diff --git a/app/helpers/issues_helper.rb b/app/helpers/issues_helper.rb
index 54cef5c7a..9c4fab9de 100644
--- a/app/helpers/issues_helper.rb
+++ b/app/helpers/issues_helper.rb
@@ -340,9 +340,9 @@ module IssuesHelper
       if detail.property == 'attachment' && !value.blank? && atta = Attachment.find_by_id(detail.prop_key)
         # Link to the attachment if it has not been removed
         if options[:token].nil?
-          value = link_to_attachment(atta, :download => true, :only_path => options[:only_path])
+          value = link_to_attachment(atta, :download => true, :only_path => options[:only_path], :class=> "info_foot_num c_blue")
         else
-          value = link_to_attachment(atta, :download => true, :only_path => options[:only_path], :token => options[:token])
+          value = link_to_attachment(atta, :download => true, :only_path => options[:only_path], :token => options[:token], :class=> "info_foot_num c_blue")
         end
         if options[:only_path] != false && atta.is_text?
           value += link_to(
diff --git a/app/views/issues/_history.html.erb b/app/views/issues/_history.html.erb
index 50ddbceee..b0f1ad38d 100644
--- a/app/views/issues/_history.html.erb
+++ b/app/views/issues/_history.html.erb
@@ -12,8 +12,8 @@
         <p>
         <% if journal.details.any? %>
 			<% details_to_strings(journal.details).each do |string| %>
-                <%= string %>
-		    <% end %> </span>
+                <p><%= string %></p>
+		    <% end %>
         <% end %>
         </p>
       </div>
diff --git a/public/javascripts/project.js b/public/javascripts/project.js
index 3085769ba..b5f769723 100644
--- a/public/javascripts/project.js
+++ b/public/javascripts/project.js
@@ -13,9 +13,10 @@ function regexName(content) {
     }
 }
 
-function submitSerch(content)
-{
-    if(regexName(content)){$("#project_search_form").submit();}
+function submitSerch(content) {
+    if (regexName(content)) {
+        $("#project_search_form").submit();
+    }
 }
 
 
@@ -25,15 +26,13 @@ function submitSerch(content)
 //
 //    })
 //})
-function expand_tools_expand(content)
-{
-    if (content=="invit"){
+function expand_tools_expand(content) {
+    if (content == "invit") {
         $("#expand_tools_expand_invit").toggleClass("currentDd").siblings(".subNav").removeClass("currentDd");
         $("#expand_tools_expand_invit").toggleClass("currentDt").siblings(".subNav").removeClass("currentDt");
         $("#expand_tools_expand_invit").next(".navContent").slideToggle(500).siblings(".navContent").slideUp(500);
     }
-    else
-    {
+    else {
         $("#expand_tools_expand").toggleClass("currentDd").siblings(".subNav").removeClass("currentDd");
         $("#expand_tools_expand").toggleClass("currentDt").siblings(".subNav").removeClass("currentDt");
         $("#expand_tools_expand").next(".navContent").slideToggle(500).siblings(".navContent").slideUp(500);
@@ -43,235 +42,226 @@ function expand_tools_expand(content)
 }
 
 // 描述显示更多信息
-function show_more_msg(){
- $("#course_description").toggleClass("course_description_none");
- var information = $("#expend_more_information");
- var arrow = $("#arrow");
- var val = information.attr("value");
-    if (val=="展开更多信息" )
-    {
+function show_more_msg() {
+    $("#course_description").toggleClass("course_description_none");
+    var information = $("#expend_more_information");
+    var arrow = $("#arrow");
+    var val = information.attr("value");
+    if (val == "展开更多信息") {
         $("#expend_more_information").text("收起描述信息");
-        information.attr("value","收起描述信息");
-        arrow.attr("src","/images/jiantouup.jpg")
+        information.attr("value", "收起描述信息");
+        arrow.attr("src", "/images/jiantouup.jpg")
     }
-    else
-    {
+    else {
         $("#expend_more_information").text("展开更多信息");
-        information.attr("value","展开更多信息");
-        arrow.attr("src","/images/jiantou.jpg")
+        information.attr("value", "展开更多信息");
+        arrow.attr("src", "/images/jiantou.jpg")
     }
 }
 
