diff --git a/kernel/sql/queue.go b/kernel/sql/queue.go
index df9cfe9f2..c8528f850 100644
--- a/kernel/sql/queue.go
+++ b/kernel/sql/queue.go
@@ -128,11 +128,15 @@ func FlushQueue() {
 			return
 		}
 
-		if 16 < i && 0 == i%256 {
+		if 16 < i && 0 == i%128 {
 			runtime.GC()
 		}
 	}
 
+	if 128 < len(ops) {
+		runtime.GC()
+	}
+
 	elapsed := time.Now().Sub(start).Milliseconds()
 	if 5000 < elapsed {
 		logging.LogInfof("op tx [%dms]", elapsed)