diff --git a/src/BootstrapBlazor.Shared/Pages/Samples/Displays.razor b/src/BootstrapBlazor.Shared/Pages/Samples/Displays.razor
index d7f370786fa7806121150858b2bb4462b80b1d91..6b09464001954d26eb26bbb2d093fd6b270dc583 100644
--- a/src/BootstrapBlazor.Shared/Pages/Samples/Displays.razor
+++ b/src/BootstrapBlazor.Shared/Pages/Samples/Displays.razor
@@ -104,7 +104,7 @@
         <div class="row">
             <div class="form-group col-12 col-sm-6">设置 <code class="ml-1">Formatter</code></div>
             <div class="form-group col-12 col-sm-6">
-                <Display Value="@ByteArray" Formatter="@ByteArrayFormatter" />
+                <Display Value="@ByteArray" FormatterAsync="@ByteArrayFormatter" />
             </div>
         </div>
     </div>
diff --git a/src/BootstrapBlazor.Shared/Pages/Samples/Displays.razor.cs b/src/BootstrapBlazor.Shared/Pages/Samples/Displays.razor.cs
index 08eb4f370d2597453b8bb7815ebb476d839abca6..05a8d592edba7d0c1d0b3eecba3ac1c8ace18987 100644
--- a/src/BootstrapBlazor.Shared/Pages/Samples/Displays.razor.cs
+++ b/src/BootstrapBlazor.Shared/Pages/Samples/Displays.razor.cs
@@ -11,6 +11,7 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
+using System.Threading.Tasks;
 
 namespace BootstrapBlazor.Shared.Pages
 {
@@ -31,7 +32,11 @@ namespace BootstrapBlazor.Shared.Pages
 
         private byte[] ByteArray { get; set; } = new byte[] { 0x01, 0x12, 0x34, 0x56 };
 
-        private static string ByteArrayFormatter(byte[] source) => Convert.ToBase64String(source);
+        private async Task<string> ByteArrayFormatter(byte[] source)
+        {
+            await Task.Delay(10);
+            return Convert.ToBase64String(source);
+        }
 
         private static string DateTimeFormatter(DateTime source) => source.ToString("yyyy-MM-dd");
 
diff --git a/src/BootstrapBlazor/Components/Display/Display.razor.cs b/src/BootstrapBlazor/Components/Display/Display.razor.cs
index b30e06b6fd609517f21178900151c800fea9a5a4..b3896a62f1637d91fcce41c1ce743df6b5445074 100644
--- a/src/BootstrapBlazor/Components/Display/Display.razor.cs
+++ b/src/BootstrapBlazor/Components/Display/Display.razor.cs
@@ -23,7 +23,13 @@ namespace BootstrapBlazor.Components
         protected string? CurrentTextAsString { get; set; }
 
         /// <summary>
-        /// 获得/设置 格式化字符串
+        /// 获得/设置 异步格式化字符串
+        /// </summary>
+        [Parameter]
+        public Func<TValue, Task<string>>? FormatterAsync { get; set; }
+
+        /// <summary>
+        /// 获得/设置 同步格式化字符串
         /// </summary>
         [Parameter]
         public Func<TValue, string>? Formatter { get; set; }
@@ -42,7 +48,7 @@ namespace BootstrapBlazor.Components
         {
             await base.OnParametersSetAsync();
 
-            CurrentTextAsString = FormatValueAsString(Value);
+            CurrentTextAsString = await FormatTextAsString(Value);
         }
 
         /// <summary>
@@ -50,11 +56,13 @@ namespace BootstrapBlazor.Components
         /// </summary>
         /// <param name="value"></param>
         /// <returns></returns>
-        protected override string? FormatValueAsString(TValue value) => Formatter != null
-            ? Formatter.Invoke(value)
-            : (!string.IsNullOrEmpty(FormatString) && value != null
-                ? Utility.Format((object)value, FormatString)
-                : FormatText(value));
+        protected virtual async Task<string?> FormatTextAsString(TValue value) => FormatterAsync != null
+            ? await FormatterAsync(value)
+            : Formatter != null
+                ? Formatter(value)
+                : (!string.IsNullOrEmpty(FormatString) && value != null
+                    ? Utility.Format((object)value, FormatString)
+                    : FormatText(value));
 
         private string? FormatText(TValue value)
         {
@@ -70,7 +78,7 @@ namespace BootstrapBlazor.Components
                 {
                     ret = ConvertArrayToString(value);
                 }
-                else if (value is not string && type.IsAssignableTo(typeof(IEnumerable)))
+                else if (type.IsGenericType && type.IsAssignableTo(typeof(IEnumerable)))
                 {
                     // 泛型集合 IEnumerable<TValue>
                     ret = ConvertEnumerableToString(value);