 ///////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////项目讨论区
-function regexSubject()
-{
+function regexSubject() {
     var content = $.trim($("#message_subject").val());
-    if(content.length ==0)
-    {
+    if (content.length == 0) {
         $("#subject_span").text("主题不能为空");
-        $("#subject_span").css('color','#ff0000');
+        $("#subject_span").css('color', '#ff0000');
         return  false;
     }
-    else
-    {
+    else {
         $("#subject_span").text("填写正确");
-        $("#subject_span").css('color','#008000');
+        $("#subject_span").css('color', '#008000');
         return true;
     }
     return false;
 }
-function regexContent()
-{
+function regexContent() {
     var content = $.trim($("#message_content").val());
-    if(content.length ==0)
-    {
+    if (content.length == 0) {
         $("#message_content_span").text("描述不能为空");
-        $("#message_content_span").css('color','#ff0000');
+        $("#message_content_span").css('color', '#ff0000');
         return  false;
     }
-    else
-    {
+    else {
         $("#message_content_span").text("填写正确");
-        $("#message_content_span").css('color','#008000');
+        $("#message_content_span").css('color', '#008000');
         return true;
     }
     return false;
 }
 
 // 项目编辑和提交
-function submitProjectsBoard()
-{
-    if(regexSubject()&&regexContent()){$("#message-form").submit();}
+function submitProjectsBoard() {
+    if (regexSubject() && regexContent()) {
+        $("#message-form").submit();
+    }
 }
 
 // 提交新闻
-function regexTitle()
-{
+function regexTitle() {
     var name = $("#news_title").val();
-    if(name.length ==0)
-    {
+    if (name.length == 0) {
         $("#title_notice_span").text("标题不能为空");
-        $("#title_notice_span").css('color','#ff0000');
+        $("#title_notice_span").css('color', '#ff0000');
         $("#title_notice_span").focus();
         return false;
     }
-    else if(name.length <= 60)
-    {
+    else if (name.length <= 60) {
         $("#title_notice_span").text("填写正确");
-        $("#title_notice_span").css('color','#008000');
+        $("#title_notice_span").css('color', '#008000');
         return true;
     }
-    else
-    {
+    else {
         $("#title_notice_span").text("标题超过60个字符");
-        $("#title_notice_span").css('color','#ff0000');
+        $("#title_notice_span").css('color', '#ff0000');
         $("#title_notice_span").focus();
         return false;
     }
 }
 
-function regexDescription()
-{
+function regexDescription() {
     var name = $("#news_description").val();
-    if(name.length ==0)
-    {
+    if (name.length == 0) {
         $("#description_notice_span").text("描述不能为空");
-        $("#description_notice_span").css('color','#ff0000');
+        $("#description_notice_span").css('color', '#ff0000');
         $("#description_notice_span").focus();
         return false;
     }
-    else
-    {
+    else {
         $("#description_notice_span").text("填写正确");
-        $("#description_notice_span").css('color','#008000');
+        $("#description_notice_span").css('color', '#008000');
         return true;
     }
 }
 
-function submitNews()
-{
-    if(regexTitle() && regexDescription())
-    {
+function submitNews() {
+    if (regexTitle() && regexDescription()) {
         $("#news-form").submit();
     }
 }
 
-function submitFocus(obj)
-{
+function submitFocus(obj) {
     $(obj).focus();
 }
 
 //当项目描述长度小于112px时，不显示更多按钮
-$(function(){
+$(function () {
 //    alert($("#course_description_content").height());
-    if($("#course_description_content").height()>112)
-    {
+    if ($("#course_description_content").height() > 112) {
         $("#lg-foot").show();
     }
 });
 
