diff --git a/src/Cnblogs.DashScope.Core/ApplicationRequest.cs b/src/Cnblogs.DashScope.Core/ApplicationRequest.cs
index b367d5e..bdafef5 100644
--- a/src/Cnblogs.DashScope.Core/ApplicationRequest.cs
+++ b/src/Cnblogs.DashScope.Core/ApplicationRequest.cs
@@ -1,21 +1,30 @@
-namespace Cnblogs.DashScope.Core;
+using System.Text.Json.Serialization;
+using Cnblogs.DashScope.Core.Internals;
+
+namespace Cnblogs.DashScope.Core;
 
 /// <summary>
 /// Request body for an application all.
 /// </summary>
 /// <typeparam name="TBizParams">Type of the biz_content</typeparam>
-public class ApplicationRequest<TBizParams>
+public class ApplicationRequest<TBizParams> : IDashScopeWorkspaceConfig
     where TBizParams : class
 {
     /// <summary>
     /// Content of this call.
     /// </summary>
-    public required ApplicationInput<TBizParams> Input { get; init; }
+    public required ApplicationInput<TBizParams> Input { get; set; }
 
     /// <summary>
     /// Optional configurations.
     /// </summary>
-    public ApplicationParameters? Parameters { get; init; }
+    public ApplicationParameters? Parameters { get; set; }
+
+    /// <summary>
+    /// Optional workspace id.
+    /// </summary>
+    [JsonIgnore]
+    public string? WorkspaceId { get; set; }
 }
 
 /// <summary>
diff --git a/src/Cnblogs.DashScope.Core/DashScopeClientCore.cs b/src/Cnblogs.DashScope.Core/DashScopeClientCore.cs
index 9b917d0..7cca41f 100644
--- a/src/Cnblogs.DashScope.Core/DashScopeClientCore.cs
+++ b/src/Cnblogs.DashScope.Core/DashScopeClientCore.cs
@@ -275,7 +275,9 @@ public async Task<DashScopeFileList> ListFilesAsync(CancellationToken cancellati
     }
 
     /// <inheritdoc />
-    public async Task<DashScopeDeleteFileResult> DeleteFileAsync(DashScopeFileId id, CancellationToken cancellationToken = default)
+    public async Task<DashScopeDeleteFileResult> DeleteFileAsync(
+        DashScopeFileId id,
+        CancellationToken cancellationToken = default)
     {
         var request = BuildRequest(HttpMethod.Delete, ApiLinks.Files + $"/{id}");
         return (await SendCompatibleAsync<DashScopeDeleteFileResult>(request, cancellationToken))!;
@@ -297,8 +299,7 @@ private static HttpRequestMessage BuildRequest<TPayload>(
         string url,
         TPayload? payload = null,
         bool sse = false,
-        bool isTask = false,
-        string? workspaceId = null)
+        bool isTask = false)
         where TPayload : class
     {
         var message = new HttpRequestMessage(method, url)
@@ -316,9 +317,9 @@ private static HttpRequestMessage BuildRequest<TPayload>(
             message.Headers.Add("X-DashScope-Async", "enable");
         }
 
-        if (string.IsNullOrWhiteSpace(workspaceId) == false)
+        if (payload is IDashScopeWorkspaceConfig config && string.IsNullOrWhiteSpace(config.WorkspaceId) == false)
         {
-            message.Headers.Add("X-DashScope-WorkspaceId", workspaceId);
+            message.Headers.Add("X-DashScope-WorkSpace", config.WorkspaceId);
         }
 
         return message;
diff --git a/src/Cnblogs.DashScope.Core/Internals/IDashScopeWorkspaceConfig.cs b/src/Cnblogs.DashScope.Core/Internals/IDashScopeWorkspaceConfig.cs
new file mode 100644
index 0000000..752056b
--- /dev/null
+++ b/src/Cnblogs.DashScope.Core/Internals/IDashScopeWorkspaceConfig.cs
@@ -0,0 +1,12 @@
+namespace Cnblogs.DashScope.Core.Internals;
+
+/// <summary>
+/// Workspace configuration.
+/// </summary>
+internal interface IDashScopeWorkspaceConfig
+{
+    /// <summary>
+    /// Unique id of workspace to use.
+    /// </summary>
+    public string? WorkspaceId { get; }
+}
diff --git a/src/Cnblogs.DashScope.Core/TextGenerationTokenDetails.cs b/src/Cnblogs.DashScope.Core/TextGenerationTokenDetails.cs
new file mode 100644
index 0000000..d8e5b18
--- /dev/null
+++ b/src/Cnblogs.DashScope.Core/TextGenerationTokenDetails.cs
@@ -0,0 +1,7 @@
+namespace Cnblogs.DashScope.Core;
+
+/// <summary>
+/// Token usage details.
+/// </summary>
+/// <param name="CachedTokens">Token count of cached input tokens</param>
+public record TextGenerationTokenDetails(int CachedTokens);
diff --git a/src/Cnblogs.DashScope.Core/TextGenerationTokenUsage.cs b/src/Cnblogs.DashScope.Core/TextGenerationTokenUsage.cs
index 8021388..7662d7d 100644
--- a/src/Cnblogs.DashScope.Core/TextGenerationTokenUsage.cs
+++ b/src/Cnblogs.DashScope.Core/TextGenerationTokenUsage.cs
@@ -11,6 +11,11 @@ public class TextGenerationTokenUsage
     /// <remarks>This number may larger than input if internet search is enabled.</remarks>
     public int InputTokens { get; set; }
 
