diff --git a/modules/docs/src/Volo.Docs.Web/TableOfContents/TocGeneratorService.cs b/modules/docs/src/Volo.Docs.Web/TableOfContents/TocGeneratorService.cs
index 6142e48669..d619c71f76 100644
--- a/modules/docs/src/Volo.Docs.Web/TableOfContents/TocGeneratorService.cs
+++ b/modules/docs/src/Volo.Docs.Web/TableOfContents/TocGeneratorService.cs
@@ -80,6 +80,7 @@ public class TocGeneratorService : ITocGeneratorService, ITransientDependency
                     tocBuilder.Append("</li></ul>");
                     levelStack.Pop();
                 }
+                tocBuilder.Append("</li>"); 
             }
             else if (heading.Level > previousLevel)
             {