diff --git a/cps/db.py b/cps/db.py
index f6ee790e..f25848c7 100755
--- a/cps/db.py
+++ b/cps/db.py
@@ -56,6 +56,10 @@ books_languages_link = Table('books_languages_link', Base.metadata,
     Column('lang_code', Integer, ForeignKey('languages.id'), primary_key=True)
     )
 
+books_publishers_link = Table('books_publishers_link', Base.metadata,
+    Column('book', Integer, ForeignKey('books.id'), primary_key=True),
+    Column('publisher', Integer, ForeignKey('publishers.id'), primary_key=True)
+    )
 
 class Identifiers(Base):
     __tablename__ = 'identifiers'
@@ -182,6 +186,21 @@ class Languages(Base):
     def __repr__(self):
         return u"<Languages('{0}')>".format(self.lang_code)
 
+class Publishers(Base):
+    __tablename__ = 'publishers'
+
+    id = Column(Integer, primary_key=True)
+    name = Column(String)
+    sort = Column(String)
+
+    def __init__(self, name,sort):
+        self.name = name
+        self.sort = sort
+
+    def __repr__(self):
+        return u"<Publishers('{0},{1}')>".format(self.name, self.sort)
+
+
 
 class Data(Base):
     __tablename__ = 'data'
@@ -224,6 +243,7 @@ class Books(Base):
     series = relationship('Series', secondary=books_series_link, backref='books')
     ratings = relationship('Ratings', secondary=books_ratings_link, backref='books')
     languages = relationship('Languages', secondary=books_languages_link, backref='books')
+    publishers = relationship('Publishers', secondary=books_publishers_link, backref='books')
     identifiers = relationship('Identifiers', backref='books')
 
     def __init__(self, title, sort, author_sort, timestamp, pubdate, series_index, last_modified, path, has_cover,
@@ -274,7 +294,7 @@ def setup_db():
         return False
 
     dbpath = os.path.join(config.config_calibre_dir, "metadata.db")
-    engine = create_engine('sqlite:///{0}'.format(dbpath.encode('utf-8')), echo=False)
+    engine = create_engine('sqlite:///{0}'.format(dbpath.encode('utf-8')), echo=False, isolation_level="SERIALIZABLE")
     try:
         conn = engine.connect()
 
diff --git a/cps/epub.py b/cps/epub.py
index e6945d75..f9d46362 100644
--- a/cps/epub.py
+++ b/cps/epub.py
@@ -7,13 +7,14 @@ import os
 import uploader
 
 
-def extractCover(zip, coverFile, tmp_file_name):
+def extractCover(zip, coverFile, coverpath, tmp_file_name):
     if coverFile is None:
         return None
     else:
-        cf = zip.read("OPS/" + coverFile)
+        zipCoverPath = os.path.join(coverpath , coverFile).replace('\\','/')
+        cf = zip.read(zipCoverPath)
         prefix = os.path.splitext(tmp_file_name)[0]
-        tmp_cover_name = prefix + "." + coverFile
+        tmp_cover_name = prefix + '.' + os.path.basename(zipCoverPath)
         image = open(tmp_cover_name, 'wb')
         image.write(cf)
         image.close()
@@ -32,10 +33,11 @@ def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
     txt = zip.read('META-INF/container.xml')
     tree = etree.fromstring(txt)
     cfname = tree.xpath('n:rootfiles/n:rootfile/@full-path', namespaces=ns)[0]
-
     cf = zip.read(cfname)
     tree = etree.fromstring(cf)
 
+    coverpath=os.path.dirname(cfname)
+
     p = tree.xpath('/pkg:package/pkg:metadata', namespaces=ns)[0]
 
     epub_metadata = {}
@@ -46,11 +48,16 @@ def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
         else:
             epub_metadata[s] = "Unknown"
 
