diff --git a/def.go b/def.go
index 51c9c69..3e36bbe 100644
--- a/def.go
+++ b/def.go
@@ -21,7 +21,7 @@ type TGCommand struct {
 
 type ChatWarsCallback struct {
 	Name string `json:"name"`
-	Data string `json:"data"`
+	Data []byte `json:"data"`
 }
 
 type ChatWarsMessage struct {
diff --git a/td.go b/td.go
index 3f02f1c..d24b71b 100644
--- a/td.go
+++ b/td.go
@@ -77,7 +77,13 @@ func ListenTG(c *tdlib.Client) {
 					rm := updateMsg.Message.ReplyMarkup.(*tdlib.ReplyMarkupInlineKeyboard)
 					for k1, v1 := range rm.Rows {
 						for k2, v2 := range v1 {
-							fmt.Printf("ReplyMarkupInlineKeyboard[%d][%d][%s] : %s\n", k1, k2, v2.Type.GetInlineKeyboardButtonTypeEnum(), v2.Text)
+							if v2.Type.GetInlineKeyboardButtonTypeEnum() == tdlib.InlineKeyboardButtonTypeCallbackType {
+								cwcb := ChatWarsCallback{
+									Name: v2.Text,
+									Data: v2.(*tdlib.InlineKeyboardButtonTypeCallback).Data,
+								}
+								fmt.Printf("ReplyMarkupInlineKeyboard : %s => %s\n", cwcb.Name, string(cwcb.Data))
+							}
 						}
 					}
 				}