diff --git a/model/mSpider.php b/model/mSpider.php
index 0c06f16..842a567 100644
--- a/model/mSpider.php
+++ b/model/mSpider.php
@@ -39,7 +39,7 @@ class mSpider extends mBase {
         if (empty($ip) || empty($port)) return false;
 
         $rdobj = $this->initRedis();
-        $rdobj->setex($task_key, 3600 * 24, json_encode(array('ip' => $ip, 'port' => $port, 'end_time' => $end_time)));
+        $rdobj->setex($task_key, 600, json_encode(array('ip' => $ip, 'port' => $port, 'end_time' => $end_time)));
 
         return array('ip' => $ip, 'port' => $port);
     }