diff --git a/common/helpers/comm_helper.php b/common/helpers/comm_helper.php
index 61f92af0..d2fa4310 100644
--- a/common/helpers/comm_helper.php
+++ b/common/helpers/comm_helper.php
@@ -439,7 +439,7 @@ if (!function_exists('send_sms')) {
         $template = 'SMS_218630210';
         $alisms = new AliSms();
         $rt = $alisms->sendSms($mobile, array('code' => $code), $template, $sign);
-        debug_log($rt . "\n", 'sms.log');
+        debug_log($rt, 'sms.log');
         return true;
     }
 }