-    coversection = tree.xpath("/pkg:package/pkg:manifest/pkg:item[@id='cover']/@href", namespaces=ns)
+    coversection = tree.xpath("/pkg:package/pkg:manifest/pkg:item[@id='cover-image']/@href", namespaces=ns)
     if len(coversection) > 0:
-        coverfile = extractCover(zip, coversection[0], tmp_file_path)
+        coverfile = extractCover(zip, coversection[0], coverpath, tmp_file_path)
     else:
-        coverfile = None
+        coversection = tree.xpath("/pkg:package/pkg:manifest/pkg:item[@id='cover']/@href", namespaces=ns)
+        if len(coversection) > 0:
+            coverfile = extractCover(zip, coversection[0], coverpath, tmp_file_path)
+        else:
+            coverfile = None
+
     if epub_metadata['title'] is None:
         title = original_file_name
     else:
diff --git a/cps/helper.py b/cps/helper.py
index 5e9c9210..54fa1946 100755
--- a/cps/helper.py
+++ b/cps/helper.py
@@ -19,6 +19,8 @@ from email.MIMEBase import MIMEBase
 from email.MIMEMultipart import MIMEMultipart
 from email.MIMEText import MIMEText
 from email.generator import Generator
+from email.utils import formatdate
+from email.utils import make_msgid
 from flask_babel import gettext as _
 import subprocess
 import threading
@@ -165,6 +167,8 @@ def send_mail(book_id, kindle_mail, calibrepath):
     # create MIME message
     msg = MIMEMultipart()
     msg['Subject'] = _(u'Send to Kindle')
+    msg['Message-Id'] = make_msgid('calibre-web')
+    msg['Date'] = formatdate(localtime=True)
     text = _(u'This email has been sent via calibre web.')
     msg.attach(MIMEText(text.encode('UTF-8'), 'plain', 'UTF-8'))
 
diff --git a/cps/static/js/main.js b/cps/static/js/main.js
index 74e1a1d8..8b0b099f 100644
--- a/cps/static/js/main.js
+++ b/cps/static/js/main.js
@@ -36,7 +36,7 @@ $(function() {
             success: function(data) {
                 $('#spinner').show();
                 displaytext=data.text;
-                window.setTimeout(restartTimer, 3000);}
+                setTimeout(restartTimer, 3000);}
         });
     });
     $("#shutdown").click(function() {
@@ -50,7 +50,7 @@ $(function() {
     });
     $("#check_for_update").click(function() {
         var button_text = $("#check_for_update").html();
-        $("#check_for_update").html('Checking...');
+        $("#check_for_update").html('...');
         $.ajax({
             dataType: 'json',
             url: window.location.pathname+"/../../get_update_status",
@@ -110,7 +110,8 @@ function updateTimer() {
         $('#UpdateprogressDialog #updateFinished').removeClass('hidden');
         $("#check_for_update").removeClass('hidden');
         $("#perform_update").addClass('hidden');
-        }
+        },
+    timeout:2000
     });
 }
 
diff --git a/cps/templates/detail.html b/cps/templates/detail.html
index 8775f079..9639e954 100644
--- a/cps/templates/detail.html
+++ b/cps/templates/detail.html
@@ -50,6 +50,7 @@
 
       {% if entry.identifiers|length > 0 %}
       <div class="identifiers">
+        <p>
         <span class="glyphicon glyphicon-link"></span>
         {% for identifier in entry.identifiers %}
           <a href="{{identifier}}" target="_blank" class="btn btn-xs btn-success" role="button">{{identifier.formatType()}}</a>
@@ -66,10 +67,16 @@
         {% for tag in entry.tags %}
           <a href="{{ url_for('category', id=tag.id) }}" class="btn btn-xs btn-info" role="button">{{tag.name}}</a>
         {%endfor%}
-
       </div>
       </p>
       {% endif %}
+      {% if entry.publishers|length > 0 %}
+      <div class="publishers">
+      <p>
+          <span>{{_('Publisher')}}:{% for publisher in entry.publishers %} {{publisher.name}}{% if not loop.last %},{% endif %}{% endfor %}</span>
+      </p>
+      </div>
+      {% endif %}
       {% if entry.pubdate[:10] != '0101-01-01' %}
         <p>{{_('Publishing date')}}: {{entry.pubdate|formatdate}} </p>
       {% endif %}
@@ -125,10 +132,10 @@
             </div>
           {% endif %}
 
