https://developer.toutiao.com/api/apps/ecpay/v1/create_order
报签名错误
参数：
{
"app_id": "tta9dedf6336ef66a801",
"out_order_no": "20240427140434220_yjhb0qfm",
"total_amount": 1,
"cp_extra": "73439351563837463410",
"valid_time": 900,
"notify_url": "https://www.zxdkxl.com/cy/apis/notify/tt",
"subject": "充值0.01元得40尧币",
"body": "充值0.01元得40尧币",
"sign": "8092ea44ec53c115ae46df5fa035d3a5"
}
报签名错误
我设置的签名串为："{body}&{cp_extra}&{notify_url}&{out_order_no}&{salt}&{subject}&{total_amount}&{valid_time}"
生成的签名是“fbd171eca3ae9f91dcc2a2c2a5bf97e4”，与工具生成的签名“3360e421830c4e082dbda0fbdba53ec6”不一样
是哪里出错了吗