app/Admin/Forms/SiteSetting.php   大约111-114行替换为下方内容


$this->file('recharge_apply_audio','充值提醒语音上传')->uniqueName()->saveFullUrl();
$this->file('withdraw_apply_audio','提款提醒语音上传')->uniqueName()->saveFullUrl();
$this->file('activity_apply_audio','活动申请语音上传')->uniqueName()->saveFullUrl();
$this->file('agent_apply_audio','代理申请语音上传')->uniqueName()->saveFullUrl();