diff --git a/upload/source/admincp/admincp_recyclebin.php b/upload/source/admincp/admincp_recyclebin.php
index 39a7a289b443315527a3ca26bcbafbfd666a2925..ede1836e6122b5e0f7dcdf277cda2e91ec8c90dd 100644
--- a/upload/source/admincp/admincp_recyclebin.php
+++ b/upload/source/admincp/admincp_recyclebin.php
@@ -294,10 +294,10 @@ EOT;
 
 		$deletetids = array();
 		$timestamp = TIMESTAMP;
-		$pernum = 500;
+		$pernum = 20;
 		$threadsdel = intval($_GET['threadsdel']);
 		$days = intval($_GET['days']);
-		foreach(C::t('forum_threadmod')->fetch_all_recyclebin_by_dateline($timestamp-($days * 86400), 0, $pernum) as $thread) {
+		foreach(C::t('forum_thread')->fetch_all_recyclebin_by_dateline($timestamp-($days * 86400), 0, $pernum) as $thread) {
 			$deletetids[] = $thread['tid'];
 		}
 		if($deletetids) {
@@ -305,7 +305,7 @@ EOT;
 			$delcount = deletethread($deletetids);
 			$threadsdel += $delcount;
 			$startlimit += $pernum;
-			cpmsg('recyclebin_clean_next', 'action=recyclebin&operation=clean&rbsubmit=1&threadsdel='.$threadsdel.'&days='.$days, 'succeed', array('threadsdel' => $threadsdel));
+			cpmsg('recyclebin_clean_next', 'action=recyclebin&operation=clean&rbsubmit=1&threadsdel='.$threadsdel.'&days='.$days, 'loading', array('threadsdel' => $threadsdel));
 		} else {
 			cpmsg('recyclebin_succeed', 'action=recyclebin&operation=clean', 'succeed', array('threadsdel' => $threadsdel, 'threadsundel' => 0));
 		}
diff --git a/upload/source/class/table/table_forum_thread.php b/upload/source/class/table/table_forum_thread.php
index 2736fec2be7160479716adb7ffcac5104789eb24..8c96347fedc377ba028e10a2a34199fb561acf89 100644
--- a/upload/source/class/table/table_forum_thread.php
+++ b/upload/source/class/table/table_forum_thread.php
@@ -446,6 +446,10 @@ class table_forum_thread extends discuz_table
 				LEFT JOIN '.DB::table('forum_forum').' f ON f.fid=t.fid '.$sql[0].' ORDER BY t.dateline DESC '.DB::limit($start, $limit), $sql[1]);
 	}
 
+	public function fetch_all_recyclebin_by_dateline($dateline, $start = 0, $limit = 0) {
+		return DB::fetch_all("SELECT tid FROM %t WHERE displayorder=-1 AND dateline<%d".DB::limit($start, $limit), array($this->_table, $dateline));
+	}
+
 	public function fetch_all_moderate($fid = 0, $displayorder = null, $isgroup = null, $dateline = null, $author = null, $subject = null) {
 		$parameter = $this->make_query_condition(null, $fid, $isgroup, $author, $subject, $displayorder, $dateline);
 		return DB::fetch_all('SELECT * FROM %t '.$parameter[0], $parameter[1], $this->_pk);