diff --git a/admin/css/style.css b/admin/css/style.css
index 747a577e..8ab23ffe 100644
--- a/admin/css/style.css
+++ b/admin/css/style.css
@@ -379,7 +379,7 @@ button.primary:active, button.primary.active {
     font-weight: bold;
     display: none;
     margin: 0;
-    padding: 5px 0;
+    padding: 10px 0;
 
     -moz-border-radius: 0;
     -moz-border-radius: 0;
@@ -668,8 +668,6 @@ button.primary:active, button.primary.active {
     border-radius: 2px;
 }
 .typecho-page-title h2 a:hover {
-    background: #E6E6E3;
-    color: #666;
     text-decoration: none;
 }
 
@@ -805,10 +803,6 @@ a.operate-reply {
     text-align: right;
 }
 
-.typecho-list-table-border {
-    border-collapse: separate;
-}
-
 .typecho-list-table th {
     padding: 0 10px 10px;
     border-bottom: 2px solid #F0F0EC;
@@ -820,7 +814,6 @@ a.operate-reply {
     border-top: 1px solid #F0F0EC;
     word-break: break-all;
 }
-
 .typecho-list-table tbody tr:hover td {
     background-color: #F6F6F3;
 }
diff --git a/admin/write-post.php b/admin/write-post.php
index 1f9ddd87..bcd76998 100644
--- a/admin/write-post.php
+++ b/admin/write-post.php
@@ -57,7 +57,7 @@ Typecho_Widget::widget('Widget_Contents_Post_Edit')->to($post);
                             <button type="submit" name="do" value="publish" class="primary" id="btn-submit"><?php _e('发布文章'); ?></button>
                         </span>
                     </p>
-                    <div id="typecho-preview-box">预览</div>
+                    <!-- <div id="typecho-preview-box">预览</div> -->
                 </div>
                 <div class="col-mb-12 col-tb-3">
                     <section class="typecho-post-option">