-          {% if g.user.is_authenticated %}
-            {% if g.user.kindle_mail %}
+            {% if g.user.kindle_mail and g.user.is_authenticated %}
             <a href="{{url_for('send_to_kindle', book_id=entry.id)}}" id="sendbtn" class="btn btn-primary" role="button"><span class="glyphicon glyphicon-send"></span> {{_('Send to Kindle')}}</a>
             {% endif %}
+          {% if (g.user.role_download() and g.user.is_anonymous()) or g.user.is_authenticated %}
               <div class="btn-group" role="group">
                 <button id="btnGroupDrop2" type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                   <span class="glyphicon glyphicon-eye-open"></span> {{_('Read in browser')}}
diff --git a/cps/templates/languages.html b/cps/templates/languages.html
index ce1ba359..eba7af04 100644
--- a/cps/templates/languages.html
+++ b/cps/templates/languages.html
@@ -2,11 +2,17 @@
 {% block body %}
   <h1>{{title}}</h1>
   <div class="container">
+       <div class="col-sm-6">
   {% for lang in languages %}
+      {% if loop.index0 == (loop.length/2)|int and loop.length > 20 %}
+       </div>
+       <div class="col-sm-6">
+    {% endif %}
     <div class="row">
         <div class="col-xs-1" align="left"><span class="badge">{{lang_counter[loop.index0].bookcount}}</span></div>
         <div class="col-xs-6"><a id="list_{{loop.index0}}" href="{{url_for('language', name=lang.lang_code)}}">{{lang.name}}</a></div>
     </div>
   {% endfor %}
-</div>
+  </div>
+  </div>
 {% endblock %}
diff --git a/cps/templates/list.html b/cps/templates/list.html
index d424d495..0a63b139 100644
--- a/cps/templates/list.html
+++ b/cps/templates/list.html
@@ -2,11 +2,17 @@
 {% block body %}
 <h1>{{title}}</h1>
   <div class="container">
+    <div class="col-sm-6">
     {% for entry in entries %}
+      {% if loop.index0 == (loop.length/2)|int and loop.length > 20 %}
+        </div>
+        <div class="col-sm-6">
+      {% endif %}
       <div class="row">
         <div class="col-xs-1" align="left"><span class="badge">{{entry.count}}</span></div>
         <div class="col-xs-6"><a id="list_{{loop.index0}}" href="{{url_for(folder, id=entry[0].id )}}">{{entry[0].name}}</a></div>
       </div>
     {% endfor %}
   </div>
+  </div>
 {% endblock %}
diff --git a/cps/templates/search_form.html b/cps/templates/search_form.html
index 2e9f4d3d..e61195ec 100644
--- a/cps/templates/search_form.html
+++ b/cps/templates/search_form.html
@@ -10,63 +10,67 @@
       <label for="bookAuthor">{{_('Author')}}</label>
       <input type="text" class="form-control typeahead" name="author_name" id="bookAuthor" value="" autocomplete="off">
     </div>
-    <label for="Tags">{{_('Tags')}}</label>
     <div class="form-group">
+      <label for="Publisher">{{_('Publisher')}}</label>
+      <input type="text" class="form-control" name="publisher" id="publisher" value="">
+    </div>
+    <label for="include_tag">{{_('Tags')}}</label>
+    <div class="form-group" id="test">
       <div class="btn-toolbar btn-toolbar-lg" data-toggle="buttons">
         {% for tag in tags %}
           <label id="tag_{{tag.id}}" class="btn btn-primary tags_click">
-            <input type="checkbox" autocomplete="off" name="include_tag" value="{{tag.id}}">{{tag.name}}</input>
+            <input type="checkbox" autocomplete="off" name="include_tag" id="include_tag" value="{{tag.id}}">{{tag.name}}</input>
           </label>
         {% endfor %}
       </div>
     </div>
-    <label for="Tags">{{_('Exclude Tags')}}</label>
+    <label for="exclude_tag">{{_('Exclude Tags')}}</label>
     <div class="form-group">
       <div class="btn-toolbar btn-toolbar-lg" data-toggle="buttons">
         {% for tag in tags %}
           <label id="tag_{{tag.id}}" class="btn btn-danger tags_click">
-            <input type="checkbox" autocomplete="off" name="exclude_tag" value="{{tag.id}}">{{tag.name}}</input>
+            <input type="checkbox" autocomplete="off" name="exclude_tag" id="exclude_tag" value="{{tag.id}}">{{tag.name}}</input>
           </label>
         {% endfor %}
       </div>
     </div>
-    <label for="Series">{{_('Series')}}</label>
+    <label for="include_serie">{{_('Series')}}</label>
     <div class="form-group">
       <div class="btn-toolbar btn-toolbar-lg" data-toggle="buttons">
         {% for serie in series %}
           <label id="serie_{{serie.id}}" class="btn btn-primary serie_click">
-            <input type="checkbox" autocomplete="off" name="include_serie" value="{{serie.id}}">{{serie.name}}</input>
+            <input type="checkbox" autocomplete="off" name="include_serie" id="include_serie" value="{{serie.id}}">{{serie.name}}</input>
           </label>
         {% endfor %}
       </div>
     </div>
-    <label for="Series">{{_('Exclude Series')}}</label>
+    <label for="exclude_serie">{{_('Exclude Series')}}</label>
     <div class="form-group">
       <div class="btn-toolbar btn-toolbar-lg" data-toggle="buttons">
         {% for serie in series %}
           <label id="serie_{{serie.id}}" class="btn btn-danger serie_click">
-            <input type="checkbox" autocomplete="off" name="exclude_serie" value="{{serie.id}}">{{serie.name}}</input>
+            <input type="checkbox" autocomplete="off" name="exclude_serie" id="exclude_serie" value="{{serie.id}}">{{serie.name}}</input>
