diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteSnsExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteSnsExtensions.cs
index 198a0c02..ab362634 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteSnsExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteSnsExtensions.cs
@@ -151,13 +151,67 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
             IFlurlRequest flurlReq = client
                 .CreateRequest(request, HttpMethod.Get, "sns", "component", "jscode2session")
                 .SetQueryParam("grant_type", request.GrantType)
+                .SetQueryParam("js_code", request.JsCode)
                 .SetQueryParam("appid", request.AppId)
                 .SetQueryParam("component_appid", request.ComponentAppId)
-                .SetQueryParam("component_access_token", request.ComponentAccessToken)
-                .SetQueryParam("js_code", request.JsCode);
+                .SetQueryParam("component_access_token", request.ComponentAccessToken);
 
             return await client.SendRequestWithJsonAsync<Models.SnsComponentJsCode2SessionResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
         }
+
+        /// <summary>
+        /// <para>异步调用 [GET] /sns/oauth2/component/access_token 接口。</para>
+        /// <para>REF: https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/2.0/api/Before_Develop/Official_Accounts/official_account_website_authorization.html </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.SnsOAuth2ComponentAccessTokenResponse> ExecuteSnsOAuth2ComponentAccessTokenAsync(this WechatApiClient client, Models.SnsOAuth2ComponentAccessTokenRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            if (request.ComponentAppId == null)
+                request.ComponentAppId = client.Credentials.AppId;
+
+            IFlurlRequest flurlReq = client
+                .CreateRequest(request, HttpMethod.Get, "sns", "oauth2", "component", "access_token")
+                .SetQueryParam("grant_type", request.GrantType)
+                .SetQueryParam("code", request.Code)
+                .SetQueryParam("appid", request.AppId)
+                .SetQueryParam("component_appid", request.ComponentAppId)
+                .SetQueryParam("component_access_token", request.ComponentAccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.SnsOAuth2ComponentAccessTokenResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
+
+        /// <summary>
+        /// <para>异步调用 [GET] /sns/oauth2/component/refresh_token 接口。</para>
+        /// <para>REF: https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/2.0/api/Before_Develop/Official_Accounts/official_account_website_authorization.html </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.SnsOAuth2ComponentRefreshTokenResponse> ExecuteSnsOAuth2ComponentRefreshTokenAsync(this WechatApiClient client, Models.SnsOAuth2ComponentRefreshTokenRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            if (request.ComponentAppId == null)
+                request.ComponentAppId = client.Credentials.AppId;
+
+            IFlurlRequest flurlReq = client
+                .CreateRequest(request, HttpMethod.Get, "sns", "oauth2", "component", "refresh_token")
+                .SetQueryParam("grant_type", request.GrantType)
+                .SetQueryParam("refresh_token", request.RefreshToken)
+                .SetQueryParam("appid", request.AppId)
+                .SetQueryParam("component_appid", request.ComponentAppId)
+                .SetQueryParam("component_access_token", request.ComponentAccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.SnsOAuth2ComponentRefreshTokenResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
         #endregion
     }
 }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsComponentJsCode2SessionRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsComponentJsCode2SessionRequest.cs
index 84477e2e..4e635d10 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsComponentJsCode2SessionRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsComponentJsCode2SessionRequest.cs
@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [GET] /sns/component/jscode2session 接口的请求。</para>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsOAuth2ComponentAccessTokenRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsOAuth2ComponentAccessTokenRequest.cs
new file mode 100644
index 00000000..ecc98f91
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsOAuth2ComponentAccessTokenRequest.cs
@@ -0,0 +1,29 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [GET] /sns/oauth2/component/access_token 接口的请求。</para>
+    /// </summary>
+    public class SnsOAuth2ComponentAccessTokenRequest : SnsOAuth2AccessTokenRequest
+    {
+        /// <summary>
+        /// 获取或设置微信 AppId。
+        /// </summary>
+        [Newtonsoft.Json.JsonIgnore]
+        [System.Text.Json.Serialization.JsonIgnore]
+        public string AppId { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置第三方平台 AppId。如果不指定将使用构造 <see cref="WechatApiClient"/> 时的 <see cref="WechatApiClientOptions.AppId"/> 参数。
+        /// </summary>
+        [Newtonsoft.Json.JsonIgnore]
+        [System.Text.Json.Serialization.JsonIgnore]
+        public string? ComponentAppId { get; set; }
+
+        /// <summary>
+        /// 获取或设置第三方平台 AccessToken。
+        /// </summary>
+        [Newtonsoft.Json.JsonIgnore]
+        [System.Text.Json.Serialization.JsonIgnore]
+        public string ComponentAccessToken { get; set; } = string.Empty;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsOAuth2ComponentAccessTokenResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsOAuth2ComponentAccessTokenResponse.cs
new file mode 100644
index 00000000..c008426c
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsOAuth2ComponentAccessTokenResponse.cs
@@ -0,0 +1,9 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [GET] /sns/oauth2/component/access_token 接口的响应。</para>
+    /// </summary>
+    public class SnsOAuth2ComponentAccessTokenResponse : SnsOAuth2AccessTokenResponse
+    {
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsOAuth2ComponentRefreshTokenRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsOAuth2ComponentRefreshTokenRequest.cs
new file mode 100644
index 00000000..0e0daac0
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsOAuth2ComponentRefreshTokenRequest.cs
@@ -0,0 +1,29 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [GET] /sns/oauth2/component/refresh_token 接口的请求。</para>
+    /// </summary>
+    public class SnsOAuth2ComponentRefreshTokenRequest : SnsOAuth2RefreshTokenRequest
+    {
+        /// <summary>
+        /// 获取或设置微信 AppId。
+        /// </summary>
+        [Newtonsoft.Json.JsonIgnore]
+        [System.Text.Json.Serialization.JsonIgnore]
+        public string AppId { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置第三方平台 AppId。如果不指定将使用构造 <see cref="WechatApiClient"/> 时的 <see cref="WechatApiClientOptions.AppId"/> 参数。
+        /// </summary>
+        [Newtonsoft.Json.JsonIgnore]
+        [System.Text.Json.Serialization.JsonIgnore]
+        public string? ComponentAppId { get; set; }
+
+        /// <summary>
+        /// 获取或设置第三方平台 AccessToken。
+        /// </summary>
+        [Newtonsoft.Json.JsonIgnore]
+        [System.Text.Json.Serialization.JsonIgnore]
+        public string ComponentAccessToken { get; set; } = string.Empty;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsOAuth2ComponentRefreshTokenResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsOAuth2ComponentRefreshTokenResponse.cs
new file mode 100644
index 00000000..2d871881
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Sns/Component/SnsOAuth2ComponentRefreshTokenResponse.cs
@@ -0,0 +1,9 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [GET] /sns/oauth2/component/refresh_token 接口的响应。</para>
+    /// </summary>
+    public class SnsOAuth2ComponentRefreshTokenResponse : SnsOAuth2RefreshTokenResponse
+    {
+    }
+}