diff --git a/functions.php b/functions.php
index a5a1bea..aebc015 100644
--- a/functions.php
+++ b/functions.php
@@ -5,7 +5,7 @@ function themeConfig($form) {
     $form->addInput($logoUrl);
     $icoUrl = new Typecho_Widget_Helper_Form_Element_Text('icoUrl', NULL, NULL, _t('站点 Favicon 地址'));
     $form->addInput($icoUrl);
-    $sticky = new Typecho_Widget_Helper_Form_Element_Text('sticky', NULL, '0', _t('置顶文章cid'), _t('多篇文章以`|`符号隔开'), _t('会在首页展示置顶文章。'));
+    $sticky = new Typecho_Widget_Helper_Form_Element_Text('sticky', NULL, NULL, _t('置顶文章cid'), _t('多篇文章以`|`符号隔开'), _t('会在首页展示置顶文章。'));
     $form->addInput($sticky);
     $showProfile = new Typecho_Widget_Helper_Form_Element_Radio('showProfile',
     array('0'=> _t('否'), '1'=> _t('是')),
diff --git a/postlist.php b/postlist.php
index 5b4f18d..0906e2f 100644
--- a/postlist.php
+++ b/postlist.php
@@ -4,101 +4,98 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
 
 /** 文章置顶 */
 $sticky = $this->options->sticky; // 置顶的文章id，多个用|隔开
+$db = Typecho_Db::get();
+$pageSize = $this->options->pageSize;
 
-if ($sticky) {
+if ($sticky && !empty(trim($sticky))) {
     $sticky_cids = array_filter(explode('|', $sticky)); // 分割文本并过滤空值
-    $sticky_html = " <span class='sticky--post'> 置顶 </span> "; // 置顶标题的 html
-    $db = Typecho_Db::get();
-    $pageSize = $this->options->pageSize;
+    if (!empty($sticky_cids)) {
+        $sticky_html = " <span class='sticky--post'> 置顶 </span> "; // 置顶标题的 html
 
-    // 清空原有文章的队列
-    $this->row = [];
-    $this->stack = [];
-    $this->length = 0;
+        // 清空原有文章的队列
+        $this->row = [];
+        $this->stack = [];
+        $this->length = 0;
 
-    // 获取总数，并排除置顶文章数量
-    if (isset($this->currentPage) && $this->currentPage == 1) {
-        $totalOriginal = $this->getTotal();
-        $stickyCount = count($sticky_cids);
-        $this->setTotal(max($totalOriginal - $stickyCount, 0));
+        // 获取总数，并排除置顶文章数量
+        if (isset($this->currentPage) && $this->currentPage == 1) {
+            $totalOriginal = $this->getTotal();
+            $stickyCount = count($sticky_cids);
+            $this->setTotal(max($totalOriginal - $stickyCount, 0));
 
-        // 构建置顶文章的查询
-        $selectSticky = $this->select()->where('type = ?', 'post');
-        foreach ($sticky_cids as $i => $cid) {
-            if ($i == 0) 
-                $selectSticky->where('cid = ?', $cid);
-            else 
-                $selectSticky->orWhere('cid = ?', $cid);
+            // 构建置顶文章的查询
+            $selectSticky = $this->select()->where('type = ?', 'post');
+            foreach ($sticky_cids as $i => $cid) {
+                if ($i == 0) 
+                    $selectSticky->where('cid = ?', $cid);
+                else 
+                    $selectSticky->orWhere('cid = ?', $cid);
+            }
+
+            // 获取置顶文章
+            $stickyPosts = $db->fetchAll($selectSticky);
+
+            // 压入置顶文章到文章队列
+            foreach ($stickyPosts as &$stickyPost) {
+                $stickyPost['title'] .= $sticky_html;
+                $this->push($stickyPost);
+            }
+
+            $standardPageSize = $pageSize - count($stickyPosts);
+        } else {
+            $standardPageSize = $pageSize;
         }
 
