gz b/public/assets/admin-6ca7b4a84aaf88d838da2e100eac0d224a4b38117f594a02099231b7569263cb.css.gz
similarity index 79%
rename from public/assets/admin-ec373bb8f02ae66ead75c67222fa1ab1b9e1eba533aa66a373330d4bcd5367e0.css.gz
rename to public/assets/admin-6ca7b4a84aaf88d838da2e100eac0d224a4b38117f594a02099231b7569263cb.css.gz
index 13d56eef6..bce64d407 100644
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diff --git a/public/assets/application-56435058722e602df053da570d97d118f02384f7dc0d2d3a0e4e9470aca3e63d.css.gz b/public/assets/application-56435058722e602df053da570d97d118f02384f7dc0d2d3a0e4e9470aca3e63d.css.gz
deleted file mode 100644
index 4da179e9a..000000000
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diff --git a/public/assets/application-56435058722e602df053da570d97d118f02384f7dc0d2d3a0e4e9470aca3e63d.css b/public/assets/application-9e90af35b93bc5ed1b294930f54696c175ef7beb01be2c0b98aedbab7fae3d66.css
similarity index 99%
rename from public/assets/application-56435058722e602df053da570d97d118f02384f7dc0d2d3a0e4e9470aca3e63d.css
rename to public/assets/application-9e90af35b93bc5ed1b294930f54696c175ef7beb01be2c0b98aedbab7fae3d66.css
index bb9b688f6..c8b9472f2 100644
--- a/public/assets/application-56435058722e602df053da570d97d118f02384f7dc0d2d3a0e4e9470aca3e63d.css
+++ b/public/assets/application-9e90af35b93bc5ed1b294930f54696c175ef7beb01be2c0b98aedbab7fae3d66.css
@@ -25631,35 +25631,35 @@ input.form-control {
   #sidebar.active .sidebar-header .sidebar-header-logo {
     display: none;
   }
-  /* line 175, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 174, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active .sidebar-header .sidebar-header-logo img {
     width: 93%;
   }
-  /* line 180, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 179, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active .sidebar-header #sidebarCollapse {
     width: 30px;
     height: 20px;
   }
-  /* line 186, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 185, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active ul li a {
     padding: 10px;
     font-size: 0.85em;
   }
-  /* line 190, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 189, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active ul li a i {
     margin-right: 0;
     display: block;
     margin-bottom: 5px;
   }
-  /* line 197, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 196, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active > ul > li > a > i {
     font-size: 1.8em;
   }
-  /* line 201, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 200, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active ul ul a {
     padding: 10px !important;
   }
-  /* line 210, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 211, app/assets/stylesheets/admins/sidebar.scss */
   .dropdown-toggle::after {
     top: auto;
     bottom: 10px;
@@ -26528,35 +26528,35 @@ input.form-control {
   #sidebar.active .sidebar-header .sidebar-header-logo {
     display: none;
   }
-  /* line 175, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 174, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active .sidebar-header .sidebar-header-logo img {
     width: 93%;
   }
-  /* line 180, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 179, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active .sidebar-header #sidebarCollapse {
     width: 30px;
     height: 20px;
   }
-  /* line 186, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 185, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active ul li a {
     padding: 10px;
     font-size: 0.85em;
   }
-  /* line 190, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 189, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active ul li a i {
     margin-right: 0;
     display: block;
     margin-bottom: 5px;
   }
-  /* line 197, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 196, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active > ul > li > a > i {
     font-size: 1.8em;
   }
-  /* line 201, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 200, app/assets/stylesheets/admins/sidebar.scss */
   #sidebar.active ul ul a {
     padding: 10px !important;
   }
-  /* line 210, app/assets/stylesheets/admins/sidebar.scss */
+  /* line 211, app/assets/stylesheets/admins/sidebar.scss */
   .dropdown-toggle::after {
     top: auto;
     bottom: 10px;
diff --git a/public/assets/application-9e90af35b93bc5ed1b294930f54696c175ef7beb01be2c0b98aedbab7fae3d66.css.gz b/public/assets/application-9e90af35b93bc5ed1b294930f54696c175ef7beb01be2c0b98aedbab7fae3d66.css.gz
new file mode 100644
index 000000000..66acb07f7
Binary files /dev/null and b/public/assets/application-9e90af35b93bc5ed1b294930f54696c175ef7beb01be2c0b98aedbab7fae3d66.css.gz differ