diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index d3b79dd31..df74597bb 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -21,6 +21,8 @@ jobs:
     - uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '8.0.x'
+    - name: Install Blazor WASM workload
+      run: sudo dotnet workload install wasm-tools
     - run: dotnet restore WalkingTec.Mvvm.sln
     - run: dotnet build WalkingTec.Mvvm.sln --no-restore -c Release
 
diff --git a/demo/WalkingTec.Mvvm.BlazorDemo/WalkingTec.Mvvm.BlazorDemo.ViewModel/FrameworkUserVms/FrameworkUserImportVM.cs b/demo/WalkingTec.Mvvm.BlazorDemo/WalkingTec.Mvvm.BlazorDemo.ViewModel/FrameworkUserVms/FrameworkUserImportVM.cs
index 460d54e7b..756dad29b 100644
--- a/demo/WalkingTec.Mvvm.BlazorDemo/WalkingTec.Mvvm.BlazorDemo.ViewModel/FrameworkUserVms/FrameworkUserImportVM.cs
+++ b/demo/WalkingTec.Mvvm.BlazorDemo/WalkingTec.Mvvm.BlazorDemo.ViewModel/FrameworkUserVms/FrameworkUserImportVM.cs
@@ -23,7 +23,7 @@ protected override void InitVM()
 
     public class FrameworkUserImportVM : BaseImportVM<FrameworkUserTemplateVM, FrameworkUser>
     {
-        public override bool BatchSaveData()
+        public override bool BatchSaveData(System.IProgress<WalkingTec.Mvvm.Core.ImportProgress>? progress = null)
         {
             SetEntityList();
             foreach (var item in EntityList)
diff --git a/demo/WalkingTec.Mvvm.Demo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs b/demo/WalkingTec.Mvvm.Demo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs
index 460d54e7b..756dad29b 100644
--- a/demo/WalkingTec.Mvvm.Demo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs
+++ b/demo/WalkingTec.Mvvm.Demo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs
@@ -23,7 +23,7 @@ protected override void InitVM()
 
     public class FrameworkUserImportVM : BaseImportVM<FrameworkUserTemplateVM, FrameworkUser>
     {
-        public override bool BatchSaveData()
+        public override bool BatchSaveData(System.IProgress<WalkingTec.Mvvm.Core.ImportProgress>? progress = null)
         {
             SetEntityList();
             foreach (var item in EntityList)
diff --git a/demo/WalkingTec.Mvvm.ReactDemo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs b/demo/WalkingTec.Mvvm.ReactDemo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs
index 460d54e7b..756dad29b 100644
--- a/demo/WalkingTec.Mvvm.ReactDemo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs
+++ b/demo/WalkingTec.Mvvm.ReactDemo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs
@@ -23,7 +23,7 @@ protected override void InitVM()
 
     public class FrameworkUserImportVM : BaseImportVM<FrameworkUserTemplateVM, FrameworkUser>
     {
-        public override bool BatchSaveData()
+        public override bool BatchSaveData(System.IProgress<WalkingTec.Mvvm.Core.ImportProgress>? progress = null)
         {
             SetEntityList();
             foreach (var item in EntityList)
diff --git a/demo/WalkingTec.Mvvm.Vue3Demo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs b/demo/WalkingTec.Mvvm.Vue3Demo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs
index 460d54e7b..756dad29b 100644
--- a/demo/WalkingTec.Mvvm.Vue3Demo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs
+++ b/demo/WalkingTec.Mvvm.Vue3Demo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs
@@ -23,7 +23,7 @@ protected override void InitVM()
 
     public class FrameworkUserImportVM : BaseImportVM<FrameworkUserTemplateVM, FrameworkUser>
     {
-        public override bool BatchSaveData()
+        public override bool BatchSaveData(System.IProgress<WalkingTec.Mvvm.Core.ImportProgress>? progress = null)
         {
             SetEntityList();
             foreach (var item in EntityList)
diff --git a/demo/WalkingTec.Mvvm.VueDemo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs b/demo/WalkingTec.Mvvm.VueDemo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs
index 460d54e7b..756dad29b 100644
--- a/demo/WalkingTec.Mvvm.VueDemo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs
+++ b/demo/WalkingTec.Mvvm.VueDemo/Areas/_Admin/ViewModels/FrameworkUserVms/FrameworkUserImportVM.cs
@@ -23,7 +23,7 @@ protected override void InitVM()
 
     public class FrameworkUserImportVM : BaseImportVM<FrameworkUserTemplateVM, FrameworkUser>
     {
-        public override bool BatchSaveData()
+        public override bool BatchSaveData(System.IProgress<WalkingTec.Mvvm.Core.ImportProgress>? progress = null)
         {
             SetEntityList();
             foreach (var item in EntityList)
diff --git a/global.json b/global.json
new file mode 100644
index 000000000..3fea262b1
--- /dev/null
+++ b/global.json
@@ -0,0 +1,6 @@
+{
+  "sdk": {
+    "version": "8.0.0",
+    "rollForward": "latestFeature"
+  }
+}
diff --git a/test/WalkingTec.Mvvm.Js.Tests/__tests__/framework_analysis.test.js b/test/WalkingTec.Mvvm.Js.Tests/__tests__/framework_analysis.test.js
index cfb33322d..c942cd4c9 100644
--- a/test/WalkingTec.Mvvm.Js.Tests/__tests__/framework_analysis.test.js
+++ b/test/WalkingTec.Mvvm.Js.Tests/__tests__/framework_analysis.test.js
@@ -5331,7 +5331,6 @@ describe('#539 renderTable — sort, pagination, sticky wrapper', () => {
         expect(container.querySelector('tbody td').textContent).toBe('0');
     });
 });
-
 // ─── #566 createValueInput — date field relative date mode ───────────────────
 describe('#566 createValueInput — date field relative date mode', () => {
     const dateMeta = {