 //配置项目信息
-function course_setting(id)
-{
+function course_setting(id) {
     //alert(id);
-    $('#tb_'+id).removeClass().addClass("hwork_hovertab");
-    $('#tbc_0'+id).removeClass().addClass("dis");
-    $('#tb_'+(3-id)).removeClass().addClass("hwork_normaltab");
-    $('#tbc_0'+(3-id)).removeClass().addClass("undis");
+    $('#tb_' + id).removeClass().addClass("hwork_hovertab");
+    $('#tbc_0' + id).removeClass().addClass("dis");
+    $('#tb_' + (3 - id)).removeClass().addClass("hwork_normaltab");
+    $('#tbc_0' + (3 - id)).removeClass().addClass("undis");
 }
 
 //项目类型
-function show_window () {
-    $('#light').css('display','block');
-    $('#fade').css('display','block');
+function show_window() {
+    $('#light').css('display', 'block');
+    $('#fade').css('display', 'block');
 }
 
-function close_window(type){
-    $('#light').css('display','none');
-    $('#fade').css('display','none');
+function close_window(type) {
+    $('#light').css('display', 'none');
+    $('#fade').css('display', 'none');
 
-    $("#" + type).attr("checked","checked");
+    $("#" + type).attr("checked", "checked");
 }
 //弹框l
 
 /////////////////////////////////////////////
 //项目配置
-function project_setting(n)
-{
-    for(var i = 1;i < 9; i++)
-    {
-        if(i == n)
-        {
-            $("#pro_st_tb_"+i).removeClass().addClass("pro_st_hovertab");
-            $("#pro_st_tbc_0"+i).removeClass().addClass("pro_st_dis");
+function project_setting(n) {
+    for (var i = 1; i < 9; i++) {
+        if (i == n) {
+            $("#pro_st_tb_" + i).removeClass().addClass("pro_st_hovertab");
+            $("#pro_st_tbc_0" + i).removeClass().addClass("pro_st_dis");
         }
-        else
-        {
-            $("#pro_st_tb_"+i).removeClass().addClass("pro_st_normaltab");
-            $("#pro_st_tbc_0"+i).removeClass().addClass("pro_st_undis");
+        else {
+            $("#pro_st_tb_" + i).removeClass().addClass("pro_st_normaltab");
+            $("#pro_st_tbc_0" + i).removeClass().addClass("pro_st_undis");
         }
     }
 }
 //配置--成员---申请列表--拒绝
-function refusal_applied_member()
-{
+function refusal_applied_member() {
     $('#new_membership').append("<input name = 'refusal_button' style='display: none;'>");
     $('#new_membership').submit();
 }
 
 //新闻描述显示更多信息
-function news_show_more_des(id)
-{
+function news_show_more_des(id) {
     $('#news_description_' + id).toggleClass("news_description_none");
 }
 
-$(document).ready(function(){
-    $("#issue_project_id").css("width","100%");
-    $("#issue_project_id").css("overflow ","hidden");
+$(document).ready(function () {
+    $("#issue_project_id").css("width", "100%");
+    $("#issue_project_id").css("overflow ", "hidden");
 //      $(".jstEditor").css("margin-left ","80px");
     //issue_project_id
 });
 
