diff --git a/application/api/controller/Index.php b/application/api/controller/Index.php
index e957f50..e54d979 100644
--- a/application/api/controller/Index.php
+++ b/application/api/controller/Index.php
@@ -258,7 +258,7 @@ class Index extends Api
                     $str2 = $str + 1;
                     $num = '0' . $str2;
                 }
-                echo $str;
+                echo $num;
                 echo '2';
                 die;
             } elseif (!strstr($arr[3], '0')) {