diff --git a/chain_test.go b/chain_test.go
index 596bdd5..6d5a4e2 100644
--- a/chain_test.go
+++ b/chain_test.go
@@ -82,13 +82,12 @@ func TestClient_ChainGetParentMessages(t *testing.T) {
 	t.Log(len(pms))
 	for _, pm := range pms {
 		address.CurrentNetwork = address.Mainnet
-		cid := pm.Cid.Cid
 		from := pm.Message.From.String()
 		to := pm.Message.To.String()
 		value := pm.Message.Value
-		t.Log(cid)
+		t.Log(pm.Cid.String())
 		t.Log(from)
 		t.Log(to)
-		t.Log(value)
+		t.Log(ToFil(value).String())
 	}
 }
diff --git a/types/message.go b/types/message.go
index efebfae..6c780d2 100644
--- a/types/message.go
+++ b/types/message.go
@@ -26,14 +26,10 @@ type Message struct {
 }
 
 type ParentMessage struct {
-	Cid     Cid     `json:"Cid"`
+	Cid     cid.Cid `json:"Cid"`
 	Message Message `json:"Message"`
 }
 
-type Cid struct {
-	Cid string `json:"/"`
-}
-
 func (m *Message) Caller() address.Address {
 	return m.From
 }