原小程序后台界面，是有绑定这个6277商户号的，误操作解绑定后，登录6277的服务商模式商家后台，添加关联appId重新进行绑定

小程序后台进行确认

点击确认，进入这个页面，点击授权，提示暂不支持该类型商户号绑定本AppID

导致问题，合单支付接口返回失败：

【请求地址】：https://api.mch.weixin.qq.com/v3/combine-transactions/jsapi

【请求数据】：{"combine_appid":"xxxx1fe","combine_mchid":"1609826277","combine_out_trade_no":"D76776731xxxxx","scene_info":{"payer_client_ip":"114.248.120.35"},"sub_orders":[{"mchid":"xxxx6277","attach":"D767767317196869","amount":{"total_amount":29900,"currency":"CNY"},"out_trade_no":"D767767317xxx","sub_mchid":"xxx4187","description":"星巴克春节限定顺风礼盒","settle_info":{"profit_sharing":true}}],"combine_payer_info":{"openid":"ogSsP4-zcy6CG024df2YgEG_wGBw"},"time_start":"2029-07-01T13:53:15+08:00","time_expire":"2026-01-28T13:53:15+08:00","notify_url":""}

【异常信息】：appid和mch_id不匹配，请检查后再试