           </label>
         {% endfor %}
       </div>
     </div>
    {% if languages %}
-      <label for="Languages">{{_('Languages')}}</label>
+      <label for="include_language">{{_('Languages')}}</label>
       <div class="form-group">
         <div class="btn-toolbar btn-toolbar-lg" data-toggle="buttons">
           {% for language in languages %}
             <label id="language_{{language.id}}" class="btn btn-primary serie_click">
-              <input type="checkbox" autocomplete="off" name="include_language" value="{{language.id}}">{{language.name}}</input>
+              <input type="checkbox" autocomplete="off" name="include_language" id="include_language" value="{{language.id}}">{{language.name}}</input>
             </label>
           {% endfor %}
         </div>
       </div>
-      <label for="Languages">{{_('Exclude Languages')}}</label>
+      <label for="exclude_language">{{_('Exclude Languages')}}</label>
       <div class="form-group">
         <div class="btn-toolbar btn-toolbar-lg" data-toggle="buttons">
           {% for language in languages %}
             <label id="language_{{language.id}}" class="btn btn-danger language_click">
-              <input type="checkbox" autocomplete="off" name="exclude_language" value="{{language.id}}">{{language.name}}</input>
+              <input type="checkbox" autocomplete="off" name="exclude_language" id="exclude_language" value="{{language.id}}">{{language.name}}</input>
             </label>
           {% endfor %}
         </div>
diff --git a/cps/templates/stats.html b/cps/templates/stats.html
index 22826003..4b08afda 100644
--- a/cps/templates/stats.html
+++ b/cps/templates/stats.html
@@ -1,7 +1,27 @@
 {% extends "layout.html" %}
 {% block body %}
+  <h3>{{_('Calibre library statistics')}}</h3>
+<table id="stats" class="table">
+  <tbody>
+    <tr>
+      <th>{{bookcounter}}</th>
+      <td>{{_('Books in this Library')}}</td>
+    </tr>
+    <tr>
+      <th>{{authorcounter}}</th>
+      <td>{{_('Authors in this Library')}}</td>
+    </tr>
+    <tr>
+      <th>{{categorycounter}}</th>
+      <td>{{_('Categories in this Library')}}</td>
+    </tr>
+    <tr>
+      <th>{{seriecounter}}</th>
+      <td>{{_('Series in this Library')}}</td>
+    </tr>
+  </tbody>
+</table>
   <h3>{{_('Linked libraries')}}</h3>
-
 <table id="libs" class="table">
   <thead>
     <tr>
@@ -24,30 +44,51 @@
     </tr>
     <tr>
       <th>PyPDF2</th>
-      <td>{{versions['PyPdfVersion']}}</td>
+      <td>v{{versions['PyPdfVersion']}}</td>
     </tr>
-  </tbody>
-</table>
-
-  <h3>{{_('Calibre library statistics')}}</h3>
-<table id="stats" class="table">
-  <tbody>
     <tr>
-      <th>{{bookcounter}}</th>
-      <td>{{_('Books in this Library')}}</td>
+      <th>Babel</th>
+      <td>v{{versions['babel']}}</td>
     </tr>
     <tr>
-      <th>{{authorcounter}}</th>
-      <td>{{_('Authors in this Library')}}</td>
+      <th>SqlAlchemy</th>
+      <td>v{{versions['sqlalchemy']}}</td>
     </tr>
     <tr>
-      <th>{{categorycounter}}</th>
-      <td>{{_('Categories in this Library')}}</td>
+      <th>Flask</th>
+      <td>v{{versions['flask']}}</td>
     </tr>
     <tr>
-      <th>{{seriecounter}}</th>
-      <td>{{_('Series in this Library')}}</td>
+      <th>Flask Login</th>
+      <td>v{{versions['flasklogin']}}</td>
+    </tr>
+    <tr>
+      <th>Flask Principal</th>
+      <td>v{{versions['flask_principal']}}</td>
+    </tr>
+    <tr>
+      <th>Tornado web server</th>
+      <td>v{{versions['tornado']}}</td>
+    </tr>
+    <tr>
+      <th>ISO639 Languages</th>
+      <td>v{{versions['iso639']}}</td>
+    </tr>
+    <tr>
+      <th>Requests</th>
+      <td>v{{versions['requests']}}</td>
+    </tr>
+    <tr>
+      <th>SQlite</th>
+      <td>v{{versions['sqlite']}}</td>
+    </tr>
+    <tr>
+      <th>Pysqlite</th>
+      <td>v{{versions['pysqlite']}}</td>
     </tr>
   </tbody>
 </table>
+
 {% endblock %}
+
+
diff --git a/cps/templates/user_edit.html b/cps/templates/user_edit.html
index b9cff3eb..2d4354ec 100644
--- a/cps/templates/user_edit.html
+++ b/cps/templates/user_edit.html
@@ -40,6 +40,8 @@
             {% endfor %}
         </select>
     </div>
+      <div class="col-sm-6">
+
     <div class="form-group">
         <input type="checkbox" name="show_random" id="show_random" {% if content.show_random_books() %}checked{% endif %}>
         <label for="show_random">{{_('Show random books')}}</label>
@@ -72,7 +74,8 @@
         <input type="checkbox" name="show_detail_random" id="show_detail_random" {% if content.show_detail_random() %}checked{% endif %}>
         <label for="show_detail_random">{{_('Show random books in detail view')}}</label>
     </div>
-
+</div>
+      <div class="col-sm-6">
     {% if g.user and g.user.role_admin() and not profile %}
     {% if not content.role_anonymous() %}
     <div class="form-group">
@@ -106,13 +109,17 @@
         </label>
       </div>
     {% endif %}
+    </div>
+      <div class="col-sm-12">
     <button type="submit" id="submit" class="btn btn-default">{{_('Submit')}}</button>
     {% if not profile %}
       <a href="{{ url_for('admin') }}" id="back" class="btn btn-default">{{_('Back')}}</a>
+    </div>
     {% endif %}
   </form>
 
