diff --git a/webapp/controller/OtherController.class.php b/webapp/controller/OtherController.class.php
index 0e5fe2a1..54b195a1 100644
--- a/webapp/controller/OtherController.class.php
+++ b/webapp/controller/OtherController.class.php
@@ -164,7 +164,7 @@ class OtherController extends BaseAuthedController {
                     "type" => -1,
                     "event_name" => $reward['event_name'],
                     "cecVal" => $reward['cec'],
-                    "createtime" => $reward['time']
+                    "createtime" => strtotime($reward['time'])
                 ));
             }
         }