问Asp.Net核心剃刀页面异常处理会中断应用程序

EN

if(env.IsDevelopment())
{
    //app.UseDeveloperExceptionPage(new DeveloperExceptionPageOptions {
    //    SourceCodeLineCount = 2
    //});
    //app.UseDatabaseErrorPage();
    app.UseExceptionHandler("/Error");
    app.UseStatusCodePagesWithReExecute("/Error/{0}");
    app.UseExceptionMiddleware();
} else {...}

public ExceptionMiddleware(RequestDelegate next,IMailService emailSender)
{
    _next = next;
    _emailSender = emailSender;
}

public async Task InvokeAsync(HttpContext context)
{
    try
    {
        await _next(context);
    } catch(Exception ex)
    {
        EmailException(context,ex);
    }
}

private async void EmailException(HttpContext context,Exception ex)
{
    var uaString = context.Request.Headers["User-Agent"].ToString();
    var ipAnonymizedString = context.Connection.RemoteIpAddress.AnonymizeIP();
    var userId = "Unknown";
    var profileId = "Unknown";
    if(context.User.Identity.IsAuthenticated)
    {
        userId = context.User.FindFirstValue(ClaimTypes.NameIdentifier);
        profileId = context.User.GetUserClaim(ClaimsKey.ProfileId);
    }

    var sb = new StringBuilder($"An error has occurred on {context.Request.Host}. \r\n \r\n");
    sb.Append($"Path = {context.Request.Path} \r\n \r\n");
    sb.Append($"Error Message = {ex.Message} \r\n");
    sb.Append($"Error Source = {ex.Source} - {profileId} \r\n");

    if(ex.InnerException != null)
    {
        sb.Append($"Inner Exception = {ex.InnerException.ToString()} \r\n");
    } else
    {
        sb.Append("Inner Exception = null \r\n");
    }

    sb.Append($"Error StackTrace = {ex.StackTrace} \r\n");

    await _emailSender.SendMasterEmailAsync($"Error on {context.Request.Host}.",sb.ToString(),uaString,ipAnonymizedString,userId);

    throw ex;
}

public void OnGet()
{
    throw new Exception();
}