add new field

dao/db.go

@@ -164,8 +164,8 @@ func (d *Dao) GetHistoryInfo(user string) (history apiModel.History, err error)
 			Token:        event.FromToken,
 			TokenSymbol:  tokenInfo.Symbol,
 			UrlSource:    fromChain.Explorer + "/tx/" + event.FromChainTxHash,
-
 			Status:       constant.TransferStatus(event.ToChainStatus).String(),
+			FeeAmount:    event.FeeAmount,
 			ConfirmCount: len(event.ConfirmedValidators),
 			RejectCount:  len(event.RejectedValidators),
 		}