diff --git a/seahub/templates/js/templates.html b/seahub/templates/js/templates.html
index 9a111adee9..b001bb1b82 100644
--- a/seahub/templates/js/templates.html
+++ b/seahub/templates/js/templates.html
@@ -196,12 +196,10 @@
     </td>
     <td><a href="#group/<%= group_id %>/lib/<%= id %>" class="normal"><%- name %></a></td>
     <td class="alc">
-        <% if (show_admin && app.pageOptions.is_pro) { %>
-            <% if (is_admin) { %>
-                <a href="#" class="sf2-icon-share sf2-x repo-share-btn op-icon vh" title="{% trans "Share" %}" aria-label="{% trans "Share" %}"></a>
-            <% } %>
+        <% if (app.pageOptions.is_pro && is_admin) { %>
+            <a href="#" class="sf2-icon-share sf2-x repo-share-btn op-icon vh" title="{% trans "Share" %}" aria-label="{% trans "Share" %}"></a>
         <% } %>
-        <% if (is_staff || share_from_me || is_admin) { %>
+        <% if (is_staff || share_from_me) { %>
             <a href="#" class="sf2-icon-delete sf2-x cancel-share op-icon vh" title="{% trans "Unshare" %}" aria-label="{% trans "Unshare" %}"></a>
         <% } %>
     </td>
@@ -224,6 +222,9 @@
         <span class="repo-meta-info"><%= mtime_relative %></span>
     </td>
     <td class="alc">
+        <% if (app.pageOptions.is_pro && is_admin) { %>
+            <a href="#" class="sf2-icon-share sf2-x repo-share-btn op-icon" title="{% trans "Share" %}" aria-label="{% trans "Share" %}"></a>
+        <% } %>
         <% if (is_staff || share_from_me) { %>
             <a href="#" class="sf2-icon-delete sf2-x cancel-share op-icon" title="{% trans "Unshare" %}" aria-label="{% trans "Unshare" %}"></a>
         <% } %>
@@ -1117,6 +1118,9 @@
         <span class="repo-meta-info"><%= mtime_relative %></span>
     </td>
     <td class="alc">
+        <% if (app.pageOptions.is_pro && is_admin) { %>
+        <a href="#" class="sf2-icon-share sf2-x repo-share-btn op-icon" title="{% trans "Share" %}"></a>
+        <% } %>
         <a href="#" class="sf2-icon-delete sf2-x unshare-btn op-icon" title="{% trans "Leave Share" %}"></a>
     </td>
 </script>
@@ -1521,12 +1525,12 @@
 <script type="text/template" id="shared-repos-hd-mobile-tmpl">
     <tr>
         <th width="4%"><span class="sr-only">{% trans "Library Type" %}</span><!--icon--></th>
-        <th width="92%">
+        <th width="90%">
             {% trans "Sort:" %}
             <a class="table-sort-op mobile-table-sort-op by-name" href="#">{% trans "name" %} <span class="sort-icon icon-caret-down hide"></span></a>
             <a class="table-sort-op mobile-table-sort-op by-time" href="#">{% trans "last update" %} <span class="sort-icon icon-caret-up"></span></a>
         </th>
-        <th width="4%"><span class="sr-only">{% trans "Actions" %}</span><!--op--></th>
+        <th width="6%"><span class="sr-only">{% trans "Actions" %}</span><!--op--></th>
     </tr>
 </script>
 
diff --git a/static/scripts/app/views/group-item.js b/static/scripts/app/views/group-item.js
index e6de3bcc8c..337cb24f69 100644
--- a/static/scripts/app/views/group-item.js
+++ b/static/scripts/app/views/group-item.js
@@ -43,8 +43,7 @@ define([
                     model: new GroupRepo(item, {collection: groupRepos}),
                     group_id: group_id,
                     is_staff: is_staff,
-                    show_shared_by: false, // don't show 'Shared By'
-                    show_admin: false
+                    show_shared_by: false // don't show 'Shared By'
                 });
                 $listContainer.append(view.render().el);
             });
diff --git a/static/scripts/app/views/group-repo.js b/static/scripts/app/views/group-repo.js
index 1037c0bced..91e65283f3 100644
--- a/static/scripts/app/views/group-repo.js
+++ b/static/scripts/app/views/group-repo.js
@@ -31,7 +31,6 @@ define([
             }
 
