diff --git a/base.php b/base.php
index 8e88f95..a78c5e9 100644
--- a/base.php
+++ b/base.php
@@ -724,4 +724,4 @@ abstract class Base
     }
 
 }
-?>
\ No newline at end of file
+?>
diff --git a/index.php b/index.php
index b42b07e..3913027 100644
--- a/index.php
+++ b/index.php
@@ -24,7 +24,7 @@
     $withToolbar = false;
     if (!isset($_COOKIE['toolbar'])) $withToolbar = true;
     
-    header ("Content-Type:application/xhtml+xml");
+    header ("Content-Type:application/xhtml+xml;charset=utf-8");
     $page = getURLParam ("page", Base::PAGE_INDEX);
     $query = getURLParam ("query");
     $qid = getURLParam ("id");
diff --git a/lang/Localization_zh.json b/lang/Localization_zh.json
new file mode 100644
index 0000000..b0ad7aa
--- /dev/null
+++ b/lang/Localization_zh.json
@@ -0,0 +1,137 @@
+{
+"boolean.no":"否",
+"boolean.yes":"是",
+"splitByLetter.letter":"{0} 以 {1} 开头",
+"home.title":"目录",
+"link.fullentry":"全部条目",
+"title.nextpage":"下一页 ({0} of {1})",
+"title.lastpage":"最后一页",
+"title.numberOfPages":"{0} (共 {1} 页)",
+"pubdate.title":"出版时间",
+"bookword.title":"书名",
+"bookword.none":"没有书籍",
+"bookword.one":"1 本书籍",
+"bookword.many":"{0} 本书籍",
+"authorword.title":"作者",
+"authorword.none":"未知",
+"authorword.one":"1 位作者",
+"authorword.many":"{0} 位作者",
+"taglevelword.title":"Tag levels",
+"taglevelword.none":"No tag level",
+"taglevelword.one":"1 tag level",
+"taglevelword.many":"{0} tag levels",
+"seriesword.title":"系列",
+"seriesword.none":"没有系列",
+"seriesword.one":"1 个系列",
+"seriesword.many":"{0} 系列",
+"tagword.title":"标签",
+"tagword.none":"没有标签",
+"tagword.one":"1 个标签",
+"tagword.many":"{0} 标签",
+"content.tags":"标签:",
+"content.series":"系列:",
+"content.series.data":"{0} 系列的第 {0} 本",
+"content.publisher":"出版社:",
+"content.published":"出版时间",
+"content.added":"添加了: ",
+"content.modified":"修改了:",
+"content.publisher.data":"由 {0} 出版于 {1}",
+"content.summary":"概要",
+"bookentry.series":"Book {0} in the {1} series",
+"bookentry.author":"{0} 由作者 {1}",
+"bookentry.tags":"{0} 在标签 {1}",
+"bookentry.ratings":"{0} 评分 {1}",
+"bookentry.goodreads":"Goodreads 上的这本书",
+"bookentry.goodreads.review":"在 Goodreads上评论这本书",
+"bookentry.goodreads.author":"{0} 在 Goodreads",
+"bookentry.wikipedia":"维基百科上的这本书",
+"bookentry.wikipedia.author":"{0} 在维基百科上",
+"bookentry.librarything":"LibraryThing 上的这本书",
+"bookentry.librarything.author":"{0} 在 LibraryThing",
+"bookentry.amazon":"Amazon上的这本书",
+"bookentry.amazon.author":"{0} 在 Amazon",
+"bookentry.isfdb.author":"{0} 在 ISFDB",
+"bookentry.download":"下载这本书 {0}",
+"bookentry.rated":"{0} {1}",
+"bookentry.fullentrylink":"全部条目",
+"tags.title":"标签",
+"tags.categorized":"Categorized index of the {0} tags",
+"tags.categorized.single":"Categorized index of the single tag - very useful indeed ;)",
+"tags.alphabetical.many":"{0} 个标签的字母索引",
+"tags.alphabetical.one":"Alphabetical index of the single tag - very useful indeed ;)",
+"tags.alphabetical.none":"Alphabetical index of absolutely no tag - very useful indeed ;)",
+"splitByLetter.tag.other":"其他标签",
+"authors.series.title":"系列: {0}",
+"authors.title":"作者",
+"authors.alphabetical.many":"{0} 位作者的字母索引",
+"authors.alphabetical.one":"Alphabetical index of the single author - very useful indeed ;)",
