diff --git a/footer.php b/footer.php
index 85216eb2..513e3e32 100644
--- a/footer.php
+++ b/footer.php
@@ -4,7 +4,7 @@
  * 主题页脚
  * @author Seaton Jiang <hi@seatonjiang.com>
  * @license GPL-3.0 License
- * @version 2022.01.26
+ * @version 2022.04.29
  */
 ?>
 <div class="k-footer">
@@ -44,7 +44,7 @@
                     ?>
                 </p>
                 <?php
-                echo '<p>' . kratos_option('s_copyright', 'COPYRIGHT © ' . date('Y') . ' ' . get_bloginfo('name') . '. ALL RIGHTS RESERVED.') . '</p>';
+                echo '<p>' . kratos_option('s_copyright', 'COPYRIGHT © ' . wp_date('Y') . ' ' . get_bloginfo('name') . '. ALL RIGHTS RESERVED.') . '</p>';
                 echo '<p>Theme <a href="https://github.com/seatonjiang/kratos" target="_blank" rel="nofollow">Kratos</a> Made By <a href="https://seatonjiang.com" target="_blank" rel="nofollow">Seaton Jiang</a></p>';
                 if (kratos_option('s_icp')) {
                     echo '<p><a href="https://beian.miit.gov.cn/" target="_blank" rel="nofollow">' . kratos_option('s_icp') . '</a></p>';
@@ -63,4 +63,4 @@
 <?php wp_footer(); ?>
 </body>
 
-</html>
+</html>
\ No newline at end of file
diff --git a/inc/theme-options.php b/inc/theme-options.php
index b57dbe46..cf96bd01 100644
--- a/inc/theme-options.php
+++ b/inc/theme-options.php
@@ -4,7 +4,7 @@
  * 主题选项
  * @author Seaton Jiang <hi@seatonjiang.com>
  * @license GPL-3.0 License
- * @version 2022.03.28
+ * @version 2022.04.29
  */
 
 defined('ABSPATH') || exit;
@@ -1033,7 +1033,7 @@ function getrobots()
             'id' => 's_copyright',
             'type' => 'textarea',
             'title' => __('版权信息', 'kratos'),
-            'default' => 'COPYRIGHT © ' . date('Y') . ' ' . get_bloginfo('name') . '. ALL RIGHTS RESERVED.',
+            'default' => 'COPYRIGHT © ' . wp_date('Y') . ' ' . get_bloginfo('name') . '. ALL RIGHTS RESERVED.',
         ),
     ),
 ));
diff --git a/inc/theme-smtp.php b/inc/theme-smtp.php
index c7b40889..dacc33b7 100644
--- a/inc/theme-smtp.php
+++ b/inc/theme-smtp.php
@@ -4,7 +4,7 @@
  * SMTP 配置
  * @author Seaton Jiang <hi@seatonjiang.com>
  * @license GPL-3.0 License
- * @version 2022.01.26
+ * @version 2022.04.29
  */
 
 if (kratos_option('m_smtp', false)) {
@@ -66,7 +66,7 @@ function comment_approved($comment)
                     <div style="font-size:13px;color:#a0a0a0;padding-top:10px">' . __('该邮件由系统自动发出，如果不是您本人操作，请忽略此邮件。', 'kratos') . '</div>
                     <div class="qmSysSign" style="padding-top:20px;font-size:12px;color:#a0a0a0;">
                         <p style="color:#a0a0a0;line-height:18px;font-size:12px;margin:5px 0;">' . htmlspecialchars_decode(get_option('blogname'), ENT_QUOTES) . '</p>
-                        <p style="color:#a0a0a0;line-height:18px;font-size:12px;margin:5px 0;"><span style="border-bottom:1px dashed #ccc;" t="5" times="">' . date("Y年m月d日", time()) . '</span></p>
+                        <p style="color:#a0a0a0;line-height:18px;font-size:12px;margin:5px 0;"><span style="border-bottom:1px dashed #ccc;" t="5" times="">' . wp_date("Y年m月d日", time()) . '</span></p>
                     </div>
                 </div>
             </div>
@@ -118,7 +118,7 @@ function comment_notify($comment_id)
                     <div style="font-size:13px;color:#a0a0a0;padding-top:10px">' . __('该邮件由系统自动发出，如果不是您本人操作，请忽略此邮件。', 'kratos') . '</div>
                     <div class="qmSysSign" style="padding-top:20px;font-size:12px;color:#a0a0a0;">
                         <p style="color:#a0a0a0;line-height:18px;font-size:12px;margin:5px 0;">' . htmlspecialchars_decode(get_option('blogname'), ENT_QUOTES) . '</p>
-                        <p style="color:#a0a0a0;line-height:18px;font-size:12px;margin:5px 0;"><span style="border-bottom:1px dashed #ccc;" t="5" times="">' . date("Y年m月d日", time()) . '</span></p>
+                        <p style="color:#a0a0a0;line-height:18px;font-size:12px;margin:5px 0;"><span style="border-bottom:1px dashed #ccc;" t="5" times="">' . wp_date("Y年m月d日", time()) . '</span></p>
                     </div>
                 </div>
             </div>
diff --git a/inc/theme-widgets.php b/inc/theme-widgets.php
index 13ac9d2f..e7ec3a5d 100644
--- a/inc/theme-widgets.php
+++ b/inc/theme-widgets.php
@@ -4,7 +4,7 @@
  * 侧栏小工具
  * @author Seaton Jiang <hi@seatonjiang.com>
  * @license GPL-3.0 License
- * @version 2022.01.26
+ * @version 2022.04.29
  */
 
 // 添加小工具
@@ -77,11 +77,12 @@ function archive_count_span($links)
 function most_comm_posts($days = 30, $nums = 6)
 {
     global $wpdb;
-    date_default_timezone_set("PRC");
-    $today = date("Y-m-d H:i:s");
-    $daysago = date("Y-m-d H:i:s", strtotime($today) - ($days * 24 * 60 * 60));
+
+    $today = wp_date("Y-m-d H:i:s");
+    $daysago = wp_date("Y-m-d H:i:s", strtotime($today) - ($days * 24 * 60 * 60));
     $result = $wpdb->get_results($wpdb->prepare("SELECT comment_count, ID, post_title, post_date FROM $wpdb->posts WHERE post_date BETWEEN %s AND %s and post_type = 'post' AND post_status = 'publish' ORDER BY comment_count DESC LIMIT 0, %d", $daysago, $today, $nums));
     $output = '';
+
     if (!empty($result)) {
         foreach ($result as $topten) {
             $postid = $topten->ID;
@@ -150,7 +151,7 @@ function latest_comments($list_number = 5, $cut_length = 50)
             <div class="meta clearfix">
                 <div class="avatar float-left">' . get_avatar($comment, 60) . '</div>
                 <div class="profile d-block">
-                    <span class="date">' . $nickname . ' ' . __('发布于 ', 'kratos') . timeago($comment->comment_date) . '（' . date(__('m月d日', 'kratos'), strtotime($comment->comment_date)) . '）</span>
+                    <span class="date">' . $nickname . ' ' . __('发布于 ', 'kratos') . timeago($comment->comment_date) . '（' . wp_date(__('m月d日', 'kratos'), strtotime($comment->comment_date)) . '）</span>
                     <span class="message d-block">' . convert_smilies(esc_attr(string_cut(strip_tags($comment->comment_content), $cut_length))) . '</span>
                 </div>
             </div>