kefu/app/admin/model/KefuWork.php

<?php

namespace app\admin\model;

use app\BaseModel;

class KefuWork extends BaseModel
{
    
    public static function addNum($admin_id, $field) {
        $info = self::where('admin_id', $admin_id)->where("created_at", '>=', date("Y-m-d"))->find();
        if (!$info) {
            $info = self::create([
                'admin_id' => $admin_id,
                $field => 1,
            ]);
        } else {
            $info->$field += 1;
            $info->save();
        }
        return true;
    }
}