diff --git a/admin/editor-js.php b/admin/editor-js.php
new file mode 100644
index 00000000..9c842862
--- /dev/null
+++ b/admin/editor-js.php
@@ -0,0 +1,140 @@
+<?php $content = !empty($post) ? $post : $page; if ($options->markdown && (!$content->have() || $content->isMarkdown)): ?>
+<script src="<?php $options->adminUrl('js/markdown.js?v=' . $suffixVersion); ?>"></script>
+<script src="<?php $options->adminUrl('js/diff.js?v=' . $suffixVersion); ?>"></script>
+<script>
+$(document).ready(function () {
+    var textarea = $('#text'),
+        toolbar = $('<div class="editor" id="wmd-button-bar" />').insertBefore(textarea.parent())
+        preview = $('<div id="wmd-preview" />').insertAfter('.submit');
+
+    var converter = new Showdown.converter(), options = {};
+
+    options.strings = {
+        bold: '<?php _e('加粗'); ?> <strong> Ctrl+B',
+        boldexample: '<?php _e('加粗文字'); ?>',
+            
+        italic: '<?php _e('斜体'); ?> <em> Ctrl+I',
+        italicexample: '<?php _e('斜体文字'); ?>',
+
+        link: '<?php _e('链接'); ?> <a> Ctrl+L',
+        linkdescription: '<?php _e('请输入链接描述'); ?>',
+
+        quote:  '<?php _e('引用'); ?> <blockquote> Ctrl+Q',
+        quoteexample: '<?php _e('引用文字'); ?>',
+
+        code: '<?php _e('代码'); ?> <pre><code> Ctrl+K',
+        codeexample: '<?php _e('请输入代码'); ?>',
+
+        image: '<?php _e('图片'); ?> <img> Ctrl+G',
+        imagedescription: '<?php _e('请输入图片描述'); ?>',
+
+        olist: '<?php _e('数字列表'); ?> <ol> Ctrl+O',
+        ulist: '<?php _e('普通列表'); ?> <ul> Ctrl+U',
+        litem: '<?php _e('列表项目'); ?>',
+
+        heading: '<?php _e('标题'); ?> <h1>/<h2> Ctrl+H',
+        headingexample: '<?php _e('标题文字'); ?>',
+
+        hr: '<?php _e('分割线'); ?> <hr> Ctrl+R',
+
+        undo: '<?php _e('撤销'); ?> - Ctrl+Z',
+        redo: '<?php _e('重做'); ?> - Ctrl+Y',
+        redomac: '<?php _e('重做'); ?> - Ctrl+Shift+Z',
+
+        fullscreen: '<?php _e('全屏'); ?> - Ctrl+M',
+        exitFullscreen: '<?php _e('退出全屏'); ?> - Ctrl+M',
+
+        imagedialog: '<p><b><?php _e('插入图片'); ?></b></p><p><?php _e('请在下方的输入框内输入要插入的远程图片地址'); ?></p><p><?php _e('您也可以使用编辑器下方的文件上传功能插入本地图片'); ?></p>',
+        linkdialog: '<p><b><?php _e('插入链接'); ?></b></p><p><?php _e('请在下方的输入框内输入要插入的链接地址'); ?></p>',
+
+        ok: '<?php _e('确定'); ?>',
+        cancel: '<?php _e('取消'); ?>',
+
+        help: '<?php _e('Markdown语法帮助'); ?>'
+    };
+
+    var editor = new Markdown.Editor(converter, '', options),
+        diffMatch = new diff_match_patch(), last = '', preview = $('#wmd-preview'),
+        boundary = '@boundary' + Math.ceil(Math.random() * 1000000) + '@';
+
+    // 自动跟随
+    converter.preConversion = function (text) {
+        var diffs = diffMatch.diff_main(last, text);
+        last = text;
+
+
+        if (diffs.length > 0) {
+            text = '';
+
+            for (var i = 0; i < diffs.length; i ++) {
+                var diff = diffs[i];
+
+                if (diff[0] >= 0) {
+                    text += diff[1];
+                }
+
+                if (diff[0] != 0) {
+                    text += (diff[1].substring(-1).match(/\w\u3300-\u33ff\u3400-\u4d8f\u4e00-\u9fff/i) ? ' ' : '') + boundary;
+                }
+            }
+        }
+
+        return text;
+    }
+
+    converter.postConversion = function (html) {
+        html = html.replace(boundary, '<span class="diff" />');
+        return html.replace(new RegExp(boundary, 'g'), '');
+    }
+
+    editor.hooks.chain('onPreviewRefresh', function () {
+        var diff = $('.diff', preview);
+
+        if (diff.length > 0) {
+            var p = diff.position();
+
+            if (p.top < 0 || p.top > preview.height()) {
+                preview.scrollTo(diff, {
+                    offset  :   - 50
+                });
+            }
+        }
+    });
+
+    var input = $('#text'), th = textarea.height();
+
+    editor.hooks.chain('enterFullScreen', function () {
+        th = textarea.height();
+        $(document.body).addClass('fullscreen');
+        $('#wmd-fullscreen-button span').css('background-position', '-240px -20px');
+        textarea.height(window.screen.height - 38);
+    });
+
+    editor.hooks.chain('exitFullScreen', function () {
+        $(document.body).removeClass('fullscreen');
+        textarea.height(th);
+    });
+
+    editor.run();
+
+    var imageButton = $('#wmd-image-button'),
+        linkButton = $('#wmd-link-button');
+
+    Typecho.insertFileToEditor = function (file, url, isImage) {
+        var button = isImage ? imageButton : linkButton;
+
+        options.strings[isImage ? 'imagename' : 'linkname'] = file;
+        button.trigger('click');
+
+        var checkDialog = setInterval(function () {
+            if ($('.wmd-prompt-dialog').length > 0) {
+                $('.wmd-prompt-dialog input').val(url).select();
+                clearInterval(checkDialog);
+                checkDialog = null;
+            }
+        }, 10);
+    };
+});
+</script>
+<?php endif; ?>
+
diff --git a/admin/js/markdown.js b/admin/js/markdown.js
index addb2d87..69b07198 100644
--- a/admin/js/markdown.js
+++ b/admin/js/markdown.js
@@ -5340,8 +5340,12 @@ else
         if (!this.fullScreenBind) {
             util.addEvent(document, adapter.fullScreenChange.substring(2), function () {
                 if (!isFullScreen()) {
+                    buttons.fullscreen.style.display = '';
+                    buttons.exitFullscreen.style.display = 'none';
                     self.hooks.exitFullScreen();
                 } else {
+                    buttons.fullscreen.style.display = 'none';
+                    buttons.exitFullscreen.style.display = '';
                     self.hooks.enterFullScreen();
                 }
             });
@@ -5350,15 +5354,9 @@ else
         }
 