 function showAndScrollTo(id, focus) {
-    $('#'+id).show();
+    $('#' + id).show();
     if (focus !== null) {
-        $('#'+focus).focus();
-    }
-    $('html, body').animate({scrollTop: $('#'+id).offset().top}, 400);
-    
-    
-    
-  /*缺陷完成度决定缺陷状态*/  
-function  PrecentChange(obj){
-    var _v=    obj;
-    if(_v==100)
-    {
-        //var select=$("select[id='issue_status_id']");
-        $("select[id='issue_status_id']").find("option[value='3']").attr("selected","selected");
+        $('#' + focus).focus();
     }
-    else if(_v==0)
-    {
-        //alert(1);
-        $("select[id='issue_status_id']").find("option[value='1']").attr("selected","selected");
-    }
-    else if(_v!=100&&_v!=0)
-    {
-        // alert(2);
-        $("select[id='issue_status_id']").find("option[value='2']").attr("selected","selected");
+    $('html, body').animate({scrollTop: $('#' + id).offset().top}, 400);
+
+
+    /*缺陷完成度决定缺陷状态*/
+    function PrecentChange(obj) {
+        var _v = obj;
+        if (_v == 100) {
+            //var select=$("select[id='issue_status_id']");
+            $("select[id='issue_status_id']").find("option[value='3']").attr("selected", "selected");
+        }
+        else if (_v == 0) {
+            //alert(1);
+            $("select[id='issue_status_id']").find("option[value='1']").attr("selected", "selected");
+        }
+        else if (_v != 100 && _v != 0) {
+            // alert(2);
+            $("select[id='issue_status_id']").find("option[value='2']").attr("selected", "selected");
+        }
     }
-}
 
 // Can't use Rails' remote select because we need the form data
 // 根据缺陷状态值改变完成度状态
-function updateIssueFrom(url) {	
-  
-  $.ajax({
-    url: url,
-    type: 'post',
-    data: $('#issue-form').serialize()
-  });
-  
-}
+    function updateIssueFrom(url) {
+
+        $.ajax({
+            url: url,
+            type: 'post',
+            data: $('#issue-form').serialize()
+        });
+
+    }
+
+// firefox pre标签换行
+    $(document).ready(function () {
+        var userAgent = navigator.userAgent.toLowerCase();
+        var browser = {
+            version: (userAgent.match(/.+(?:rv|it|ra|ie)[/: ]([d.]+)/) || [])[1],
+            safari: /webkit/.test(userAgent),
+            opera: /opera/.test(userAgent),
+            msie: /msie/.test(userAgent) && !/opera/.test(userAgent),
+            mozilla: /mozilla/.test(userAgent) && !/(compatible|webkit)/.test(userAgent)
+        };
+        if (browser.mozilla || browser.opera) {
+            $("pre").addClass("break_word_firefox");
+        }
+        else {
+            $("pre").addClass("break_word");
+        }
+
+    });
+
 
 }
\ No newline at end of file
diff --git a/public/stylesheets/pleft.css b/public/stylesheets/pleft.css
index a64d3671f..cc7e18465 100644
--- a/public/stylesheets/pleft.css
+++ b/public/stylesheets/pleft.css
@@ -50,7 +50,7 @@ a:hover.subnav_green{ background:#14ad5a;}
 .project_intro{ width:220px; padding:10px; background:#fff; margin-top:10px; padding-top:5px; color:#6d6d6d; line-height:1.9;}
 .course_description{max-height: 112px;overflow:hidden; word-break: break-all;word-wrap: break-word;}
 .course_description_none{max-height: none;}
-.lg-foot{ border:1px solid #e8eef2; color: #929598; text-align:center; width:220px; height:23px; cursor:pointer;display: none;}
+.lg-foot{ border:1px solid #e8eef2; color: #929598; text-align:center; width:220px; height:23px; cursor:pointer;}
 .lg-foot:hover{ color:#787b7e; border:1px solid #d4d4d4;}
 /****标签(和资源库的tag样式一致)***/
 .project_Label{ width:220px; padding:10px; background:#fff; margin-top:10px;  padding-top:5px; margin-bottom:10px;}
diff --git a/public/stylesheets/project.css b/public/stylesheets/project.css
index c6b58b8f3..556623e55 100644
--- a/public/stylesheets/project.css
+++ b/public/stylesheets/project.css
@@ -501,3 +501,7 @@ a.atom { background: url(../images/feed.png) no-repeat 1px 50%; padding: 2px 0px
 p.other-formats { text-align: right; font-size:0.9em; color: #666; }
 .other-formats span + span:before { content: "| "; }
 
+
+/*pre标签换行*/
+.break_word{word-break: break-all;word-wrap: break-word;}
+.break_word_firefox{white-space: pre-wrap;word-break: break-all;}