             this.listenTo(this.model, 'destroy', this.remove);
-            this.show_admin = options.show_admin
         },
 
         render: function() {
@@ -43,22 +42,23 @@ define([
                 group_id: this.group_id,
                 is_staff: this.is_staff,
                 // for '#groups' (no 'share_from_me')
-                share_from_me: app.pageOptions.username == this.model.get('owner') ? true : false,
+                share_from_me: app.pageOptions.username == this.model.get('owner'),
                 // 'owner_name' for '#groups', 'owner_nickname' for '#group/id/'
                 owner_name: this.model.get('owner_nickname') || this.model.get('owner_name'),
                 show_shared_by: this.show_shared_by,
                 icon_url: icon_url,
-                icon_title: this.model.getIconTitle(),
-                is_admin: this.model.get('is_admin'),
-                show_admin: this.show_admin
+                icon_title: this.model.getIconTitle()
             });
             this.$el.html(tmpl(obj));
             return this;
         },
 
+        // only for 'is_admin:true'
         share: function() {
             var options = {
-                'is_repo_owner': true,
+                'is_repo_owner': app.pageOptions.username == this.model.get('owner'),
+                'is_admin': true, // only for shared repo
+                'is_virtual': false,
                 'user_perm': 'rw',
                 'repo_id': this.model.get('id'),
                 'repo_encrypted': this.model.get('encrypted'),
@@ -66,6 +66,7 @@ define([
                 'dirent_path': '/',
                 'obj_name': this.model.get('name')
             };
+
             new ShareView(options);
             return false;
         },
diff --git a/static/scripts/app/views/group.js b/static/scripts/app/views/group.js
index 5914014b13..9c60b6f7f1 100644
--- a/static/scripts/app/views/group.js
+++ b/static/scripts/app/views/group.js
@@ -47,8 +47,7 @@ define([
             var view = new GroupRepoView({
                 model: repo,
                 group_id: this.group_id,
-                is_staff: this.repos.is_staff,
-                show_admin: true
+                is_staff: this.repos.is_staff
             });
             if (options.prepend) {
                 this.$tableBody.prepend(view.render().el);
diff --git a/static/scripts/app/views/share.js b/static/scripts/app/views/share.js
index dbe2a04a3e..fd51f632d4 100644
--- a/static/scripts/app/views/share.js
+++ b/static/scripts/app/views/share.js
@@ -848,8 +848,8 @@ define([
                             $add_item.after(new_item.el);
                         });
                         $groups_input.select2("val", "");
+                        $('option', $perm).removeAttr('selected');
                         $('[value="rw"]', $perm).attr('selected', 'selected');
-                        $('[value="r"]', $perm).removeAttr('selected');
                         $error.addClass('hide');
                     }
                     if (data.failed.length > 0) {
diff --git a/static/scripts/app/views/shared-repo.js b/static/scripts/app/views/shared-repo.js
index 0ca10bf56a..3f8b10da38 100644
--- a/static/scripts/app/views/shared-repo.js
+++ b/static/scripts/app/views/shared-repo.js
@@ -15,8 +15,8 @@ define([
         mobileTemplate: _.template($('#shared-repo-mobile-tmpl').html()),
 
         events: {
-            'click .unshare-btn': 'removeShare',
-            'click .repo-share-btn': 'share'
+            'click .repo-share-btn': 'share',
+            'click .unshare-btn': 'removeShare'
         },
 
         initialize: function() {