diff --git a/admin/common-js.php b/admin/common-js.php
index 5ee4ba1a..812bee9c 100644
--- a/admin/common-js.php
+++ b/admin/common-js.php
@@ -92,7 +92,7 @@
                 $('a').each(function () {
                     var t = $(this), href = t.attr('href');
 
-                    if ((href.length > 1 && href[0] == '#')
+                    if ((href && href[0] == '#')
                         || /^<?php echo preg_quote($options->adminUrl, '/'); ?>.*$/.exec(href) 
                             || /^<?php echo substr(preg_quote(Typecho_Common::url('s', $options->index), '/'), 0, -1); ?>action\/[_a-zA-Z0-9\/]+.*$/.exec(href)) {
                         return;
diff --git a/admin/css/style.css b/admin/css/style.css
index c568cdf7..ade4c149 100644
--- a/admin/css/style.css
+++ b/admin/css/style.css
@@ -1,3 +1,4 @@
+@charset "UTF-8";
 /* vim: set et sw=2 ts=2 sts=2 fdm=marker ff=unix fenc=utf8 */
 /**
 * Typecho 后台样式
@@ -1407,112 +1408,177 @@ a.operate-reply {
 /**
  * icons
  */
-/* line 8, ../scss/_icons.scss */
+/* line 29, ../scss/_icons.scss */
 .i-edit, .i-delete, .i-exlink, .mime-office, .mime-text, .mime-image, .mime-html, .mime-archive, .mime-application, .mime-audio, .mime-script, .mime-video, .mime-unknow, .i-upload, .i-upload-active {
   display: inline-block;
   vertical-align: text-bottom;
-  background: url('../img/icons-sba2b1299ac.png') no-repeat;
-  text-indent: -9999em; }
-  /* line 13, ../scss/_icons.scss */
+  text-indent: -9999em;
+  background-image: url('../img/icons-sba2b1299ac.png');
+  background-repeat: no-repeat; }
+  /* line 35, ../scss/_icons.scss */
   .i-edit:hover, .i-delete:hover, .i-exlink:hover, .mime-office:hover, .mime-text:hover, .mime-image:hover, .mime-html:hover, .mime-archive:hover, .mime-application:hover, .mime-audio:hover, .mime-script:hover, .mime-video:hover, .mime-unknow:hover, .i-upload:hover, .i-upload-active:hover {
     filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=75);
     opacity: 0.75; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 29, ../scss/_icons.scss */
+    .i-edit, .i-delete, .i-exlink, .mime-office, .mime-text, .mime-image, .mime-html, .mime-archive, .mime-application, .mime-audio, .mime-script, .mime-video, .mime-unknow, .i-upload, .i-upload-active {
+      -webkit-background-size: auto 256px;
+      -moz-background-size: auto 256px;
+      -o-background-size: auto 256px;
+      background-size: auto 256px;
+      background-image: url('../img/icons-2x-se223d6d340.png'); } }
 
-/* line 18, ../scss/_icons.scss */
+/* line 47, ../scss/_icons.scss */
 .i-edit, .i-delete, .i-exlink, .mime-office, .mime-text, .mime-image, .mime-html, .mime-archive, .mime-application, .mime-audio, .mime-script, .mime-video, .mime-unknow {
   width: 16px;
   height: 16px; }
 
-/* line 24, ../scss/_icons.scss */
+/* line 53, ../scss/_icons.scss */
 .i-upload, .i-upload-active {
   width: 24px;
   height: 24px; }
 
-/* line 30, ../scss/_icons.scss */
+/* line 59, ../scss/_icons.scss */
 .i-edit {
   background-position: 0 -80px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 59, ../scss/_icons.scss */
+    .i-edit {
+      background-position: 0 -80px; } }
 
-/* line 34, ../scss/_icons.scss */
+/* line 63, ../scss/_icons.scss */
 .i-delete {
   background-position: 0 -64px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 63, ../scss/_icons.scss */
+    .i-delete {
+      background-position: 0 -64px; } }
 
-/* line 42, ../scss/_icons.scss */
+/* line 71, ../scss/_icons.scss */
 .i-upload {
   background-position: 0 -24px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 71, ../scss/_icons.scss */
+    .i-upload {
+      background-position: 0 -24px; } }
 
-/* line 47, ../scss/_icons.scss */
+/* line 76, ../scss/_icons.scss */
 .i-upload-active {
   background-position: 0 0; }
 
-/* line 53, ../scss/_icons.scss */
+/* line 82, ../scss/_icons.scss */
 .i-caret-up, .i-caret-down, .i-caret-left, .i-caret-right {
   display: inline-block;
   border-style: solid;
   border-color: transparent transparent #BBB transparent;
   border-width: 3px 4px 5px; }
 
-/* line 59, ../scss/_icons.scss */
+/* line 88, ../scss/_icons.scss */
 .i-caret-down {
   border-color: #BBB transparent transparent transparent;
   border-width: 5px 4px 3px; }
 
-/* line 63, ../scss/_icons.scss */
+/* line 92, ../scss/_icons.scss */
 .i-caret-left {
   border-color: transparent #BBB transparent transparent;
   border-width: 4px 5px 4px 3px; }
 
-/* line 67, ../scss/_icons.scss */
+/* line 96, ../scss/_icons.scss */
 .i-caret-right {
   border-color: transparent transparent transparent #BBB;
   border-width: 4px 3px 4px 5px; }
 
-/* line 72, ../scss/_icons.scss */
+/* line 101, ../scss/_icons.scss */
 .i-exlink {
   background-position: 0 -48px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 101, ../scss/_icons.scss */
+    .i-exlink {
+      background-position: 0 -48px; } }
 
 /* 文件类型图标 */
-/* line 80, ../scss/_icons.scss */
+/* line 109, ../scss/_icons.scss */
 .mime-office {
   background-position: 0 -128px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 109, ../scss/_icons.scss */
+    .mime-office {
+      background-position: 0 -112px; } }
 
-/* line 85, ../scss/_icons.scss */
+/* line 114, ../scss/_icons.scss */
 .mime-text {
   background-position: 0 -208px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 114, ../scss/_icons.scss */
+    .mime-text {
+      background-position: 0 -208px; } }
 
-/* line 90, ../scss/_icons.scss */
+/* line 119, ../scss/_icons.scss */
 .mime-image {
   background-position: 0 -96px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 119, ../scss/_icons.scss */
+    .mime-image {
+      background-position: 0 -96px; } }
 
-/* line 95, ../scss/_icons.scss */
+/* line 124, ../scss/_icons.scss */
 .mime-html {
   background-position: 0 -144px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 124, ../scss/_icons.scss */
+    .mime-html {
+      background-position: 0 -144px; } }
 
-/* line 100, ../scss/_icons.scss */
+/* line 129, ../scss/_icons.scss */
 .mime-archive {
   background-position: 0 -224px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 129, ../scss/_icons.scss */
+    .mime-archive {
+      background-position: 0 -224px; } }
 
-/* line 105, ../scss/_icons.scss */
+/* line 134, ../scss/_icons.scss */
 .mime-application {
   background-position: 0 -160px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 134, ../scss/_icons.scss */
+    .mime-application {
+      background-position: 0 -176px; } }
 
-/* line 110, ../scss/_icons.scss */
+/* line 139, ../scss/_icons.scss */
 .mime-audio {
   background-position: 0 -240px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 139, ../scss/_icons.scss */
+    .mime-audio {
+      background-position: 0 -240px; } }
 
-/* line 115, ../scss/_icons.scss */
+/* line 144, ../scss/_icons.scss */
 .mime-script {
   background-position: 0 -176px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 144, ../scss/_icons.scss */
+    .mime-script {
+      background-position: 0 -160px; } }
 
-/* line 120, ../scss/_icons.scss */
+/* line 149, ../scss/_icons.scss */
 .mime-video {
   background-position: 0 -112px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 149, ../scss/_icons.scss */
+    .mime-video {
+      background-position: 0 -128px; } }
 
-/* line 125, ../scss/_icons.scss */
+/* line 154, ../scss/_icons.scss */
 .mime-unknow {
   background-position: 0 -192px; }
+  @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* line 154, ../scss/_icons.scss */
+    .mime-unknow {
+      background-position: 0 -192px; } }
 
 /* Logo 图标 */
-/* line 132, ../scss/_icons.scss */
+/* line 161, ../scss/_icons.scss */
 .i-logo, .i-logo-s {
   width: 169px;
   height: 40px;
@@ -1525,12 +1591,12 @@ a.operate-reply {
   background-size: auto 40px;
   filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=15);
   opacity: 0.15; }
-  /* line 140, ../scss/_icons.scss */
+  /* line 169, ../scss/_icons.scss */
   .i-logo:hover, .i-logo-s:hover {
     filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=20);
     opacity: 0.2; }
 
-/* line 144, ../scss/_icons.scss */
+/* line 173, ../scss/_icons.scss */
 .i-logo-s {
   width: 26px;
   height: 26px;
@@ -1584,40 +1650,48 @@ a.operate-reply {
   height: 20px;
   background: transparent url(../img/editor.png) no-repeat; }
 
-/* line 44, ../scss/components/_editor.scss */
+@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+  /* line 46, ../scss/components/_editor.scss */
+  #wmd-button-row span {
+    background-image: url(../img/editor@2x.png);
+    -webkit-background-size: 320px auto;
+    -moz-background-size: 320px auto;
+    -o-background-size: 320px auto;
+    background-size: 320px auto; } }
+/* line 53, ../scss/components/_editor.scss */
 .wmd-edittab {
   float: right;
   margin-top: 3px;
   font-size: .92857em; }
-  /* line 48, ../scss/components/_editor.scss */
+  /* line 57, ../scss/components/_editor.scss */
   .wmd-edittab a {
     display: inline-block;
     padding: 0 8px;
     margin-left: 5px;
     height: 20px;
     line-height: 20px; }
-    /* line 54, ../scss/components/_editor.scss */
+    /* line 63, ../scss/components/_editor.scss */
     .wmd-edittab a:hover {
       text-decoration: none; }
-    /* line 57, ../scss/components/_editor.scss */
+    /* line 66, ../scss/components/_editor.scss */
     .wmd-edittab a.active {
       background: #E9E9E6;
       color: #999; }
 
-/* line 65, ../scss/components/_editor.scss */
+/* line 74, ../scss/components/_editor.scss */
 .wmd-hidetab {
   display: none; }
 
-/* line 69, ../scss/components/_editor.scss */
+/* line 78, ../scss/components/_editor.scss */
 .wmd-visualhide {
   visibility: hidden; }
 
 /* 对话框 */
-/* line 74, ../scss/components/_editor.scss */
+/* line 83, ../scss/components/_editor.scss */
 .wmd-prompt-background {
   background-color: #000; }
 
-/* line 77, ../scss/components/_editor.scss */
+/* line 86, ../scss/components/_editor.scss */
 .wmd-prompt-dialog {
   position: fixed;
   z-index: 1001;
@@ -1628,22 +1702,22 @@ a.operate-reply {
   padding: 20px;
   width: 360px;
   background: #F6F6F3; }
-  /* line 88, ../scss/components/_editor.scss */
+  /* line 97, ../scss/components/_editor.scss */
   .wmd-prompt-dialog p {
     margin: 0 0 5px; }
-  /* line 89, ../scss/components/_editor.scss */
+  /* line 98, ../scss/components/_editor.scss */
   .wmd-prompt-dialog form {
     margin-top: 10px; }
-  /* line 90, ../scss/components/_editor.scss */
+  /* line 99, ../scss/components/_editor.scss */
   .wmd-prompt-dialog input[type="text"] {
     margin-bottom: 10px;
     width: 100%; }
-  /* line 94, ../scss/components/_editor.scss */
+  /* line 103, ../scss/components/_editor.scss */
   .wmd-prompt-dialog button {
     margin-right: 10px; }
 
