diff --git a/pkg/gc/gc_test.go b/pkg/gc/gc_test.go
index f93fd94180f72938c16a701ebd5d5255dc62d66d..5a88ee9aa508ccef34682619762ff051990c3c34 100644
--- a/pkg/gc/gc_test.go
+++ b/pkg/gc/gc_test.go
@@ -138,7 +138,7 @@ func TestLoopGC(t *testing.T) {
 	registerOption.RecycleFunc = f2
 	err = gc.RegisterGC(registerOption)
 	assert.NilError(t, err)
-	time.Sleep(2 * time.Second)
+	time.Sleep(waitToBeCollected * time.Second)
 	d.RLock()
 	opts := d.opts
 	d.RUnlock()