diff --git a/src/BootstrapBlazor/BootstrapBlazor.csproj b/src/BootstrapBlazor/BootstrapBlazor.csproj
index 6dc7a210d30..21b30564569 100644
--- a/src/BootstrapBlazor/BootstrapBlazor.csproj
+++ b/src/BootstrapBlazor/BootstrapBlazor.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>9.7.4-beta03</Version>
+    <Version>9.7.4-beta04</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/BootstrapBlazor/Components/Light/Light.razor.cs b/src/BootstrapBlazor/Components/Light/Light.razor.cs
index 207a8e30ffb..f53fd927a57 100644
--- a/src/BootstrapBlazor/Components/Light/Light.razor.cs
+++ b/src/BootstrapBlazor/Components/Light/Light.razor.cs
@@ -13,7 +13,7 @@ public partial class Light
     /// <summary>
     /// 获得 组件样式
     /// </summary>
-    protected string? ClassString => CssBuilder.Default("light")
+    protected string? ClassString => CssBuilder.Default("bb-light")
         .AddClass("is-flat", IsFlat)
         .AddClass("flash", IsFlash && !IsFlat)
         .AddClass("is-flat-flash", IsFlash && IsFlat)
diff --git a/src/BootstrapBlazor/Components/Light/Light.razor.scss b/src/BootstrapBlazor/Components/Light/Light.razor.scss
index ee8e22ad6d9..54037a33ab6 100644
--- a/src/BootstrapBlazor/Components/Light/Light.razor.scss
+++ b/src/BootstrapBlazor/Components/Light/Light.razor.scss
@@ -1,4 +1,4 @@
-.light {
+.bb-light {
     --bb-light-bg: #{$bb-light-bg};
     --bb-light-danger-start-color: #{$bb-light-danger-start-color};
     --bb-light-danger-end-color: #{$bb-light-danger-end-color};
diff --git a/test/UnitTest/Components/LightTest.cs b/test/UnitTest/Components/LightTest.cs
index c03bcbd07d2..746f3103bf3 100644
--- a/test/UnitTest/Components/LightTest.cs
+++ b/test/UnitTest/Components/LightTest.cs
@@ -11,14 +11,14 @@ public class LightTest : BootstrapBlazorTestBase
     public void IsFlash_Ok()
     {
         var cut = Context.RenderComponent<Light>(builder => builder.Add(s => s.IsFlash, true));
-        Assert.Contains("light flash", cut.Markup);
+        Assert.Contains("bb-light flash", cut.Markup);
         Assert.DoesNotContain("is-flash-flat", cut.Markup);
 
         cut.SetParametersAndRender(pb =>
         {
             pb.Add(a => a.IsFlat, true);
         });
-        Assert.DoesNotContain("light flash", cut.Markup);
+        Assert.DoesNotContain("bb-light flash", cut.Markup);
         Assert.Contains("is-flat", cut.Markup);
         Assert.Contains("is-flat-flash", cut.Markup);
     }