 /* 预览 */
-/* line 98, ../scss/components/_editor.scss */
+/* line 107, ../scss/components/_editor.scss */
 #wmd-preview {
   background: #FFF;
   margin: 1em 0;
@@ -1655,37 +1729,37 @@ a.operate-reply {
   -ms-border-radius: 2px;
   -o-border-radius: 2px;
   border-radius: 2px; }
-  /* line 105, ../scss/components/_editor.scss */
+  /* line 114, ../scss/components/_editor.scss */
   #wmd-preview img {
     max-width: 100%; }
-  /* line 106, ../scss/components/_editor.scss */
+  /* line 115, ../scss/components/_editor.scss */
   #wmd-preview code, #wmd-preview pre {
     padding: 2px 4px;
     background: #F3F3F0;
     font-size: .92857em; }
-  /* line 111, ../scss/components/_editor.scss */
+  /* line 120, ../scss/components/_editor.scss */
   #wmd-preview code {
     color: #C13; }
-  /* line 112, ../scss/components/_editor.scss */
+  /* line 121, ../scss/components/_editor.scss */
   #wmd-preview pre {
     padding: 1em; }
-    /* line 114, ../scss/components/_editor.scss */
+    /* line 123, ../scss/components/_editor.scss */
     #wmd-preview pre code {
       padding: 0;
       color: #444; }
-  /* line 119, ../scss/components/_editor.scss */
+  /* line 128, ../scss/components/_editor.scss */
   #wmd-preview blockquote {
     margin: 1em 1.5em;
     padding-left: 1.5em;
     border-left: 4px solid #E9E9E6;
     color: #777; }
-  /* line 125, ../scss/components/_editor.scss */
+  /* line 134, ../scss/components/_editor.scss */
   #wmd-preview hr {
     margin: 2em auto;
     width: 100px;
     border: 1px solid #E9E9E6;
     border-width: 2px 0 0 0; }
-  /* line 131, ../scss/components/_editor.scss */
+  /* line 140, ../scss/components/_editor.scss */
   #wmd-preview .summary:after {
     display: block;
     margin: 2em 0;
@@ -1696,7 +1770,7 @@ a.operate-reply {
     content: "- more -"; }
 
 /* 编辑器全屏 */
-/* line 144, ../scss/components/_editor.scss */
+/* line 153, ../scss/components/_editor.scss */
 .fullscreen #wmd-button-bar, .fullscreen #text, .fullscreen #wmd-preview, .fullscreen .submit {
   position: absolute;
   top: 0;
@@ -1711,20 +1785,20 @@ a.operate-reply {
   -ms-border-radius: 0;
   -o-border-radius: 0;
   border-radius: 0; }
-/* line 154, ../scss/components/_editor.scss */
+/* line 163, ../scss/components/_editor.scss */
 .fullscreen #wmd-button-bar {
   left: 0;
   padding: 13px 20px;
   border-bottom: 1px solid #F3F3F0;
   z-index: 1000; }
-/* line 160, ../scss/components/_editor.scss */
+/* line 169, ../scss/components/_editor.scss */
 .fullscreen #text {
   top: 53px;
   left: 0;
   padding: 20px;
   border: none;
   outline: none; }
-/* line 167, ../scss/components/_editor.scss */
+/* line 176, ../scss/components/_editor.scss */
 .fullscreen #wmd-preview {
   top: 53px;
   right: 0;
@@ -1734,23 +1808,23 @@ a.operate-reply {
   border-left: 1px solid #F3F3F0;
   background: #F6F6F3;
   overflow: auto; }
-  /* line 176, ../scss/components/_editor.scss */
+  /* line 185, ../scss/components/_editor.scss */
   .fullscreen #wmd-preview code, .fullscreen #wmd-preview pre {
     background: #F0F0EC; }
-/* line 180, ../scss/components/_editor.scss */
+/* line 189, ../scss/components/_editor.scss */
 .fullscreen .submit {
   right: 0;
   margin: 0;
   padding: 10px 20px;
   border-bottom: 1px solid #F3F3F0; }
-/* line 188, ../scss/components/_editor.scss */
+/* line 197, ../scss/components/_editor.scss */
 .fullscreen #tab-files {
   position: absolute;
   top: 52px;
   right: 20px;
   width: 280px;
   z-index: 1001; }
-/* line 202, ../scss/components/_editor.scss */
+/* line 211, ../scss/components/_editor.scss */
 .fullscreen .wmd-edittab,
 .fullscreen .typecho-post-option,
 .fullscreen .title,
@@ -1759,10 +1833,10 @@ a.operate-reply {
 .fullscreen .typecho-head-nav,
 .fullscreen .message {
   display: none; }
-/* line 203, ../scss/components/_editor.scss */
+/* line 212, ../scss/components/_editor.scss */
 .fullscreen .wmd-hidetab {
   display: block; }
-/* line 205, ../scss/components/_editor.scss */
+/* line 214, ../scss/components/_editor.scss */
 .fullscreen .wmd-visualhide,
 .fullscreen #btn-fullscreen-upload {
   visibility: visible; }
diff --git a/admin/img/editor.png b/admin/img/editor.png
index d905db6d..9bc092de 100644
Binary files a/admin/img/editor.png and b/admin/img/editor.png differ
diff --git a/admin/img/editor@2x.png b/admin/img/editor@2x.png
new file mode 100644
index 00000000..06d061c1
Binary files /dev/null and b/admin/img/editor@2x.png differ
diff --git a/admin/img/icons-2x-se223d6d340.png b/admin/img/icons-2x-se223d6d340.png
new file mode 100644
index 00000000..71b1f879
Binary files /dev/null and b/admin/img/icons-2x-se223d6d340.png differ
diff --git a/admin/img/icons-2x/icon-delete-2x.png b/admin/img/icons-2x/icon-delete.png
similarity index 100%
rename from admin/img/icons-2x/icon-delete-2x.png
rename to admin/img/icons-2x/icon-delete.png
diff --git a/admin/img/icons-2x/icon-edit-2x.png b/admin/img/icons-2x/icon-edit.png
similarity index 100%
rename from admin/img/icons-2x/icon-edit-2x.png
rename to admin/img/icons-2x/icon-edit.png
diff --git a/admin/img/icons-2x/icon-exlink-2x.png b/admin/img/icons-2x/icon-exlink.png
similarity index 100%
rename from admin/img/icons-2x/icon-exlink-2x.png
rename to admin/img/icons-2x/icon-exlink.png
diff --git a/admin/img/icons-2x/icon-upload-active-2x.png b/admin/img/icons-2x/icon-upload-active.png
similarity index 100%
rename from admin/img/icons-2x/icon-upload-active-2x.png
rename to admin/img/icons-2x/icon-upload-active.png
diff --git a/admin/img/icons-2x/icon-upload-2x.png b/admin/img/icons-2x/icon-upload.png
similarity index 100%
rename from admin/img/icons-2x/icon-upload-2x.png
rename to admin/img/icons-2x/icon-upload.png
diff --git a/admin/img/icons-2x/mime-application-2x.png b/admin/img/icons-2x/mime-application.png
similarity index 100%
rename from admin/img/icons-2x/mime-application-2x.png
rename to admin/img/icons-2x/mime-application.png
diff --git a/admin/img/icons-2x/mime-archive-2x.png b/admin/img/icons-2x/mime-archive.png
similarity index 100%
rename from admin/img/icons-2x/mime-archive-2x.png
rename to admin/img/icons-2x/mime-archive.png
diff --git a/admin/img/icons-2x/mime-audio-2x.png b/admin/img/icons-2x/mime-audio.png
similarity index 100%
rename from admin/img/icons-2x/mime-audio-2x.png
rename to admin/img/icons-2x/mime-audio.png
diff --git a/admin/img/icons-2x/mime-html-2x.png b/admin/img/icons-2x/mime-html.png
similarity index 100%
rename from admin/img/icons-2x/mime-html-2x.png
rename to admin/img/icons-2x/mime-html.png
diff --git a/admin/img/icons-2x/mime-image-2x.png b/admin/img/icons-2x/mime-image.png
similarity index 100%
rename from admin/img/icons-2x/mime-image-2x.png
rename to admin/img/icons-2x/mime-image.png
diff --git a/admin/img/icons-2x/mime-office-2x.png b/admin/img/icons-2x/mime-office.png
similarity index 100%
rename from admin/img/icons-2x/mime-office-2x.png
rename to admin/img/icons-2x/mime-office.png
diff --git a/admin/img/icons-2x/mime-script-2x.png b/admin/img/icons-2x/mime-script.png
similarity index 100%
rename from admin/img/icons-2x/mime-script-2x.png
rename to admin/img/icons-2x/mime-script.png
diff --git a/admin/img/icons-2x/mime-text-2x.png b/admin/img/icons-2x/mime-text.png
similarity index 100%
rename from admin/img/icons-2x/mime-text-2x.png
rename to admin/img/icons-2x/mime-text.png
diff --git a/admin/img/icons-2x/mime-unknow-2x.png b/admin/img/icons-2x/mime-unknow.png
similarity index 100%
rename from admin/img/icons-2x/mime-unknow-2x.png
rename to admin/img/icons-2x/mime-unknow.png
diff --git a/admin/img/icons-2x/mime-video-2x.png b/admin/img/icons-2x/mime-video.png
similarity index 100%
rename from admin/img/icons-2x/mime-video-2x.png
rename to admin/img/icons-2x/mime-video.png
diff --git a/admin/js/pagedown.js b/admin/js/pagedown.js
index 2c96211b..ecd60010 100644
--- a/admin/js/pagedown.js
+++ b/admin/js/pagedown.js
@@ -1296,7 +1296,10 @@ else
 
             //  autolink anything like <http://example.com>
             
-            var replacer = function (wholematch, m1) { return "<a href=\"" + m1 + "\">" + pluginHooks.plainLinkText(m1) + "</a>"; }
+            var replacer = function (wholematch, m1) {
+                var html = "<a href=\"" + m1 + "\">" + pluginHooks.plainLinkText(m1) + "</a>";
+                return "~K" + (g_html_blocks.push(html) - 1) + "K";
+            }
             text = text.replace(/<((https?|ftp):[^'">\s]+)>/gi, replacer);
 
             // Email addresses: <address@domain.foo>
diff --git a/admin/scss/_icons.scss b/admin/scss/_icons.scss
index 83beeff8..1992149d 100644
--- a/admin/scss/_icons.scss
+++ b/admin/scss/_icons.scss
@@ -1,18 +1,47 @@
 /**
  * icons
  */
+$sprites: sprite-map("icons/*.png");
+$sprites-retina: sprite-map("icons-2x/*.png");
+
+@mixin sprite-background($name) {
+  // background-image: sprite-url($sprites);
+  background-position: sprite-position($sprites, $name);
+  // background-repeat: no-repeat;
+  // display: block;
+  // height: image-height(sprite-file($sprites, $name));
+  // width: image-width(sprite-file($sprites, $name));
+  @media 
+  (-webkit-min-device-pixel-ratio: 2), 
+  (min-resolution: 192dpi) {
+    // Workaround for https://gist.github.com/2140082
+    @if (sprite-position($sprites, $name) != sprite-position($sprites-retina, $name)) {
+      $ypos: round(nth(sprite-position($sprites-retina, $name), 2) / 2);
+      background-position: 0 $ypos;
+    }
+    // Hard coded width of the normal sprite image. There must be a smarter way to do this.
+    // @include background-size(auto 256px);
+    // background-image: sprite-url($sprites-retina);
+  }
+}
 
-$icons: sprite-map("icons/*.png");
-$icons-2x: sprite-map("icons-2x/*.png");
 
 %i-base {
   display: inline-block;
   vertical-align: text-bottom;
-  background: $icons no-repeat;
   text-indent: -9999em;
+  background-image: sprite-url($sprites);
+  background-repeat: no-repeat;
   &:hover {
     @include opacity(0.75);
   }
+  @media
+  (-webkit-min-device-pixel-ratio: 2), 
+  (min-resolution: 192dpi) {
+    // Hard coded width of the normal sprite image. There must be a smarter way to do this.
+    @include background-size(auto 256px);
+    background-image: sprite-url($sprites-retina);
+  }
 }
 
 %i-16 {
@@ -29,11 +58,11 @@ $icons-2x: sprite-map("icons-2x/*.png");
 
 .i-edit {
   @extend %i-16;
-  background-position: sprite-position($icons, icon-edit);
+  @include sprite-background(icon-edit);
 }
 .i-delete {
   @extend %i-16;
-  background-position: sprite-position($icons, icon-delete);
+  @include sprite-background(icon-delete);
 }
 
 
@@ -41,12 +70,12 @@ $icons-2x: sprite-map("icons-2x/*.png");
 
