diff --git a/admin/index.php b/admin/index.php
index 2775b6ff..d7cd0242 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -118,7 +118,9 @@ include 'common-js.php';
 
 <script>
 $(document).ready(function () {
-    var ul = $('.intro-link ul'), html = $.cookie('__typecho_feed'), update = $.cookie('__typecho_update');
+    var ul = $('.intro-link ul'), cache = window.sessionStorage,
+        html = cache ? cache.getItem('feed') : '',
+        update = cache ? cache.getItem('update') : '';
 
     if (!!html) {
         ul.html(html);
@@ -132,8 +134,8 @@ $(document).ready(function () {
             }
 
             ul.html(html);
-            $.cookie('__typecho_feed', html);
-        });
+            cache.setItem('feed', html);
+        }, 'json');
     }
 
     function applyUpdate(update) {
@@ -152,8 +154,8 @@ $(document).ready(function () {
         update = '';
         $.get('<?php $options->index('/action/ajax?do=checkVersion'); ?>', function (o, status, resp) {
             applyUpdate(o);
-            $.cookie('__typecho_update', resp.responseText);
-        });
+            cache.setItem('update', resp.responseText);
+        }, 'json');
     }
 });
 
diff --git a/admin/manage-comments.php b/admin/manage-comments.php
index 57b69b64..d5838904 100644
--- a/admin/manage-comments.php
+++ b/admin/manage-comments.php
@@ -261,7 +261,7 @@ $(document).ready(function () {
                 $.post(t.attr('action'), t.serialize(), function (o) {
                     reply.html(o.comment.content)
                         .effect('highlight');
-                });
+                }, 'json');
 
                 t.remove();
                 return false;
@@ -333,7 +333,7 @@ $(document).ready(function () {
             $.post(t.attr('action'), comment, function (o) {
                 $('.comment-content', oldTr).html(o.comment.content)
                     .effect('highlight');
-            });
+            }, 'json');
             
             oldTr.show();
             tr.remove();
diff --git a/admin/write-js.php b/admin/write-js.php
index 1bbcb4f7..f5ef41b8 100644
--- a/admin/write-js.php
+++ b/admin/write-js.php
@@ -149,7 +149,7 @@ $(document).ready(function() {
                     cid = o.cid;
                     autoSave.text('<?php _e('内容已经保存'); ?>' + ' (' + o.time + ')').effect('highlight', 1000);
                     locked = false;
-                });
+                }, 'json');
             }
         }, 10000);
     }