diff --git a/app/Console/Commands/Test.php b/app/Console/Commands/Test.php
index 9da9fd06..780a82c4 100644
--- a/app/Console/Commands/Test.php
+++ b/app/Console/Commands/Test.php
@@ -98,8 +98,8 @@ class Test extends Command
      */
     public function handle()
     {
-        $str = "abc";
-        $diff = strstr($str, ",", true);
+        $interval = 100;
+        $diff = sprintf("*/%d * * * *", ceil($interval/60));
         dd($diff);
     }
 
diff --git a/app/Console/Kernel.php b/app/Console/Kernel.php
index f13c9938..d7db3ca9 100644
--- a/app/Console/Kernel.php
+++ b/app/Console/Kernel.php
@@ -61,7 +61,7 @@ class Kernel extends ConsoleKernel
             $interval = 7200;
         }
         $schedule->job(new CheckCleanup())
-            ->cron(sprintf("*/%d * * * *", intval($interval/60)))
+            ->cron(sprintf("*/%d * * * *", ceil($interval/60)))
             ->withoutOverlapping();
     }
 }