diff --git a/rlock.go b/rlock.go
index a46eb07..178e93c 100644
--- a/rlock.go
+++ b/rlock.go
@@ -161,13 +161,10 @@ func (r *RLock) renewExpirationSchedulerGoroutine(cancel context.Context, goid u
 }
 
 func (r *RLock) cancelExpirationRenewal(goid uint64) {
-	fmt.Println("cancel gitid", goid)
 	entryName := r.g.getEntryName(r.Key)
-	fmt.Println("cancel entryName", entryName)
 
 	entry, ok := r.g.RenewMap.Get(entryName)
 	if !ok {
-		fmt.Println("cancel not found", entryName)
 		return
 	}
 	task := entry.(*RenewEntry)
@@ -179,7 +176,6 @@ func (r *RLock) cancelExpirationRenewal(goid uint64) {
 		if task.cancelFunc != nil {
 			task.cancelFunc()
 			task.cancelFunc = nil
-			fmt.Println("call cancel function", entryName)
 		}
 		r.g.RenewMap.Remove(entryName)
 	}
diff --git a/rlock_test.go b/rlock_test.go
index df179ae..804b57c 100644
--- a/rlock_test.go
+++ b/rlock_test.go
@@ -119,3 +119,21 @@ func TestPub(t *testing.T) {
 	rdb.Publish(context.Background(), "123-channel", "123")
 
 }
+
+func TestReLock(t *testing.T) {
+	rdb := redis.NewClient(&redis.Options{
+		Addr:     "localhost:6379",
+		Password: "", // no password set
+		DB:       0,  // use default DB
+	})
+
+	g := NewGodisson(rdb)
+
+	lock1 := g.NewRLock("hkn")
+	t.Log(lock1.TryLock(-1, 30000))
+	time.Sleep(10 * time.Second)
+
+	lock2 := g.NewRLock("hkn")
+	t.Log(lock2.TryLock(-1, -1))
+
+}