'integer', 'update_time' => 'integer', ]; public function getcoinAttr($value): ?float { return is_null($value) ? null : (float)$value; } public function channel(): \think\model\relation\BelongsTo { return $this->belongsTo(\app\common\model\Channel::class, 'channel_id', 'id'); } public function gameChannel(): \think\model\relation\BelongsTo { return $this->channel(); } public function admin(): \think\model\relation\BelongsTo { return $this->belongsTo(\app\admin\model\Admin::class, 'admin_id', 'id'); } }