diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -7,7 +7,7 @@
 
   SINGLE_USER_MODE_CONF_KEY = 'system.single_user_mode'
   MULTIPLE_IP_LOGIN_CONF_KEY = 'right.multiple_ip_login'
-  ALLOW_WHITELIST_IP_ONLY_CONF_KEY = 'right.allow_whitelist_ip_only'
+  WHITELIST_IGNORE_CONF_KEY = 'right.whitelist_ignore'
   WHITELIST_IP_CONF_KEY = 'right.whitelist_ip'
 
   #report and redirect for unauthorized activities
@@ -81,9 +81,9 @@
     end
 
     # check if user ip is allowed
-    unless @current_user.admin? || !GraderConfiguration[ALLOW_WHITELIST_IP_ONLY_CONF_KEY]
+    unless @current_user.admin? || GraderConfiguration[WHITELIST_IGNORE_CONF_KEY]
       unless is_request_ip_allowed?
-        unauthorized_redirect 'Your IP is not allowed'
+        unauthorized_redirect 'Your IP is not allowed to login at this time.'
         return false
       end
     end
@@ -108,10 +108,8 @@
     #this assume that we have already authenticate normally
     unless GraderConfiguration[MULTIPLE_IP_LOGIN_CONF_KEY]
       user = User.find(session[:user_id])
-      puts "User admin #{user.admin?}"
       if (!user.admin? && user.last_ip && user.last_ip != request.remote_ip)
         flash[:notice] = "You cannot use the system from #{request.remote_ip}. Your last ip is #{user.last_ip}"
-        puts "hahaha"
         redirect_to :controller => 'main', :action => 'login'
         return false
       end
@@ -152,14 +150,16 @@
   end
 
   def is_request_ip_allowed?
-    if GraderConfiguration[ALLOW_WHITELIST_IP_ONLY_CONF_KEY]
+    unless GraderConfiguration[WHITELIST_IGNORE_CONF_KEY]
       user_ip = IPAddr.new(request.remote_ip)
-      GraderConfiguration[WHITELIST_IP_LIST_CONF_KEY].delete(' ').split(',').each do |ips|
+
+      GraderConfiguration[WHITELIST_IP_CONF_KEY].delete(' ').split(',').each do |ips|
         allow_ips = IPAddr.new(ips)
-        unless allow_ips.includes(user_ip)
-          return false
+        if allow_ips.include?(user_ip)
+          return true
         end
       end
+      return false
     end
     return true
   end
diff --git a/app/controllers/main_controller.rb b/app/controllers/main_controller.rb
--- a/app/controllers/main_controller.rb
+++ b/app/controllers/main_controller.rb
@@ -21,6 +21,7 @@
     saved_notice = flash[:notice]
     reset_session
     flash.now[:notice] = saved_notice
+    @remote_ip = request.remote_ip
 
     # EXPERIMENT:
     # Hide login if in single user mode and the url does not
diff --git a/app/controllers/report_controller.rb b/app/controllers/report_controller.rb
--- a/app/controllers/report_controller.rb
+++ b/app/controllers/report_controller.rb
@@ -465,6 +465,7 @@
   protected
 
   def calculate_max_score(problems, users,since_id,until_id, get_last_score = false)
+    #scorearray[i] = user #i's user stat where i is the index (not id)
     scorearray = Array.new
     users.each do |u|
       ustat = Array.new
diff --git a/app/controllers/submissions_controller.rb b/app/controllers/submissions_controller.rb
--- a/app/controllers/submissions_controller.rb
+++ b/app/controllers/submissions_controller.rb
@@ -75,9 +75,6 @@
   def get_latest_submission_status
     @problem = Problem.find(params[:pid])
     @submission = Submission.find_last_by_user_and_problem(params[:uid],params[:pid])
-    puts User.find(params[:uid]).login
-    puts Problem.find(params[:pid]).name
-    puts 'nil' unless @submission
     respond_to do |format|
       format.js
     end
diff --git a/app/controllers/user_admin_controller.rb b/app/controllers/user_admin_controller.rb
--- a/app/controllers/user_admin_controller.rb
+++ b/app/controllers/user_admin_controller.rb
@@ -61,6 +61,7 @@
 
     note = []
     error_note = []
+    error_msg = nil
     ok_user = []
 
     lines.split("\n").each do |line|
@@ -76,7 +77,7 @@
           password = items[2].chomp(" ")
         else
           password = random_password
-          add_random_password=true;
+          added_random_password=true;
         end
 
         if items.length>= 4 and items[3].chomp(" ").length > 0;
@@ -96,11 +97,11 @@
           user.remark = remark
         else
           user = User.new({:login => login,
-                            :full_name => full_name,
-                            :password => password,
-                            :password_confirmation => password,
-                            :alias => user_alias,
-                            :remark => remark})
+                           :full_name => full_name,
+                           :password => password,
+                           :password_confirmation => password,
+                           :alias => user_alias,
+                           :remark => remark})
         end
         user.activated = true
 
