diff --git a/src/components/BootstrapBlazor.DockView/BootstrapBlazor.DockView.csproj b/src/components/BootstrapBlazor.DockView/BootstrapBlazor.DockView.csproj
index 4a3aac9c..620b1174 100644
--- a/src/components/BootstrapBlazor.DockView/BootstrapBlazor.DockView.csproj
+++ b/src/components/BootstrapBlazor.DockView/BootstrapBlazor.DockView.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>10.0.3</Version>
+    <Version>10.0.4-beta01</Version>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/src/components/BootstrapBlazor.DockView/wwwroot/js/dockview-group.js b/src/components/BootstrapBlazor.DockView/wwwroot/js/dockview-group.js
index e2080912..eb3e1e8b 100644
--- a/src/components/BootstrapBlazor.DockView/wwwroot/js/dockview-group.js
+++ b/src/components/BootstrapBlazor.DockView/wwwroot/js/dockview-group.js
@@ -26,14 +26,14 @@ const onAddGroup = group => {
     dockview._inited && observeGroup(group)
 }
 
-const addGroupWithPanel = (dockview, panel, panels, index) => {
+const addGroupWithPanel = (dockview, panel, localPanel, panels, index) => {
     if (panel.groupId) {
         addPanelWidthGroupId(dockview, panel, index)
     }
     else {
         addPanelWidthCreatGroup(dockview, panel, panels)
     }
-    deletePanel(dockview, panel)
+    deletePanel(dockview, localPanel)
 }
 
 const addPanelWidthGroupId = (dockview, panel, index) => {
diff --git a/src/components/BootstrapBlazor.DockView/wwwroot/js/dockview-utils.js b/src/components/BootstrapBlazor.DockView/wwwroot/js/dockview-utils.js
index a985ab6d..ed3836ee 100644
--- a/src/components/BootstrapBlazor.DockView/wwwroot/js/dockview-utils.js
+++ b/src/components/BootstrapBlazor.DockView/wwwroot/js/dockview-utils.js
@@ -229,7 +229,7 @@ const toggleComponent = (dockview, options) => {
             let indexOfOptions = groupPanels.findIndex(p => p.params.key == panel?.params.key)
             indexOfOptions = indexOfOptions == -1 ? 0 : indexOfOptions
             const index = panel && panel.params.index
-            addGroupWithPanel(dockview, panel || p, panels, index ?? indexOfOptions);
+            addGroupWithPanel(dockview, p || panel, panel, panels, index ?? indexOfOptions);
         }
     })