diff --git a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/LIbs/InstallLibsService.cs b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/LIbs/InstallLibsService.cs
index 5f546717cb..0141195cb5 100644
--- a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/LIbs/InstallLibsService.cs
+++ b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/LIbs/InstallLibsService.cs
@@ -188,7 +188,9 @@ public class InstallLibsService : IInstallLibsService, ITransientDependency
             }
         }
 
-        foreach (var directoryInfo in Directory.GetDirectories(Path.Combine(directory, resourceMapping.Clean.First()), "*", SearchOption.AllDirectories).Reverse())
+        var directoryInfos = Directory.GetDirectories(Path.Combine(directory, resourceMapping.Clean.First()), "*", SearchOption.AllDirectories);
+        directoryInfos.Reverse();
+        foreach (var directoryInfo in directoryInfos)
         {
             if (!Directory.EnumerateFileSystemEntries(directoryInfo).Any())
             {
diff --git a/framework/src/Volo.Abp.Core/Volo.Abp.Core.csproj b/framework/src/Volo.Abp.Core/Volo.Abp.Core.csproj
index dd42cdee32..1d08f58294 100644
--- a/framework/src/Volo.Abp.Core/Volo.Abp.Core.csproj
+++ b/framework/src/Volo.Abp.Core/Volo.Abp.Core.csproj
@@ -4,7 +4,7 @@
   <Import Project="..\..\..\common.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net8.0;net9.0;net10.0</TargetFrameworks>
     <Nullable>enable</Nullable>
     <WarningsAsErrors>Nullable</WarningsAsErrors>
     <AssemblyName>Volo.Abp.Core</AssemblyName>