调用的门店退款接口：https://api.weixin.qq.com/cgi-bin/express/intracity/storerefund?access_token={ACCESS_TOKEN} 返回{"code":-10001,"message":"Undefined index: Wechatmp-TimeStamp","data":"","timestamp":1695685678}，这个接口是需要额外配置吗？还是我请求不对吗？麻烦帮忙看下
Array
(
[1] => {"iv":"PjoTii7VUApU\/+T\/","data":"EOHw9qowRy40yEBmaWN4p8ihS7d74eoJgyyEA\/WcPvdNvDSlofgnUrniU2lcKeRkOFZx7jlodcmudN8Ry2UZXcM2pIhgJpXkxMohBsdRwQsu177\/bH+Z0tTCOh2us3Ucej8dxKOC5CcoBlVeliqchYgFoh233Ql3aedFQk5ogUVq5HndNZIWY1zY1n\/DoYesi3vUWA==","authtag":"r4Qj7Seghec4hU4pwLXX2w=="}
[2] => Array
(
[0] => Wechatmp-Appid:wxaa2f26baca7e***
[1] => Wechatmp-TimeStamp:1695685992
[2] => Wechatmp-Signature:VV4UTF/OcyvhuJEOyTunRe3jyoexqtyh1VZtxjmnPsl8tvDlebXVz5+UZ5kW0uYFpfqBYhl8W7jkjmlgL8TiCIXVOYCbGq6/k0DhcUoOpuJAUBXoOkx2hH4bqugaOywp9+gzCwP0U2mRnlj8a1Hq6HJ/lZSiDhb1IzEvopj5voNGVNWJ6hkrPui7pjaejJOPVSEzoHqDD0/fH2ZzhjqQHf9lNDVyzG3r/ocErVki+Sns1m3G6o30epIcBaglRgikpRfI+nfcWTM53fbMoSDLwtbfVClhQ5PMpRM2cqzIewbJkHqqHQdQzUD/qfxtN5xB40rJxj3P7wpxdK9scyuDuA==
)
)
相同的加密验签配置，请求预下单，下单 门店充值 和 运费下单接口都可以的。
这个报错信息应该是你自己的程序返回的信息，Undefined index: Wechatmp-TimeStamp，是Wechatmp-TimeStamp这个参数没传吗
[1] => {"iv":"WqAMqcai6AHWV81s","data":"FSZCh3QHEFWSd5wesT954HdpNlyLJEN80xG70nnBEKTkqcMZIQXq9zY8Z7yGBK+5sg\/ioAkBkbKfVaF39RCl3gKhw38i1PYPwpkDG044gVfjSXP90Cp5Tt+mtIK9+OW1WBrfage+eQSTbgoQwVn2jJq9o8Y0PvudHJEKvSdMeFnVhc7ic4Sp7YpsW9EZ+fHk55LL","authtag":"tLILVNc3pCVBYuUQ7ahGOg=="}
[2] => Array
(
[0] => Wechatmp-Appid:wxaa2f26baca7e9d2e
[1] => Wechatmp-TimeStamp:1695885734
[2] => Wechatmp-Signature:PCUNyO2Vbn89/JdfkS8ASo3iO/TyhtT8prls8VdsDtum3DZNPu42KltL/ei3Vnz6W9uTRgciHTKB3J2U1xgB0rRzQpSROklqV0oac7VVSraENpMsf2m/xzhh192kYOy52MFWZiKKlzXuU4eq/adNZNej6sigIXkinH+EmUf+p0mmQ6zCbY8FqYuV9N406j/g0oQEBevycpddLY82nWALpg8JpBlLGQ3V2HkZpMl4NVAACw9en94WR2xvaFVUllPmWIk4n1rc0G3R2lFgWu1OevtY3ocOTJ0GTOSaKhDhGDA/U6JfW1B6dDa41SoycRYAUVeUXJXLuCLWr41cII6eOw==
)
[3] => Array
(
[body] =>
[header] =>
)
这是刚打印的请求参数