   {% if downloads %}
+    <div class="col-sm-12">
     <h2>{{_('Recent Downloads')}}</h2>
     {% for entry in downloads %}
       <div class="col-sm-2">
@@ -121,6 +128,7 @@
         </a>
       </div>
     {% endfor %}
+    </div>
   {% endif %}
 </div>
 {% endblock %}
diff --git a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo
index d3a83c0d..5cb1b1c9 100644
Binary files a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo and b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po
index 5356f3b2..c68904f6 100644
--- a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po
+++ b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po
@@ -61,31 +61,31 @@ msgstr "游客"
 
 #: cps/web.py:734
 msgid "Requesting update package"
-msgstr ""
+msgstr "正在请求更新包"
 
 #: cps/web.py:735
 msgid "Downloading update package"
-msgstr ""
+msgstr "正在下载更新包"
 
 #: cps/web.py:736
 msgid "Unzipping update package"
-msgstr ""
+msgstr "正在解压更新包"
 
 #: cps/web.py:737
 msgid "Files are replaced"
-msgstr ""
+msgstr "文件已替换"
 
 #: cps/web.py:738
 msgid "Database connections are closed"
-msgstr ""
+msgstr "数据库连接已关闭"
 
 #: cps/web.py:739
 msgid "Server is stopped"
-msgstr ""
+msgstr "服务器已停止"
 
 #: cps/web.py:740
 msgid "Update finished, please press okay and reload page"
-msgstr ""
+msgstr "更新完成，请按确定并刷新页面"
 
 #: cps/web.py:810
 msgid "Latest Books"
@@ -97,7 +97,7 @@ msgstr "热门书籍(最多下载)"
 
