diff --git a/modules/docs/src/Volo.Docs.Web/Bundling/PrismjsStyleBundleContributorDocsExtension.cs b/modules/docs/src/Volo.Docs.Web/Bundling/PrismjsStyleBundleContributorDocsExtension.cs
index eb0436c5ff..f23f4bb803 100644
--- a/modules/docs/src/Volo.Docs.Web/Bundling/PrismjsStyleBundleContributorDocsExtension.cs
+++ b/modules/docs/src/Volo.Docs.Web/Bundling/PrismjsStyleBundleContributorDocsExtension.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Linq;
 using Volo.Abp.AspNetCore.Mvc.UI.Bundling;
 
 namespace Volo.Docs.Bundling
@@ -7,7 +8,11 @@ namespace Volo.Docs.Bundling
     {
         public override void ConfigureBundle(BundleConfigurationContext context)
         {
-            context.Files.ReplaceOne("/libs/prismjs/themes/prism.css","/libs/prismjs/themes/prism-okaidia.css");
+            var prismCss = context.Files.FirstOrDefault(x => x.FileName == "/libs/prismjs/themes/prism.css");
+            if (prismCss != null)
+            {
+                prismCss.FileName = "/libs/prismjs/themes/prism-okaidia.css";
+            }
             context.Files.AddIfNotContains("/libs/prismjs/plugins/line-highlight/prism-line-highlight.css");
             context.Files.AddIfNotContains("/libs/prismjs/plugins/toolbar/prism-toolbar.css");
             context.Files.AddIfNotContains("/libs/prismjs/plugins/diff-highlight/prism-diff-highlight.css");