diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index f5fa007a5..f71d11802 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -459,6 +459,10 @@ update
       data = graph_commits_per_month(@repository)
     when "commits_per_author"
       data = graph_commits_per_author(@repository)
+    when "author_commits_per_month"
+      data = graph_author_commits_per_month(@repository)
+    when "author_qoc_per_author"
+      data = graph_author_qoc_per_author(@repository)
     end
     if data
       headers["Content-Type"] = "image/svg+xml"
@@ -536,12 +540,15 @@ update
   def graph_commits_per_month(repository)
     @date_to = Date.today
     @date_from = @date_to << 11
-    @date_from = Date.civil(@date_from.year, @date_from.month, 1)
+    @date_from = Date.civil(@date_from.year, @date_from.month, 1) ##    Date.new(2001,2,-1)       #=> #<Date: 2001-02-28 ...>
+    # commits_by_day[0] 为data 【2】为count
     commits_by_day = Changeset.count(
                           :all, :group => :commit_date,
                           :conditions => ["repository_id = ? AND commit_date BETWEEN ? AND ?", repository.id, @date_from, @date_to])
     commits_by_month = [0] * 12
-    commits_by_day.each {|c| commits_by_month[(@date_to.month - c.first.to_date.month) % 12] += c.last }
+    commits_by_day.each do |c|
+      commits_by_month[(@date_to.month - c.first.to_date.month) % 12] += c.last
+    end
 
     changes_by_day = Change.count(
                           :all, :group => :commit_date, :include => :changeset,
@@ -617,6 +624,52 @@ update
     )
     graph.burn
   end
+
+  # 用户每月提交次数
+  def graph_author_commits_per_month(repository)
+    commits_by_author = Changeset.count(:all, :group => :committer, :conditions => ["repository_id = ?", repository.id])
+    commits_by_author = commits_by_author.to_a.sort! {|x, y| x.last <=> y.last}.last(25)
+
+    changes_by_author = Change.count(:all, :group => :committer, :include => :changeset, :conditions => ["#{Changeset.table_name}.repository_id = ?", repository.id])
+    h = changes_by_author.inject({}) {|o, i| o[i.first] = i.last; o}
+
+    fields = commits_by_author.collect {|r| r.first}
+    commits_data = commits_by_author.collect {|r| r.last}
+    changes_data = commits_by_author.collect {|r| h[r.first] || 0}
+
+    fields = fields + [""]*(10 - fields.length) if fields.length<10
+    commits_data = commits_data + [0]*(10 - commits_data.length) if commits_data.length<10
+    changes_data = changes_data + [0]*(10 - changes_data.length) if changes_data.length<10
+
+    # Remove email adress in usernames
+    fields = fields.collect {|c| c.gsub(%r{<.+@.+>}, '') }
+
+    graph = SVG::Graph::BarHorizontal.new(
+        :height => 400,
+        :width => 600,
+        :fields => fields,
+        :stack => :side,
+        :scale_integers => true,
+        :show_data_values => true,
+        :rotate_y_labels => false,
+        :graph_title => l(:label_author_commits_per_month),
+        :show_graph_title => true
+    )
+    graph.add_data(
+        :data => commits_data,
+        :title => l(:label_revision_plural)
+    )
+    # graph.add_data(
+    #     :data => changes_data,
+    #     :title => l(:label_change_plural)
+    # )
+    graph.burn
+  end
+
+  def graph_author_qoc_per_author(repository)
+
+  end
+
   def check_hidden_repo
     project = Project.find(params[:id])
     if !User.current.member_of?(project)
diff --git a/app/views/repositories/stats.html.erb b/app/views/repositories/stats.html.erb
index fe3bf20ac..0eb04b891 100644
--- a/app/views/repositories/stats.html.erb
+++ b/app/views/repositories/stats.html.erb
@@ -7,7 +7,15 @@
   <%= tag("embed", :width => 670, :height => 300, :type => "image/svg+xml", :src => url_for(:controller => 'repositories', :action => 'graph', :id => @project, :repository_id => @repository.identifier_param, :graph => "commits_per_month")) %>
 </p>
 <p style="padding-top: 50px;">
+  <%# 用户每月提交代码次数 %>
   <%= tag("embed", :width => 670, :height => 400, :type => "image/svg+xml", :src => url_for(:controller => 'repositories', :action => 'graph', :id => @project, :repository_id => @repository.identifier_param, :graph => "commits_per_author")) %>
 </p>
+<p style="padding-top: 50px;">
+  <%= tag("embed", :width => 670, :height => 400, :type => "image/svg+xml", :src => url_for(:controller => 'repositories', :action => 'graph', :id => @project, :repository_id => @repository.identifier_param, :graph => "author_commits_per_month")) %>
+</p>
+<p style="padding-top: 50px;">
+  <%# 用户每月提交代码量 %>
+  <%= tag("embed", :width => 670, :height => 400, :type => "image/svg+xml", :src => url_for(:controller => 'repositories', :action => 'graph', :id => @project, :repository_id => @repository.identifier_param, :graph => "author_qoc_per_author")) %>
+</p>
 <p><%= link_to l(:button_back), :action => 'show', :id => @project %></p>
 <% html_title(l(:label_repository), l(:label_statistics)) -%>
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index b2faa6319..2c628894e 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -715,6 +715,7 @@ zh:
 
   label_commits_per_month: 每月提交次数
   label_commits_per_author: 每用户提交次数
+  label_author_commits_per_month: 用户最近一月的提交次数
   label_view_diff: 查看差别
   label_diff_inline: 直列
   label_diff_side_by_side: 并排