diff --git a/src/Masa.Blazor/Components/Treeview/MTreeview.razor.cs b/src/Masa.Blazor/Components/Treeview/MTreeview.razor.cs
index a297b89d55..c0716ec556 100644
--- a/src/Masa.Blazor/Components/Treeview/MTreeview.razor.cs
+++ b/src/Masa.Blazor/Components/Treeview/MTreeview.razor.cs
@@ -478,6 +478,7 @@ private void UpdateChildrenSelected(IEnumerable<TKey>? children, bool isSelected
                 {
                     //control by parent
                     nodeState.IsSelected = isSelected;
+                    nodeState.IsIndeterminate = false;
                     UpdateChildrenSelected(nodeState.Children, isSelected);
                 }
             }