diff --git a/modules/docs/src/Volo.Docs.Domain/Volo/Docs/GitHub/Documents/GithubDocumentStore.cs b/modules/docs/src/Volo.Docs.Domain/Volo/Docs/GitHub/Documents/GithubDocumentStore.cs
index 715306ae5c..b6bd194329 100644
--- a/modules/docs/src/Volo.Docs.Domain/Volo/Docs/GitHub/Documents/GithubDocumentStore.cs
+++ b/modules/docs/src/Volo.Docs.Domain/Volo/Docs/GitHub/Documents/GithubDocumentStore.cs
@@ -206,7 +206,7 @@ namespace Volo.Docs.GitHub.Documents
         {
             return rootUrl
                 .Replace("github.com", "raw.githubusercontent.com")
-                .ReplaceFirst("/tree/", "/");
+                .ReplaceFirst("/tree/", "/").EnsureEndsWith('/');
         }
     }
 }
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