@@ -112,7 +113,8 @@
           end
           ok_user << user
         else
-          error_note << "#{login}"
+          error_note << "'#{login}'"
+          error_msg = user.errors.full_messages.to_sentence unless error_msg
         end
 
       end
@@ -127,11 +129,13 @@
     end
 
     # show flash
-    flash[:success] = 'User(s) ' + note.join(', ') + 
-      ' were successfully created.  ' +
-      '( (+) - created with random passwords.)'   
+    if note.size > 0
+      flash[:success] = 'User(s) ' + note.join(', ') + 
+        ' were successfully created.  ' +
+        '( (+) - created with random passwords.)'   
+    end
     if error_note.size > 0
-      flash[:error] = "Following user(s) failed to be created: " + error_note.join(', ')
+      flash[:error] = "Following user(s) failed to be created: " + error_note.join(', ') + ". The error of the first failed one are: " + error_msg;
     end
     redirect_to :action => 'index'
   end
diff --git a/app/views/groups/show.html.haml b/app/views/groups/show.html.haml
--- a/app/views/groups/show.html.haml
+++ b/app/views/groups/show.html.haml
@@ -21,11 +21,13 @@
             %li
               If you want to add several users to a group, it may be easier to just re-import those users in 
               = link_to 'New list of users', new_list_user_admin_index_path
-              page
+              page. You can also use 
+              = link_to 'Bulk Manage User', bulk_manage_user_admin_index_path
+              page.
           =form_tag add_user_group_path(@group), class: 'form-inline' do
             .form-group
               =label_tag :user_id, "User"
-              =select_tag :user_id, options_from_collection_for_select(User.all,'id','full_name'), class: 'select2'
+              =select_tag :user_id, options_from_collection_for_select(User.all,'id','full_name'), class: 'select2', style: 'width: 10em';
             =submit_tag "Add",class: 'btn btn-primary'
 
 
@@ -52,12 +54,12 @@
           %ul
             %li
               If you want to add several problem to a group, it may be easier to bulk manage them in the
-              = link_to 'Bulk Manage', manage_problems_path
+              = link_to 'Bulk Manage Problems', manage_problems_path
               page
           =form_tag add_problem_group_path(@group), class: 'form-inline' do
             .form-group
               =label_tag :problem_id, "Problem"
-              =select_tag :problem_id, options_from_collection_for_select(Problem.all,'id','full_name'), class: 'select2'
+              =select_tag :problem_id, options_from_collection_for_select(Problem.all,'id','full_name'), class: 'select2', style: 'width: 10em';
             =submit_tag "Add",class: 'btn btn-primary'
 
 
diff --git a/app/views/main/login.html.haml b/app/views/main/login.html.haml
--- a/app/views/main/login.html.haml
+++ b/app/views/main/login.html.haml
@@ -9,3 +9,4 @@
         = render :partial => 'announcement', :collection => @announcements
   .col-md-4{style: "padding-left: 20px;"}
     = render :partial => 'login_box'
+    = "current ip is #{@remote_ip}"
diff --git a/app/views/report/_score_table.html.haml b/app/views/report/_score_table.html.haml
--- a/app/views/report/_score_table.html.haml
+++ b/app/views/report/_score_table.html.haml
@@ -12,9 +12,9 @@
       %th.text-right Total
       %th.text-right Passed
   %tbody
-    - sum = Array.new(@scorearray[0].count,0)
-    - nonzero = Array.new(@scorearray[0].count,0)
-    - full = Array.new(@scorearray[0].count,0)
+    - sum = Array.new(@problems.count+1,0)
+    - nonzero = Array.new(@problems.count+1,0)
+    - full = Array.new(@problems.count+1,0)
     - @scorearray.each do |sc|
       %tr
         - total,num_passed = 0,0
diff --git a/app/views/report/current_score.html.haml b/app/views/report/current_score.html.haml
--- a/app/views/report/current_score.html.haml
+++ b/app/views/report/current_score.html.haml
@@ -2,7 +2,7 @@
   %h1 Current Score
   = form_tag current_score_report_path, method: 'get' do
     Show only users from this group
-    = select_tag "group_id", options_from_collection_for_select( Group.all, 'id','name',params[:group_name]), id: 'group_name',class: 'select2'
+    = select_tag "group_id", options_from_collection_for_select( Group.all, 'id','name',params[:group_id]), id: 'group_name',class: 'select2', style: 'width: 20em';
     = submit_tag 'Apply',class: 'btn btn-default'
 
