diff --git a/README.zh.md b/README.zh.md
index 740a7df..10ecb2a 100644
--- a/README.zh.md
+++ b/README.zh.md
@@ -135,6 +135,7 @@
 
 * `assets/css/_varibales.scss`： 你可以覆盖 `_variables.scss` 中的变量来自定义样式
 * `assets/css/_custom.scss`： 你可以把自定义的样式放在这个文件
+*  需要使用hugo extended版本编译sass，否则修改css无法生效
 
 ## 网站图标、浏览器配置、网站清单
 
diff --git a/assets/css/_page/_post.scss b/assets/css/_page/_post.scss
index ce9b87f..aa51c3c 100644
--- a/assets/css/_page/_post.scss
+++ b/assets/css/_page/_post.scss
@@ -572,5 +572,5 @@
 }
 
 .post-comment {
-  padding: 3rem 0;
+  padding: 4rem 0;
 }
\ No newline at end of file
diff --git a/layouts/partials/comments.html b/layouts/partials/comments.html
index a052724..0a19b5e 100644
--- a/layouts/partials/comments.html
+++ b/layouts/partials/comments.html
@@ -52,7 +52,6 @@
 
     <!-- valine -->
     {{- if .Site.Params.valine.enable -}}
-	    <br/>
         <div id="vcomments"></div>
         {{ if eq (getenv "HUGO_ENV") "production" | and .Site.Params.cdn.valine_js }}
             {{ .Site.Params.cdn.valine_js | safeHTML }}