 .i-upload {
   @extend %i-24;
-  background-position: sprite-position($icons, icon-upload);
+  @include sprite-background(icon-upload);
 }
 
 .i-upload-active {
   @extend %i-24;
-  background-position: sprite-position($icons, icon-upload-active);
+  @include sprite-background(icon-upload-active);
 }
 
 // 小箭头
@@ -71,7 +100,7 @@ $icons-2x: sprite-map("icons-2x/*.png");
 
 .i-exlink {
   @extend %i-16;
-  background-position: sprite-position($icons, icon-exlink);
+  @include sprite-background(icon-exlink);
 }
 
 
@@ -79,52 +108,52 @@ $icons-2x: sprite-map("icons-2x/*.png");
 
 .mime-office {
   @extend %i-16;
-  background-position: sprite-position($icons, mime-office);
+  @include sprite-background(mime-office);
 }
 
 .mime-text {
   @extend %i-16;
-  background-position: sprite-position($icons, mime-text);
+  @include sprite-background(mime-text);
 }
 
 .mime-image {
   @extend %i-16;
-  background-position: sprite-position($icons, mime-image);
+  @include sprite-background(mime-image);
 }
 
 .mime-html {
   @extend %i-16;
-  background-position: sprite-position($icons, mime-html);
+  @include sprite-background(mime-html);
 }
 
 .mime-archive {
   @extend %i-16;
-  background-position: sprite-position($icons, mime-archive);
+  @include sprite-background(mime-archive);
 }
 
 .mime-application {
   @extend %i-16;
-  background-position: sprite-position($icons, mime-application);
+  @include sprite-background(mime-application);
 }
 
 .mime-audio {
   @extend %i-16;
-  background-position: sprite-position($icons, mime-audio);
+  @include sprite-background(mime-audio);
 }
 
 .mime-script {
   @extend %i-16;
-  background-position: sprite-position($icons, mime-script);
+  @include sprite-background(mime-script);
 }
 
 .mime-video {
   @extend %i-16;
-  background-position: sprite-position($icons, mime-video);
+  @include sprite-background(mime-video);
 }
 
 .mime-unknow {
   @extend %i-16;
-  background-position: sprite-position($icons, mime-unknow);
+  @include sprite-background(mime-unknow);
 }
 
 
diff --git a/admin/scss/components/_editor.scss b/admin/scss/components/_editor.scss
index 01f775b4..2d9b68f4 100644
--- a/admin/scss/components/_editor.scss
+++ b/admin/scss/components/_editor.scss
@@ -40,6 +40,15 @@
   background: transparent url(../img/editor.png) no-repeat;
 }
 
+@media 
+(-webkit-min-device-pixel-ratio: 2), 
+(min-resolution: 192dpi) {
+  #wmd-button-row span {
+    background-image: url(../img/editor@2x.png);
+    @include background-size(320px auto);
+  }
+}
+
 // 撰写预览切换 tab
 .wmd-edittab {
   float: right;
diff --git a/install.php b/install.php
index 6d426266..a666b176 100644
--- a/install.php
+++ b/install.php
@@ -60,6 +60,18 @@ if (!isset($_GET['finish']) && file_exists(__TYPECHO_ROOT_DIR__ . '/config.inc.p
     exit;
 }
 
+// 挡掉可能的跨站请求
+if (!empty($_GET) || !empty($_POST)) {
+    if (empty($_SERVER['HTTP_REFERER')) {
+        exit;
+    }
+
+    $parts = parse_url($_SERVER);
+    if (empty($parts['host']) || $_SERVER['HTTP_HOST'] != $parts['host']) {
+        exit;
+    }
+}
+
 /**
  * 获取传递参数
  *
@@ -68,7 +80,8 @@ if (!isset($_GET['finish']) && file_exists(__TYPECHO_ROOT_DIR__ . '/config.inc.p
  * @return string
  */
 function _r($name, $default = NULL) {
-    return isset($_REQUEST[$name]) ? $_REQUEST[$name] : $default;
+    return isset($_REQUEST[$name]) ?
+        (is_array($_REQUEST[$name]) ? $default : $_REQUEST[$name]) : $default;
 }
 
 /**
@@ -81,7 +94,8 @@ function _rFrom() {
     $params = func_get_args();
     
     foreach ($params as $param) {
-        $result[$param] = isset($_REQUEST[$param]) ? $_REQUEST[$param] : NULL;
+        $result[$param] = isset($_REQUEST[$param]) ?
+            (is_array($_REQUEST[$param]) ? NULL : $_REQUEST[$param]) : NULL;
     }
     
     return $result;
@@ -203,6 +217,7 @@ list($prefixVersion, $suffixVersion) = explode('/', $currentVersion);
                         if (isset($_REQUEST['user']) && isset($_REQUEST['password'])) {
                             $loginUrl = _u() . '/index.php/action/login?name=' . urlencode(_r('user')) . '&password=' 
                             . urlencode(_r('password')) . '&referer=' . _u() . '/admin/index.php';
+                            $loginUrl = Typecho_Widget::widget('Widget_Security')->getTokenUrl($loginUrl);
                         } else {
                             $loginUrl = _u() . '/admin/index.php';
                         }
@@ -305,6 +320,7 @@ list($prefixVersion, $suffixVersion) = explode('/', $currentVersion);
                                         $installDb->query($installDb->insert('table.options')->rows(array('name' => 'actionTable', 'user' => 0, 'value' => 'a:0:{}')));
                                         $installDb->query($installDb->insert('table.options')->rows(array('name' => 'panelTable', 'user' => 0, 'value' => 'a:0:{}')));
                                         $installDb->query($installDb->insert('table.options')->rows(array('name' => 'attachmentTypes', 'user' => 0, 'value' => '@image@')));
+                                        $installDb->query($installDb->insert('table.options')->rows(array('name' => 'secret', 'user' => 0, 'value' => Typecho_Common::randString(32, true))));
 
                                         /** 初始分类 */
                                         $installDb->query($installDb->insert('table.metas')->rows(array('name' => _t('默认分类'), 'slug' => 'default', 'type' => 'category', 'description' => _t('只是一个默认分类'),
diff --git a/usr/themes/default/img/icon-search.png b/usr/themes/default/img/icon-search.png
index c437e363..c0b7599c 100644
Binary files a/usr/themes/default/img/icon-search.png and b/usr/themes/default/img/icon-search.png differ
diff --git a/usr/themes/default/img/icon-search@2x.png b/usr/themes/default/img/icon-search@2x.png
new file mode 100644
index 00000000..5f9ea169
Binary files /dev/null and b/usr/themes/default/img/icon-search@2x.png differ
diff --git a/usr/themes/default/style.css b/usr/themes/default/style.css
index 01b84bfc..020c8ede 100644
--- a/usr/themes/default/style.css
+++ b/usr/themes/default/style.css
@@ -158,6 +158,18 @@ textarea {
   text-indent: -9999em;
 }
 
+@media 
+(-webkit-min-device-pixel-ratio: 2), 
+(min-resolution: 192dpi) {
+  #search button {
+    background-image: url(img/icon-search@2x.png);
+    -webkit-background-size: 24px 24px;
+    -moz-background-size: 24px 24px;
+    -o-background-size: 24px 24px;
+    background-size: 24px 24px;
+  }
+}
+
 
 /* ------------------
  * Main
diff --git a/var/Helper.php b/var/Helper.php
index f9073d6a..d1079bc5 100644
--- a/var/Helper.php
+++ b/var/Helper.php
@@ -21,6 +21,16 @@ class Helper
         return Typecho_Widget::widget('Widget_Options');
     }
 
+    /**
+     * 获取Widget_Security对象
+     *
+     * @return Widget_Security
+     */
+    public static function security()
+    {
+        return Typecho_Widget::widget('Widget_Security');
+    }
+
     /**
      * 强行删除某个插件
      *
@@ -95,7 +105,7 @@ class Helper
      * @param string $widget 组件名称
      * @param string $action 组件动作
      * @param string $after 在某个路由后面
-     * @return void
+     * @return integer
      */
     public static function addRoute($name, $url, $widget, $action = NULL, $after = NULL)
     {
@@ -173,8 +183,8 @@ class Helper
      * 删除action扩展
      *
      * @access public
-     * @param unknown $actionName
-     * @return unknown
+     * @param string $actionName
+     * @return Typecho_Widget
      */
     public static function removeAction($actionName)
     {
@@ -245,7 +255,7 @@ class Helper
      * @param string $subTitle 面板副标题
      * @param string $level 进入权限
      * @param boolean $hidden 是否隐藏
-     * @param boolean $addLink 新增项目链接, 会显示在页面标题之后
+     * @param string $addLink 新增项目链接, 会显示在页面标题之后
      * @return integer
      */
     public static function addPanel($index, $fileName, $title, $subTitle, $level, $hidden = false, $addLink = '')
@@ -306,7 +316,8 @@ class Helper
      * 获取面板url
      *
      * @access public
-     * @return unknown
+     * @param string $fileName
+     * @return string
      */
     public static function url($fileName)
     {
@@ -319,7 +330,7 @@ class Helper
      * @access public
      * @static
      * @param mixed $pluginName 插件名称
-     * @param mixed array $settings 变量键值对
+     * @param array $settings 变量键值对
      * @param bool $isPersonal. (default: false) 是否为私人变量
      * @return void
      */
diff --git a/var/Typecho/Common.php b/var/Typecho/Common.php
index 76706401..3642f327 100644
--- a/var/Typecho/Common.php
+++ b/var/Typecho/Common.php
@@ -9,6 +9,8 @@
  * @version $Id$
  */
 
+define('__TYPECHO_MB_SUPPORTED__', function_exists('mb_get_info'));
+
 /**
  * Typecho公用方法
  *
@@ -20,7 +22,7 @@
 class Typecho_Common
 {
     /** 程序版本 */
-    const VERSION = '0.9/14.2.24';
+    const VERSION = '0.9/14.3.14';
 
     /**
      * 锁定的代码块
@@ -103,7 +105,7 @@ class Typecho_Common
      * @param mixed $matches 
      * @static
      * @access public
-     * @return void
+     * @return bool
      */
     public static function __filterAttrs($matches)
     {
@@ -242,20 +244,9 @@ class Typecho_Common
      */
     public static function exceptionHandle(Exception $exception)
     {
-        //$obHandles = ob_list_handlers();
-
         @ob_end_clean();
 
-        /*
-        if (in_array('ob_gzhandler', $obHandles)) {
-            ob_start('ob_gzhandler');
-        } else {
-            ob_start();
-        }
-        */
-
         if (defined('__TYPECHO_DEBUG__')) {
-            //@ob_clean();
             echo nl2br($exception->__toString());
         } else {
             if (404 == $exception->getCode() && !empty(self::$exceptionHandle)) {
@@ -279,6 +270,7 @@ class Typecho_Common
     public static function error($exception)
     {
         $isException = is_object($exception);
+        $message = '';
 
         if ($isException) {
             $code = $exception->getCode();
@@ -643,12 +635,12 @@ EOF;
     {
         //~ 针对location的xss过滤, 因为其特殊性无法使用removeXSS函数
         //~ fix issue 66
-        $params = parse_url(str_replace(array("\r", "\n"), '', $url));
+        $params = parse_url(str_replace(array("\r", "\n", "\t", ' '), '', $url));
 
         /** 禁止非法的协议跳转 */
         if (isset($params['scheme'])) {
             if (!in_array($params['scheme'], array('http', 'https'))) {
-                return;
+                return '/';
             }
         }
 
@@ -743,7 +735,7 @@ EOF;
         $iLength = self::strLen($str) - $start;
         $tLength = $length < $iLength ? ($length - self::strLen($trim)) : $length;
 
-        if (function_exists('mb_get_info')) {
+        if (__TYPECHO_MB_SUPPORTED__) {
             $str = mb_substr($str, $start, $tLength, self::$charset);
         } else {
             if ('UTF-8' == strtoupper(self::$charset)) {
@@ -767,7 +759,7 @@ EOF;
      */
     public static function strLen($str)
     {
-        if (function_exists('mb_get_info')) {
+        if (__TYPECHO_MB_SUPPORTED__) {
             return mb_strlen($str, self::$charset);
         } else {
             return 'UTF-8' == strtoupper(self::$charset) 
@@ -775,6 +767,26 @@ EOF;
         }
     }
 
