func Edit(r render.Render, req *http.Request, zc *zk.Conn) { data, _ := ioutil.ReadAll(req.Body) param := make(map[string]interface{}) json.Unmarshal(data, ¶m) path, _ := param["path"].(string) val, _ := param["value"].(string) err := zc.Edit(path, val) if err != nil { r.JSON(500, false) } else { r.JSON(200, true) } }