fix:var type

@@ -22,7 +22,8 @@
 		"php": ">=7.4",
 		"illuminate/console": "^6.9|^7.0|^8.0|^9.0",
 		"ext-json": "*",
-		"illuminate/support": "^6.9|^7.0|^8.0|^9.0"
+		"illuminate/support": "^6.9|^7.0|^8.0|^9.0",
+		"illuminate/queue": "^6.9|^7.0|^8.0|^9.0"
 	},
 	"require-dev": {
 		"phpunit/phpunit": "^9.5.10"

@@ -2,7 +2,6 @@
 
 namespace Lackoxygen\TiktokShop\Supervisor\Session;
 
-use Illuminate\Cache\CacheManager;
 use Lackoxygen\TiktokShop\Contracts\SessionInterface;
 use Lackoxygen\TiktokShop\Util\Json;
 
@@ -10,8 +9,6 @@ class SessionHeart
 {
     protected static ?SessionHeart $sessionHeart = null;
 
-    protected CacheManager $cacheManager;
-
     public function __construct()
     {
         SessionMemory::init();

@@ -33,7 +33,9 @@ class SessionMemory
             static::$sessions[$session->appKey()] = $session;
         });
 
-        $factory->load(static::persistence());
+        if ($raw = static::persistence()) {
+            $factory->load($raw);
+        }
     }
 
     public static function persistence()