【.netcore mvc】通过后端【Redirect】进行页面跳转，url中带有中文导致跳转失败

报错信息：

An unhandled exception occurred while processing the request.

InvalidOperationException: Invalid non-ASCII or control character in header: 0x6821

Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpHeaders.ThrowInvalidHeaderCharacter(char ch)

解决方案：             

 id = Uri.EscapeUriString(id);

        /// <summary>
        /// 链接跳转
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        [HttpGet("BPM/OpenUrl")]
        public IActionResult OpenUrl(string id)
        {
            string url_str;
            var host = _configuration.GetSetting("xxxxxx");
            if (!id.IsNullOrEmpty())
            {

                id = Uri.EscapeUriString(id);
                url_str = $"{host}{id}";
            }
            else {
                url_str = $"{host}";
            }
            return Redirect(url_str);
        }