 #: cps/web.py:845
 msgid "Best rated books"
-msgstr ""
+msgstr "最高评分书籍"
 
 #: cps/templates/index.xml:36 cps/web.py:854
 msgid "Random Books"
@@ -108,9 +108,9 @@ msgid "Author list"
 msgstr "作者列表"
 
 #: cps/web.py:878
-#, python-format
+#, python-forma
 msgid "Author: %(name)s"
-msgstr ""
+msgstr "作者： %(name)s"
 
 #: cps/web.py:880 cps/web.py:908 cps/web.py:1007 cps/web.py:1235
 #: cps/web.py:2115
@@ -150,7 +150,7 @@ msgstr "统计"
 
 #: cps/web.py:1061
 msgid "Server restarted, please reload page"
-msgstr ""
+msgstr "服务器已重启，请刷新页面"
 
 #: cps/web.py:1063
 msgid "Performing shutdown of server, please close window"
@@ -158,7 +158,7 @@ msgstr "正在关闭服务器，请关闭窗口"
 
 #: cps/web.py:1073
 msgid "Update done"
-msgstr ""
+msgstr "更新完成"
 
 #: cps/web.py:1147 cps/web.py:1160
 msgid "search"
@@ -475,11 +475,11 @@ msgstr "管理"
 
 #: cps/templates/admin.html:80
 msgid "Current commit timestamp"
-msgstr ""
+msgstr "当前提交时间戳"
 
 #: cps/templates/admin.html:81
 msgid "Newest commit timestamp"
-msgstr ""
+msgstr "最新提交时间戳"
 
 #: cps/templates/admin.html:83
 msgid "Restart Calibre-web"
@@ -491,11 +491,11 @@ msgstr "停止 Calibre-web"
 
 #: cps/templates/admin.html:85
 msgid "Check for update"
-msgstr ""
+msgstr "检查更新"
 
 #: cps/templates/admin.html:86
 msgid "Perform Update"
-msgstr ""
+msgstr "执行更新"
 
 #: cps/templates/admin.html:96
 msgid "Do you really want to restart Calibre-web?"
@@ -519,7 +519,7 @@ msgstr "您确定要关闭 Calibre-web 吗？"
 
 #: cps/templates/admin.html:127
 msgid "Updating, please do not reload page"
-msgstr ""
+msgstr "正在更新，请不要刷新页面"
 
 #: cps/templates/book_edit.html:16 cps/templates/search_form.html:6
 msgid "Book Title"
@@ -610,7 +610,7 @@ msgstr "启用注册"
 
 #: cps/templates/config_edit.html:52
 msgid "Default Settings for new users"
-msgstr ""
+msgstr "新用户默认设置"
 
 #: cps/templates/config_edit.html:55 cps/templates/user_edit.html:80
 msgid "Admin user"
@@ -651,7 +651,7 @@ msgstr "语言"
 
 #: cps/templates/detail.html:74
 msgid "Publishing date"
-msgstr ""
+msgstr "出版日期"
 
 #: cps/templates/detail.html:106
 msgid "Description:"
@@ -723,11 +723,11 @@ msgstr "热门书籍"
 
 #: cps/templates/index.xml:19
 msgid "Popular publications from this catalog based on Downloads."
-msgstr ""
+msgstr "基于下载数的热门书籍"
 
 #: cps/templates/index.xml:22 cps/templates/layout.html:129
 msgid "Best rated Books"
-msgstr ""
+msgstr "最高评分书籍"
 
 #: cps/templates/index.xml:26
 msgid "Popular publications from this catalog based on Rating."
@@ -933,11 +933,11 @@ msgstr "个作者在此书库"
 
 #: cps/templates/stats.html:45
 msgid "Categories in this Library"
-msgstr ""
+msgstr "个分类在此书库"
 
 #: cps/templates/stats.html:49
 msgid "Series in this Library"
-msgstr ""
+msgstr "个丛书在此书库"
 
 #: cps/templates/user_edit.html:23
 msgid "Kindle E-Mail"
@@ -961,7 +961,7 @@ msgstr "显示热门书籍"
 
 #: cps/templates/user_edit.html:53
 msgid "Show best rated books"
-msgstr ""
+msgstr "显示最高评分书籍"
 
