diff --git a/src/components/BootstrapBlazor.Region/BootstrapBlazor.Region.csproj b/src/components/BootstrapBlazor.Region/BootstrapBlazor.Region.csproj
index 0c82b7d8..95602f32 100644
--- a/src/components/BootstrapBlazor.Region/BootstrapBlazor.Region.csproj
+++ b/src/components/BootstrapBlazor.Region/BootstrapBlazor.Region.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>9.0.4</Version>
+    <Version>9.0.5</Version>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.cs b/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.cs
index 9b319af0..e64937de 100644
--- a/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.cs
+++ b/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.cs
@@ -31,6 +31,7 @@ public partial class SelectCity
 
     /// <summary>
     /// 获得/设置 单选时选择后是否自动关闭 默认 true
+    /// <para><see cref="IsMultiple"/> 值为 true 时，这个参数不生效</para>
     /// </summary>
     [Parameter]
     public bool AutoClose { get; set; } = true;
@@ -144,7 +145,7 @@ private async Task OnSelectCity(string item)
             CurrentValue = item;
         }
 
-        if (AutoClose)
+        if (!IsMultiple && AutoClose)
         {
             await InvokeVoidAsync("hide", Id);
         }