         if (!isFullScreen()) {
-            buttons.fullscreen.style.display = 'none';
-            buttons.exitFullscreen.style.display = '';
-
             document.body[adapter.requestFullscreen]('webkitRequestFullScreen' == adapter.requestFullscreen 
                     ? Element.ALLOW_KEYBOARD_INPUT : null);
         } else {
-            buttons.fullscreen.style.display = '';
-            buttons.exitFullscreen.style.display = 'none';
-
             document[adapter.cancelFullscreen]();
         }
     };
diff --git a/admin/write-js.php b/admin/write-js.php
index 0fde1715..1bbcb4f7 100644
--- a/admin/write-js.php
+++ b/admin/write-js.php
@@ -33,6 +33,9 @@ $(document).ready(function() {
         minute          :   (new Date()).getMinutes()
     });
 
+    // 聚焦
+    $('#title').select();
+
     // text 自动拉伸
     Typecho.editorResize('text', '<?php $options->index('/action/ajax?do=editorResize'); ?>');
 
@@ -197,139 +200,4 @@ $(document).ready(function() {
     });
 });
 </script>
-<?php $content = !empty($post) ? $post : $page; if ($options->markdown && (!$content->have() || $content->isMarkdown)): ?>
-<script src="<?php $options->adminUrl('js/markdown.js?v=' . $suffixVersion); ?>"></script>
-<script src="<?php $options->adminUrl('js/diff.js?v=' . $suffixVersion); ?>"></script>
-<script>
-$(document).ready(function () {
-    var toolbar = $('<div class="editor" id="wmd-button-bar" />').insertBefore($('#text').parent())
-        preview = $('<div id="wmd-preview" />').insertAfter('.submit');
-
-    var converter = new Showdown.converter(), options = {};
-
-    options.strings = {
-        bold: '<?php _e('加粗'); ?> <strong> Ctrl+B',
-        boldexample: '<?php _e('加粗文字'); ?>',
-            
-        italic: '<?php _e('斜体'); ?> <em> Ctrl+I',
-        italicexample: '<?php _e('斜体文字'); ?>',
-
-        link: '<?php _e('链接'); ?> <a> Ctrl+L',
-        linkdescription: '<?php _e('请输入链接描述'); ?>',
-
-        quote:  '<?php _e('引用'); ?> <blockquote> Ctrl+Q',
-        quoteexample: '<?php _e('引用文字'); ?>',
-
-        code: '<?php _e('代码'); ?> <pre><code> Ctrl+K',
-        codeexample: '<?php _e('请输入代码'); ?>',
-
-        image: '<?php _e('图片'); ?> <img> Ctrl+G',
-        imagedescription: '<?php _e('请输入图片描述'); ?>',
-
-        olist: '<?php _e('数字列表'); ?> <ol> Ctrl+O',
-        ulist: '<?php _e('普通列表'); ?> <ul> Ctrl+U',
-        litem: '<?php _e('列表项目'); ?>',
-
-        heading: '<?php _e('标题'); ?> <h1>/<h2> Ctrl+H',
-        headingexample: '<?php _e('标题文字'); ?>',
-
-        hr: '<?php _e('分割线'); ?> <hr> Ctrl+R',
-
-        undo: '<?php _e('撤销'); ?> - Ctrl+Z',
-        redo: '<?php _e('重做'); ?> - Ctrl+Y',
-        redomac: '<?php _e('重做'); ?> - Ctrl+Shift+Z',
-
-        fullscreen: '<?php _e('全屏'); ?> - Ctrl+M',
-        exitFullscreen: '<?php _e('退出全屏'); ?> - Ctrl+M',
-
-        imagedialog: '<p><b><?php _e('插入图片'); ?></b></p><p><?php _e('请在下方的输入框内输入要插入的远程图片地址'); ?></p><p><?php _e('您也可以使用编辑器下方的文件上传功能插入本地图片'); ?></p>',
-        linkdialog: '<p><b><?php _e('插入链接'); ?></b></p><p><?php _e('请在下方的输入框内输入要插入的链接地址'); ?></p>',
-
-        ok: '<?php _e('确定'); ?>',
-        cancel: '<?php _e('取消'); ?>',
-
-        help: '<?php _e('Markdown语法帮助'); ?>'
-    };
-
-    var editor = new Markdown.Editor(converter, '', options),
-        diffMatch = new diff_match_patch(), last = '', preview = $('#wmd-preview'),