+"authors.alphabetical.none":"Alphabetical index of absolutely no author - very useful indeed ;)",
+"splitByLetter.author.other":"其他作者",
+"series.title":"系列",
+"series.alphabetical.many":"{0} 个系列的字母索引",
+"series.alphabetical.one":"Alphabetical index of the single series - very useful indeed ;)",
+"series.alphabetical.none":"Alphabetical index of absolutely no series - very useful indeed ;)",
+"splitByLetter.series.other":"其他系列",
+"recent.title":"最近添加",
+"recent.list":"{0} 本最近添加的书",
+"recent.list.single":"Most recent single book - very useful indeed ;)",
+"rating.title":"Rating",
+"rating.summary":"{0}, 根据评分分组",
+"allbooks.title":"所有书籍",
+"allbooks.alphabetical.many":"{0} 本书籍的字母索引",
+"allbooks.alphabetical.one":"Alphabetical index of the single book - very useful indeed ;)",
+"allbooks.alphabetical.none":"Alphabetical index of absolutely no book - very useful indeed ;)",
+"splitByLetter.book.other":"其他书籍",
+"main.title":"Calibre 书架",
+"main.summary":"{0} has catalogued {1}",
+"startup.newhome":"Default configuration folder home redirected to {0}",
+"startup.redirectfound":".redirect file found in {0}",
+"startup.redirectreadfail":"... failure reading .redirect file",
+"startup.redirectnotfound":"... unable to find redirect folder {0}",
+"startup.redirectabandoned":"... so redirect abandoned",
+"startup.redirecting":"redirecting home folder to {0}",
+"startup.configusing":"Using configuration folder {0}",
+"startup.folderuserhome":"Try configuration folder in user home folder {0}",
+"startup.foldertilde":"Try configuration folder from tilde folder {0}",
+"startup.folderjar":"Try configuration folder from .jar location {0}",
+"startup.foldernotexist":"... but specified folder does not exist",
+"i18n.and":"和",
+"i18n.downloads":"下载,链接和其他目录 ",
+"i18n.links":"链接和其他目录",
+"i18n.coversection":"封面",
+"i18n.downloadfile":"下载文件",
+"i18n.downloadsection":"下载",
+"i18n.relatedsection":"相关目录",
+"i18n.linksection":"外部链接",
+"i18n.backToMain":"返回目录主页",
+"i18n.summarysection":"描述",
+"i18n.dateGenerated":"目录生成于 {0}",
+"deeplevel.summary":"{0} broken up by authors, tags, etc. ",
+"about.title":"关于COPS",
+"about.summary":"关于Calibre2Opds的说明",
+"usage.intro":"选项从此配置文件生成 {0}",
+"config.Language.label":"语言",
+"config.Language.description":"此项设置将会改变程序使用的语言 ; 请使用ISO标准语言代码 (例如 EN, FR, DE...)",
+"config.Language.possible":"可能的选项 : {0}",
+"intro.goal":"从你的 Calibre 数据库生成 OPDS 和 HTML 目录",
+"intro.wiki.title":"项目主页 : ",
+"intro.wiki.url":"http://calibre2opds.com",
+"intro.team.title":"项目人员 :",
+"intro.team.list1":"David Pierron - main programmer",
+"intro.team.list2":"Dave Walker - guru, features manager and tester extraordinaire",
+"intro.team.list3":"Farid Soussi - css and html guru",
+"intro.team.list4":"Douglas Steele - programmer",
+"intro.team.list5":"Jane Litte - beta tester and moral support",
+"intro.thanks.1":"Special thanks to Kb Sriram, who not only programmed Trook, an excellent and OPDS compatible ",
+"intro.thanks.2":"library manager for the Nook, but also was kind enough to donate a Nook !",
+"search.result":"*{0}* 的搜索结果",
+"search.sortorder.asc":"升序",
+"search.sortorder.desc":"降序",
+"permalink.alternate":"永久链接",
+"home.alternate":"首页",
+"search.alternate":"搜索",
+"sort.alternate":"排序",
+"paging.next.alternate":"下一页",
+"paging.previous.alternate":"上一页",
+"fin":"fin"
+}