+    /**
+     * 检查是否为合法的编码数据
+     *
+     * @param string|array $str
+     * @return boolean
+     */
+    public static function checkStrEncoding($str)
+    {
+        if (is_array($str)) {
+            return array_map(array('Typecho_Common', 'checkStrEncoding'), $str);
+        }
+
+        if (__TYPECHO_MB_SUPPORTED__) {
+            return mb_check_encoding($str, self::$charset);
+        } else {
+            // just support utf-8
+            return preg_match('//u', $str);
+        }
+    }
+
     /**
      * 生成缩略名
      *
@@ -792,7 +804,7 @@ EOF;
             return $default;
         }
         
-        if (function_exists('mb_regex_encoding')) {
+        if (__TYPECHO_MB_SUPPORTED__) {
             mb_regex_encoding(self::$charset);
             mb_ereg_search_init($str, "[\w" . preg_quote('_-') . "]+");
             $result = mb_ereg_search();
@@ -892,7 +904,7 @@ EOF;
      *
      * @access public
      * @param integer $length 字符串长度
-     * @param string $specialChars 是否有特殊字符
+     * @param boolean $specialChars 是否有特殊字符
      * @return string
      */
     public static function randString($length, $specialChars = false)
@@ -955,9 +967,9 @@ EOF;
     {
         if ('$T$' == substr($to, 0, 3)) {
             $salt = substr($to, 3, 9);
-            return self::hash($from, $salt) == $to;
+            return self::hash($from, $salt) === $to;
         } else {
-            return md5($from) == $to;
+            return md5($from) === $to;
         }
     }
 
diff --git a/var/Typecho/Cookie.php b/var/Typecho/Cookie.php
index d6284120..78aaf849 100644
--- a/var/Typecho/Cookie.php
+++ b/var/Typecho/Cookie.php
@@ -54,7 +54,7 @@ class Typecho_Cookie
      * 获取前缀 
      * 
      * @access public
-     * @return void
+     * @return string
      */
     public static function getPrefix()
     {
@@ -73,7 +73,7 @@ class Typecho_Cookie
     {
         $key = self::$_prefix . $key;
         $value = isset($_COOKIE[$key]) ? $_COOKIE[$key] : (isset($_POST[$key]) ? $_POST[$key] : $default);
-        return $value;
+        return is_array($value) ? $default : $value;
     }
 
     /**
@@ -88,16 +88,7 @@ class Typecho_Cookie
     public static function set($key, $value, $expire = 0)
     {
         $key = self::$_prefix . $key;
-
-        /** 对数组型COOKIE的写入支持 */
-        if (is_array($value)) {
-            foreach ($value as $name => $val) {
-                setrawcookie("{$key}[{$name}]", rawurlencode($val), $expire, self::$_path);
-            }
-        } else {
-            setrawcookie($key, rawurlencode($value), $expire, self::$_path);
-        }
-        
+        setrawcookie($key, rawurlencode($value), $expire, self::$_path);
         $_COOKIE[$key] = $value;
     }
 
@@ -115,15 +106,7 @@ class Typecho_Cookie
             return;
         }
 
-        /** 对数组型COOKIE的删除支持 */
-        if (is_array($_COOKIE[$key])) {
-            foreach ($_COOKIE[$key] as $name => $val) {
-                setcookie("{$key}[{$name}]", '', time() - 2592000, self::$_path);
-            }
-        } else {
-            setcookie($key, '', time() - 2592000, self::$_path);
-        }
-
+        setcookie($key, '', time() - 2592000, self::$_path);
         unset($_COOKIE[$key]);
     }
 }
diff --git a/var/Typecho/I18n/GetText.php b/var/Typecho/I18n/GetText.php
index 36aa5498..2b45503a 100644
--- a/var/Typecho/I18n/GetText.php
+++ b/var/Typecho/I18n/GetText.php
@@ -162,7 +162,7 @@ class Typecho_I18n_GetText
         $this->table_translations = $this->readintarray($this->total * 2);
 
         if ($this->enable_cache) {
-            $this->cache_translations = array ();
+            $this->cache_translations = array ('' => NULL);
             /* read all strings in the cache */
             for ($i = 0; $i < $this->total; $i++) {
                 if ($this->table_originals[$i * 2 + 1] > 0) {
@@ -303,7 +303,7 @@ class Typecho_I18n_GetText
             } else {
                 $header = $this->get_translation_string(0);
             }
-            if (eregi("plural-forms: ([^\n]*)\n", $header, $regs))
+            if (preg_match("/plural\-forms: ([^\n]*)\n/i", $header, $regs))
                 $expr = $regs[1];
             else
                 $expr = "nplurals=2; plural=n == 1 ? 0 : 1;";
diff --git a/var/Typecho/Request.php b/var/Typecho/Request.php
index 0d702489..ecd66743 100644
--- a/var/Typecho/Request.php
+++ b/var/Typecho/Request.php
@@ -7,10 +7,11 @@
  * @version    $Id$
  */
 
+define('__TYPECHO_FILTER_SUPPORTED__', function_exists('filter_var'));
+
 /**
  * 服务器请求处理类
  *
- * TODO getSiteUrl
  * @package Request
  */
 class Typecho_Request
@@ -95,6 +96,13 @@ class Typecho_Request
      */
     private static $_instance = NULL;
 
+    /**
+     * 全部的http数据
+     *
+     * @var bool|array
+     */
+    private static $_httpParams = false;
+
     /**
      * 当前过滤器
      *
@@ -146,9 +154,10 @@ class Typecho_Request
                 $value = is_array($value) ? array_map($filter, $value) :
                 call_user_func($filter, $value);
             }
+
+            $this->_filter = array();
         }
 
-        $this->_filter = array();
         return $value;
     }
 
@@ -160,9 +169,9 @@ class Typecho_Request
      */
     private function _checkIp($ip)
     {
-        if (function_exists('filter_var')) {
-            return filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)
-                || filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6);
+        if (__TYPECHO_FILTER_SUPPORTED__) {
+            return false !== (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)
+                || filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6));
         }
 
         return preg_match("/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/", $ip)
@@ -180,6 +189,17 @@ class Typecho_Request
         return preg_match("/^[_a-z0-9- ,:;=#@\.\(\)\/\+\*\?]+$/i", $agent);
     }
 
+    /**
+     * 初始化变量
+     */
+    public function __construct()
+    {
+        if (false === self::$_httpParams) {
+            self::$_httpParams = array_filter(array_merge($_POST, $_GET),
+                array('Typecho_Common', 'checkStrEncoding'));
+        }
+    }
+
     /**
      * 设置过滤器
      *
@@ -219,9 +239,8 @@ class Typecho_Request
      */
     public function __isset($key)
     {
-        return isset($_GET[$key])
-        || isset($_POST[$key])
-        || $this->isSetParam($key);
+        return isset(self::$_httpParams[$key])
+        || isset($this->_params[$key]);
     }
 
     /**
@@ -238,19 +257,31 @@ class Typecho_Request
             case isset($this->_params[$key]):
                 $value = $this->_params[$key];
                 break;
-            case isset($_GET[$key]):
-                $value = $_GET[$key];
-                break;
-            case isset($_POST[$key]):
-                $value = $_POST[$key];
+            case isset(self::$_httpParams[$key]):
+                $value = self::$_httpParams[$key];
                 break;
             default:
                 $value = $default;
                 break;
         }
 
-        $value = is_array($value) || strlen($value) > 0 ? $value : $default;
-        return $this->_filter ? $this->_applyFilter($value) : $value;
+        $value = !is_array($value) && strlen($value) > 0 ? $value : $default;
+        return $this->_applyFilter($value);
+    }
+
+    /**
+     * 获取一个数组
+     *
+     * @param $key
+     * @return array
+     */
+    public function getArray($key)
+    {
+        $result = isset(self::$_httpParams[$key]) ? self::$_httpParams[$key] : array();
+
+        $result = is_array($result) ? $result
+            : (strlen($result) > 0 ? array($result) : array());
+        return $this->_applyFilter($result);
     }
 
     /**
@@ -272,21 +303,6 @@ class Typecho_Request
         return $result;
     }
 
-    /**
-     * 获取指定的http传递参数
-     *
-     * @access public
-     * @param string $key 指定的参数
-     * @param mixed $default 默认的参数
-     * @return mixed
-     */
-    public function getParam($key, $default = NULL)
-    {
-        $value = isset($this->_params[$key]) ? $this->_params[$key] : $default;
-        $value = is_array($value) || strlen($value) > 0 ? $value : $default;
-        return $this->_filter ? $this->_applyFilter($value) : $value;
-    }
-
     /**
      * 设置http传递参数
      *
@@ -297,31 +313,9 @@ class Typecho_Request
      */
     public function setParam($name, $value)
     {
-        $this->_params[$name] = $value;
-    }
-
-    /**
-     * 删除参数
-     *
-     * @access public
-     * @param string $name 指定的参数
-     * @return void
-     */
-    public function unSetParam($name)
-    {
-        unset($this->_params[$name]);
-    }
-
-    /**
-     * 参数是否存在
-     *
-     * @access public
-     * @param string $key 指定的参数
-     * @return boolean
-     */
-    public function isSetParam($key)
-    {
-        return isset($this->_params[$key]);
+        if (Typecho_Common::checkStrEncoding($value)) {
+            $this->_params[$name] = $value;
+        }
     }
 
     /**
@@ -339,7 +333,8 @@ class Typecho_Request
             $params = $out;
         }
 
-        $this->_params = array_merge($this->_params, $params);
+        $this->_params = array_merge($this->_params,
+            array_filter($params, array('Typecho_Common', 'checkStrEncoding')));
     }
 
     /**
diff --git a/var/Typecho/Response.php b/var/Typecho/Response.php
index 540f9391..d84ec613 100644
--- a/var/Typecho/Response.php
+++ b/var/Typecho/Response.php
@@ -142,7 +142,7 @@ class Typecho_Response
      * 获取字符集
      *
      * @access public
-     * @return void
+     * @return string
      */
     public function getCharset()
     {
@@ -258,9 +258,8 @@ class Typecho_Response
      * 返回来路
      *
      * @access public
-     * @param string $anchor 附加地址
+     * @param string $suffix 附加地址
      * @param string $default 默认来路
-     * @return void
      */
     public function goBack($suffix = NULL, $default = NULL)
     {
diff --git a/var/Typecho/Validate.php b/var/Typecho/Validate.php
index 8bf2dc02..e8620ffe 100644
--- a/var/Typecho/Validate.php
+++ b/var/Typecho/Validate.php
@@ -144,7 +144,7 @@ class Typecho_Validate
      * @param integer $length 最小长度
      * @return boolean
      */
-    public function minLength($str, $length)
+    public static function minLength($str, $length)
     {
         return (Typecho_Common::strLen($str) >= $length);
     }
@@ -182,7 +182,7 @@ class Typecho_Validate
      * @param array $params 枚举值
      * @return unknown
      */
-    public function enum($str, array $params)
+    public static function enum($str, array $params)
     {
         $keys = array_flip($params);
         return isset($keys[$str]);
@@ -191,11 +191,11 @@ class Typecho_Validate
     /**
      * Max Length
      *
-     * @access public
-     * @param string
-     * @return boolean
+     * @param $str
+     * @param $length
+     * @return bool
      */
-    public function maxLength($str, $length)
+    public static function maxLength($str, $length)
     {
         return (Typecho_Common::strLen($str) < $length);
     }
@@ -207,9 +207,9 @@ class Typecho_Validate
      * @param string
      * @return boolean
      */
-    public function email($str)
+    public static function email($str)
     {
-        return preg_match("/^[^@\s<&>]+@([-a-z0-9]+\.)+[a-z]{2,}$/i", $str);
+        return preg_match("/^[_a-z0-9-\.]+@([-a-z0-9]+\.)+[a-z]{2,}$/i", $str);
     }
 
