diff --git a/app/Cache/Redis/Api/UserCache.php b/app/Cache/Redis/Api/UserCache.php
index cd62069..b487a7d 100644
--- a/app/Cache/Redis/Api/UserCache.php
+++ b/app/Cache/Redis/Api/UserCache.php
@@ -26,7 +26,7 @@ class UserCache
     public function setUserToken(int $userId,string $token): void
     {
         $key = CommonRedisKey::userTokenHashKey();
-        $this->redis->hSet($key, $userId, $token);
+        $this->redis->hSet($key, (string)$userId, $token);
     }
 
     /**
@@ -38,7 +38,7 @@ class UserCache
     public function getUserToken(int $userId): mixed
     {
         $key = CommonRedisKey::userTokenHashKey();
-        return $this->redis->hGet($key, $userId);
+        return $this->redis->hGet($key, (string)$userId);
     }
 
     /**
@@ -50,6 +50,6 @@ class UserCache
     public function removeUserToken(int $userId): void
     {
         $key = CommonRedisKey::userTokenHashKey();
-        $this->redis->hDel($key, $userId);
+        $this->redis->hDel($key, (string)$userId);
     }
 }
\ No newline at end of file