{"code":"SIGN_ERROR","detail":{"detail":{"issue":"sign not

match"},"field":"signature","location":"authorization","sign_information":{"method":"POST","sign_message_length":85,"truncated_sign_message":"POST\n/v3/ecommerce/profitsharing/orders\n1592016574\nHwa2T9ttFaMVycFuFfoTLY2sJArqE5aM\n\n","url":"/v3/ecommerce/profitsharing/orders"}},"message":"错误的签名，验签失败"}

同样的方法别的支付接口可以，为什么这个就不行？有没有DEMO php的，已经测试3天了，各种猜测，能不能放个demo出来？