AppID(小程序ID)

wx354781962e508a2d

https://api.weixin.qq.com/wxa/game/getbalance?access_token=67_MmBvouwVaSn3uu3hg28qcJe4pc1RMTiAkZgS0sZyvCxJEgoVdzFizDBP2MZikPe_uk63YvG7VZ7bVDEMioKcfHM0Xe8FUMyByryU72qZ2f_mylGO9tcwdrctppEPHQbABADVE&signature=2787f2a76b4695925f74560d464d566ce222376b239ca671f19d78ce6dc869a8&sig_method=hmac_sha256&pay_sig=8d531a7c5c3c191c7839eb90fd8d8c6c1327faadc5dbf94e45fac08cf957b441

{"errcode":90011,"errmsg":"[pay_sig] pay_sig is invalid traceid: 33582264, raw post_body(remove wrapped [])

对比签名计算的和返回的post_body的base64编码是一致，再说如果post_body要是有问题，就会返回90010登录用户签名signature错误了，

pay_sign的签名算法也没问题，求救这是什么原因？一直卡在这里pay_sig不通过