diff --git a/common.go b/common.go
index 7bae0a3..27072f2 100644
--- a/common.go
+++ b/common.go
@@ -22,6 +22,10 @@ type MsgBody struct {
 	Memo       string
 }
 
+type MsgSend struct {
+	Id string
+}
+
 func rpc_server_conn(url ...string) (*MsgRpcServiceClient, error) {
 
 	var wx_rpc_url string = "127.0.0.1:" + conf.MSG_RPC_PORT