mchid="16*****70",nonce_str="TvATKj*****************99dU4QEAb",signature="sDSMPKigBtfT7Xb4jkFC6K5dcH013zyyKbEkhv+NEOUn3rmVEmLlD2kGXWmo9HChC1duhQy96i4hYsB1nd3**************************oHOttq7+3d0CzBne8wzpD1C+OuD9lXRqa5/8JadjsmcImkF7Jl0W8Mg1N6GAsF3B34IaAFbeMIzfgdLof7MDzMi87Ri/N+BDXSCSfb8e9jjn5zGWrY1b0DEX4h7VrtIIiYrg3mXMcQgeWDP50uOaAqlDBCj1ObXuLl8M6iWsuYYvgOkU16n12i0B5+n9RVbIUBkKK31v7Jg==",timestamp="1647860875",serial_no="3BF3D**********************4E43B74C"

按照官方文档写的，还是报401。