diff --git a/app/views/pull_requests/_pull_request_changes.html.erb b/app/views/pull_requests/_pull_request_changes.html.erb
index d64a65772..f12783146 100644
--- a/app/views/pull_requests/_pull_request_changes.html.erb
+++ b/app/views/pull_requests/_pull_request_changes.html.erb
@@ -1,14 +1,14 @@
 <% if !@changes.blank? && @type == "3" %>
-  <div class="pullreques_change_box">
-    <div class="pullreques_pull_top clear">
-      <p class="fl c_grey ml15">改动了<span class="fontBlue"> <%= @changes_count %></span> 个文件</p>
+    <div class="pullreques_change_box">
+      <div class="pullreques_pull_top clear">
+        <p class="fl c_grey ml15">改动了<span class="fontBlue"> <%= @changes_count %></span> 个文件</p>
+      </div>
+      <ul class="pullreques_change_list">
+        <% @changes.each do |change| %>
+            <li><span class="fl ml15 mt12 <%= get_type_of_file(change) %>"></span><p class="pullreques_pull_txt ml5 fl"><%= change['new_path'] %></p></li>
+        <% end %>
+      </ul>
     </div>
-    <ul class="pullreques_change_list">
-      <% @changes.each do |change| %>
-          <li><span class="fl ml15 mt12 <%= get_type_of_file(change) %>"></span><p class="pullreques_pull_txt ml5 fl"><%= change['new_path'] %></p></li>
-      <% end %>
-    </ul>
-  </div>
     <% @changes.each do |change| %>
         <div class="showing-changes-row fontGrey2">
           <a class="linkGrey3" id="changed-files">
@@ -16,30 +16,7 @@
           </a>
         </div>
         <div class="autoscroll">
-          <table class="filecontent syntaxhl" style="width:100%;" >
-            <tbody>
-            <% diff = ActiveSupport::JSON.decode(change['diff']).first %>
-            <% diff = OpenStruct.new(diff) %>
-            <% diff_file = Trustie::Gitlab::Diff::File.new(diff) %>
-            <% diff_file.diff_lines.each_with_index do |line, index| %>
-                <% type = line.type %>
-                <% last_line = line.new_pos %>
-                <% line_old = line.old_pos.to_s %>
-                <% if type == 'match' %>
-                    <!--表示没有修改，两个都要显示行号-->
-                    <% output += "|#{line_old.center(4)}|#{last_line.to_s.center(4)}|#{line.text}\n" %>
-                <% else %>
-                    <% old_line = type == 'new' ? ' '*4: line_old %>
-                    <% new_line = type == 'old' ? ' '*4: last_line %>
-                    <% output += "|#{old_line.to_s.center(4)}|#{new_line.to_s.center(4)}|#{line.text}\n" %>
-                <% end %>
-            <% end %>
-            <%# line_num = diff_line_num(change['diff']) %>
-            <%# diff_content = diff_content(change['diff']) %>
-
-            </tbody>
-          </table>
-          <%#= render :partial => 'repositories/change_diff', :locals => {:change => change} %>
+          <%= render :partial => 'repositories/change_diff', :locals => {:change => change} %>
         </div>
     <% end %>
 
diff --git a/app/views/pull_requests/pull_request_changes.js.erb b/app/views/pull_requests/pull_request_changes.js.erb
index 461cd3d06..19d03f06d 100644
--- a/app/views/pull_requests/pull_request_changes.js.erb
+++ b/app/views/pull_requests/pull_request_changes.js.erb
@@ -1 +1,2 @@
+
