服务商，使用进件接口调用进件，参与优惠费率活动及调整费率，进件提交成功。但优惠费率没有效果。

请问是什么原因？

//结算规则
"settlement_info" => [
    // 入驻结算规则ID
    "settlement_id" => "719",
    "qualification_type" => "零售批发/生活娱乐/其他",
    "activities_id" => "20191030111cff5b5e",
    "activities_rate" => "0.3"
],