diff --git a/src/SKIT.FlurlHttpClient.Wechat.OpenAI/SKIT.FlurlHttpClient.Wechat.OpenAI.csproj b/src/SKIT.FlurlHttpClient.Wechat.OpenAI/SKIT.FlurlHttpClient.Wechat.OpenAI.csproj
index f2871f29..302f6a76 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.OpenAI/SKIT.FlurlHttpClient.Wechat.OpenAI.csproj
+++ b/src/SKIT.FlurlHttpClient.Wechat.OpenAI/SKIT.FlurlHttpClient.Wechat.OpenAI.csproj
@@ -40,7 +40,6 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="JWT" Version="9.0.3" />
 		<PackageReference Include="SKIT.FlurlHttpClient.Common" Version="2.5.0" />
 	</ItemGroup>
 
diff --git a/src/SKIT.FlurlHttpClient.Wechat.OpenAI/Utilities/Internal/JwtUtility.cs b/src/SKIT.FlurlHttpClient.Wechat.OpenAI/Utilities/Internal/JwtUtility.cs
deleted file mode 100644
index 801eea45..00000000
--- a/src/SKIT.FlurlHttpClient.Wechat.OpenAI/Utilities/Internal/JwtUtility.cs
+++ /dev/null
@@ -1,27 +0,0 @@
-using System;
-using JWT;
-using JWT.Algorithms;
-using JWT.Serializers;
-using Newtonsoft.Json;
-
-namespace SKIT.FlurlHttpClient.Wechat.OpenAI.Utilities
-{
-    internal static class JwtUtility
-    {
-        private static readonly Lazy<IJwtEncoder> _encoder = new Lazy<IJwtEncoder>(() =>
-        {
-#pragma warning disable CS0618
-            IJwtAlgorithm algorithm = new HMACSHA256Algorithm();
-#pragma warning restore CS0618
-            IJsonSerializer serializer = new JsonNetSerializer(new JsonSerializer() { NullValueHandling = NullValueHandling.Ignore });
-            IBase64UrlEncoder urlEncoder = new JwtBase64UrlEncoder();
-            IJwtEncoder encoder = new JwtEncoder(algorithm, serializer, urlEncoder);
-            return encoder;
-        }, isThreadSafe: true);
-
-        public static string EncodeWithHS256(object payload, string secret)
-        {
-            return _encoder.Value.Encode(payload, secret);
-        }
-    }
-}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.OpenAI/WechatOpenAIClient.cs b/src/SKIT.FlurlHttpClient.Wechat.OpenAI/WechatOpenAIClient.cs
index 6b064fe5..ddedf0d7 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.OpenAI/WechatOpenAIClient.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.OpenAI/WechatOpenAIClient.cs
@@ -125,42 +125,5 @@ namespace SKIT.FlurlHttpClient.Wechat.OpenAI
                 throw new WechatOpenAIException(ex.Message, ex);
             }
         }
-
-        /// <summary>
-        /// 异步发起请求。
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <param name="flurlRequest"></param>
-        /// <param name="data"></param>
-        /// <param name="cancellationToken"></param>
-        /// <returns></returns>
-        public async Task<T> SendRequestWithUrlEncodedAsync<T>(IFlurlRequest flurlRequest, object? data = null, CancellationToken cancellationToken = default)
-            where T : WechatOpenAIResponse, new()
-        {
-            if (flurlRequest == null) throw new ArgumentNullException(nameof(flurlRequest));
-
-            try
-            {
-                if (data is WechatOpenAIRequest.Serialization.IEncryptedUrlEncoded)
-                {
-                    string jwt = Utilities.JwtUtility.EncodeWithHS256(payload: data, secret: Credentials.EncodingAESKey!);
-                    data = new { query = jwt };
-                }
-
-                using IFlurlResponse flurlResponse = await flurlRequest
-                    .WithClient(FlurlClient)
-                    .AllowAnyHttpStatus()
-                    .SendUrlEncodedAsync(flurlRequest.Verb, data, cancellationToken);
-                return await WrapResponseWithJsonAsync<T>(flurlResponse, cancellationToken);
-            }
-            catch (FlurlHttpTimeoutException ex)
-            {
-                throw new Exceptions.WechatOpenAIRequestTimeoutException(ex.Message, ex);
-            }
-            catch (FlurlHttpException ex)
-            {
-                throw new WechatOpenAIException(ex.Message, ex);
-            }
-        }
     }
 }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.OpenAI/WechatOpenAIRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.OpenAI/WechatOpenAIRequest.cs
index d8db83b2..ed3342cb 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.OpenAI/WechatOpenAIRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.OpenAI/WechatOpenAIRequest.cs
@@ -10,10 +10,6 @@ namespace SKIT.FlurlHttpClient.Wechat.OpenAI
             public interface IEncryptedXmlable
             {
             }
-
-            public interface IEncryptedUrlEncoded
-            {
-            }
         }
 
         /// <summary>
diff --git a/test/SKIT.FlurlHttpClient.Wechat.OpenAI.UnitTests/TestCase_JwtUtilityTests.cs b/test/SKIT.FlurlHttpClient.Wechat.OpenAI.UnitTests/TestCase_JwtUtilityTests.cs
deleted file mode 100644
index 84bb29d7..00000000
--- a/test/SKIT.FlurlHttpClient.Wechat.OpenAI.UnitTests/TestCase_JwtUtilityTests.cs
+++ /dev/null
@@ -1,26 +0,0 @@
-using Xunit;
-
-namespace SKIT.FlurlHttpClient.Wechat.OpenAI.UnitTests
-{
-    public class TestCase_JwtUtilityTests
-    {
-        [Fact(DisplayName = "测试用例：JWT HS256 编码")]
-        public void TestJwtEncodeWithHS256()
-        {
-            object payload = new
-            {
-                uid = "xjlsj33lasfaf",
-                data = new
-                {
-                    q = "在微信智言与微信智聆两大技术的支持下，微信AI团队推出了“微信对话开放平台”和“腾讯小微”智能硬件两大核心产品。微信支付团队最新发布的“微信青蛙Pro”在现场设置了体验区，让大家感受AI认脸的本事。"
-                }
-            };
-            string secret = "jWmYm7qr5nMoAUwZRjGtBxmz3KA1tkAj3ykkR6q2B2C";
-
-            string actualJwt = Utilities.JwtUtility.EncodeWithHS256(payload: payload, secret: secret);
-            string expectedJwt = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ1aWQiOiJ4amxzajMzbGFzZmFmIiwiZGF0YSI6eyJxIjoi5Zyo5b6u5L-h5pm66KiA5LiO5b6u5L-h5pm66IGG5Lik5aSn5oqA5pyv55qE5pSv5oyB5LiL77yM5b6u5L-hQUnlm6LpmJ_mjqjlh7rkuobigJzlvq7kv6Hlr7nor53lvIDmlL7lubPlj7DigJ3lkozigJzohb7orq_lsI_lvq7igJ3mmbrog73noazku7bkuKTlpKfmoLjlv4Pkuqflk4HjgILlvq7kv6HmlK_ku5jlm6LpmJ_mnIDmlrDlj5HluIPnmoTigJzlvq7kv6HpnZLom5lQcm_igJ3lnKjnjrDlnLrorr7nva7kuobkvZPpqozljLrvvIzorqnlpKflrrbmhJ_lj5dBSeiupOiEuOeahOacrOS6i-OAgiJ9fQ.8FeSvxKlIrbI6MCAaWGekB4sHGA8DeUxgVXiHa8ulJk";
-
-            Assert.Equal(expectedJwt, actualJwt, ignoreCase: true);
-        }
-    }
-}