diff --git a/internal/seckill/scheduler.go b/internal/seckill/scheduler.go
index 4971384..41c2db3 100644
--- a/internal/seckill/scheduler.go
+++ b/internal/seckill/scheduler.go
@@ -33,7 +33,7 @@ const (
 	seckillMaxDuration  = 75 * time.Second
 	behaviorCooldown    = 5 * time.Second
 	clickFastCooldown   = 3 * time.Second
-	internalAdvance     = 100 * time.Millisecond
+	internalAdvance     = 50 * time.Millisecond
 	maxCooldownCount    = 5
 )