diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index 355033b8f..bbc3e1596 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -626,14 +626,14 @@ update
     graph.burn
   end
 
-  # 用户每月提交次数
+  # 用户最近一年的提交次数
   def graph_author_commits_per_month(repository)
     @date_to = Date.today
-    @date_from = @date_to << 1
+    @date_from = @date_to << 12
     @date_from = Date.civil(@date_from.year, @date_from.month,  @date_from.day)
     commits_by_author = Changeset.count(:all, :group => :committer,
                                          :conditions => ["#{Changeset.table_name}.repository_id = ? AND #{Changeset.table_name}.commit_date BETWEEN ? AND ?", repository.id, @date_from, @date_to])
-    commits_by_author = commits_by_author.to_a.sort! {|x, y| x.last <=> y.last}.last(40)
+    commits_by_author = commits_by_author.to_a.sort! {|x, y| x.last <=> y.last}.last(25)
 
     fields = commits_by_author.collect {|r| r.first}
     commits_data = commits_by_author.collect {|r| r.last}
@@ -652,8 +652,9 @@ update
         :scale_integers => true,
         :show_data_values => true,
         :rotate_y_labels => false,
-        :graph_title => l(:label_author_commits_per_month),
-        :show_graph_title => true
+        :graph_title => l(:label_author_commits_year),
+        :show_graph_title => true,
+        :no_css => true
     )
     graph.add_data(
         :data => commits_data,
@@ -735,7 +736,7 @@ update
     )
     graph.add_data(
         :data => commits_data,
-        :title => l(:label_revision_plural)
+        :title => l(:lable_revision_code_count)
     )
     graph.burn
   end
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index a5f4f4d10..78e8379dc 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -669,6 +669,7 @@ zh:
   label_tag: 标签
   label_revision: 修订
   label_revision_plural: 修订
+  lable_revision_code_count: 代码量
   label_revision_id: 修订 %{value}
   label_associated_revisions: 相关修订版本
   label_added: 已添加