   %br
diff --git a/config/routes.rb b/config/routes.rb
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -147,7 +147,6 @@
     get 'current_score(/:group_id)', action: 'current_score', as: 'current_score'
     get 'max_score'
     post 'show_max_score'
-    get 'problem_hof(/:id)', action: 'problem_hof', as: 'problem_hof'
     get 'stuck'
     get 'cheat_report'
     post 'cheat_report'
diff --git a/db/schema.rb b/db/schema.rb
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -12,7 +12,7 @@
 
 ActiveRecord::Schema.define(version: 2018_06_12_102327) do
 
-  create_table "announcements", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "announcements", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "author"
     t.text "body"
     t.boolean "published"
@@ -24,7 +24,7 @@
     t.string "notes"
   end
 
-  create_table "contests", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "contests", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "title"
     t.boolean "enabled"
     t.datetime "created_at"
@@ -32,30 +32,30 @@
     t.string "name"
   end
 
-  create_table "contests_problems", id: false, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "contests_problems", id: false, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "contest_id"
     t.integer "problem_id"
   end
 
-  create_table "contests_users", id: false, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "contests_users", id: false, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "contest_id"
     t.integer "user_id"
   end
 
-  create_table "countries", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "countries", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "name"
     t.datetime "created_at"
     t.datetime "updated_at"
   end
 
-  create_table "descriptions", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "descriptions", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.text "body"
     t.boolean "markdowned"
     t.datetime "created_at"
     t.datetime "updated_at"
   end
 
-  create_table "grader_configurations", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "grader_configurations", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "key"
     t.string "value_type"
     t.string "value"
@@ -64,7 +64,7 @@
     t.text "description"
   end
 
-  create_table "grader_processes", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "grader_processes", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "host"
     t.integer "pid"
     t.string "mode"
@@ -74,21 +74,21 @@
     t.integer "task_id"
     t.string "task_type"
     t.boolean "terminated"
-    t.index ["host", "pid"], name: "index_grader_processes_on_ip_and_pid"
+    t.index ["host", "pid"], name: "index_grader_processes_on_host_and_pid"
   end
 
-  create_table "groups", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci", force: :cascade do |t|
+  create_table "groups", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "name"
     t.string "description"
   end
 
-  create_table "groups_problems", id: false, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci", force: :cascade do |t|
+  create_table "groups_problems", id: false, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "problem_id", null: false
     t.integer "group_id", null: false
     t.index ["group_id", "problem_id"], name: "index_groups_problems_on_group_id_and_problem_id"
   end
 
-  create_table "groups_users", id: false, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci", force: :cascade do |t|
+  create_table "groups_users", id: false, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "group_id", null: false
     t.integer "user_id", null: false
     t.index ["user_id", "group_id"], name: "index_groups_users_on_user_id_and_group_id"
@@ -97,13 +97,13 @@
   create_table "heart_beats", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "user_id"
     t.string "ip_address"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.string "status"
     t.index ["updated_at"], name: "index_heart_beats_on_updated_at"
   end
 
-  create_table "languages", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "languages", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "name", limit: 10
     t.string "pretty_name"
     t.string "ext", limit: 10
@@ -113,11 +113,11 @@
   create_table "logins", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "user_id"
     t.string "ip_address"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
-  create_table "messages", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "messages", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "sender_id"
     t.integer "receiver_id"
     t.integer "replying_message_id"
@@ -127,7 +127,7 @@
     t.datetime "updated_at"
   end
 
-  create_table "problems", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "problems", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "name", limit: 30
     t.string "full_name"
     t.integer "full_score"
@@ -141,7 +141,7 @@
     t.boolean "view_testcase"
   end
 
-  create_table "problems_tags", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci", force: :cascade do |t|
+  create_table "problems_tags", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "problem_id"
     t.integer "tag_id"
     t.index ["problem_id", "tag_id"], name: "index_problems_tags_on_problem_id_and_tag_id", unique: true
@@ -149,29 +149,29 @@
     t.index ["tag_id"], name: "index_problems_tags_on_tag_id"
   end
 
-  create_table "rights", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "rights", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "name"
     t.string "controller"
     t.string "action"
   end
 
-  create_table "rights_roles", id: false, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "rights_roles", id: false, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "right_id"
     t.integer "role_id"
     t.index ["role_id"], name: "index_rights_roles_on_role_id"
   end
 
-  create_table "roles", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "roles", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "name"
   end
 
-  create_table "roles_users", id: false, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "roles_users", id: false, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "role_id"
     t.integer "user_id"
     t.index ["user_id"], name: "index_roles_users_on_user_id"
   end
 
