微信退款报错：400 No required SSL certificate was sent。支付证书是绝对路径都能访问，权限我设置成0777了，可还是报错
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- Sample Dxplaination of Qualification Certificate: 小商店/Development/Capabilities/Commercial capabilities/Trading component/Operational Specification/Sample Dxplaination of Qualification Certificate
- Sample Dxplaination of Qualification Certificate: 小商店/Development/Capabilities/Commercial capabilities/Trading component/Operational Specification/Sample Dxplaination of Qualification Certificate
- 工作流实现微信支付退款场景: 微信支付/开发/云开发/开发指引/微信生态/微信支付/工作流实现退款场景
- 第 2 步：完成「申请退款」工作流的配置: 微信支付/开发/云开发/开发指引/微信生态/微信支付/工作流实现退款场景
- 查询退款: 小程序/开发/云托管/开发指引/微信支付/支付接口/查询退款
https://developers.weixin.qq.com/community/develop/doc/0002ee2d9a0e20b8ff6ac703a59400?_at=1594609159690