diff --git a/app/index/controller/TopicPowerProdline.php b/app/index/controller/TopicPowerProdline.php
index df2fa564..df9ce549 100644
--- a/app/index/controller/TopicPowerProdline.php
+++ b/app/index/controller/TopicPowerProdline.php
@@ -12,43 +12,6 @@ use think\Request;
  */
 class TopicPowerProdline extends Common
 {
-    /**
-     * 重写控制器初始化
-     */
-    public function initialize()
-    {
-        // 获取国家/语言列表
-        $languages = $this->getLanguages();
-        // 输出国家/语言列表
-        if (get_platform() == 'mobile') {
-            View::assign('header_languages', $languages);
-        }
-
-        // 获取当前语言
-        $current_language = $this->getCurrentLanguage($languages);
-        if (!empty($current_language)) {
-            $this->lang_id = $current_language['id'];
-        }
-
-        // 获取产品分类
-        $categorys = $this->getProductCategory($this->lang_id);
-        // 输出产品分类
-        View::assign('header_categorys', $categorys);
-
-        // 获取系统配置
-        $configs = $this->getSysConfig($this->lang_id, ['basic', 'contact', 'media']);
-        $this->basic_config = $configs['basic'];
-        // 输出系统配置
-        View::assign('basic_config', $configs['basic']);
-        View::assign('contact_config', $configs['contact']);
-        View::assign('media_config', $configs['media']);
-
-        // 获取底部导航
-        $footer_navigation = $this->getNavigation('NAV_67f60be43df8d', $this->lang_id);
-        // 输出底部导航
-        View::assign('footer_navigation', $footer_navigation);
-    }
-
     /**
      * 专题 - 电力品线首页
      */
diff --git a/app/index/view/pc/public/header.html b/app/index/view/pc/public/header.html
index 8608cd51..934ff36f 100644
--- a/app/index/view/pc/public/header.html
+++ b/app/index/view/pc/public/header.html
@@ -125,6 +125,43 @@
 		</div>
 	</div>
 </header>
+<script type="text/javascript">
+    $(function() {
+        $('.header-PC #header .navItem>a').each(function(idx, item) {
+            var _item = $(item);
+            _item.removeClass('active');
+            if (_item.attr('href') && compareUrls(location.href, _item.get(0).href)) {
+                _item.addClass('active').siblings();
+            }
+        });
+        
+        // 比较两个URL是否相等（支持只有path的情况，并处理有无.html后缀的情况）
+        function compareUrls(url1, url2) {
+            // 如果输入的是相对路径，添加当前域名
+            if (!url1.startsWith('http')) {
+                url1 = window.location.origin + (url1.startsWith('/') ? '' : '/') + url1;
+            }
+            if (!url2.startsWith('http')) {
+                url2 = window.location.origin + (url2.startsWith('/') ? '' : '/') + url2;
+            }
+
+            // 将两个URL转换为URL对象
+            const urlObj1 = new URL(url1);
+            const urlObj2 = new URL(url2);
+
+            // 获取路径名并移除末尾的斜杠
+            let path1 = urlObj1.pathname.replace(/\/$/, '');
+            let path2 = urlObj2.pathname.replace(/\/$/, '');
+
+            // 移除.html后缀
+            path1 = path1.replace(/\.html$/, '');
+            path2 = path2.replace(/\.html$/, '');
+
+            // 比较处理后的路径
+            return path1 === path2;
+        }
+    })
+</script>
 <script>
 	$(document).ready(function () {
 		// 搜索历史记录处理
diff --git a/app/index/view/pc/topic_power_prodline/index.html b/app/index/view/pc/topic_power_prodline/index.html
index a7e7bda1..477879ae 100644
--- a/app/index/view/pc/topic_power_prodline/index.html
+++ b/app/index/view/pc/topic_power_prodline/index.html
@@ -1,4 +1,4 @@
-{extend name="public/nas_base" /}
+{extend name="public/base" /}
 {block name="style"}
 <link rel="stylesheet" href="__CSS__/topic_power_prodline/index.css">
 <link rel="stylesheet" href="__CSS__/topic_power_prodline/swiper.css">
@@ -10,13 +10,7 @@
 <link rel="stylesheet" href="__CSS__/topic_power_prodline/product_card.css">
 <link rel="stylesheet" href="__CSS__/topic_power_prodline/footer.css">
 {/block}
-
 {block name="main"}
-<!-- <a class="header" href="/">
-    <div class="header-img">
-        <img src="__IMAGES__/logo.png" alt="">
-    </div>
-</a> -->
 <!-- 轮播核心容器 -->
 <div class="swiper-container auto-swiper-container" >
     {notempty name="data.focus_image"}
diff --git a/public/static/index/pc/css/orico_header.css b/public/static/index/pc/css/orico_header.css
index 6333b762..24ab9f9e 100755
--- a/public/static/index/pc/css/orico_header.css
+++ b/public/static/index/pc/css/orico_header.css
@@ -177,6 +177,7 @@
   padding-left: 0;
   white-space: nowrap;
 }
+.header-PC #header .nav2 .navItem > a.active,
 .header-PC #header .nav2 .navItem .navItemConten1 li a:hover {
   color: #004bfa;
 }