diff --git a/modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/Tokens/TokenCleanupOptions.cs b/modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/Tokens/TokenCleanupOptions.cs
index f432e827c6..715bd1cdd7 100644
--- a/modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/Tokens/TokenCleanupOptions.cs
+++ b/modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/Tokens/TokenCleanupOptions.cs
@@ -24,7 +24,7 @@ public class TokenCleanupOptions
     ///
     /// Default value: 10.
     /// </summary>
-    /// [Obsolete("This option will be removed in future versions.")]
+    [Obsolete("This option will be removed in future versions.")]
     public int CleanupLoopCount { get; set; } = 10;
 
     /// <summary>