diff --git a/platformapi/mtwmapi/callback.go b/platformapi/mtwmapi/callback.go
index f9441f4b..861bddff 100644
--- a/platformapi/mtwmapi/callback.go
+++ b/platformapi/mtwmapi/callback.go
@@ -59,8 +59,11 @@ func (a *API) GetCallbackMsg(request *http.Request) (msg *CallbackMsg, callbackR
 	cmd := strings.Trim(request.URL.EscapedPath(), "/")
 	cmd = cmd[strings.LastIndex(cmd, "/")+1:]
 	msg = &CallbackMsg{
-		Cmd:  cmd,
-		Data: request.PostForm,
+		Cmd: cmd,
+	}
+	msg.Data = make(url.Values)
+	for k, v := range data {
+		msg.Data.Set(k, v.(string))
 	}
 	return msg, nil
 }