public override async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
    {
        IAuditStore    auditStore       = null;
        AuditOperation auditedOperation = null;

        // 必须保证审计和业务用的是不同的 DbContext 不然,会导致数据异常入库
        using var scope = context.HttpContext.RequestServices.CreateScope();

        if (Conts.MethodDict.ContainsKey(context.HttpContext.Request.Method))
        {
            auditStore = scope.ServiceProvider.GetService <IAuditStore>();
            if (auditStore == null)
            {
                throw new MicroserviceFrameworkException("AuditStore is not registered");
            }

            var ua          = context.HttpContext.Request.Headers["User-Agent"].ToString();
            var ip          = context.GetRemoteIpAddress();
            var url         = context.HttpContext.Request.GetDisplayUrl();
            var deviceId    = context.HttpContext.Request.Query["deviceId"].ToString();
            var deviceModel = context.HttpContext.Request.Query["deviceId"].ToString();
            var lat         = context.HttpContext.Request.Query["lat"].ToString();
            var lng         = context.HttpContext.Request.Query["lng"].ToString();
            auditedOperation = new AuditOperation(
                $"{context.HttpContext.Request.Method} {url}", ua, ip,
                string.IsNullOrEmpty(deviceModel) ? null : deviceModel,
                string.IsNullOrEmpty(deviceId) ? null : deviceId,
                double.TryParse(lat, out var a) ? a : null, double.TryParse(lng, out var n) ? n : null);

            auditedOperation.SetCreation(
                context.HttpContext.User.Identity is { IsAuthenticated: true } and ClaimsIdentity identity
                    ? identity.GetUserId()
                    : string.Empty);

            context.HttpContext.Items.Add("___AuditOperation", auditedOperation);
        }

        await base.OnActionExecutionAsync(context, next);

        // comment: 必须使用 HTTP request scope 的 uow manager 才能获取到审计对象
        // comment: 只有有变化的数据才会尝试获取变更对象
        if (auditStore != null &&
            Conts.MethodDict.ContainsKey(context.HttpContext.Request.Method))
        {
            var unitOfWork = context.HttpContext.RequestServices.GetService <IUnitOfWork>();
            if (unitOfWork != null)
            {
                auditedOperation.AddEntities(unitOfWork.GetAuditEntities());
            }

            auditedOperation.End();
            await auditStore.AddAsync(auditedOperation);

            await auditStore.FlushAsync();
        }
    }