 #: cps/templates/user_edit.html:57
 msgid "Show language selection"
diff --git a/cps/ub.py b/cps/ub.py
index f5207f06..653454ce 100644
--- a/cps/ub.py
+++ b/cps/ub.py
@@ -7,7 +7,6 @@ from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import *
 from flask_login import AnonymousUserMixin
 import os
-import traceback
 import logging
 from werkzeug.security import generate_password_hash
 from flask_babel import gettext as _
diff --git a/cps/web.py b/cps/web.py
index bfe42444..1777a77f 100755
--- a/cps/web.py
+++ b/cps/web.py
@@ -4,8 +4,9 @@ import mimetypes
 import logging
 from logging.handlers import RotatingFileHandler
 import textwrap
-from flask import Flask, render_template, session, request, Response, redirect, url_for, send_from_directory, \
+from flask import Flask, render_template, request, Response, redirect, url_for, send_from_directory, \
     make_response, g, flash, abort
+from flask import __version__ as flaskVersion
 import ub
 from ub import config
 import helper
@@ -14,9 +15,12 @@ import errno
 from sqlalchemy.sql.expression import func
 from sqlalchemy.sql.expression import false
 from sqlalchemy.exc import IntegrityError
+from sqlalchemy import __version__ as sqlalchemyVersion
 from math import ceil
 from flask_login import LoginManager, login_user, logout_user, login_required, current_user
+from flask_login import __version__ as flask_loginVersion
 from flask_principal import Principal, Identity, AnonymousIdentity, identity_changed
+from flask_login import __version__ as flask_principalVersion
 from flask_babel import Babel
 from flask_babel import gettext as _
 import requests
@@ -24,6 +28,7 @@ import zipfile
 from werkzeug.security import generate_password_hash, check_password_hash
 from babel import Locale as LC
 from babel import negotiate_locale
+from babel import __version__ as babelVersion
 from babel.dates import format_date
 from functools import wraps
 import base64
@@ -32,16 +37,16 @@ import json
 import urllib
 import datetime
 from iso639 import languages as isoLanguages
+from iso639 import __version__ as iso639Version
 from uuid import uuid4
 import os.path
 import sys
 import subprocess
 import re
 import db
-import thread
 from shutil import move, copyfile
 from tornado.ioloop import IOLoop
-
+from tornado import version as tornadoVersion
 
 try:
     from wand.image import Image
@@ -51,6 +56,7 @@ except ImportError, e:
     use_generic_pdf_cover = True
 from cgi import escape
 
+ALLOWED_EXTENSIONS = set(['txt', 'pdf', 'epub', 'mobi', 'azw', 'azw3', 'cbr', 'cbz', 'cbt', 'djvu', 'prc', 'doc', 'docx', 'fb2'])
 
 # Proxy Helper class
 class ReverseProxied(object):
@@ -473,8 +479,10 @@ def feed_search(term):
         filter = True
     if term:
         entries = db.session.query(db.Books).filter(db.or_(db.Books.tags.any(db.Tags.name.like("%" + term + "%")),
-                                                           db.Books.authors.any(db.Authors.name.like("%" + term + "%")),
-                                                           db.Books.title.like("%" + term + "%"))).filter(filter).all()
+                                                    db.Books.series.any(db.Series.name.like("%" + term + "%")),
+                                                    db.Books.authors.any(db.Authors.name.like("%" + term + "%")),
+                                                    db.Books.publishers.any(db.Publishers.name.like("%" + term + "%")),
+                                                    db.Books.title.like("%" + term + "%"))).filter(filter).all()
         entriescount = len(entries) if len(entries) > 0 else 1
         pagination = Pagination(1, entriescount, entriescount)
         xml = render_title_template('feed.xml', searchterm=term, entries=entries, pagination=pagination)
@@ -1039,6 +1047,17 @@ def stats():
             if re.search('Amazon kindlegen\(', lines):
                 versions['KindlegenVersion'] = lines
     versions['PythonVersion'] = sys.version
+    versions['babel'] = babelVersion
+    versions['sqlalchemy'] = sqlalchemyVersion
+    versions['flask'] = flaskVersion
+    versions['flasklogin'] = flask_loginVersion
+    versions['flask_principal'] = flask_principalVersion
+    versions['tornado'] = tornadoVersion
+    versions['iso639'] = iso639Version
+    versions['requests'] = requests.__version__
+    versions['pysqlite'] = db.engine.dialect.dbapi.version
+    versions['sqlite'] = db.engine.dialect.dbapi.sqlite_version
+
     return render_title_template('stats.html', bookcounter=counter, authorcounter=authors, versions=versions,
                                  categorycounter=categorys, seriecounter=series, title=_(u"Statistics"))
 
