{\"code\":\"SIGN_ERROR\",\"detail\":{\"detail\":{\"issue\":\"sign not match\"},\"field\":\"signature\",\"location\":\"authorization\",\"sign_information\":{\"method\":\"POST\",\"sign_message_length\":354,\"truncated_sign_message\":\"POST\\n/v3/pay/transactions/jsapi\\n1611281437\\n3jki2voixu54opg1\\n{\\\"amount\\n\",\"url\":\"/v3/pay/transactions/jsapi\"}},\"message\":\"错误的签名，验签失败\"}"
您好，V3签名问题请参考这个哈https://developers.weixin.qq.com/community/develop/doc/000c46d5d481804ba98bec90356809