/// <summary>
        /// 添加Polly支持
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="feignBuilder"></param>
        /// <param name="setup"></param>
        /// <returns></returns>
        public static T AddPolly <T>(this T feignBuilder, Action <FeignPollyOptions> setup) where T : IFeignBuilder
        {
            FeignPollyOptions options = new FeignPollyOptions();

            setup?.Invoke(options);
            return(feignBuilder.AddPolly(options));
        }
 /// <summary>
 /// 添加Polly支持
 /// </summary>
 /// <typeparam name="T"></typeparam>
 /// <param name="feignBuilder"></param>
 /// <param name="options"></param>
 /// <returns></returns>
 public static T AddPolly <T>(this T feignBuilder, FeignPollyOptions options) where T : IFeignBuilder
 {
     if (options == null)
     {
         options = new FeignPollyOptions();
     }
     feignBuilder.Options.FeignClientPipeline.Initializing += (sender, e) =>
     {
         IAsyncPolicy           asyncPolicy            = options.GetAsyncPolicy(e.FeignClient);
         PollyDelegatingHandler pollyDelegatingHandler = new PollyDelegatingHandler(asyncPolicy, e.HttpClient.Handler.InnerHandler);
         e.HttpClient.Handler.InnerHandler = pollyDelegatingHandler;
     };
     return(feignBuilder);
 }