@@ -1087,9 +1106,10 @@ def search():
         else:
             filter = True
         entries = db.session.query(db.Books).filter(db.or_(db.Books.tags.any(db.Tags.name.like("%" + term + "%")),
-                                                           db.Books.series.any(db.Series.name.like("%" + term + "%")),
-                                                           db.Books.authors.any(db.Authors.name.like("%" + term + "%")),
-                                                           db.Books.title.like("%" + term + "%"))).filter(filter).all()
+                                                    db.Books.series.any(db.Series.name.like("%" + term + "%")),
+                                                    db.Books.authors.any(db.Authors.name.like("%" + term + "%")),
+                                                    db.Books.publishers.any(db.Publishers.name.like("%" + term + "%")),
+                                                    db.Books.title.like("%" + term + "%"))).filter(filter).all()
         return render_title_template('search.html', searchterm=term, entries=entries)
     else:
         return render_title_template('search.html', searchterm="")
@@ -1109,12 +1129,14 @@ def advanced_search():
 
         author_name = request.args.get("author_name")
         book_title = request.args.get("book_title")
+        publisher = request.args.get("publisher")
         if author_name: author_name = author_name.strip()
         if book_title: book_title = book_title.strip()
+        if publisher: publisher = publisher.strip()
         if include_tag_inputs or exclude_tag_inputs or include_series_inputs or exclude_series_inputs or \
-                include_languages_inputs or exclude_languages_inputs or author_name or book_title:
+                include_languages_inputs or exclude_languages_inputs or author_name or book_title or publisher:
             searchterm = []
-            searchterm.extend((author_name, book_title))
+            searchterm.extend((author_name, book_title, publisher))
             tag_names = db.session.query(db.Tags).filter(db.Tags.id.in_(include_tag_inputs)).all()
             searchterm.extend(tag.name for tag in tag_names)
             # searchterm = " + ".join(filter(None, searchterm))
@@ -1130,7 +1152,8 @@ def advanced_search():
             searchterm.extend(language.name for language in language_names)
             searchterm = " + ".join(filter(None, searchterm))
             q = q.filter(db.Books.authors.any(db.Authors.name.like("%" + author_name + "%")),
-                         db.Books.title.like("%" + book_title + "%"))
+                         db.Books.title.like("%" + book_title + "%"),
+                         db.Books.publishers.any(db.Publishers.name.like("%" + publisher + "%")))
             for tag in include_tag_inputs:
                 q = q.filter(db.Books.tags.any(db.Tags.id == tag))
             for tag in exclude_tag_inputs:
@@ -1180,7 +1203,7 @@ def feed_get_cover(book_id):
 
 
 @app.route("/read/<int:book_id>/<format>")
-@login_required
+@login_required_if_no_ano
 def read_book(book_id, format):
     book = db.session.query(db.Books).filter(db.Books.id == book_id).first()
     if book:
@@ -1789,6 +1812,8 @@ def edit_mailsettings():
                       category="success")
             else:
                 flash(_(u"There was an error sending the Test E-Mail: %(res)s", res=result), category="error")
+        else:
+            flash(_(u"E-Mail settings updated"), category="success")
     return render_title_template("email_edit.html", content=content, title=_(u"Edit mail settings"))
 
 
@@ -2130,6 +2155,18 @@ def upload():
     db.session.connection().connection.connection.create_function('uuid4', 0, lambda: str(uuid4()))
     if request.method == 'POST' and 'btn-upload' in request.files:
         file = request.files['btn-upload']
+        if '.' in file.filename:
+            file_ext = file.filename.rsplit('.', 1)[-1].lower()
+            if file_ext not in ALLOWED_EXTENSIONS:
+                flash(
+                    _('File extension "%s" is not allowed to be uploaded to this server' % 
+                    file_ext),
+                    category="error"
+                )
+                return redirect(url_for('index'))
+        else:
+            flash(_('File to be uploaded must have an extension'), category="error")
+            return redirect(url_for('index'))
         meta = uploader.upload(file)
 
         title = meta.title