diff --git a/src/BootstrapBlazor/BootstrapBlazor.csproj b/src/BootstrapBlazor/BootstrapBlazor.csproj
index 77c0fe52a3c..e06ee065f12 100644
--- a/src/BootstrapBlazor/BootstrapBlazor.csproj
+++ b/src/BootstrapBlazor/BootstrapBlazor.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>10.5.1-beta06</Version>
+    <Version>10.5.1-beta07</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/BootstrapBlazor/Components/Select/SelectTree.razor b/src/BootstrapBlazor/Components/Select/SelectTree.razor
index b7649e13151..2e78619815c 100644
--- a/src/BootstrapBlazor/Components/Select/SelectTree.razor
+++ b/src/BootstrapBlazor/Components/Select/SelectTree.razor
@@ -1,4 +1,4 @@
-@namespace BootstrapBlazor.Components
+@namespace BootstrapBlazor.Components
 @typeparam TValue
 @inherits PopoverSelectBase<TValue>
 @attribute [BootstrapModuleAutoLoader("Select/SelectTree.razor.js")]
@@ -22,7 +22,7 @@
     <div class="dropdown-menu">
         <TreeView TItem="TValue" Items="@Items" ShowIcon="ShowIcon" @ref="_tv"
                   OnTreeItemClick="OnItemClick" ModelEqualityComparer="@ModelEqualityComparer"
-                  ShowSearch="ShowSearch" ShowResetSearchButton="ShowResetSearchButton"
+                  ShowSearch="ShowSearch" ShowResetSearchButton="ShowResetSearchButton" OnSearchAsync="OnSearchAsync"
                   CanExpandWhenDisabled="CanExpandWhenDisabled"
                   CustomKeyAttribute="@CustomKeyAttribute" OnExpandNodeAsync="@OnExpandNodeAsync" />
     </div>
diff --git a/src/BootstrapBlazor/Components/Select/SelectTree.razor.cs b/src/BootstrapBlazor/Components/Select/SelectTree.razor.cs
index a7354a8b3b4..a255502b2c0 100644
--- a/src/BootstrapBlazor/Components/Select/SelectTree.razor.cs
+++ b/src/BootstrapBlazor/Components/Select/SelectTree.razor.cs
@@ -134,6 +134,14 @@ public partial class SelectTree<TValue> : IModelEqualityComparer<TValue>
     [Parameter]
     public bool ShowSearch { get; set; }
 
+    /// <summary>
+    /// <para lang="zh">获得/设置 搜索回调方法，默认为 null</para>
+    /// <para lang="en">Gets or sets the search callback method. Default is null</para>
+    /// </summary>
+    /// <remarks>Enabled by setting <see cref="ShowSearch"/> to true.</remarks>
+    [Parameter]
+    public Func<string?, Task<List<TreeViewItem<TValue>>?>>? OnSearchAsync { get; set; }
+
     /// <summary>
     /// <para lang="zh">获得/设置 是否固定搜索栏 默认 false 不固定</para>
     /// <para lang="en">Gets or sets Whether fixed search box. Default false</para>