-        // 获取置顶文章
-        $stickyPosts = $db->fetchAll($selectSticky);
-        
-        // 压入置顶文章到文章队列
-        foreach ($stickyPosts as &$stickyPost) {
-            $stickyPost['title'] .= $sticky_html;
-            $this->push($stickyPost);
-        }
+        // 构建正常文章查询，排除置顶文章
+        $selectNormal = $this->select()
+            ->where('type = ?', 'post')
+            ->where('status = ?', 'publish')
+            ->where('created < ?', time())
+            ->order('created', Typecho_Db::SORT_DESC)
+            ->page(isset($this->currentPage) ? $this->currentPage : 1, $standardPageSize);
 
-        $standardPageSize = $pageSize - count($stickyPosts);
+        foreach ($sticky_cids as $cid) {
+            $selectNormal->where('table.contents.cid != ?', $cid);
+        }
     } else {
-        $standardPageSize = $pageSize;
-    }
-
-    // 构建正常文章查询，排除置顶文章
-    $selectNormal = $this->select()
-        ->where('type = ?', 'post')
-        ->where('status = ?', 'publish')
-        ->where('created < ?', time())
-        ->order('created', Typecho_Db::SORT_DESC)
-        ->page(isset($this->currentPage) ? $this->currentPage : 1, $standardPageSize);
-
-    foreach ($sticky_cids as $cid) {
-        $selectNormal->where('table.contents.cid != ?', $cid);
-    }
-
-    // 登录用户显示私密文章
-    if ($this->user->hasLogin()) {
-        $uid = $this->user->uid;
-        if ($uid) {
-            $selectNormal->orWhere('authorId = ? AND status = ?', $uid, 'private');
-        }
-    }
-
-    $normalPosts = $db->fetchAll($selectNormal);
-    
-    // 压入正常文章到文章队列
-    foreach ($normalPosts as $normalPost) {
-        $this->push($normalPost);
+        // 如果sticky_cids为空，使用默认查询
+        $selectNormal = $this->select()
+            ->where('type = ?', 'post')
+            ->where('status = ?', 'publish')
+            ->where('created < ?', time())
+            ->order('created', Typecho_Db::SORT_DESC)
+            ->page(isset($this->currentPage) ? $this->currentPage : 1, $pageSize);
     }
 } else {
-    // 如果没有置顶文章，正常分页
+    // 如果没有置顶文章，使用默认查询
     $selectNormal = $this->select()
         ->where('type = ?', 'post')
         ->where('status = ?', 'publish')
         ->where('created < ?', time())
         ->order('created', Typecho_Db::SORT_DESC)
-        ->page(isset($this->currentPage) ? $this->currentPage : 1, $this->options->pageSize);
+        ->page(isset($this->currentPage) ? $this->currentPage : 1, $pageSize);
+}
 
-    // 登录用户显示私密文章
-    if ($this->user->hasLogin()) {
-        $uid = $this->user->uid;
-        if ($uid) {
-            $selectNormal->orWhere('authorId = ? AND status = ?', $uid, 'private');
-        }
+// 登录用户显示私密文章
+if ($this->user->hasLogin()) {
+    $uid = $this->user->uid;
+    if ($uid) {
+        $selectNormal->orWhere('authorId = ? AND status = ?', $uid, 'private');
     }
+}
 
-    $normalPosts = $db->fetchAll($selectNormal);
-    
-    // 清空原有文章的队列
+$normalPosts = $db->fetchAll($selectNormal);
+
+// 如果之前没有清空队列（没有置顶文章的情况），现在清空
+if (empty($sticky) || empty(trim($sticky)) || empty($sticky_cids)) {
     $this->row = [];
     $this->stack = [];
     $this->length = 0;
+}
 
-    // 压入正常文章到文章队列
-    foreach ($normalPosts as $normalPost) {
-        $this->push($normalPost);
-    }
+// 压入正常文章到文章队列
+foreach ($normalPosts as $normalPost) {
+    $this->push($normalPost);
 }
 ?>
 <?php while($this->next()): ?>