 $("#merge_record_3").html('<%= escape_javascript( render :partial => "pull_requests/pull_request_changes") %>');
\ No newline at end of file
diff --git a/app/views/repositories/_change_diff.html.erb b/app/views/repositories/_change_diff.html.erb
index d7eef5ce0..95126cd98 100644
--- a/app/views/repositories/_change_diff.html.erb
+++ b/app/views/repositories/_change_diff.html.erb
@@ -1,3 +1,4 @@
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <table class="filecontent syntaxhl">
   <tbody>
   <% diff = ActiveSupport::JSON.decode(change.to_json) %>
@@ -17,7 +18,7 @@
               <a><%= type == "match" ? "..." : last_line.center(4) %></a>
             </td>
             <td class="line_content noteable_line <%= 'c_grey' if type == "match" %>" >
-              <pre style="width:auto;overflow: auto; "><%= line.text.html_safe %></pre>
+              <pre style="width:auto;overflow: auto; "><%= Redmine::CodesetUtil.replace_invalid_utf8(line.text).html_safe %></pre>
             </td>
           </tr>
       <% else %>
@@ -31,7 +32,7 @@
               <a><%= new_line.to_s.center(4) %></a>
             </td>
             <td class="<%= type == 'old' ? 'line_content noteable_line old' : 'line_content new noteable_line' %> " >
-              <pre style="width:auto;overflow: auto; "><%= line.text.html_safe %></pre>
+              <pre style="width:auto;overflow: auto; "><%= Redmine::CodesetUtil.replace_invalid_utf8(line.text).html_safe %></pre>
             </td>
           </tr>
       <% end %>
diff --git a/config/wechat.yml.template b/config/wechat.yml.template
deleted file mode 100644
index 734ed0e51..000000000
--- a/config/wechat.yml.template
+++ /dev/null
@@ -1,41 +0,0 @@
-default: &default
-#  corpid: "corpid"
-#  corpsecret: "corpsecret"
-#  agentid:  1
-
-  #production
-  appid: "wx8e1ab05163a28e37"
-  secret: "beb4d3bc4b32b3557811680835357841"
-
-  token:    "123456"
-  access_token: "1234567"
-  encrypt_mode: false # if true must fill encoding_aes_key
-
-  #production
-  encoding_aes_key:  "QGfP13YP4BbQGkkrlYuxpn4ZIDXpBJww4fxl8CObvNw"
-  jsapi_ticket: "C:/Users/[user_name]/wechat_jsapi_ticket"
-
-  #template
-  binding_succ_notice: "jjpDrgFErnmkrE9tf2M3o0t31ZrJ7mr0YtuE_wyLaMc"
-  journal_notice: "uC1zAw4F2q6HTA3Pcj8VUO6wKKKiYFwnPJB4iXxpdoM"
-  homework_message_notice: "tCf7teCVqc2vl2LZ_hppIdWmpg8yLcrI8XifxYePjps"
-  class_notice: "MQ_mFupbXP-9jWbeHT3C5xqNBvPo8EIlNv4ULakSpJA"
-  create_class_notice: "2GtJJGzzNlNy2i0UrsjEDlvfSVIUXQfSo47stpcQAVw"
-  create_project_notice: "jYu0iimbDpgWYZaTLXioZe2lvqoWTdKnUPyphTJ1mxs"
-  project_review_notice: "kdb-8UlMjTc3z51Qcf8g2vY4i_nE4OGKZAucdQma_2E"
-  join_project_notice: "TtXvy0XMIQyCgpnXHhoB8t-x0QIfy-78gAJXsGf9afg"
-  project_issue_notice: "HP8JejOnkzmvFopTarc0l1Tp4bU9qnxzdH27x3186lI"
-  at_notice: "U3kqzgriCaqkPI9qX0NDQOInJ5hiwHCz6wgTsPysSx4"
-  rebind_notice: "OYsiECfqUlHKlzF_X-pz_xsGh_vAAUunX0jYRdHlyFU"
-
-  auto_openid_url_1: "https://open.weixin.qq.com/connect/oauth2/authorize?appid=wx8e1ab05163a28e37&redirect_uri=https://www.trustie.net/wechat/user_activities"
-  auto_openid_url_2: "&response_type=code&scope=snsapi_base&state="
-  auto_openid_url_3: "&connect_redirect=1#wechat_redirect"
-production:
-  <<: *default
-
-development:
-  <<: *default
-
-test:
-  <<: *default