     /**
@@ -219,7 +219,7 @@ class Typecho_Validate
      * @param string $str
      * @return boolean
      */
-    public function url($str)
+    public static function url($str)
     {
         $parts = @parse_url($str);
         if (!$parts) {
@@ -238,7 +238,7 @@ class Typecho_Validate
      * @param string
      * @return boolean
      */
-    public function alpha($str)
+    public static function alpha($str)
     {
         return preg_match("/^([a-z])+$/i", $str) ? true : false;
     }
@@ -250,7 +250,7 @@ class Typecho_Validate
      * @param string
      * @return boolean
      */
-    public function alphaNumeric($str)
+    public static function alphaNumeric($str)
     {
         return preg_match("/^([a-z0-9])+$/i", $str);
     }
@@ -262,7 +262,7 @@ class Typecho_Validate
      * @param string
      * @return boolean
      */
-    public function alphaDash($str)
+    public static function alphaDash($str)
     {
         return preg_match("/^([_a-z0-9-])+$/i", $str) ? true : false;
     }
@@ -274,7 +274,7 @@ class Typecho_Validate
      * @param string $str
      * @return boolean
      */
-    public function xssCheck($str)
+    public static function xssCheck($str)
     {
         $search = 'abcdefghijklmnopqrstuvwxyz';
         $search .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
@@ -291,7 +291,7 @@ class Typecho_Validate
             $str = preg_replace('/(&#0{0,8}'.ord($search[$i]).';?)/', $search[$i], $str); // with a ;
         }
 
-        return !preg_match('/(\(|\)|\\\|"|<|>|[\x00-\x08]|[\x0b-\x0c]|[\x0e-\x19])/', $str);
+        return !preg_match('/(\(|\)|\\\|"|<|>|[\x00-\x08]|[\x0b-\x0c]|[\x0e-\x19]|' . "\r|\n|\t" . ')/', $str);
     }
 
     /**
@@ -301,9 +301,9 @@ class Typecho_Validate
      * @param integer
      * @return boolean
      */
-    public function isFloat($str)
+    public static function isFloat($str)
     {
-        return ereg("^[0-9\.]+$", $str);
+        return preg_match("/^[0-9\.]+$/", $str);
     }
 
     /**
@@ -313,7 +313,7 @@ class Typecho_Validate
      * @param string
      * @return boolean
      */
-    public function isInteger($str)
+    public static function isInteger($str)
     {
         return is_numeric($str);
     }
diff --git a/var/Typecho/Widget/Helper/Form/Element/Hidden.php b/var/Typecho/Widget/Helper/Form/Element/Hidden.php
index 382d0bb1..c3c92149 100644
--- a/var/Typecho/Widget/Helper/Form/Element/Hidden.php
+++ b/var/Typecho/Widget/Helper/Form/Element/Hidden.php
@@ -57,6 +57,6 @@ class Typecho_Widget_Helper_Form_Element_Hidden extends Typecho_Widget_Helper_Fo
      */
     protected function _value($value)
     {
-        $this->input->setAttribute('value', $value);
+        $this->input->setAttribute('value', htmlspecialchars($value));
     }
 }
diff --git a/var/Typecho/Widget/Helper/Form/Element/Password.php b/var/Typecho/Widget/Helper/Form/Element/Password.php
index 21481b78..347a540e 100644
--- a/var/Typecho/Widget/Helper/Form/Element/Password.php
+++ b/var/Typecho/Widget/Helper/Form/Element/Password.php
@@ -47,6 +47,6 @@ class Typecho_Widget_Helper_Form_Element_Password extends Typecho_Widget_Helper_
      */
     protected function _value($value)
     {
-        $this->input->setAttribute('value', $value);
+        $this->input->setAttribute('value', htmlspecialchars($value));
     }
 }
diff --git a/var/Typecho/Widget/Helper/Form/Element/Text.php b/var/Typecho/Widget/Helper/Form/Element/Text.php
index 390d3efc..78d1939c 100644
--- a/var/Typecho/Widget/Helper/Form/Element/Text.php
+++ b/var/Typecho/Widget/Helper/Form/Element/Text.php
@@ -48,6 +48,6 @@ class Typecho_Widget_Helper_Form_Element_Text extends Typecho_Widget_Helper_Form
      */
     protected function _value($value)
     {
-        $this->input->setAttribute('value', $value);
+        $this->input->setAttribute('value', htmlspecialchars($value));
     }
 }
diff --git a/var/Typecho/Widget/Helper/Form/Element/Textarea.php b/var/Typecho/Widget/Helper/Form/Element/Textarea.php
index b984bdc1..ec5adacd 100644
--- a/var/Typecho/Widget/Helper/Form/Element/Textarea.php
+++ b/var/Typecho/Widget/Helper/Form/Element/Textarea.php
@@ -47,6 +47,6 @@ class Typecho_Widget_Helper_Form_Element_Textarea extends Typecho_Widget_Helper_
      */
     protected function _value($value)
     {
-        $this->input->html($value);
+        $this->input->html(htmlspecialchars($value));
     }
 }
diff --git a/var/Upgrade.php b/var/Upgrade.php
index a09dc4e2..aea5d788 100644
--- a/var/Upgrade.php
+++ b/var/Upgrade.php
@@ -1161,5 +1161,19 @@ Typecho_Date::setTimezoneOffset($options->timezone);
                 break;
         }
     }
-}
 
+
+    /**
+     * v0_9r14_3_14
+     *
+     * @param mixed $db
+     * @param mixed $options
+     * @access public
+     * @return void
+     */
+    public function v0_9r14_3_14($db, $options)
+    {
+        $db->query($db->insert('table.options')
+            ->rows(array('name' => 'secret', 'user' => 0, 'value' => Typecho_Common::randString(32, true))));
+    }
+}
diff --git a/var/Widget/Abstract/Contents.php b/var/Widget/Abstract/Contents.php
index cd962dbb..6a377725 100644
--- a/var/Widget/Abstract/Contents.php
+++ b/var/Widget/Abstract/Contents.php
@@ -734,7 +734,7 @@ class Widget_Abstract_Contents extends Widget_Abstract
         
         /** 处理密码保护流程 */
         if (!empty($value['password']) &&
-        $value['password'] != $this->request->protectPassword &&
+        $value['password'] !== Typecho_Cookie::get('protectPassword') &&
         $value['authorId'] != $this->user->uid && 
         !$this->user->pass('editor', true)) {
             $value['hidden'] = true;
@@ -749,7 +749,8 @@ class Widget_Abstract_Contents extends Widget_Abstract
 
         /** 如果访问权限被禁止 */
         if ($value['hidden']) {
-            $value['text'] = '<form class="protected" action="' . $value['permalink'] . '" method="post">' .
+            $value['text'] = '<form class="protected" action="' . $this->security->getTokenUrl($value['permalink'])
+                . '" method="post">' .
             '<p class="word">' . _t('请输入密码访问') . '</p>' .
             '<p><input type="password" class="text" name="protectPassword" />
             <input type="submit" class="submit" value="' . _t('提交') . '" /></p>' .
diff --git a/var/Widget/Archive.php b/var/Widget/Archive.php
index 0de43aae..8f85be79 100644
--- a/var/Widget/Archive.php
+++ b/var/Widget/Archive.php
@@ -292,7 +292,7 @@ class Widget_Archive extends Widget_Abstract_Contents
      * 评论地址
      * 
      * @access protected
-     * @return void
+     * @return string
      */
     protected function ___commentUrl()
     {
@@ -306,7 +306,7 @@ class Widget_Archive extends Widget_Abstract_Contents
             $commentUrl .= '?parent=' . $reply;
         }
         
-        return $commentUrl;
+        return $this->security->getTokenUrl($commentUrl);
     }
 
     /**
@@ -320,7 +320,7 @@ class Widget_Archive extends Widget_Abstract_Contents
     }
 
     /**
-     * @param $_archiveSlug the $_archiveSlug to set
+     * @param string $archiveSlug the $_archiveSlug to set
      */
     public function setArchiveSlug($archiveSlug)
     {
@@ -328,7 +328,7 @@ class Widget_Archive extends Widget_Abstract_Contents
     }
 
     /**
-     * @param $_archiveSingle the $_archiveSingle to set
+     * @param string $archiveSingle the $_archiveSingle to set
      */
     public function setArchiveSingle($archiveSingle)
     {
@@ -795,6 +795,7 @@ class Widget_Archive extends Widget_Abstract_Contents
 
         /** 保存密码至cookie */
         if ($this->request->isPost() && isset($this->request->protectPassword)) {
+            $this->security->protect();
             Typecho_Cookie::set('protectPassword', $this->request->protectPassword, 0);
         }
 
@@ -1475,7 +1476,7 @@ class Widget_Archive extends Widget_Abstract_Contents
      * 获取回响归档对象 
      * 
      * @access public
-     * @return void
+     * @return Widget_Comments_Ping
      */
     public function pings()
     {
diff --git a/var/Widget/Comments/Edit.php b/var/Widget/Comments/Edit.php
index c98869c2..39eeedf4 100644
--- a/var/Widget/Comments/Edit.php
+++ b/var/Widget/Comments/Edit.php
@@ -60,18 +60,6 @@ class Widget_Comments_Edit extends Widget_Abstract_Comments implements Widget_In
         return false;
     }
 
-    /**
-     * 以数组形式获取coid
-     *
-     * @access private
-     * @return array
-     */
-    private function getCoidAsArray()
-    {
-        $coid = $this->request->filter('int')->coid;
-        return $coid ? (is_array($coid) ? $coid : array($coid)) : array();
-    }
-
     /**
      * 标记为待审核
      *
@@ -80,7 +68,7 @@ class Widget_Comments_Edit extends Widget_Abstract_Comments implements Widget_In
      */
     public function waitingComment()
     {
-        $comments = $this->getCoidAsArray();
+        $comments = $this->request->filter('int')->getArray('coid');
         $updateRows = 0;
 
         foreach ($comments as $comment) {
@@ -105,7 +93,7 @@ class Widget_Comments_Edit extends Widget_Abstract_Comments implements Widget_In
      */
     public function spamComment()
     {
-        $comments = $this->getCoidAsArray();
+        $comments = $this->request->filter('int')->getArray('coid');
         $updateRows = 0;
 
         foreach ($comments as $comment) {
@@ -130,7 +118,7 @@ class Widget_Comments_Edit extends Widget_Abstract_Comments implements Widget_In
      */
     public function approvedComment()
     {
-        $comments = $this->getCoidAsArray();
+        $comments = $this->request->filter('int')->getArray('coid');
         $updateRows = 0;
 
         foreach ($comments as $comment) {
@@ -155,7 +143,7 @@ class Widget_Comments_Edit extends Widget_Abstract_Comments implements Widget_In
      */
     public function deleteComment()
     {
-        $comments = $this->getCoidAsArray();
+        $comments = $this->request->filter('int')->getArray('coid');
         $deleteRows = 0;
 
         foreach ($comments as $coid) {
diff --git a/var/Widget/Contents/Attachment/Edit.php b/var/Widget/Contents/Attachment/Edit.php
index b4b706c5..c0019704 100644
--- a/var/Widget/Contents/Attachment/Edit.php
+++ b/var/Widget/Contents/Attachment/Edit.php
@@ -214,41 +214,34 @@ class Widget_Contents_Attachment_Edit extends Widget_Contents_Post_Edit implemen
      */
     public function deleteAttachment()
     {
-        $cid = $this->request->filter('int')->cid;
+        $posts = $this->request->filter('int')->getArray('cid');
         $deleteCount = 0;
-        $status = 'publish';
 
-        if ($cid) {
-            /** 格式化文章主键 */
-            $posts = is_array($cid) ? $cid : array($cid);
-            foreach ($posts as $post) {
-                // 删除插件接口
-                $this->pluginHandle()->delete($post, $this);
+        foreach ($posts as $post) {
+            // 删除插件接口
+            $this->pluginHandle()->delete($post, $this);
 
-                $condition = $this->db->sql()->where('cid = ?', $post);
-                $row = $this->db->fetchRow($this->select()
+            $condition = $this->db->sql()->where('cid = ?', $post);
+            $row = $this->db->fetchRow($this->select()
                 ->where('table.contents.type = ?', 'attachment')
                 ->where('table.contents.cid = ?', $post)
                 ->limit(1), array($this, 'push'));
 
-                if ($this->isWriteable($condition) && $this->delete($condition)) {
-                    /** 删除文件 */
-                    Widget_Upload::deleteHandle($row);
+            if ($this->isWriteable($condition) && $this->delete($condition)) {
+                /** 删除文件 */
+                Widget_Upload::deleteHandle($row);
 
-                    /** 删除评论 */
-                    $this->db->query($this->db->delete('table.comments')
+                /** 删除评论 */
+                $this->db->query($this->db->delete('table.comments')
                     ->where('cid = ?', $post));
 
