调用AI表格新增记录的API的时，返回code为Missingrecords，不知道哪里有问题

消息体
{
"records": [
{
"fields": {
"楞型": "AB",
"客户简称": "测试",
"送货单": "SH5441",
"订单号": "1234",
"材质": "A535A",
"订单数": 10000,
"点数": 200
}
}
]
}

返回：
{
"code": "Missingrecords",
"requestid": "580AC66E-6678-72E8-A05D-C7C05E86C68B",
"message": "records is mandatory for this action."
}