diff --git a/app/controllers/admin_controller.rb b/app/controllers/admin_controller.rb
index 05045ab12..1ed1581d1 100644
--- a/app/controllers/admin_controller.rb
+++ b/app/controllers/admin_controller.rb
@@ -36,15 +36,12 @@ class AdminController < ApplicationController
 
     scope = Project.status(@status).order('lft')
     scope = scope.like(params[:name]) if params[:name].present?
-    @projects = scope.all
+    @projects = scope.where(project_type: Project::ProjectType_project).all
 
     render :action => "projects", :layout => false if request.xhr?
   end
 
   def users
-    @project_type = params[:project_type]
-    role = params[:role]
-
     sort_init 'login', 'asc'
     sort_update %w(login firstname lastname mail admin created_on last_login_on)
 
@@ -56,95 +53,14 @@ class AdminController < ApplicationController
     end
 
     @status = params[:status] || 1
-    has = {
-        "show_changesets" => true
-    }
-    # @count = Redmine::Activity::Fetcher.new(User.current, :author => @user).scope_select {|t| !has["show_#{t}"].nil?}.events(nil, nil).count
-
-    scope = UserStatus.visible
-    case role
-      when 'teacher'
-        scope = UserStatus.teacher
-      when 'student'
-        scope = UserStatus.student
-      else
-
-    end
-
+    scope = User.logged.status(@status)
+    scope = User.like(params[:name]) if params[:name].present?
     scope = scope.in_group(params[:group_id]) if params[:group_id].present?
-    # scope.each do |user|
-    # UserStatus.create(:changesets_count => user.changesets.count, :watchers_count => user.watcher_users.count, :user_id => user.id)
-    # end
+
     @user_count = scope.count
     @user_pages = Paginator.new @user_count, @limit, params['page']
-    #@offset ||= @user_pages.offset
-    #@users =  scope.order(sort_clause).limit(@limit).offset(@offset).all
-    @user_base_tag = params[:id] ? 'base_users':'base'
-    if params[:user_sort_type].present?
-      case params[:user_sort_type]
-        when '0'
-          @offset ||= @user_pages.reverse_offset
-          unless @offset == 0
-            @users_statuses = scope.offset(@offset).limit(@limit).all.reverse
-          else
-            limit = @user_count % @limit
-            if limit == 0
-              limit = @limit
-            end
-            @users_statuses = scope.offset(@offset).limit(limit).all.reverse
-          end
-          @s_type = 0
-        # @projects = @projects.sort {|x,y| y.created_on <=> x.created_on }
-        # @projects = @projects[@offset, @limit]
-        when '1'
-          @offset ||= @user_pages.reverse_offset
-          unless @offset == 0
-            @users_statuses = scope.reorder('grade').offset(@offset).limit(@limit).all.reverse
-          else
-            limit = @user_count % @limit
-            if limit == 0
-              limit = @limit
-            end
-            @users_statuses = scope.reorder('grade').offset(@offset).limit(limit).all.reverse
-          end
-          @s_type = 1
-        #sort {|x,y| y.user_status.changesets_count <=> x.user_status.changesets_count}
-        #@users = @users[@offset, @limit]
-        when '2'
-          @offset ||= @user_pages.reverse_offset
-          unless @offset == 0
-            @users_statuses = scope.reorder('watchers_count').offset(@offset).limit(@limit).all.reverse
-          else
-            limit = @user_count % @limit
-            if limit == 0
-              limit = @limit
-            end
-            @users_statuses = scope.reorder('watchers_count').offset(@offset).limit(limit).all.reverse
-          end
-          @s_type = 2
-        #@users = @users[@offset, @limit]
-      end
-
-    else
-      @offset ||= @user_pages.reverse_offset
-      unless @offset == 0
-        @users_statuses = scope.reorder('grade').offset(@offset).limit(@limit).all.reverse
-      else
-        limit = @user_count % @limit
-        if limit == 0
-          limit = @limit
-        end
-        @users_statuses = scope.reorder('grade').offset(@offset).limit(limit).all.reverse
-      end
-      @s_type = 1
-      # @projects = @projects.sort {|x,y| y.created_on <=> x.created_on }
-      # @projects = @projects[@offset, @limit]
-    end
-
-    @users = []
-    @users_statuses.each do |obj|
-      @users << User.find_by_id("#{obj.user_id}")
-    end
+    @offset ||= @user_pages.offset
+    @users = scope.order(sort_clause).limit(@limit).offset(@offset).all
 
 
     respond_to do |format|
@@ -209,24 +125,13 @@ class AdminController < ApplicationController
     end
 
     @status = params[:status] || 1
-    has = {
-        "show_changesets" => true
-    }
     scope = User.logged.status(@status)
     scope = scope.like(params[:name]) if params[:name].present?
     @user_count = scope.count
     @user_pages = Paginator.new @user_count, @limit, params['page']
     @user_base_tag = params[:id] ? 'base_users':'base'
-    @offset ||= @user_pages.reverse_offset
-    unless @offset == 0
-      @users = scope.offset(@offset).limit(@limit).all.reverse
-    else
-      limit = @user_count % @limit
-      if limit == 0
-        limit = @limit
-      end
-      @users = scope.offset(@offset).limit(limit).all.reverse
-    end
+
+    @users = scope.offset(@user_pages.offset).limit(@user_pages.per_page)
 
     respond_to do |format|
       format.html {
diff --git a/app/controllers/softapplications_controller.rb b/app/controllers/softapplications_controller.rb
index d7b2477a8..1808a3eaa 100644
--- a/app/controllers/softapplications_controller.rb
+++ b/app/controllers/softapplications_controller.rb
@@ -19,20 +19,20 @@ class SoftapplicationsController < ApplicationController
 