-                    $status = $this->status;
+                // 完成删除插件接口
+                $this->pluginHandle()->finishDelete($post, $this);
 
-                    // 完成删除插件接口
-                    $this->pluginHandle()->finishDelete($post, $this);
-
-                    $deleteCount ++;
-                }
-
-                unset($condition);
+                $deleteCount ++;
             }
+
+            unset($condition);
         }
 
         if ($this->request->isAjax()) {
@@ -273,7 +266,8 @@ class Widget_Contents_Attachment_Edit extends Widget_Contents_Post_Edit implemen
     public function clearAttachment()
     {
         $page = 1;
-        
+        $deleteCount = 0;
+
         do {
             $posts = Typecho_Common::arrayFlatten($this->db->fetchAll($this->select('cid')
                 ->from('table.contents')
diff --git a/var/Widget/Contents/Page/Edit.php b/var/Widget/Contents/Page/Edit.php
index ba6f6588..9b03d2ae 100644
--- a/var/Widget/Contents/Page/Edit.php
+++ b/var/Widget/Contents/Page/Edit.php
@@ -133,51 +133,47 @@ class Widget_Contents_Page_Edit extends Widget_Contents_Post_Edit implements Wid
      */
     public function deletePage()
     {
-        $cid = $this->request->filter('int')->cid;
+        $pages = $this->request->filter('int')->getArray('cid');
         $deleteCount = 0;
 
-        if ($cid) {
-            /** 格式化页面主键 */
-            $pages = is_array($cid) ? $cid : array($cid);
-            foreach ($pages as $page) {
-                // 删除插件接口
-                $this->pluginHandle()->delete($page, $this);
+        foreach ($pages as $page) {
+            // 删除插件接口
+            $this->pluginHandle()->delete($page, $this);
 
-                if ($this->delete($this->db->sql()->where('cid = ?', $page))) {
-                    /** 删除评论 */
-                    $this->db->query($this->db->delete('table.comments')
+            if ($this->delete($this->db->sql()->where('cid = ?', $page))) {
+                /** 删除评论 */
+                $this->db->query($this->db->delete('table.comments')
                     ->where('cid = ?', $page));
 
-                    /** 解除附件关联 */
-                    $this->unAttach($page);
+                /** 解除附件关联 */
+                $this->unAttach($page);
 
-                    /** 解除首页关联 */
-                    if ($this->options->frontPage == 'page:' . $page) {
-                        $this->db->query($this->db->update('table.options')
+                /** 解除首页关联 */
+                if ($this->options->frontPage == 'page:' . $page) {
+                    $this->db->query($this->db->update('table.options')
                         ->rows(array('value' => 'recent'))
                         ->where('name = ?', 'frontPage'));
-                    }
+                }
 
-                    /** 删除草稿 */
-                    $draft = $this->db->fetchRow($this->db->select('cid')
+                /** 删除草稿 */
+                $draft = $this->db->fetchRow($this->db->select('cid')
                     ->from('table.contents')
                     ->where('table.contents.parent = ? AND table.contents.type = ?',
                         $page, 'page_draft')
                     ->limit(1));
 
-                    /** 删除自定义字段 */
-                    $this->deleteFields($page);
+                /** 删除自定义字段 */
+                $this->deleteFields($page);
 
-                    if ($draft) {
-                        $this->deleteDraft($draft['cid']);
-                        $this->deleteFields($draft['cid']);
-                    }
-
-                    // 完成删除插件接口
-                    $this->pluginHandle()->finishDelete($page, $this);
-
-                    $deleteCount ++;
+                if ($draft) {
+                    $this->deleteDraft($draft['cid']);
+                    $this->deleteFields($draft['cid']);
                 }
+
+                // 完成删除插件接口
+                $this->pluginHandle()->finishDelete($page, $this);
+
+                $deleteCount ++;
             }
         }
 
@@ -197,29 +193,24 @@ class Widget_Contents_Page_Edit extends Widget_Contents_Post_Edit implements Wid
      */
     public function deletePageDraft()
     {
-        $cid = $this->request->filter('int')->cid;
+        $pages = $this->request->filter('int')->getArray('cid');
         $deleteCount = 0;
-        
-        if ($cid) {
-            /** 格式化文章主键 */
-            $pages = is_array($cid) ? $cid : array($cid);
-            
-            foreach ($pages as $page) {
-                /** 删除草稿 */
-                $draft = $this->db->fetchRow($this->db->select('cid')
+
+        foreach ($pages as $page) {
+            /** 删除草稿 */
+            $draft = $this->db->fetchRow($this->db->select('cid')
                 ->from('table.contents')
                 ->where('table.contents.parent = ? AND table.contents.type = ?',
                     $page, 'page_draft')
                 ->limit(1));
 
-                if ($draft) {
-                    $this->deleteDraft($draft['cid']);
-                    $this->deleteFields($draft['cid']);
-                    $deleteCount ++;
-                }
+            if ($draft) {
+                $this->deleteDraft($draft['cid']);
+                $this->deleteFields($draft['cid']);
+                $deleteCount ++;
             }
         }
-        
+
         /** 设置提示信息 */
         $this->widget('Widget_Notice')->set($deleteCount > 0 ? _t('草稿已经被删除') : _t('没有草稿被删除'),
         $deleteCount > 0 ? 'success' : 'notice');
@@ -236,9 +227,9 @@ class Widget_Contents_Page_Edit extends Widget_Contents_Post_Edit implements Wid
      */
     public function sortPage()
     {
-        $pages = $this->request->filter('int')->cid;
+        $pages = $this->request->filter('int')->getArray('cid');
 
-        if ($pages && is_array($pages)) {
+        if ($pages) {
             foreach ($pages as $sort => $cid) {
                 $this->db->query($this->db->update('table.contents')->rows(array('order' => $sort + 1))
                 ->where('cid = ?', $cid));
diff --git a/var/Widget/Contents/Post/Edit.php b/var/Widget/Contents/Post/Edit.php
index 7d021264..861157a6 100644
--- a/var/Widget/Contents/Post/Edit.php
+++ b/var/Widget/Contents/Post/Edit.php
@@ -90,9 +90,14 @@ class Widget_Contents_Post_Edit extends Widget_Abstract_Contents implements Widg
     protected function getFields()
     {
         $fields = array();
+        $fieldNames = $this->request->getArray('fieldNames');
 
-        if (!empty($this->request->fieldNames)) {
-            $data = $this->request->from('fieldNames', 'fieldTypes', 'fieldValues');
+        if (!empty($fieldNames)) {
+            $data = array(
+                'fieldNames'    =>  $this->request->getArray('fieldNames'),
+                'fieldTypes'    =>  $this->request->getArray('fieldTypes'),
+                'fieldValues'   =>  $this->request->getArray('fieldValues')
+            );
             foreach ($data['fieldNames'] as $key => $val) {
                 if (empty($val)) {
                     continue;
@@ -585,6 +590,7 @@ class Widget_Contents_Post_Edit extends Widget_Abstract_Contents implements Widg
     {
         $tags = str_replace('，', ',', $tags);
         $tags = array_unique(array_map('trim', explode(',', $tags)));
+        $tags = array_filter($tags, array('Typecho_Validate', 'xssCheck'));
 
         /** 取出已有tag */
         $existTags = Typecho_Common::arrayFlatten($this->db->fetchAll(
@@ -597,6 +603,10 @@ class Widget_Contents_Post_Edit extends Widget_Abstract_Contents implements Widg
         /** 删除已有tag */
         if ($existTags) {
             foreach ($existTags as $tag) {
+                if (0 == strlen($tag)) {
+                    continue;
+                }
+
                 $this->db->query($this->db->delete('table.relationships')
                 ->where('cid = ?', $cid)
                 ->where('mid = ?', $tag));
@@ -615,6 +625,10 @@ class Widget_Contents_Post_Edit extends Widget_Abstract_Contents implements Widg
         /** 插入tag */
         if ($insertTags) {
             foreach ($insertTags as $tag) {
+                if (0 == strlen($tag)) {
+                    continue;
+                }
+
                 $this->db->query($this->db->insert('table.relationships')
                 ->rows(array(
                     'mid'  =>   $tag,
@@ -701,8 +715,9 @@ class Widget_Contents_Post_Edit extends Widget_Abstract_Contents implements Widg
     public function writePost()
     {
         $contents = $this->request->from('password', 'allowComment',
-            'allowPing', 'allowFeed', 'slug', 'category', 'tags', 'text', 'visibility');
+            'allowPing', 'allowFeed', 'slug', 'tags', 'text', 'visibility');
 
+        $contents['category'] = $this->request->getArray('category');
         $contents['title'] = $this->request->get('title', _t('未命名文档'));
         $contents['created'] = $this->getCreated();
 
@@ -770,67 +785,63 @@ class Widget_Contents_Post_Edit extends Widget_Abstract_Contents implements Widg
      */
     public function deletePost()
     {
-        $cid = $this->request->filter('int')->cid;
+        $posts = $this->request->filter('int')->getArray('cid');
         $deleteCount = 0;
 
-        if ($cid) {
-            /** 格式化文章主键 */
-            $posts = is_array($cid) ? $cid : array($cid);
-            foreach ($posts as $post) {
-                // 删除插件接口
-                $this->pluginHandle()->delete($post, $this);
+        foreach ($posts as $post) {
+            // 删除插件接口
+            $this->pluginHandle()->delete($post, $this);
 
-                $condition = $this->db->sql()->where('cid = ?', $post);
-                $postObject = $this->db->fetchObject($this->db->select('status', 'type')
-                    ->from('table.contents')->where('cid = ? AND type = ?', $post, 'post'));
+            $condition = $this->db->sql()->where('cid = ?', $post);
+            $postObject = $this->db->fetchObject($this->db->select('status', 'type')
+                ->from('table.contents')->where('cid = ? AND type = ?', $post, 'post'));
 
-                if ($this->isWriteable($condition) &&
+            if ($this->isWriteable($condition) &&
                 $postObject &&
                 $this->delete($condition)) {
 
-                    /** 删除分类 */
-                    $this->setCategories($post, array(), 'publish' == $postObject->status
-                        && 'post' == $postObject->type);
+                /** 删除分类 */
+                $this->setCategories($post, array(), 'publish' == $postObject->status
+                    && 'post' == $postObject->type);
 
-                    /** 删除标签 */
-                    $this->setTags($post, NULL, 'publish' == $postObject->status
-                        && 'post' == $postObject->type);
+                /** 删除标签 */
+                $this->setTags($post, NULL, 'publish' == $postObject->status
+                    && 'post' == $postObject->type);
 
-                    /** 删除评论 */
-                    $this->db->query($this->db->delete('table.comments')
+                /** 删除评论 */
+                $this->db->query($this->db->delete('table.comments')
                     ->where('cid = ?', $post));
 
-                    /** 解除附件关联 */
-                    $this->unAttach($post);
+                /** 解除附件关联 */
+                $this->unAttach($post);
 
-                    /** 删除草稿 */
-                    $draft = $this->db->fetchRow($this->db->select('cid')
+                /** 删除草稿 */
+                $draft = $this->db->fetchRow($this->db->select('cid')
                     ->from('table.contents')
                     ->where('table.contents.parent = ? AND table.contents.type = ?',
                         $post, 'post_draft')
                     ->limit(1));
 
-                    /** 删除自定义字段 */
-                    $this->deleteFields($post);
+                /** 删除自定义字段 */
+                $this->deleteFields($post);
 
-                    if ($draft) {
-                        $this->deleteDraft($draft['cid']);
-                        $this->deleteFields($draft['cid']);
-                    }
-
-                    // 完成删除插件接口
-                    $this->pluginHandle()->finishDelete($post, $this);
-
-                    $deleteCount ++;
+                if ($draft) {
+                    $this->deleteDraft($draft['cid']);
+                    $this->deleteFields($draft['cid']);
                 }
 
-                unset($condition);
+                // 完成删除插件接口
+                $this->pluginHandle()->finishDelete($post, $this);
+
+                $deleteCount ++;
             }
 
-            // 清理标签
-            if ($deleteCount > 0) {
-                $this->widget('Widget_Abstract_Metas')->clearTags();
-            }
+            unset($condition);
+        }
+
+        // 清理标签
+        if ($deleteCount > 0) {
+            $this->widget('Widget_Abstract_Metas')->clearTags();
         }
 
