问异步任务post方法WebAPI控制器

EN

public async Task<IHttpActionResult> Post([FromBody]Menu m)
{
    using (MySqlConnection con = new MySqlConnection(""))
    using (MySqlCommand cmd = new MySqlCommand("Insert into Menu (Description,LanguageId,IsActive) values (@Description,@LanguageId,@IsActive) ", con))
    {
        try
        {
            if (con.State == ConnectionState.Closed)
            {
                await con.OpenAsync();
                cmd.Parameters.AddWithValue("@Description", m.Description);
                cmd.Parameters.AddWithValue("@LanguageId", m.LanguageId);
                cmd.Parameters.AddWithValue("@IsActive", m.IsActive);
                await cmd.ExecuteNonQueryAsync();
            }
        }
        catch (MySqlException ex)
        {
            return Content(HttpStatusCode.NotFound,ex);
        }
        finally
        {
           await  con.CloseAsync();
        }
        return Ok("Inserted Succesfully");
    }
}