diff --git a/layouts/_default/single.html b/layouts/_default/single.html
index 14dc536..78b9b2f 100644
--- a/layouts/_default/single.html
+++ b/layouts/_default/single.html
@@ -100,6 +100,27 @@
     })();
   </script>
   {{ end }}
+
+  <!-- giscus comment -->
+  {{ if and site.Params.giscus.repo (not (eq .Params.comments false)) }}
+    <div class="giscus mt-24"></div>
+    <script src="https://giscus.app/client.js"
+          data-repo="{{ site.Params.giscus.repo }}"
+          data-repo-id="{{ site.Params.giscus.repoId }}"
+          data-category="{{ site.Params.giscus.category }}"
+          data-category-id="{{ site.Params.giscus.categoryId }}"
+          data-mapping="{{ site.Params.giscus.mapping | default (print `pathname`) }}"
+          data-strict="{{ site.Params.giscus.strict | default (print `1`) }}"
+          data-reactions-enabled="{{ site.Params.giscus.reactionsEnabled | default (print `0`) }}"
+          data-emit-metadata="{{ site.Params.giscus.emitMetadata | default (print `0`) }}"
+          data-input-position="{{ site.Params.giscus.inputPosition | default (print `top`) }}"
+          data-theme="{{ site.Params.giscus.theme | default (print `light`) }}"
+          data-lang="{{ site.Params.giscus.lang | default (print `en`) }}"
+          data-loading="{{ site.Params.giscus.loading | default (print `lazy`) }}"
+          crossorigin="anonymous"
+          async>
+    </script>
+  {{ end }}
 </article>
 
 {{ end }}