var _appid = "wx53fd7a28635ff1c7";var _timestamp = "1748144530";var _nonceStr = "sKuB5tVYMRaOkm7d";var _signature = "77a50c1615b7cd6fad69e2fc3b9fa392993e4f6a";var _url = "https://culturechina.cn/ch/15";