diff --git a/api/kd/index.php b/api/kd/index.php
index 6ab0559..c285c53 100644
--- a/api/kd/index.php
+++ b/api/kd/index.php
@@ -1,13 +1,4 @@
 <?
-$file = 'counter.dat';
-
-// 读取并自增
-$counter = (int)@file_get_contents($file);
-$counter++;
-
-// 使用 LOCK_EX 防止并发写入冲突
-file_put_contents($file, $counter, LOCK_EX);
-
 header('Content-type: application/json');
 require __DIR__.'/../../need.php';
 $request = need::request();