diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Extensions/WechatWorkClientExecuteCgibinDepartmentExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Extensions/WechatWorkClientExecuteCgibinDepartmentExtensions.cs
index b99d1197..aa91d39c 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/Extensions/WechatWorkClientExecuteCgibinDepartmentExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Extensions/WechatWorkClientExecuteCgibinDepartmentExtensions.cs
@@ -102,5 +102,51 @@ namespace SKIT.FlurlHttpClient.Wechat.Work
 
             return await client.SendRequestWithJsonAsync<Models.CgibinDepartmentListResponse>(flurlReq, cancellationToken: cancellationToken);
         }
+
+        /// <summary>
+        /// <para>异步调用 [GET] /cgi-bin/department/simplelist 接口。</para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/95350 </para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/95406 </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.CgibinDepartmentSimpleListResponse> ExecuteCgibinDepartmentSimpleListAsync(this WechatWorkClient client, Models.CgibinDepartmentSimpleListRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            IFlurlRequest flurlReq = client
+                .CreateRequest(request, HttpMethod.Get, "cgi-bin", "department", "simplelist")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            if (request.ParentDepartmentId != null)
+                flurlReq.SetQueryParam("id", request.ParentDepartmentId.Value);
+
+            return await client.SendRequestWithJsonAsync<Models.CgibinDepartmentSimpleListResponse>(flurlReq, cancellationToken: cancellationToken);
+        }
+
+        /// <summary>
+        /// <para>异步调用 [GET] /cgi-bin/department/get 接口。</para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/95351 </para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/95407 </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.CgibinDepartmentGetResponse> ExecuteCgibinDepartmentGetAsync(this WechatWorkClient client, Models.CgibinDepartmentGetRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            IFlurlRequest flurlReq = client
+                .CreateRequest(request, HttpMethod.Get, "cgi-bin", "department", "get")
+                .SetQueryParam("access_token", request.AccessToken)
+                .SetQueryParam("id", request.DepartmentId);
+
+            return await client.SendRequestWithJsonAsync<Models.CgibinDepartmentGetResponse>(flurlReq, cancellationToken: cancellationToken);
+        }
     }
 }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinDepartment/CgibinDepartmentGetRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinDepartment/CgibinDepartmentGetRequest.cs
new file mode 100644
index 00000000..c47a88b0
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinDepartment/CgibinDepartmentGetRequest.cs
@@ -0,0 +1,15 @@
+namespace SKIT.FlurlHttpClient.Wechat.Work.Models
+{
+    /// <summary>
+    /// <para>表示 [GET] /cgi-bin/department/get 接口的请求。</para>
+    /// </summary>
+    public class CgibinDepartmentGetRequest : WechatWorkRequest
+    {
+        /// <summary>
+        /// 获取或设置部门 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonIgnore]
+        [System.Text.Json.Serialization.JsonIgnore]
+        public int DepartmentId { get; set; }
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinDepartment/CgibinDepartmentGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinDepartment/CgibinDepartmentGetResponse.cs
new file mode 100644
index 00000000..fccc652d
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinDepartment/CgibinDepartmentGetResponse.cs
@@ -0,0 +1,22 @@
+namespace SKIT.FlurlHttpClient.Wechat.Work.Models
+{
+    /// <summary>
+    /// <para>表示 [GET] /cgi-bin/department/get 接口的响应。</para>
+    /// </summary>
+    public class CgibinDepartmentGetResponse : WechatWorkResponse
+    {
+        public static class Types
+        {
+            public class Department : CgibinDepartmentListResponse.Types.Department
+            {
+            }
+        }
+
+        /// <summary>
+        /// 获取或设置部门信息。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("department")]
+        [System.Text.Json.Serialization.JsonPropertyName("department")]
+        public Types.Department Department { get; set; } = default!;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinDepartment/CgibinDepartmentSimpleListRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinDepartment/CgibinDepartmentSimpleListRequest.cs
new file mode 100644
index 00000000..087defbb
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinDepartment/CgibinDepartmentSimpleListRequest.cs
@@ -0,0 +1,15 @@
+namespace SKIT.FlurlHttpClient.Wechat.Work.Models
+{
+    /// <summary>
+    /// <para>表示 [GET] /cgi-bin/department/simplelist 接口的请求。</para>
+    /// </summary>
+    public class CgibinDepartmentSimpleListRequest : WechatWorkRequest
+    {
+        /// <summary>
+        /// 获取或设置指定上级部门 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonIgnore]
+        [System.Text.Json.Serialization.JsonIgnore]
+        public int? ParentDepartmentId { get; set; }
