小程序可以直接开通卡券、会员卡功能吗？不通过在open平台绑定公众号AppId与小程序AppId的方式，

小程序已认证，找不到开通卡券功能的地方

加密用的是工具生成的 apiclient_cert.pem，签名的加密私钥用apiclient_key.pem 是哪里有问题吗？获取证书列表可以获取的到

通过这个接口https://api.mch.weixin.qq.com/v3/certificates获取平台证书列表，返回数据 serial_no 与后台登录看到的api序列号不一样，加密用的是工具生成的公钥，签名用的是api序列号，解密失败和这些有关系吗？

{"name":"全球加盟网","anchorname":"fsdfsad","anchorwechat":"wechathao","type":"0","screenType":"0","closelike":"0","closegoods":"0","closeComment":"0","startTtime":1598418363,"endTime":1598495643,"coverImg":"yLTVFp91I8nPYI29PckNXZQTL_nOECNTyz5P1M3KIaqf3T-AwqSg8mdrKXXYkwp-","anchorImg":"yLTVFp91I8nPYI29PckNXZQTL_nOECNTyz5P1M3KIaqf3T-AwqSg8mdrKXXYkwp-"} 上面是提交参数 下面是返回 {"errmsg":"parameter startTime or endTime is invalid rid: 5f45d31c-568e6b40-68352d0f","errcode":200002}

 "{"name":"全球加盟网","anchorname":"fsdfsad","anchorwechat":"wechathao","type":"0","screenType":"0","closelike":"0","closegoods":"0","closeComment":"0","startTtime":1598418363,"endTime":1598495643,"coverImg":"yLTVFp91I8nPYI29PckNXZQTL_nOECNTyz5P1M3KIaqf3T-AwqSg8mdrKXXYkwp-","anchorImg":"yLTVFp91I8nPYI29PckNXZQTL_nOECNTyz5P1M3KIaqf3T-AwqSg8mdrKXXYkwp-"}" 上面是提交的测试参数 返回"{"errmsg":"parameter startTime or endTime is invalid rid: 5f45d31c-568e6b40-68352d0f","errcode":200002}"