diff --git a/src/BootstrapBlazor/Components/Select/SelectTree.razor.cs b/src/BootstrapBlazor/Components/Select/SelectTree.razor.cs
index f2664e41ea4..3c8fd4b4ff7 100644
--- a/src/BootstrapBlazor/Components/Select/SelectTree.razor.cs
+++ b/src/BootstrapBlazor/Components/Select/SelectTree.razor.cs
@@ -179,6 +179,11 @@ protected override async Task OnParametersSetAsync()
             // 组件未赋值 Value 通过 IsActive 设置默认值
             await TriggerItemChanged(s => s.IsActive);
         }
+        else
+        {
+            // 组件已赋值 Value 通过 Value 设置默认值
+            await TriggerItemChanged(s => Equals(s.Value, Value));
+        }
     }
 
     /// <summary>