         /** 设置提示信息 */
@@ -849,29 +860,24 @@ class Widget_Contents_Post_Edit extends Widget_Abstract_Contents implements Widg
      */
     public function deletePostDraft()
     {
-        $cid = $this->request->filter('int')->cid;
+        $posts = $this->request->filter('int')->getArray('cid');
         $deleteCount = 0;
-        
-        if ($cid) {
-            /** 格式化文章主键 */
-            $posts = is_array($cid) ? $cid : array($cid);
-            
-            foreach ($posts as $post) {
-                /** 删除草稿 */
-                $draft = $this->db->fetchRow($this->db->select('cid')
+
+        foreach ($posts as $post) {
+            /** 删除草稿 */
+            $draft = $this->db->fetchRow($this->db->select('cid')
                 ->from('table.contents')
                 ->where('table.contents.parent = ? AND table.contents.type = ?',
                     $post, 'post_draft')
                 ->limit(1));
 
-                if ($draft) {
-                    $this->deleteDraft($draft['cid']);
-                    $this->deleteFields($draft['cid']);
-                    $deleteCount ++;
-                }
+            if ($draft) {
+                $this->deleteDraft($draft['cid']);
+                $this->deleteFields($draft['cid']);
+                $deleteCount ++;
             }
         }
-        
+
         /** 设置提示信息 */
         $this->widget('Widget_Notice')->set($deleteCount > 0 ? _t('草稿已经被删除') : _t('没有草稿被删除'),
         $deleteCount > 0 ? 'success' : 'notice');
diff --git a/var/Widget/Feedback.php b/var/Widget/Feedback.php
index 0489ef7c..a0c2c9b6 100644
--- a/var/Widget/Feedback.php
+++ b/var/Widget/Feedback.php
@@ -37,6 +37,9 @@ class Widget_Feedback extends Widget_Abstract_Comments implements Widget_Interfa
      */
     private function comment()
     {
+        // 使用安全模块保护
+        $this->security->protect();
+
         $comment = array(
             'cid'       =>  $this->_content->cid,
             'created'   =>  $this->options->gmtTime,
diff --git a/var/Widget/Login.php b/var/Widget/Login.php
index d3de316c..597a559b 100644
--- a/var/Widget/Login.php
+++ b/var/Widget/Login.php
@@ -28,6 +28,9 @@ class Widget_Login extends Widget_Abstract_Users implements Widget_Interface_Do
      */
     public function action()
     {
+        // protect
+        $this->security->protect();
+
         /** 如果已经登录 */
         if ($this->user->hasLogin()) {
             /** 直接返回 */
@@ -73,7 +76,7 @@ class Widget_Login extends Widget_Abstract_Users implements Widget_Interface_Do
             $this->response->redirect($this->request->referer);
         } else if (!$this->user->pass('contributor', true)) {
             /** 不允许普通用户直接跳转后台 */
-            $this->response->redirect($this->options->siteUrl);
+            $this->response->redirect($this->options->profileUrl);
         } else {
             $this->response->redirect($this->options->adminUrl);
         }
diff --git a/var/Widget/Metas/Category/Edit.php b/var/Widget/Metas/Category/Edit.php
index a63fa6f4..6ff55b3c 100644
--- a/var/Widget/Metas/Category/Edit.php
+++ b/var/Widget/Metas/Category/Edit.php
@@ -305,18 +305,16 @@ class Widget_Metas_Category_Edit extends Widget_Abstract_Metas implements Widget
      */
     public function deleteCategory()
     {
-        $categories = $this->request->filter('int')->mid;
+        $categories = $this->request->filter('int')->getArray('mid');
         $deleteCount = 0;
 
-        if ($categories && is_array($categories)) {
-            foreach ($categories as $category) {
-                $parent = $this->db->fetchObject($this->select()->where('mid = ?', $category))->parent;
+        foreach ($categories as $category) {
+            $parent = $this->db->fetchObject($this->select()->where('mid = ?', $category))->parent;
 
-                if ($this->delete($this->db->sql()->where('mid = ?', $category))) {
-                    $this->db->query($this->db->delete('table.relationships')->where('mid = ?', $category));
-                    $this->update(array('parent' => $parent), $this->db->sql()->where('parent = ?', $category));
-                    $deleteCount ++;
-                }
+            if ($this->delete($this->db->sql()->where('mid = ?', $category))) {
+                $this->db->query($this->db->delete('table.relationships')->where('mid = ?', $category));
+                $this->update(array('parent' => $parent), $this->db->sql()->where('parent = ?', $category));
+                $deleteCount ++;
             }
         }
 
@@ -347,9 +345,9 @@ class Widget_Metas_Category_Edit extends Widget_Abstract_Metas implements Widget
         }
 
         $merge = $this->request->merge;
-        $categories = $this->request->filter('int')->mid;
+        $categories = $this->request->filter('int')->getArray('mid');
 
-        if ($categories && is_array($categories)) {
+        if ($categories) {
             $this->merge($merge, 'category', $categories);
 
             /** 提示信息 */
@@ -370,8 +368,8 @@ class Widget_Metas_Category_Edit extends Widget_Abstract_Metas implements Widget
      */
     public function sortCategory()
     {
-        $categories = $this->request->filter('int')->mid;
-        if ($categories && is_array($categories)) {
+        $categories = $this->request->filter('int')->getArray('mid');
+        if ($categories) {
             $this->sort($categories, 'category');
         }
 
@@ -391,8 +389,8 @@ class Widget_Metas_Category_Edit extends Widget_Abstract_Metas implements Widget
      */
     public function refreshCategory()
     {
-        $categories = $this->request->filter('int')->mid;
-        if ($categories && is_array($categories)) {
+        $categories = $this->request->filter('int')->getArray('mid');
+        if ($categories) {
             foreach ($categories as $category) {
                 $this->refreshCountByTypeAndStatus($category, 'post', 'publish');
             }
@@ -445,8 +443,8 @@ class Widget_Metas_Category_Edit extends Widget_Abstract_Metas implements Widget
     /**
      * 获取菜单标题
      *
-     * @access public
      * @return string
+     * @throws Typecho_Widget_Exception
      */
     public function getMenuTitle()
     {
diff --git a/var/Widget/Metas/Tag/Edit.php b/var/Widget/Metas/Tag/Edit.php
index d8beb1d5..ec0f9081 100644
--- a/var/Widget/Metas/Tag/Edit.php
+++ b/var/Widget/Metas/Tag/Edit.php
@@ -267,7 +267,7 @@ class Widget_Metas_Tag_Edit extends Widget_Abstract_Metas implements Widget_Inte
      */
     public function deleteTag()
     {
-        $tags = $this->request->filter('int')->mid;
+        $tags = $this->request->filter('int')->getArray('mid');
         $deleteCount = 0;
 
         if ($tags && is_array($tags)) {
@@ -306,9 +306,9 @@ class Widget_Metas_Tag_Edit extends Widget_Abstract_Metas implements Widget_Inte
             $this->response->goBack();
         }
 
-        $tags = $this->request->filter('int')->mid;
+        $tags = $this->request->filter('int')->getArray('mid');
 
-        if ($tags && is_array($tags)) {
+        if ($tags) {
             $this->merge($merge, 'tag', $tags);
 
             /** 提示信息 */
@@ -329,8 +329,8 @@ class Widget_Metas_Tag_Edit extends Widget_Abstract_Metas implements Widget_Inte
      */
     public function refreshTag()
     {
-        $tags = $this->request->filter('int')->mid;
-        if ($tags && is_array($tags)) {
+        $tags = $this->request->filter('int')->getArray('mid');
+        if ($tags) {
             foreach ($tags as $tag) {
                 $this->refreshCountByTypeAndStatus($tag, 'post', 'publish');
             } 
diff --git a/var/Widget/Options.php b/var/Widget/Options.php
index a893f019..c569447a 100644
--- a/var/Widget/Options.php
+++ b/var/Widget/Options.php
@@ -201,8 +201,9 @@ class Widget_Options extends Typecho_Widget
      */
     protected function ___loginAction()
     {
-        return Typecho_Router::url('do', array('action' => 'login', 'widget' => 'Login'),
-        Typecho_Common::url('index.php', $this->rootUrl));
+        return $this->widget('Widget_Security')->getTokenUrl(
+            Typecho_Router::url('do', array('action' => 'login', 'widget' => 'Login'),
+            Typecho_Common::url('index.php', $this->rootUrl)));
     }
 
     /**
@@ -224,7 +225,8 @@ class Widget_Options extends Typecho_Widget
      */
     protected function ___registerAction()
     {
-        return Typecho_Router::url('do', array('action' => 'register', 'widget' => 'Register'), $this->index);
+        return $this->widget('Widget_Security')->getTokenUrl(
+            Typecho_Router::url('do', array('action' => 'register', 'widget' => 'Register'), $this->index));
     }
 
     /**
diff --git a/var/Widget/Options/Discussion.php b/var/Widget/Options/Discussion.php
index 74bdfacc..ca330a34 100644
--- a/var/Widget/Options/Discussion.php
+++ b/var/Widget/Options/Discussion.php
@@ -183,9 +183,11 @@ class Widget_Options_Discussion extends Widget_Abstract_Options implements Widge
             $this->response->goBack();
         }
 
-        $settings = $this->request->from('commentDateFormat', 'commentsListSize', 'commentsShow', 'commentsPost', 'commentsPageSize', 'commentsPageDisplay', 'commentsAvatar',
+        $settings = $this->request->from('commentDateFormat', 'commentsListSize', 'commentsPageSize', 'commentsPageDisplay', 'commentsAvatar',
                 'commentsOrder', 'commentsMaxNestingLevels', 'commentsUrlNofollow', 'commentsPostTimeout', 'commentsUniqueIpInterval', 'commentsWhitelist', 'commentsRequireMail', 'commentsAvatarRating',
                 'commentsPostTimeout', 'commentsPostInterval', 'commentsRequireModeration', 'commentsRequireURL', 'commentsHTMLTagAllowed', 'commentsStopWords', 'commentsIpBlackList');
+        $settings['commentsShow'] = $this->request->getArray('commentsShow');
+        $settings['commentsPost'] = $this->request->getArray('commentsPost');
 
         $settings['commentsShowCommentOnly'] = $this->isEnableByCheckbox($settings['commentsShow'], 'commentsShowCommentOnly');
         $settings['commentsMarkdown'] = $this->isEnableByCheckbox($settings['commentsShow'], 'commentsMarkdown');
diff --git a/var/Widget/Options/General.php b/var/Widget/Options/General.php
index f8e89269..c3c777dc 100644
--- a/var/Widget/Options/General.php
+++ b/var/Widget/Options/General.php
@@ -36,7 +36,8 @@ class Widget_Options_General extends Widget_Abstract_Options implements Widget_I
         /** 站点名称 */
         $title = new Typecho_Widget_Helper_Form_Element_Text('title', NULL, $this->options->title, _t('站点名称'), _t('站点的名称将显示在网页的标题处.'));
         $title->input->setAttribute('class', 'w-100');
-        $form->addInput($title->addRule('required', _t('请填写站点名称')));
+        $form->addInput($title->addRule('required', _t('请填写站点名称'))
+            ->addRule('xssCheck', _t('请不要在站点名称中使用特殊字符')));
 
         /** 站点地址 */
         $siteUrl = new Typecho_Widget_Helper_Form_Element_Text('siteUrl', NULL, $this->options->originalSiteUrl, _t('站点地址'), _t('站点地址主要用于生成内容的永久链接.') 
@@ -49,11 +50,11 @@ class Widget_Options_General extends Widget_Abstract_Options implements Widget_I
 
         /** 站点描述 */
         $description = new Typecho_Widget_Helper_Form_Element_Text('description', NULL, $this->options->description, _t('站点描述'), _t('站点描述将显示在网页代码的头部.'));
-        $form->addInput($description);
+        $form->addInput($description->addRule('xssCheck', _t('请不要在站点描述中使用特殊字符')));
 
         /** 关键词 */
         $keywords = new Typecho_Widget_Helper_Form_Element_Text('keywords', NULL, $this->options->keywords, _t('关键词'), _t('请以半角逗号 "," 分割多个关键字.'));
-        $form->addInput($keywords);
+        $form->addInput($keywords->addRule('xssCheck', _t('请不要在关键词中使用特殊字符')));
 
