private async Task LoadAsync(string postId)
        {
            CurrentUser = await _userManager.GetUserAsync(User);

            PurchasePost = await _purchaseService.GetActiveMissionById(postId);

            if (CurrentUser == null || postId == null || PurchasePost == null)
            {
                return;
            }
            StudentIdentityConfirmed = CurrentUser.StudentIdentityConfirmed;
            CurrentUserId            = CurrentUser.Id;
            PostId = PurchasePost.Id;
        }
        private async Task LoadAsync(string postId)
        {
            CurrentUser = await _userManager.GetUserAsync(User);

            ExpressPost = await _takeExpressService.GetActiveMissionById(postId);

            if (CurrentUser == null || postId == null || ExpressPost == null)
            {
                return;
            }
            ExpressCompanyList = await _expressCompanyListService.GetAllAsync();

            StudentIdentityConfirmed = CurrentUser.StudentIdentityConfirmed;
            CurrentUserId            = CurrentUser.Id;
            PostId = ExpressPost.Id;
        }