+    /// <summary>
+    /// Input token details.
+    /// </summary>
+    public TextGenerationTokenDetails? PromptTokensDetails { get; set; }
+
     /// <summary>
     /// The number of output token.
     /// </summary>
diff --git a/test/Cnblogs.DashScope.Sdk.UnitTests/RawHttpData/single-generation-text-nosse.response.body.txt b/test/Cnblogs.DashScope.Sdk.UnitTests/RawHttpData/single-generation-text-nosse.response.body.txt
index 8d85edb..76cd3dc 100644
--- a/test/Cnblogs.DashScope.Sdk.UnitTests/RawHttpData/single-generation-text-nosse.response.body.txt
+++ b/test/Cnblogs.DashScope.Sdk.UnitTests/RawHttpData/single-generation-text-nosse.response.body.txt
@@ -1,12 +1 @@
-{
-    "output": {
-        "finish_reason": "stop",
-        "text": "1+1 等于 2。这是最基本的数学加法之一，在十进制计数体系中，任何情况下两个一相加的结果都是二。"
-    },
-    "usage": {
-        "total_tokens": 43,
-        "output_tokens": 35,
-        "input_tokens": 8
-    },
-    "request_id": "4ef2ed16-4dc3-9083-a723-fb2e80c84d3b"
-}
+{"output":{"finish_reason":"stop","text":"1+1等于2。这是最基本的数学加法运算之一。"},"usage":{"prompt_tokens_details":{"cached_tokens":0},"total_tokens":30,"output_tokens":14,"input_tokens":16},"request_id":"7e3d5586-cb70-98ce-97bf-8a2ac0091c3f"}
\ No newline at end of file
diff --git a/test/Cnblogs.DashScope.Sdk.UnitTests/RawHttpData/single-generation-text-nosse.response.header.txt b/test/Cnblogs.DashScope.Sdk.UnitTests/RawHttpData/single-generation-text-nosse.response.header.txt
index 3b4f8a2..ada9654 100644
--- a/test/Cnblogs.DashScope.Sdk.UnitTests/RawHttpData/single-generation-text-nosse.response.header.txt
+++ b/test/Cnblogs.DashScope.Sdk.UnitTests/RawHttpData/single-generation-text-nosse.response.header.txt
@@ -1,13 +1,14 @@
-HTTP/1.1 200 OK
-eagleeye-traceid: 5bc840127c9dd7ed1de5586c0865cf01
-content-type: application/json
+HTTP/1.1 200 OK
+Vary: Origin,Access-Control-Request-Method,Access-Control-Request-Headers,Accept-Encoding
+X-Request-ID: 7e3d5586-cb70-98ce-97bf-8a2ac0091c3f
+x-dashscope-timeout: 180
 x-dashscope-call-gateway: true
-req-cost-time: 6004
-req-arrive-time: 1708924139239
-resp-start-time: 1708924145244
-x-envoy-upstream-service-time: 5998
-content-encoding: gzip
-vary: Accept-Encoding
-date: Mon, 26 Feb 2024 05:09:05 GMT
-server: istio-envoy
-transfer-encoding: chunked
+x-dashscope-finished: true
+req-cost-time: 974
+req-arrive-time: 1742222245417
+resp-start-time: 1742222246391
+x-envoy-upstream-service-time: 964
+Set-Cookie: acw_tc=7e3d5586-cb70-98ce-97bf-8a2ac0091c3f7d8fa666bbce18dfce67d4b0ced27ae0;path=/;HttpOnly;Max-Age=1800
+Date: Mon, 17 Mar 2025 14:37:26 GMT
+Server: istio-envoy
+Transfer-Encoding: chunked
diff --git a/test/Cnblogs.DashScope.Sdk.UnitTests/Utils/Snapshots.Application.cs b/test/Cnblogs.DashScope.Sdk.UnitTests/Utils/Snapshots.Application.cs
index 6ad5bb1..59cfe01 100644
--- a/test/Cnblogs.DashScope.Sdk.UnitTests/Utils/Snapshots.Application.cs
+++ b/test/Cnblogs.DashScope.Sdk.UnitTests/Utils/Snapshots.Application.cs
@@ -273,6 +273,30 @@ public static readonly RequestSnapshot<ApplicationRequest<TestApplicationBizPara
                         new ApplicationOutput("code", "stop", "5a20b47dac2f43a7b1cbb8924ca66c47", null, null),
                         new ApplicationUsage(null)));
 
