diff --git a/app/views/graders/list.html.haml b/app/views/graders/list.html.haml
--- a/app/views/graders/list.html.haml
+++ b/app/views/graders/list.html.haml
@@ -10,10 +10,10 @@
   .panel-heading
     Grader control:
   .panel-body
-    =link_to 'Start Graders in grading env', { action: 'start_grading'}, class: 'btn btn-default', method: 'post'
-    =link_to 'Start Graders in exam env', { action: 'start_exam'}, class: 'btn btn-default', method: 'post'
-    =link_to 'Stop all running Graders', { action: 'stop_all'}, class: 'btn btn-default', method: 'post'
-    =link_to 'Clear all data', { action: 'clear_all'}, class: 'btn btn-default', method: 'post'
+    =link_to 'Start Graders in grading env', { action: 'start_grading'}, class: 'btn btn-default'
+    =link_to 'Start Graders in exam env', { action: 'start_exam'}, class: 'btn btn-default'
+    =link_to 'Stop all running Graders', { action: 'stop_all'}, class: 'btn btn-default'
+    =link_to 'Clear all data', { action: 'clear_all'}, class: 'btn btn-default'
 
 .row
   .col-md-6
diff --git a/app/views/layouts/_header.html.haml b/app/views/layouts/_header.html.haml
--- a/app/views/layouts/_header.html.haml
+++ b/app/views/layouts/_header.html.haml
@@ -67,7 +67,7 @@
                 = add_menu( 'Report', 'report', 'multiple_login')
             - if (ungraded = Submission.where('graded_at is null').where('submitted_at < ?', 1.minutes.ago).count) > 0
               =link_to "#{ungraded} backlogs!",
-                grader_list_path,
+                graders_list_path,
                 class: 'navbar-btn btn btn-default btn-warning', data: {toggle: 'tooltip'},title: 'Number of ungraded submission'
 
         %ul.nav.navbar-nav.navbar-right
diff --git a/app/views/problems/stat.html.haml b/app/views/problems/stat.html.haml
--- a/app/views/problems/stat.html.haml
+++ b/app/views/problems/stat.html.haml
@@ -6,19 +6,23 @@
 %h1 Problem stat: #{@problem.name}
 %h2 Overview
 
+.row
+  .col-md-2
+    %strong Name:
+  .col-md-10
+    = @problem.full_name #in_place_editor_field :problem, :full_name, {}, :rows=>1
+    = link_to_description_if_any "[#{t 'main.problem_desc'}] <span class='glyphicon glyphicon-file'></span>".html_safe, @problem
+.row
+  .col-md-2.strong
+    %strong Submissions:
+  .col-md-10
+    = @submissions.count
+.row
+  .col-md-2.strong
+    %strong Solved/Attemped User
+  .col-md-10
+    #{@summary[:solve]}/#{@summary[:attempt]} (#{(@summary[:solve]*100.0/@summary[:attempt]).round(1)}%)
 
-%table.info
-  %thead
-    %tr.info-head
-      %th Stat
-      %th Value
-  %tbody
-    %tr{class: cycle('info-even','info-odd')}
-      %td Submissions
-      %td= @submissions.count
-    %tr{class: cycle('info-even','info-odd')}
-      %td Solved/Attempted User
-      %td #{@summary[:solve]}/#{@summary[:attempt]} (#{(@summary[:solve]*100.0/@summary[:attempt]).round(1)}%)
 
 %h2 Submissions Count
 = render partial: 'application/bar_graph', locals: { histogram: @histogram }
diff --git a/config/routes.rb b/config/routes.rb
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -180,18 +180,19 @@
   get 'heartbeat/:id/edit' => 'heartbeat#edit'
 
   #grader
-  get 'graders/list', to: 'graders#list', as: 'grader_list'
+  #get 'graders/list', to: 'graders#list', as: 'grader_list'
   namespace :graders do
     get 'task/:id/:type', action: 'task', as: 'task'
     get 'view/:id/:type', action: 'view', as: 'view'
     get 'clear/:id', action: 'clear', as: 'clear'
-    get 'stop'
-    get 'stop_all'
-    get 'clear_all'
-    get 'clear_terminated'
     get 'start_grading'
     get 'start_exam'
+    get 'clear_all'
+    get 'stop_all'
 
+    get 'stop'
+    get 'clear_terminated'
+    get 'list'
   end