diff --git a/app/Observers/BalanceObserver.php b/app/Observers/BalanceObserver.php
index a2d2534..e581fc4 100644
--- a/app/Observers/BalanceObserver.php
+++ b/app/Observers/BalanceObserver.php
@@ -12,7 +12,7 @@ public function creating(Balance $balance): void
     {
         $balance->remaining_amount = 0;
 
-        $balance->order_id = date('YmdHis').'-'.$balance->id.'-'.$balance->user_id.'-'.rand(1000, 9999);
+        $balance->order_id = date('YmdHis').'-'.$balance->user_id.'-'.rand(1000, 9999);
     }
 
     public function created(Balance $balance): void