diff --git a/webapp/controller/SignController.class.php b/webapp/controller/SignController.class.php
index fb3ceb5..3fa12e4 100644
--- a/webapp/controller/SignController.class.php
+++ b/webapp/controller/SignController.class.php
@@ -256,7 +256,11 @@ class SignController{
         }
         //获得奖励
         $g_conf_sign_cluster = require('../config/game2001api.signDaily.cluster.php');
-        $s = $this->getSign($row['sign_days'] % count($g_conf_sign_cluster) + 90000);
+        $sign_days = $row['sign_days'] % count($g_conf_sign_cluster);
+        if ($sign_days == 0) {
+            $sign_days = count($g_conf_sign_cluster);
+        }
+        $s = $this->getSign($sign_days + 90000);
         $item_id = $s['item_id'];
         $num = $s['num'];
         if ($double == 1) {