-        boundary = '@boundary' + Math.ceil(Math.random() * 1000000) + '@';
-
-    // 自动跟随
-    converter.preConversion = function (text) {
-        var diffs = diffMatch.diff_main(last, text);
-        last = text;
-
-
-        if (diffs.length > 0) {
-            text = '';
-
-            for (var i = 0; i < diffs.length; i ++) {
-                var diff = diffs[i];
-
-                if (diff[0] >= 0) {
-                    text += diff[1];
-                }
-
-                if (diff[0] != 0) {
-                    text += '\n' + boundary;
-                }
-            }
-        }
-
-        return text;
-    }
-
-    converter.postConversion = function (html) {
-        html = html.replace(boundary, '<span class="diff" />');
-        return html.replace(new RegExp(boundary, 'g'), '');
-    }
-
-    editor.hooks.chain('onPreviewRefresh', function () {
-        var diff = $('.diff', preview);
-
-        if (diff.length > 0) {
-            var p = diff.position();
-
-            if (p.top < 0 || p.top > preview.height()) {
-                preview.scrollTo(diff, {
-                    offset  :   - 50
-                });
-            }
-        }
-    });
-
-    var input = $('#text');
-
-    editor.hooks.chain('enterFullScreen', function () {
-        $(document.body).addClass('fullscreen');
-        $('#wmd-fullscreen-button span').css('background-position', '-240px -20px');
-    });
-
-    editor.hooks.chain('exitFullScreen', function () {
-        $(document.body).removeClass('fullscreen');
-    });
-
-    editor.run();
-
-    var imageButton = $('#wmd-image-button'),
-        linkButton = $('#wmd-link-button');
-
-    Typecho.insertFileToEditor = function (file, url, isImage) {
-        var button = isImage ? imageButton : linkButton;
-
-        options.strings[isImage ? 'imagename' : 'linkname'] = file;
-        button.trigger('click');
-
-        var checkDialog = setInterval(function () {
-            if ($('.wmd-prompt-dialog').length > 0) {
-                $('.wmd-prompt-dialog input').val(url).select();
-                clearInterval(checkDialog);
-                checkDialog = null;
-            }
-        }, 10);
-    };
-});
-</script>
-<?php endif; ?>
 
diff --git a/admin/write-page.php b/admin/write-page.php
index 90dfd96b..d036653e 100644
--- a/admin/write-page.php
+++ b/admin/write-page.php
@@ -111,8 +111,13 @@ include 'copyright.php';
 include 'common-js.php';
 include 'form-js.php';
 include 'write-js.php';
-include 'file-upload-js.php';
 
+Typecho_Plugin::factory('admin/write-page.php')->trigger($plugged)->richEditor($post);
+if (!$plugged) {
+    include 'editor-js.php';
+}
+
+include 'file-upload-js.php';
 Typecho_Plugin::factory('admin/write-page.php')->bottom($page);
 include 'footer.php';
 ?>
diff --git a/admin/write-post.php b/admin/write-post.php
index f2bbdcb6..8a14359c 100644
--- a/admin/write-post.php
+++ b/admin/write-post.php
@@ -140,8 +140,13 @@ include 'copyright.php';
 include 'common-js.php';
 include 'form-js.php';
 include 'write-js.php';
-include 'file-upload-js.php';
 
+Typecho_Plugin::factory('admin/write-post.php')->trigger($plugged)->richEditor($post);
+if (!$plugged) {
+    include 'editor-js.php';
+}
+
+include 'file-upload-js.php';
 Typecho_Plugin::factory('admin/write-post.php')->bottom($post);
 include 'footer.php';
 ?>