diff --git a/admin/css/style.css b/admin/css/style.css
index 492dc042..e134a4a7 100644
--- a/admin/css/style.css
+++ b/admin/css/style.css
@@ -1063,16 +1063,19 @@ a.operate-reply {
   display: inline-block;
   border-style: solid;
   border-color: transparent transparent #BBB transparent;
-  border-width: 0 4px 5px;
-  vertical-align: middle; }
+  border-width: 3px 4px 5px; }
 
 .i-caret-down {
   border-color: #BBB transparent transparent transparent;
-  border-width: 5px 4px 0; }
+  border-width: 5px 4px 3px; }
+
+.i-caret-left {
+  border-color: transparent #BBB transparent transparent;
+  border-width: 4px 5px 4px 3px; }
 
 .i-caret-right {
   border-color: transparent transparent transparent #BBB;
-  border-width: 4px 0 4px 5px; }
+  border-width: 4px 3px 4px 5px; }
 
 .i-exlink {
   background-position: 0 0; }
diff --git a/admin/custom-fields-js.php b/admin/custom-fields-js.php
index c69b35e8..fe388507 100644
--- a/admin/custom-fields-js.php
+++ b/admin/custom-fields-js.php
@@ -2,6 +2,12 @@
 $(document).ready(function () {
     // 自定义字段
     $('#custom-field-expand').click(function() {
+        var btn = $('i', this);
+        if (btn.hasClass('i-caret-right')) {
+            btn.removeClass('i-caret-right').addClass('i-caret-down');
+        } else {
+            btn.removeClass('i-caret-down').addClass('i-caret-right');
+        }
         $(this).parent().toggleClass('fold');
     });
 
diff --git a/admin/custom-fields.php b/admin/custom-fields.php
index 9704f5f7..15742406 100644
--- a/admin/custom-fields.php
+++ b/admin/custom-fields.php
@@ -4,7 +4,7 @@ $fields = isset($post) ? $post->getFieldItems() : $page->getFieldItems();
 $defaultFields = isset($post) ? $post->getDefaultFieldItems() : $post->getDefaultFieldItems();
 ?>
                     <section id="custom-field" class="typecho-post-option<?php if (empty($defaultFields) && empty($fields)): ?> fold<?php endif; ?>">
-                        <label id="custom-field-expand" class="typecho-label"><?php _e('自定义字段'); ?>  <i class="i-caret-down"></i></label>
+                        <label id="custom-field-expand" class="typecho-label"><i class="i-caret-right"></i> <?php _e('自定义字段'); ?></label>
                         <table class="typecho-list-table mono">
                             <colgroup>
                                 <col width="25%"/>
diff --git a/admin/scss/_icons.scss b/admin/scss/_icons.scss
index 4f1f07a4..79d5c5c2 100644
--- a/admin/scss/_icons.scss
+++ b/admin/scss/_icons.scss
@@ -37,16 +37,19 @@ $icons-2x: sprite-map("icons-2x/*.png");
   display: inline-block;
   border-style: solid;
   border-color: transparent transparent #BBB transparent;
-  border-width: 0 4px 5px;
-  vertical-align: middle;
+  border-width: 3px 4px 5px;
 }
 .i-caret-down {
   border-color: #BBB transparent transparent transparent;
-  border-width: 5px 4px 0;
+  border-width: 5px 4px 3px;
+}
+.i-caret-left {
+  border-color: transparent #BBB transparent transparent;
+  border-width: 4px 5px 4px 3px;
 }
 .i-caret-right {
   border-color: transparent transparent transparent #BBB;
-  border-width: 4px 0 4px 5px;
+  border-width: 4px 3px 4px 5px;
 }
 
 .i-exlink {
diff --git a/admin/write-js.php b/admin/write-js.php
index c990d593..2449f290 100644
--- a/admin/write-js.php
+++ b/admin/write-js.php
@@ -126,12 +126,12 @@ $(document).ready(function() {
     }), savedData = null;
 
     // 自动保存
-<?php if ($options->autoSave): ?> 
+<?php if ($options->autoSave): ?>
     var locked = false,
         formAction = form.attr('action'),
         idInput = $('input[name=cid]'),
         cid = idInput.val(),
-        autoSave = $('<span id="auto-save-message" class="left"></span>').prependTo('.submit'),
+        autoSave = $('#auto-save-message'),
         autoSaveOnce = !!cid,
         lastSaveTime = null;