{
"couponName": "代金券名称1",
"type": "ACTIVITY",
"displayAmount": 362.1,
"effectiveDays": 91
}curl --location --request POST '/backend/coupon/admin/add' \
--header 'Content-Type: application/json' \
--data-raw '{
"couponName": "代金券名称1",
"type": "ACTIVITY",
"displayAmount": 362.1,
"effectiveDays": 91
}'{
"code": 1001,
"message": "操作成功"
}