+        public static readonly RequestSnapshot<ApplicationRequest<TestApplicationBizParam>, ApplicationResponse>
+            WorkflowInDifferentWorkSpaceNoSse =
+                new(
+                    "application-workflow",
+                    new ApplicationRequest<TestApplicationBizParam>()
+                    {
+                        Input = new ApplicationInput<TestApplicationBizParam>()
+                        {
+                            BizParams = new TestApplicationBizParam("code"), Prompt = "请你跟我这样说"
+                        },
+                        Parameters = new ApplicationParameters()
+                        {
+                            TopK = 100,
+                            TopP = 0.8f,
+                            Seed = 1234,
+                            Temperature = 0.85f,
+                        },
+                        WorkspaceId = "workspaceId"
+                    },
+                    new ApplicationResponse(
+                        "10990f51-e2d0-9338-9c52-319af5f4858b",
+                        new ApplicationOutput("code", "stop", "5a20b47dac2f43a7b1cbb8924ca66c47", null, null),
+                        new ApplicationUsage(null)));
+
         public static readonly RequestSnapshot<ApplicationRequest, ApplicationResponse> ConversationSessionIdNoSse =
             new(
                 "application-conversation-generation-session-id",
diff --git a/test/Cnblogs.DashScope.Sdk.UnitTests/Utils/Snapshots.TextGeneration.cs b/test/Cnblogs.DashScope.Sdk.UnitTests/Utils/Snapshots.TextGeneration.cs
index 6f8fe94..4a6e30a 100644
--- a/test/Cnblogs.DashScope.Sdk.UnitTests/Utils/Snapshots.TextGeneration.cs
+++ b/test/Cnblogs.DashScope.Sdk.UnitTests/Utils/Snapshots.TextGeneration.cs
@@ -36,14 +36,15 @@ public static class TextFormat
                     {
                         Output = new TextGenerationOutput
                         {
-                            FinishReason = "stop", Text = "1+1 等于 2。这是最基本的数学加法之一，在十进制计数体系中，任何情况下两个一相加的结果都是二。"
+                            FinishReason = "stop", Text = "1+1等于2。这是最基本的数学加法运算之一。"
                         },
-                        RequestId = "4ef2ed16-4dc3-9083-a723-fb2e80c84d3b",
+                        RequestId = "7e3d5586-cb70-98ce-97bf-8a2ac0091c3f",
                         Usage = new TextGenerationTokenUsage
                         {
-                            InputTokens = 8,
-                            OutputTokens = 35,
-                            TotalTokens = 43
+                            InputTokens = 16,
+                            OutputTokens = 14,
+                            TotalTokens = 30,
+                            PromptTokensDetails = new TextGenerationTokenDetails(0)
                         }
                     });
 
diff --git a/test/Cnblogs.DashScope.Sdk.UnitTests/WorkspaceIdTests.cs b/test/Cnblogs.DashScope.Sdk.UnitTests/WorkspaceIdTests.cs
new file mode 100644
index 0000000..c6b3a98
--- /dev/null
+++ b/test/Cnblogs.DashScope.Sdk.UnitTests/WorkspaceIdTests.cs
@@ -0,0 +1,25 @@
+using Cnblogs.DashScope.Sdk.UnitTests.Utils;
+using NSubstitute;
+
+namespace Cnblogs.DashScope.Sdk.UnitTests;
+
+public class WorkspaceIdTests
+{
+    [Fact]
+    public async Task ApplicationCall_WithWorkspaceId_ApplyAsync()
+    {
+        // Arrange
+        const bool sse = false;
+        var testCase = Snapshots.Application.WorkflowInDifferentWorkSpaceNoSse;
+        var (client, handler) = await Sut.GetTestClientAsync(sse, testCase);
+
+        // Act
+        await client.GetApplicationResponseAsync("anyId", testCase.RequestModel);
+
+        // Assert
+        handler.Received().MockSend(
+            Arg.Is<HttpRequestMessage>(
+                m => m.Headers.GetValues("X-DashScope-WorkSpace").First() == testCase.RequestModel.WorkspaceId),
+            Arg.Any<CancellationToken>());
+    }
+}