diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Interceptors/WechatApiSecurityApiInterceptor.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Interceptors/WechatApiSecurityApiInterceptor.cs
index c4b7e366..fbc27bb1 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Interceptors/WechatApiSecurityApiInterceptor.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Interceptors/WechatApiSecurityApiInterceptor.cs
@@ -98,7 +98,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Interceptors
 
         public WechatApiSecurityApiInterceptor(string baseUrl, string appId, string symmetricAlg, string symmetricNum, string symmetricEncodingKey, string asymmetricAlg, string asymmetricNum, string asymmetricPrivateKey, Func<string, bool>? customRequestPathMatcher)
         {
-            _baseUrl = baseUrl;
+            _baseUrl = baseUrl.TrimEnd('/');
             _appId = appId;
             _symmetricAlg = symmetricAlg;
             _symmetricNum = symmetricNum;
diff --git a/src/SKIT.FlurlHttpClient.Wechat.OpenAI/Interceptors/WechatOpenAIRequestEncryptionInterceptor.cs b/src/SKIT.FlurlHttpClient.Wechat.OpenAI/Interceptors/WechatOpenAIRequestEncryptionInterceptor.cs
index fd671e2e..8995c518 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.OpenAI/Interceptors/WechatOpenAIRequestEncryptionInterceptor.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.OpenAI/Interceptors/WechatOpenAIRequestEncryptionInterceptor.cs
@@ -28,7 +28,7 @@ namespace SKIT.FlurlHttpClient.Wechat.OpenAI.Interceptors
 
         public WechatOpenAIRequestEncryptionInterceptor(string baseUrl, string encodingAESKey, Func<string, bool>? customEncryptedRequestPathMatcher)
         {
-            _baseUrl = baseUrl;
+            _baseUrl = baseUrl.TrimEnd('/');
             _encodingAESKey = encodingAESKey;
             _customEncryptedRequestPathMatcher = customEncryptedRequestPathMatcher;
         }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/ExtendedSDK/SpecialApi/Interceptors/WechatWorkSpecialApiRequestSigningInterceptor.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/ExtendedSDK/SpecialApi/Interceptors/WechatWorkSpecialApiRequestSigningInterceptor.cs
index 84511f59..a9b662e4 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/ExtendedSDK/SpecialApi/Interceptors/WechatWorkSpecialApiRequestSigningInterceptor.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/ExtendedSDK/SpecialApi/Interceptors/WechatWorkSpecialApiRequestSigningInterceptor.cs
@@ -1,13 +1,13 @@
 using System;
 using System.Linq;
 using System.Net.Http;
+using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using Flurl.Http;
 
 namespace SKIT.FlurlHttpClient.Wechat.Work.ExtendedSDK.SpecialApi.Interceptors
 {
-    using System.Text;
     using SKIT.FlurlHttpClient;
     using SKIT.FlurlHttpClient.Internal;
     using SKIT.FlurlHttpClient.Wechat.Work.ExtendedSDK.SpecialApi;