     #new added sort
     if params[:softapplication_sort_type].present?
-    case params[:softapplication_sort_type]
+      case params[:softapplication_sort_type]
       when '0'
-          @softapplications = @softapplications[@offset, @limit]
+        @softapplications = @softapplications[@offset, @limit]
         @s_state = 0
       when '1'
-          @softapplications = @softapplications.sort { |x, y| y[:created_at] <=> x[:created_at]}[@offset, @limit]
+        @softapplications = @softapplications.sort { |x, y| y[:created_at] <=> x[:created_at]}[@offset, @limit]
         @s_state = 1
       end
-      else
-          @softapplications = @softapplications.sort { |x, y| y[:created_at] <=> x[:created_at]}[@offset, @limit]
-        @s_state = 1
+    else
+      @softapplications = @softapplications.sort { |x, y| y[:created_at] <=> x[:created_at]}[@offset, @limit]
+      @s_state = 1
     end    
     #new added end
-    
+
     respond_to do |format|
       format.html # index.html.erb
       format.json { render json: @softapplications }
@@ -216,19 +216,19 @@ class SoftapplicationsController < ApplicationController
   def new_message
     @jour = JournalsForMessage.find(params[:journal_id]) if params[:journal_id]
     if @jour
-    user = @jour.user
-    text = @jour.notes
+      user = @jour.user
+      text = @jour.notes
     else
-    user = @softapplication.user
-    text = @softapplication.description
+      user = @softapplication.user
+      text = @softapplication.description
     end
     text = text.to_s.strip.gsub(%r{<pre>((.|\s)*?)</pre>}m, '[...]')
     @content = "> #{ll(User.current.language, :text_user_wrote, user)}\n> "
     @content << text.gsub(/(\r?\n|\r\n?)/, "\n> ") + "\n\n"
     @id = user.id
-    rescue ActiveRecord::RecordNotFound
+  rescue ActiveRecord::RecordNotFound
     render_404
-    end
+  end
 
   #新建评价
   def create_message
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 0ca810cbe..a3bb96aa9 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -151,7 +151,7 @@ class UsersController < ApplicationController
 
   #  added by fq
   def user_activities
-    redirect_to user_path(@user, type: params[:type]) 
+    redirect_to user_path(@user, type: params[:type], page: params[:page]) 
     return
     # useless abort.
     @watcher = User.watched_by_id(@user)
@@ -586,7 +586,7 @@ class UsersController < ApplicationController
   def destroy
     @user.destroy
     respond_to do |format|
-      format.html { redirect_back_or_default(users_path) }
+      format.html { redirect_back_or_default(admin_users_path) }
       format.api  { render_api_ok }
     end
   end
diff --git a/app/models/softapplication.rb b/app/models/softapplication.rb
index f7eed43fc..770d70d53 100644
--- a/app/models/softapplication.rb
+++ b/app/models/softapplication.rb
@@ -10,7 +10,6 @@ class Softapplication < ActiveRecord::Base
   belongs_to :user
   belongs_to :project
   has_many :contests, :through => :contesting_softapplications
-  belongs_to :project
 
   def add_jour(user, notes, reference_user_id = 0, options = {})
     if options.count == 0
diff --git a/app/views/admin/search.html.erb b/app/views/admin/search.html.erb
index 17d91e78b..67c97366e 100644
--- a/app/views/admin/search.html.erb
+++ b/app/views/admin/search.html.erb
@@ -5,7 +5,7 @@
 
     <h3><%= l(:label_user_plural)%></h3>
 
-    <%= form_tag(:controller => 'admin', :action => 'search', :method => :get) do %>
+    <%= form_tag(:controller => 'admin', :action => 'search') do %>
         <fieldset>
           <legend>
             <%= l(:label_filter_plural) %>
@@ -51,7 +51,7 @@
               <td class="created_on" align="center"><%= format_time(user.created_on) %></td>
               <td class="last_login_on" align="center"><%= format_time(user.last_login_on) unless user.last_login_on.nil? %></td>
               <td class="buttons"> <%= change_status_link(user) %>
-                <%= delete_link user_path(user, :back_url => users_path(params)) unless User.current == user %> </td>
+                <%= delete_link user_path(user, :back_url => admin_users_path(params)) unless User.current == user %> </td>
             </tr>
         <% end -%>
         </tbody>
@@ -65,4 +65,4 @@
 
     <% html_title(l(:label_user_plural)) -%>
 
-<% end  %>
\ No newline at end of file
+<% end  %>
diff --git a/app/views/admin/users.html.erb b/app/views/admin/users.html.erb
index 4dceb5fd9..41df178d8 100644
--- a/app/views/admin/users.html.erb
+++ b/app/views/admin/users.html.erb
@@ -5,7 +5,7 @@
 
     <h3><%= l(:label_user_plural)%></h3>
 
-    <%= form_tag(:controller => 'admin', :action => 'search', :method => :get) do %>
+    <%= form_tag(:controller => 'admin', :action => 'search') do %>
         <fieldset>
           <legend>
             <%= l(:label_filter_plural) %>
@@ -51,7 +51,7 @@
               <td class="created_on" align="center"><%= format_time(user.created_on) %></td>
               <td class="last_login_on" align="center"><%= format_time(user.last_login_on) unless user.last_login_on.nil? %></td>
               <td class="buttons"> <%= change_status_link(user) %>
-                <%= delete_link user_path(user, :back_url => users_path(params)) unless User.current == user %> </td>
+                <%= delete_link user_path(user, :back_url => admin_users_path(params)) unless User.current == user %> </td>
             </tr>
         <% end -%>
         </tbody>
@@ -66,4 +66,4 @@
     <% html_title(l(:label_user_plural)) -%>
 <%else %>
 
-<% end%>
\ No newline at end of file
+<% end%>