diff --git a/src/think/route/Rule.php b/src/think/route/Rule.php
index 883a5174795a39afbb89fb13fc5f362da22cef18..bb13c363e423b32fc468284bd8c4c9608dd80a58 100644
--- a/src/think/route/Rule.php
+++ b/src/think/route/Rule.php
@@ -457,10 +457,10 @@ abstract class Rule
     /**
      * 设置路由缓存
      * @access public
-     * @param  array|string $cache 缓存
+     * @param  array|int $cache 缓存
      * @return $this
      */
-    public function cache(array|string $cache)
+    public function cache(array|int $cache)
     {
         return $this->middleware(CheckRequestCache::class, $cache);
     }