diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 95125cd11..8563f6f02 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -102,7 +102,7 @@ module ApplicationHelper
     sheet1 = book.create_worksheet :name => "issues"
     blue = Spreadsheet::Format.new :color => :blue, :weight => :bold, :size => 10
     sheet1.row(0).default_format = blue
-    sheet1.row(0).concat([l(:issue_xls_id),l(:issue_xls_tracker_id),l(:issue_xls_title),l(:issue_xls_description),l(:issue_xls_status),l(:issue_xls_assign),l(:issue_xls_priority),l(:issue_xls_author),l(:issue_xls_created_at),l(:issue_xls_version),l(:issue_xls_start),l(:issue_xls_due),l(:issue_xls_ratio)])
+    sheet1.row(0).concat([l(:issue_xls_id),l(:issue_xls_tracker_id),l(:issue_xls_title),l(:issue_xls_description),l(:issue_xls_status),l(:issue_xls_assign),l(:issue_xls_priority),l(:issue_xls_author),l(:issue_xls_created_at),l(:milestone),l(:issue_xls_start),l(:issue_xls_due),l(:issue_xls_ratio)])
     count_row = 1
     issues.each do |issue|
       sheet1[count_row,0] = issue.id
@@ -113,10 +113,10 @@ module ApplicationHelper
       sheet1[count_row,5] = issue.assigned_to.try(:show_name)
       sheet1[count_row,6] = issue_priority_change(issue.priority_id)
       sheet1[count_row,7] = issue.author.show_name
-      sheet1[count_row,8] = issue.created_on
+      sheet1[count_row,8] = issue.created_on.nil? ? issue.created_on : issue.created_on.strftime('%Y-%m-%d %H:%M:%S')
       sheet1[count_row,9] = issue.fixed_version.try(:name)
-      sheet1[count_row,10] = issue.start_date
-      sheet1[count_row,11] = issue.due_date
+      sheet1[count_row,10] = issue.start_date.nil? ? issue.start_date :  issue.start_date.strftime('%Y-%m-%d')
+      sheet1[count_row,11] = issue.due_date.nil? ? issue.due_date : issue.due_date.strftime('%Y-%m-%d')
       sheet1[count_row,12] = issue_ratio_change(issue.done_ratio, issue.status_id)
       count_row += 1
     end
diff --git a/app/views/issues/_attributes.html.erb b/app/views/issues/_attributes.html.erb
index 80c8ad185..f7d7b4d50 100644
--- a/app/views/issues/_attributes.html.erb
+++ b/app/views/issues/_attributes.html.erb
@@ -44,7 +44,7 @@
           <div class="cl"></div>
           <li>
             <% if @issue.safe_attribute?('fixed_version_id') && @issue.assignable_versions.any? %>
-            <label class="label"><%= l(:field_fixed_version) %>：</label>
+            <label class="label"><%= l(:milestone) %>：</label>
                 <%= f.select :fixed_version_id, version_options_for_select(@issue.assignable_versions, @issue.fixed_version),
                          {:include_blank => true, :required => @issue.required_attribute?('fixed_version_id'), :no_label => true},
                           :class => "w150" %>
diff --git a/app/views/issues/_attributes_show.html.erb b/app/views/issues/_attributes_show.html.erb
index 15160facb..7ff59fd9d 100644
--- a/app/views/issues/_attributes_show.html.erb
+++ b/app/views/issues/_attributes_show.html.erb
@@ -40,7 +40,7 @@
         <% end %>
         <div class="cl"></div>
         <% unless @issue.disabled_core_fields.include?('fixed_version_id') %>
-            <li><p class="label03" >&nbsp;目标版本&nbsp;&nbsp;:&nbsp;</p><span class="pro_info_p" style="width:120px;"><%= (@issue.fixed_version ? link_to_version(@issue.fixed_version, :class => "pro_info_p") : "--") %></span>
+            <li><p class="label03" >&nbsp;<%=l(:milestone)%>&nbsp;&nbsp;:&nbsp;</p><span class="pro_info_p" style="width:120px;"><%= (@issue.fixed_version ? link_to_version(@issue.fixed_version, :class => "pro_info_p") : "--") %></span>
             </li>
         <% end %>
         <div class="cl"></div>
diff --git a/app/views/issues/index.html.erb b/app/views/issues/index.html.erb
index ec5849abd..8552a65b2 100644
--- a/app/views/issues/index.html.erb
+++ b/app/views/issues/index.html.erb
@@ -91,9 +91,9 @@
       <a href="<%= new_project_issue_path(@project)%>" class="sy_btn_green  fl mr10">新 增</a>
       <div class="issues_statistics fl">
         <ul>
-          <li>所有<a href="javascript:void(0);" class="issues_greycirbg_btn "><%= @project.project_score.issue_num %></a></li>
-          <li>开启<a href="javascript:void(0);" class="issues_greycirbg_btn "><%#= @issues_filter_assign_count %><%= @project.issues.where('status_id in (1,2,3,4,6)').visible.all.count  %></a></li>
-          <li>关闭<a href="javascript:void(0);" class="issues_greycirbg_btn "><%#= @issues_filter_author_count %><%= @project.issues.where(:status_id => 5 ).visible.all.count  %></a></li>
+          <li>所有<a  class="issues_greycirbg_btn "><%= @project.project_score.issue_num %></a></li>
+          <li>开启<a  class="issues_greycirbg_btn "><%#= @issues_filter_assign_count %><%= @project.issues.where('status_id in (1,2,3,4,6)').visible.all.count  %></a></li>
+          <li>关闭<a  class="issues_greycirbg_btn "><%#= @issues_filter_author_count %><%= @project.issues.where(:status_id => 5 ).visible.all.count  %></a></li>
         </ul>
       </div><!--issues_statistics end-->
       <a href="<%=project_issues_path(:project_id => @project, :format => 'xls')%>" class="hw_btn_blue  fr" alt="导出EXCEL">导出EXCEL</a>
diff --git a/app/views/users/_project_issue_detail.html.erb b/app/views/users/_project_issue_detail.html.erb
index 321ba663a..81df1500b 100644
--- a/app/views/users/_project_issue_detail.html.erb
+++ b/app/views/users/_project_issue_detail.html.erb
@@ -115,7 +115,7 @@
       <span class="proInfoP" style="width:100px;"><span><%= format_date(activity.due_date)? format_date(activity.due_date) : "--" %></span></span> </li>
     <div class="cl"></div>
     <li>
-      <p class="label03">&nbsp;目标版本&nbsp;&nbsp;:&nbsp;</p>
+      <p class="label03">&nbsp;<%=l(:milestone)%>&nbsp;&nbsp;:&nbsp;</p>
       <span class="proInfoP" style="width:100px;"><%= (activity.fixed_version ? link_to_user_version(activity.fixed_version) : "--") %> </span> </li>
     <div class="cl"></div>
   </ul>
diff --git a/config/locales/projects/zh.yml b/config/locales/projects/zh.yml
index 3d5c26d45..1d44cffba 100644
--- a/config/locales/projects/zh.yml
+++ b/config/locales/projects/zh.yml
@@ -236,6 +236,7 @@ zh:
   # 自定义查询> 过滤器类别 
   field_status: 状态
   field_fixed_version: 目标版本
+  milestone: 里程碑
   field_assigned_to_role: 角色的成员
   field_category: 类别
   field_created_on: 创建于