diff --git a/app/index/controller/TopicNas.php b/app/index/controller/TopicNas.php
index 70e15097..16660eb9 100644
--- a/app/index/controller/TopicNas.php
+++ b/app/index/controller/TopicNas.php
@@ -290,6 +290,7 @@ class TopicNas extends Common
         // 获取文章数据
         $articles = ArticleModel::field([
                 'id',
+                'category_id',
                 'title'
             ])
             ->withSearch(['title'], [
diff --git a/app/index/view/pc/topic_nas/help_detail.html b/app/index/view/pc/topic_nas/help_detail.html
index 4f21258d..705affe3 100644
--- a/app/index/view/pc/topic_nas/help_detail.html
+++ b/app/index/view/pc/topic_nas/help_detail.html
@@ -42,7 +42,14 @@
                         </div>
                         <ul class="sub-list" {if condition='$ac.id == $Request.get.cid'}style="display: block;"{/if}>
                             {volist name="ac.article" id="ar"}
-                            <li><a href="{:url('/index/topic/nas/help_detail', ['id' => $ar.id])}" style="padding-top: 6px;">{$ar.title}</a></li>
+                            <li>
+                                <a 
+                                href="{:url('/index/topic/nas/help_detail', ['cid' => $ac.id, 'id' => $ar.id])}" 
+                                {eq name="ar.id" value="$Request.get.id"}class="active"{/eq}
+                                >
+                                    {$ar.title}
+                                </a>
+                            </li>
                             {/volist}
                         </ul>
                     </div>
@@ -100,7 +107,7 @@
                             html = '<ul>'
                             $.each(r.data, function (k, v) {
                                 html +=
-                                    '<li><a href="{:url(\'/index/topic/nas/help_detail\')}?id=' + v.id + '">' + v.title + '</a></li>'
+                                    '<li><a href="{:url(\'/index/topic/nas/help_detail\')}?cid=' + v.category_id + '&id=' + v.id + '">' + v.title + '</a></li>'
                             })
                             html += '</ul>'
                         }
diff --git a/public/static/index/pc/css/topic_nas_help-detail.css b/public/static/index/pc/css/topic_nas_help-detail.css
index fc76fa88..92dbfb39 100755
--- a/public/static/index/pc/css/topic_nas_help-detail.css
+++ b/public/static/index/pc/css/topic_nas_help-detail.css
@@ -155,7 +155,7 @@
  	width: fit-content;
  	display: block;
  	margin: 0 10px;
- 	padding-top: 22px;
+ 	padding-top: 6px;
  	text-decoration: none;
  	color: #333;
  	margin-left: 41px;