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinDepartment/CgibinDepartmentSimpleListResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinDepartment/CgibinDepartmentSimpleListResponse.cs
new file mode 100644
index 00000000..45770414
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinDepartment/CgibinDepartmentSimpleListResponse.cs
@@ -0,0 +1,42 @@
+namespace SKIT.FlurlHttpClient.Wechat.Work.Models
+{
+    /// <summary>
+    /// <para>表示 [GET] /cgi-bin/department/simplelist 接口的响应。</para>
+    /// </summary>
+    public class CgibinDepartmentSimpleListResponse : WechatWorkResponse
+    {
+        public static class Types
+        {
+            public class Department
+            {
+                /// <summary>
+                /// 获取或设置部门 ID。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("id")]
+                [System.Text.Json.Serialization.JsonPropertyName("id")]
+                public int DepartmentId { get; set; }
+
+                /// <summary>
+                /// 获取或设置上级部门 ID。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("parentid")]
+                [System.Text.Json.Serialization.JsonPropertyName("parentid")]
+                public int ParentDepartmentId { get; set; }
+
+                /// <summary>
+                /// 获取或设置在上级部门中的次序值。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("order")]
+                [System.Text.Json.Serialization.JsonPropertyName("order")]
+                public long DepartmentOrder { get; set; }
+            }
+        }
+
+        /// <summary>
+        /// 获取或设置部门列表。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("department_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("department_id")]
+        public Types.Department[] DepartmentList { get; set; } = default!;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkEndpoints.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkEndpoints.cs
index d2867676..c149567e 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkEndpoints.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkEndpoints.cs
@@ -1,6 +1,4 @@
-using System;
-
-namespace SKIT.FlurlHttpClient.Wechat.Work
+namespace SKIT.FlurlHttpClient.Wechat.Work
 {
     /// <summary>
     /// <para>企业微信 API 接口域名。</para>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkEvent.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkEvent.cs
index 35a69f1a..b1ff0fae 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkEvent.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkEvent.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.Xml.Serialization;
 
 namespace SKIT.FlurlHttpClient.Wechat.Work
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkRequest.cs
index b293eb78..5657a134 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkRequest.cs
@@ -1,6 +1,4 @@
-using System;
-
-namespace SKIT.FlurlHttpClient.Wechat.Work
+namespace SKIT.FlurlHttpClient.Wechat.Work
 {
     /// <summary>
     /// 表示企业微信 API 请求的基类。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkResponse.cs
index 32e91b9a..a2b22ee3 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/WechatWorkResponse.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 
 namespace SKIT.FlurlHttpClient.Wechat.Work
 {
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinDepartment/CgibinDepartmentDeleteRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinDepartment/CgibinDepartmentDeleteRequest.json
deleted file mode 100644
index 22fdca1b..00000000
--- a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinDepartment/CgibinDepartmentDeleteRequest.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinDepartment/CgibinDepartmentGetResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinDepartment/CgibinDepartmentGetResponse.json
new file mode 100644
index 00000000..9553dee7
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinDepartment/CgibinDepartmentGetResponse.json
@@ -0,0 +1,12 @@
+{
+    "errcode": 0,
+    "errmsg": "ok",
+    "department": {
+        "id": 2,
+        "name": "广州研发中心",
+        "name_en": "RDGZ",
+        "department_leader": [ "zhangsan", "lisi" ],
+        "parentid": 1,
+        "order": 10
+    }
+}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinDepartment/CgibinDepartmentListRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinDepartment/CgibinDepartmentListRequest.json
deleted file mode 100644
index 22fdca1b..00000000
--- a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinDepartment/CgibinDepartmentListRequest.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinDepartment/CgibinDepartmentSimpleListResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinDepartment/CgibinDepartmentSimpleListResponse.json
new file mode 100644
index 00000000..51faf218
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinDepartment/CgibinDepartmentSimpleListResponse.json
@@ -0,0 +1,16 @@
+{
+    "errcode": 0,
+    "errmsg": "ok",
+    "department_id": [
+        {
+            "id": 2,
+            "parentid": 1,
+            "order": 10
+        },
+        {
+            "id": 3,
+            "parentid": 2,
+            "order": 40
+        }
+    ]
+}
\ No newline at end of file