         /** 注册 */
         $allowRegister = new Typecho_Widget_Helper_Form_Element_Radio('allowRegister', array('0' => _t('不允许'), '1' => _t('允许')), $this->options->allowRegister, _t('是否允许注册'),
@@ -135,6 +136,17 @@ class Widget_Options_General extends Widget_Abstract_Options implements Widget_I
         return $form;
     }
 
+    /**
+     * 过滤掉可执行的后缀名
+     *
+     * @param string $ext
+     * @return boolean
+     */
+    public function removeShell($ext)
+    {
+        return !preg_match("/^(php|php4|php5|sh|asp|jsp|rb|py|pl|dll|exe|bat)$/i", $ext);
+    }
+
     /**
      * 执行更新动作
      *
@@ -148,7 +160,8 @@ class Widget_Options_General extends Widget_Abstract_Options implements Widget_I
             $this->response->goBack();
         }
 
-        $settings = $this->request->from('title', 'siteUrl', 'description', 'keywords', 'allowRegister', 'timezone', 'attachmentTypes');
+        $settings = $this->request->from('title', 'siteUrl', 'description', 'keywords', 'allowRegister', 'timezone');
+        $settings['attachmentTypes'] = $this->request->getArray('attachmentTypes');
         $settings['siteUrl'] = rtrim($settings['siteUrl'], '/');
 
         $attachmentTypes = array();
@@ -164,9 +177,14 @@ class Widget_Options_General extends Widget_Abstract_Options implements Widget_I
             $attachmentTypes[] = '@doc@';
         }
         
-        $attachmentTypesOther = $this->request->filter('trim')->attachmentTypesOther;
+        $attachmentTypesOther = $this->request->filter('trim', 'strtolower')->attachmentTypesOther;
         if ($this->isEnableByCheckbox($settings['attachmentTypes'], '@other@') && !empty($attachmentTypesOther)) {
-            $attachmentTypes[] = implode(',', array_map('trim', explode(',', $attachmentTypesOther)));
+            $types = implode(',', array_filter(array_map('trim',
+                explode(',', $attachmentTypesOther)), array($this, 'removeShell')));
+
+            if (!empty($types)) {
+                $attachmentTypes[] = $types;
+            }
         }
         
         $settings['attachmentTypes'] = implode(',', $attachmentTypes);
diff --git a/var/Widget/Options/Permalink.php b/var/Widget/Options/Permalink.php
index e545b074..ef3ebd8e 100644
--- a/var/Widget/Options/Permalink.php
+++ b/var/Widget/Options/Permalink.php
@@ -222,7 +222,8 @@ RewriteRule . {$basePath}index.php [L]
                 . _t('请调整你的目录权限, 或者手动创建一个.htaccess文件.') . '</strong>';
         }
 
-        $errorStr .= '<br />' . _t('如果你仍然想启用此功能, <a href="%s">请点击这里</a>', Typecho_Common::url('index.php/action/options-permalink?do=enableRewriteAnyway', $this->options->siteUrl));
+        $errorStr .= '<br />' . _t('如果你仍然想启用此功能, <a href="%s">请点击这里</a>',
+                $this->security->getTokenUrl(Typecho_Common::url('index.php/action/options-permalink?do=enableRewriteAnyway', $this->options->siteUrl)));
 
         $form->addInput($rewrite->addRule(array($this, 'checkRewrite'), $errorStr));
         $patterns = array('/archives/[cid:digital]/' => _t('默认风格') . ' <code>/archives/{cid}/</code>',
diff --git a/var/Widget/Options/Reading.php b/var/Widget/Options/Reading.php
index 20ef9b68..84262a82 100644
--- a/var/Widget/Options/Reading.php
+++ b/var/Widget/Options/Reading.php
@@ -39,7 +39,7 @@ class Widget_Options_Reading extends Widget_Options_Permalink
             . _t('在某些主题中这个格式可能不会生效, 因为主题作者可以自定义日期格式.') . '<br />'
             . _t('请参考 <a href="http://www.php.net/manual/zh/function.date.php">PHP 日期格式写法</a>.'));
         $postDateFormat->input->setAttribute('class', 'w-40 mono');
-        $form->addInput($postDateFormat);
+        $form->addInput($postDateFormat->addRule('xssCheck', _t('请不要在日期格式中使用特殊字符')));
 
         //首页显示
         $frontPageParts = explode(':', $this->options->frontPage);
diff --git a/var/Widget/Register.php b/var/Widget/Register.php
index a9480b84..abd3af2d 100644
--- a/var/Widget/Register.php
+++ b/var/Widget/Register.php
@@ -17,6 +17,9 @@ class Widget_Register extends Widget_Abstract_Users implements Widget_Interface_
      */
     public function action()
     {
+        // protect
+        $this->security->protect();
+
         /** 如果已经登录 */
         if ($this->user->hasLogin() || !$this->options->allowRegister) {
             /** 直接返回 */
@@ -79,6 +82,6 @@ class Widget_Register extends Widget_Abstract_Users implements Widget_Interface_
         Typecho_Cookie::delete('__typecho_remember_mail');
 
         $this->widget('Widget_Notice')->set(_t('用户 <strong>%s</strong> 已经成功注册, 密码为 <strong>%s</strong>', $this->screenName, $generatedPassword), 'success');
-        $this->response->goBack();
+        $this->response->redirect($this->options->adminUrl);
     }
 }
diff --git a/var/Widget/Security.php b/var/Widget/Security.php
index a3aacc4b..e1562e8d 100644
--- a/var/Widget/Security.php
+++ b/var/Widget/Security.php
@@ -30,13 +30,21 @@ class Widget_Security extends Typecho_Widget
         $this->_options = $this->widget('Widget_Options');
         $user = $this->widget('Widget_User');
 
-        $token = uniqid();
+        $this->_token = $this->_options->secret;
         if ($user->hasLogin()) {
-            $token = $user->authCode . '&' . $user->uid
-                . '&' . $this->request->getRequestUrl();
+            $this->_token .= '&' . $user->authCode . '&' . $user->uid;
         }
+    }
 
-        $this->_token = md5($token);
+    /**
+     * 获取token
+     *
+     * @param string $suffix 后缀
+     * @return string
+     */
+    public function getToken($suffix)
+    {
+        return md5($this->_token . '&' . $suffix);
     }
 
     /**
@@ -54,7 +62,7 @@ class Widget_Security extends Typecho_Widget
             parse_str($parts['query'], $params);
         }
 
-        $params['_'] = $this->_token;
+        $params['_'] = $this->getToken($this->request->getRequestUrl());
         $parts['query'] = http_build_query($params);
 
         return Typecho_Common::buildUrl($parts);
@@ -66,16 +74,8 @@ class Widget_Security extends Typecho_Widget
      */
     public function protect()
     {
-        $user = $this->widget('Widget_User');
-        $token = uniqid();
-        if ($user->hasLogin()) {
-            $token = $user->authCode . '&' . $user->uid
-                . '&' . $this->request->getReferer();
-        }
-
-        if ($this->request->get('_') != md5($token)) {
-            $this->widget('Widget_Notice')->set(_t('一次不安全的跳转已经被阻止'));
-            $this->response->redirect($this->_options->adminUrl);
+        if ($this->request->get('_') != $this->getToken($this->request->getReferer())) {
+            $this->response->goBack();
         }
     }
 
diff --git a/var/Widget/Users/Edit.php b/var/Widget/Users/Edit.php
index 16a2c638..e2e04d16 100644
--- a/var/Widget/Users/Edit.php
+++ b/var/Widget/Users/Edit.php
@@ -78,7 +78,7 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
         ->from('table.users')
         ->where('uid = ?', $uid)->limit(1));
 
-        return $user ? true : false;
+        return !empty($user);
     }
 
     /**
@@ -125,9 +125,9 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
         $form->addInput($url);
 
         /** 用户组 */
-        $group =  new Typecho_Widget_Helper_Form_Element_Select('group', array('visitor' => _t('访问者'),
-        'subscriber' => _t('关注者'), 'contributor' => _t('贡献者'), 'editor' => _t('编辑'), 'administrator' => _t('管理员')),
-        NULL, _t('用户组'), _t('不同的用户组拥有不同的权限.')
+        $group =  new Typecho_Widget_Helper_Form_Element_Select('group', array('subscriber' => _t('关注者'),
+                'contributor' => _t('贡献者'), 'editor' => _t('编辑'), 'administrator' => _t('管理员')),
+                NULL, _t('用户组'), _t('不同的用户组拥有不同的权限.')
             . '<br />' . _t('具体的权限分配表请<a href="http://docs.typecho.org/develop/acl">参考这里</a>.'));
         $form->addInput($group);
 
@@ -167,6 +167,7 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
         /** 给表单增加规则 */
         if ('insert' == $action || 'update' == $action) {
             $screenName->addRule(array($this, 'screenNameExists'), _t('昵称已经存在'));
+            $screenName->addRule('xssCheck', _t('请不要在昵称中使用特殊字符'));
             $url->addRule('url', _t('个人主页地址格式错误'));
             $mail->addRule('required', _t('必须填写电子邮箱'));
             $mail->addRule(array($this, 'mailExists'), _t('电子邮箱地址已经存在'));
@@ -267,18 +268,16 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
      */
     public function deleteUser()
     {
-        $users = $this->request->uid;
+        $users = $this->request->filter('int')->getArray('uid');
         $deleteCount = 0;
 
-        if ($users && is_array($users)) {
-            foreach ($users as $user) {
-                if (1 == $user) {
-                    continue;
-                }
+        foreach ($users as $user) {
+            if (1 == $user || $user == $this->user->id) {
+                continue;
+            }
 
-                if ($this->delete($this->db->sql()->where('uid = ?', $user))) {
-                    $deleteCount ++;
-                }
+            if ($this->delete($this->db->sql()->where('uid = ?', $user))) {
+                $deleteCount ++;
             }
         }
 
diff --git a/var/Widget/Users/Profile.php b/var/Widget/Users/Profile.php
index 80b6b8ec..963f0203 100644
--- a/var/Widget/Users/Profile.php
+++ b/var/Widget/Users/Profile.php
@@ -74,6 +74,7 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
 
         /** 给表单增加规则 */
         $screenName->addRule(array($this, 'screenNameExists'), _t('昵称已经存在'));
+        $screenName->addRule('xssCheck', _t('请不要在昵称中使用特殊字符'));
         $url->addRule('url', _t('个人主页地址格式错误'));
         $mail->addRule('required', _t('必须填写电子邮箱'));
         $mail->addRule(array($this, 'mailExists'), _t('电子邮箱地址已经存在'));
@@ -94,7 +95,7 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
         $form = new Typecho_Widget_Helper_Form($this->security->getIndex('/action/users-profile'),
         Typecho_Widget_Helper_Form::POST_METHOD);
 
-        /** 自动保存 */
+        /** 撰写设置 */
         $markdown = new Typecho_Widget_Helper_Form_Element_Radio('markdown',
         array('0' => _t('关闭'), '1' => _t('打开')),
         $this->options->markdown, _t('使用 Markdown 语法编辑和解析内容'), 
@@ -276,15 +277,11 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
     {
         $settings['autoSave'] = $this->request->autoSave ? 1 : 0;
         $settings['markdown'] = $this->request->markdown ? 1 : 0;
+        $defaultAllow = $this->request->getArray('defaultAllow');
 
-        $settings['defaultAllowComment'] = is_array($this->request->defaultAllow)
-        && in_array('comment', $this->request->defaultAllow) ? 1 : 0;
-
-        $settings['defaultAllowPing'] = is_array($this->request->defaultAllow)
-        && in_array('ping', $this->request->defaultAllow) ? 1 : 0;
-
-        $settings['defaultAllowFeed'] = is_array($this->request->defaultAllow)
-        && in_array('feed', $this->request->defaultAllow) ? 1 : 0;
+        $settings['defaultAllowComment'] = in_array('comment', $defaultAllow) ? 1 : 0;
+        $settings['defaultAllowPing'] = in_array('ping', $defaultAllow) ? 1 : 0;
+        $settings['defaultAllowFeed'] = in_array('feed', $defaultAllow) ? 1 : 0;
 
         foreach ($settings as $name => $value) {
             if ($this->db->fetchObject($this->db->select(array('COUNT(*)' => 'num'))