async def upload_file(ns={}):
    import os
    import base64
    import datetime

    file_name = ns.get('file_name')
    file_content = ns.get('file_content') or ns.get('file_base64')
    storage_type = ns.get('storage_type', 'local')

    if not file_name:
        return {
            'status': False,
            'msg': '请传递file_name'
        }
    if not file_content:
        return {
            'status': False,
            'msg': '请传递file_content'
        }
    if storage_type != 'local':
        return {
            'status': False,
            'msg': '暂不支持该存储类型'
        }

    safe_file_name = os.path.basename(file_name).replace('\\', '').replace('/', '')
    if not safe_file_name:
        return {
            'status': False,
            'msg': 'file_name错误'
        }

    try:
        if ',' in file_content and file_content.split(',', 1)[0].startswith('data:'):
            file_content = file_content.split(',', 1)[1]
        file_bytes = base64.b64decode(file_content)
    except Exception as e:
        return {
            'status': False,
            'msg': '文件内容解析失败, %s' % str(e)
        }

    now_date = datetime.datetime.now()
    date_path = now_date.strftime('%Y/%m/%d')
    relative_path = '%s/%s' % (date_path, safe_file_name)
    base_path = '/data'
    save_dir = os.path.join(base_path, now_date.strftime('%Y'), now_date.strftime('%m'), now_date.strftime('%d'))
    save_path = os.path.join(save_dir, safe_file_name)

    try:
        if not os.path.exists(save_dir):
            os.makedirs(save_dir)
        with open(save_path, 'wb') as f:
            f.write(file_bytes)
        return {
            'status': True,
            'msg': 'upload success',
            'data': {
                'storage_type': storage_type,
                'file_name': safe_file_name,
                'file_path': relative_path,
                'save_path': save_path,
                'file_size': len(file_bytes)
            }
        }
    except Exception as e:
        return {
            'status': False,
            'msg': '文件保存失败, %s' % str(e)
        }

ret = await upload_file(params_kw)
return ret