-  create_table "sessions", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "sessions", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "session_id"
     t.text "data"
     t.datetime "updated_at"
@@ -179,7 +179,7 @@
     t.index ["updated_at"], name: "index_sessions_on_updated_at"
   end
 
-  create_table "sites", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "sites", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "name"
     t.boolean "started"
     t.datetime "start_time"
@@ -192,11 +192,11 @@
   create_table "submission_view_logs", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "user_id"
     t.integer "submission_id"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
-  create_table "submissions", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "submissions", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "user_id"
     t.integer "problem_id"
     t.integer "language_id"
@@ -218,7 +218,7 @@
     t.index ["user_id", "problem_id"], name: "index_submissions_on_user_id_and_problem_id"
   end
 
-  create_table "tags", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci", force: :cascade do |t|
+  create_table "tags", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "name", null: false
     t.text "description"
     t.boolean "public"
@@ -226,7 +226,7 @@
     t.datetime "updated_at", null: false
   end
 
-  create_table "tasks", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "tasks", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "submission_id"
     t.datetime "created_at"
     t.integer "status"
@@ -234,7 +234,7 @@
     t.index ["submission_id"], name: "index_tasks_on_submission_id"
   end
 
-  create_table "test_pairs", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "test_pairs", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "problem_id"
     t.text "input", limit: 16777215
     t.text "solution", limit: 16777215
@@ -242,7 +242,7 @@
     t.datetime "updated_at"
   end
 
-  create_table "test_requests", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "test_requests", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "user_id"
     t.integer "problem_id"
     t.integer "submission_id"
@@ -263,7 +263,7 @@
     t.index ["user_id", "problem_id"], name: "index_test_requests_on_user_id_and_problem_id"
   end
 
-  create_table "testcases", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci", force: :cascade do |t|
+  create_table "testcases", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "problem_id"
     t.integer "num"
     t.integer "group"
@@ -275,14 +275,15 @@
     t.index ["problem_id"], name: "index_testcases_on_problem_id"
   end
 
-  create_table "user_contest_stats", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "user_contest_stats", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.integer "user_id"
     t.datetime "started_at"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.boolean "forced_logout"
   end
 
-  create_table "users", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
+  create_table "users", id: :integer, options: "ENGINE=InnoDB DEFAULT CHARSET=latin1", force: :cascade do |t|
     t.string "login", limit: 50
     t.string "full_name"
     t.string "hashed_password"
diff --git a/db/seeds.rb b/db/seeds.rb
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -100,7 +100,7 @@
      :key => 'right.view_testcase',
      :value_type => 'boolean',
      :default_value => 'false',
-     :description => 'When true, any user can view/download test data'
+     :description => 'If true, any user can view/download test data'
    },
    
    {
@@ -182,17 +182,17 @@
 
 
    {
-     :key => 'right.whitelist_ip_only',
+     :key => 'right.whitelist_ignore',
      :value_type => 'boolean',
-     :default_value => 'false',
-     :description => "If true, non-admin user will be able to use the system only when their ip is in the 'whitelist_ip'."
+     :default_value => 'true',
+     :description => "If true, no IP check against whitelist_ip is perform. However, when false, non-admin user must have their ip in 'whitelist_ip' to be able to login."
    },
 
    {
      :key => 'right.whitelist_ip',
      :value_type => 'string',
      :default_value => '0.0.0.0/0',
-     :description => "list of whitelist ip, given in comma separated CIDR notation. For example '161.200.92.0/23, 161.200.80.1/32'"
+     :description => "list of whitelist ip, given in comma separated CIDR notation. For example '192.168.90.0/23, 192.168.1.23/32'"
    },
 
   ]
@@ -274,7 +274,7 @@
 end
 
 def seed_more_languages
-  Language.delete_all
+  #Language.delete_all
   Language.find_or_create_by( name: 'c', pretty_name: 'C', ext: 'c', common_ext: 'c' )
   Language.find_or_create_by( name: 'cpp', pretty_name: 'C++', ext: 'cpp', common_ext: 'cpp,cc' )
   Language.find_or_create_by( name: 'pas', pretty_name: 'Pascal', ext: 'pas', common_ext: 'pas' )
diff --git a/test/system/users_test.rb b/test/system/users_test.rb
--- a/test/system/users_test.rb
+++ b/test/system/users_test.rb
@@ -50,7 +50,7 @@
 
     click_on 'New list of users', match: :first
     find(:css, 'textarea').fill_in with:"abc1,Boaty McBoatface,abcdef,alias1,remark1,\nabc2,Boaty2 McSecond,acbdef123,aias2,remark2"
-    click_on 'create users'
+    click_on 'Create following users'
 
     assert_text('remark1')
     assert_text('remark2')