diff --git a/src/BootstrapBlazor.Shared/Pages/Samples/Cascaders.razor b/src/BootstrapBlazor.Shared/Pages/Samples/Cascaders.razor
index 51f936661..4b3cf8a69 100644
--- a/src/BootstrapBlazor.Shared/Pages/Samples/Cascaders.razor
+++ b/src/BootstrapBlazor.Shared/Pages/Samples/Cascaders.razor
@@ -4,28 +4,28 @@
 <Block Title="Cascader 级联选择" Introduction="提供各种颜色的下拉选择框">
     <div class="row g-3">
         <div class="col-12 col-sm-6">
-            <Cascader TValue="string" Items="@Items" OnValueChanged="@OnItemChanged"></Cascader>
+            <Cascader TValue="string" Items="@Items" OnSelectedItemChanged="@OnItemChanged"></Cascader>
         </div>
         <div class="col-12 col-sm-6">
-            <Cascader TValue="string" Color="Color.Primary" Items="@Items" OnValueChanged="@OnItemChanged"></Cascader>
+            <Cascader TValue="string" Color="Color.Primary" Items="@Items" OnSelectedItemChanged="@OnItemChanged"></Cascader>
         </div>
         <div class="col-12 col-sm-6">
-            <Cascader TValue="string" Color="Color.Success" Items="@Items" OnValueChanged="@OnItemChanged"></Cascader>
+            <Cascader TValue="string" Color="Color.Success" Items="@Items" OnSelectedItemChanged="@OnItemChanged"></Cascader>
         </div>
         <div class="col-12 col-sm-6">
-            <Cascader TValue="string" Color="Color.Danger" Items="@Items" OnValueChanged="@OnItemChanged"></Cascader>
+            <Cascader TValue="string" Color="Color.Danger" Items="@Items" OnSelectedItemChanged="@OnItemChanged"></Cascader>
         </div>
         <div class="col-12 col-sm-6">
-            <Cascader TValue="string" Color="Color.Warning" Items="@Items" OnValueChanged="@OnItemChanged"></Cascader>
+            <Cascader TValue="string" Color="Color.Warning" Items="@Items" OnSelectedItemChanged="@OnItemChanged"></Cascader>
         </div>
         <div class="col-12 col-sm-6">
-            <Cascader TValue="string" Color="Color.Info" Items="@Items" OnValueChanged="@OnItemChanged"></Cascader>
+            <Cascader TValue="string" Color="Color.Info" Items="@Items" OnSelectedItemChanged="@OnItemChanged"></Cascader>
         </div>
         <div class="col-12 col-sm-6">
-            <Cascader TValue="string" Color="Color.Secondary" Items="@Items" OnValueChanged="@OnItemChanged"></Cascader>
+            <Cascader TValue="string" Color="Color.Secondary" Items="@Items" OnSelectedItemChanged="@OnItemChanged"></Cascader>
         </div>
         <div class="col-12 col-sm-6">
-            <Cascader TValue="string" Color="Color.Dark" Items="@Items" OnValueChanged="@OnItemChanged"></Cascader>
+            <Cascader TValue="string" Color="Color.Dark" Items="@Items" OnSelectedItemChanged="@OnItemChanged"></Cascader>
         </div>
     </div>
     <Logger @ref="Trace" class="mt-3" />
diff --git a/src/BootstrapBlazor.Shared/Pages/Samples/Cascaders.razor.cs b/src/BootstrapBlazor.Shared/Pages/Samples/Cascaders.razor.cs
index 736582e32..f0256f075 100644
--- a/src/BootstrapBlazor.Shared/Pages/Samples/Cascaders.razor.cs
+++ b/src/BootstrapBlazor.Shared/Pages/Samples/Cascaders.razor.cs
@@ -84,7 +84,7 @@ namespace BootstrapBlazor.Shared.Pages
         {
             new EventItem()
             {
-                Name = "OnValueChanged",
+                Name = nameof(Cascader<string>.OnSelectedItemChanged),
                 Description="级联选择选项改变时触发此事件",
                 Type ="Func<CascaderItem[], Task>"
             }
@@ -148,4 +148,4 @@ namespace BootstrapBlazor.Shared.Pages
             }
         };
     }
-}
\ No newline at end of file
+}
diff --git a/src/BootstrapBlazor/Components/Cascader/Cascader.razor.cs b/src/BootstrapBlazor/Components/Cascader/Cascader.razor.cs
index 533e60940..de2ba3241 100644
--- a/src/BootstrapBlazor/Components/Cascader/Cascader.razor.cs
+++ b/src/BootstrapBlazor/Components/Cascader/Cascader.razor.cs
@@ -56,7 +56,7 @@ namespace BootstrapBlazor.Components
         /// ValueChanged 方法
         /// </summary>
         [Parameter]
-        public Func<CascaderItem[], Task>? OnValueChanged { get; set; }
+        public Func<CascaderItem[], Task>? OnSelectedItemChanged { get; set; }
 
