diff --git a/application/index/model/CronHandler.php b/application/index/model/CronHandler.php
index d33062f5..053da87a 100644
--- a/application/index/model/CronHandler.php
+++ b/application/index/model/CronHandler.php
@@ -17,7 +17,7 @@ class CronHandler extends Model{
 	public $notifiedUid = [];
 
 	public function __construct(){
-		$this->cornTasks = Db::name('corn')->where('enable',1)->order('rank desc')->select();
+		$this->cornTasks = Db::name('corn')->where('enable',1)->order('`rank` desc')->select();
 		$this->timeNow = time();
 	}
 
@@ -123,4 +123,4 @@ class CronHandler extends Model{
 	}
 
 }
-?>
\ No newline at end of file
+?>