         [Inject]
         [NotNull]
@@ -190,7 +190,7 @@ namespace BootstrapBlazor.Components
 
             CurrentValueAsString = value;
 
-            if (OnValueChanged != null) await OnValueChanged.Invoke(_selectedItems.ToArray());
+            if (OnSelectedItemChanged != null) await OnSelectedItemChanged.Invoke(_selectedItems.ToArray());
         }
 
         private void RefreshDisplayValue() => _displayText = string.Join("/", _selectedItems.Select(item => item.Text));
diff --git a/src/BootstrapBlazor/Components/Dropdown/Dropdown.razor.cs b/src/BootstrapBlazor/Components/Dropdown/Dropdown.razor.cs
index 808def6a9..9a6c07e89 100644
--- a/src/BootstrapBlazor/Components/Dropdown/Dropdown.razor.cs
+++ b/src/BootstrapBlazor/Components/Dropdown/Dropdown.razor.cs
@@ -60,7 +60,7 @@ namespace BootstrapBlazor.Components
         /// </summary>
         /// <param name="item"></param>
         /// <returns></returns>
-        private string? ActiveItem(SelectedItem item) => CssBuilder.Default("dropdown-item")
+        protected string? ActiveItem(SelectedItem item) => CssBuilder.Default("dropdown-item")
             .AddClass("active", () => item.Value == CurrentValueAsString)
             .Build();
 
@@ -81,7 +81,7 @@ namespace BootstrapBlazor.Components
         /// <summary>
         /// 下拉框选项点击时调用此方法
         /// </summary>
-        private async Task OnItemClick(SelectedItem item)
+        protected async Task OnItemClick(SelectedItem item)
         {
             if (!item.IsDisabled)
             {
diff --git a/src/BootstrapBlazor/Components/Toggle/ToggleBase.cs b/src/BootstrapBlazor/Components/Toggle/ToggleBase.cs
index 6c6994fc8..58e5a03b0 100644
--- a/src/BootstrapBlazor/Components/Toggle/ToggleBase.cs
+++ b/src/BootstrapBlazor/Components/Toggle/ToggleBase.cs
@@ -62,12 +62,6 @@ namespace BootstrapBlazor.Components
         [Parameter]
         public Color Color { get; set; } = Color.Success;
 
-        /// <summary>
-        /// 
-        /// </summary>
-        [Parameter]
-        public Func<bool, Task>? OnValueChanged { get; set; }
-
         /// <summary>
         /// 点击控件时触发此方法
         /// </summary>
diff --git a/src/BootstrapBlazor/Components/Validate/ValidateBase.cs b/src/BootstrapBlazor/Components/Validate/ValidateBase.cs
index 8ba8f1a3b..c8e1e2bc9 100644
--- a/src/BootstrapBlazor/Components/Validate/ValidateBase.cs
+++ b/src/BootstrapBlazor/Components/Validate/ValidateBase.cs
@@ -82,6 +82,10 @@ namespace BootstrapBlazor.Components
                     {
                         _ = ValueChanged.InvokeAsync(value);
                     }
+                    if (OnValueChanged != null)
+                    {
+                        _ = OnValueChanged.Invoke(value);
+                    }
                     if (!SkipValidate && FieldIdentifier != null)
                     {
                         EditContext?.NotifyFieldChanged(FieldIdentifier.Value);
@@ -145,6 +149,12 @@ namespace BootstrapBlazor.Components
             }
         }
 
+        /// <summary>
+        /// 获得/设置 Value 改变时回调方法
+        /// </summary>
+        [Parameter]
+        public Func<TValue, Task>? OnValueChanged { get; set; }
+
         /// <summary>
         /// 获得/设置 类型转化失败格式化字符串 默认为 null
         /// </summary>