diff --git a/app/index/view/pc/public/header.html b/app/index/view/pc/public/header.html
index 081c36b8..169ddc38 100644
--- a/app/index/view/pc/public/header.html
+++ b/app/index/view/pc/public/header.html
@@ -155,26 +155,53 @@
 
 			return history;
 		}
+
 		// 封装一个函数用于处理鼠标悬停显示和隐藏内容
 		function handleHover($element, $content) {
-			$element.mouseenter(function () {
-				$content.stop(true, true).slideDown(60);
-			}).mouseleave(function () {
-				$content.stop(true, true).slideUp(60);
-			});
+			// 同时支持鼠标悬停和点击事件
+			$element
+				.mouseenter(function () {
+					$content.stop(true, true).slideDown(60);
+				})
+				.mouseleave(function () {
+					$content.stop(true, true).slideUp(60);
+				})
+				.click(function (e) {
+					// 阻止链接默认跳转（如果有链接的话）
+					if ($content.is(':visible')) {
+						$content.stop(true, true).slideUp(60);
+					} else {
+						$content.stop(true, true).slideDown(60);
+					}
+					// 防止点击事件冒泡到a标签
+					e.preventDefault();
+					e.stopPropagation();
+				});
 		}
-		// 处理第一个导航项
-		handleHover($('.navItem').eq(0), $('.navItem').eq(0).find('.navItemConten'));
-		// 鼠标移入navItem_cyleft里面的li标签添加类，移除其他li的类
+
+		// 处理产品列表的下拉菜单
+		var $firstNav = $('.navItem').eq(0);
+		if ($firstNav.find('.navItemConten').length) {
+			handleHover($firstNav, $firstNav.find('.navItemConten'));
+		}
+
+		// 鼠标移入左侧子菜单切换显示
 		$('.navItem_cyleft li').mouseenter(function () {
 			$(this).addClass('it_active').siblings().removeClass('it_active');
 			$('.navItem_cyright').hide();
 			$('.navItem_cyright').eq($(this).index()).show();
 		});
-		// 处理第5 - 8个导航项
-		for (let i = 4; i < 8; i++) {
-			handleHover($('.navItem').eq(i), $('.navItem').eq(i).find('.navItemConten1'));
-		}
+
+		// 动态处理所有带有navItemConten1的导航项
+		$('.navItem').each(function () {
+			var $this = $(this);
+			var $dropdown = $this.find('.navItemConten1');
+			// 只给有下拉菜单的导航项绑定事件
+			if ($dropdown.length) {
+				handleHover($this, $dropdown);
+			}
+		});
+
 		// 点击搜索
 		$('#openModalBtn').click(function () {
 			$('#scmodal').toggle();
@@ -182,8 +209,20 @@
 		$('.close-btn').click(function () {
 			$('#scmodal').hide();
 		});
+
+		// 点击空白处关闭下拉菜单
+		$(document).click(function () {
+			$('.navItemConten, .navItemConten1, #top-country').slideUp(60);
+		});
+
+		// 防止下拉菜单内部点击触发空白处关闭事件
+		$('.navItemConten, .navItemConten1, #top-country').click(function (e) {
+			e.stopPropagation();
+		});
+
 		// 搜索历史记录回显
 		history();
+
 		// 执行搜索
 		$('#serrchinput').keydown(function (event) {
 			if (event.originalEvent.keyCode == 13) {
@@ -198,9 +237,11 @@
 				window.location.href = "{:url('product/search')}" + '?keywords=' + keywords;
 			}
 		});
+
 		// 点击选择国家
-		$('#countrycheck').click(function () {
+		$('#countrycheck').click(function (e) {
 			$('#top-country').toggle();
+			e.stopPropagation();
 		});
 		$('.closecountrybt').click(function () {
 			$('#top-country').hide();
diff --git a/public/static/index/pc/css/topic_nas_header.css b/public/static/index/pc/css/topic_nas_header.css
index 2070ea52..ba5306db 100644
--- a/public/static/index/pc/css/topic_nas_header.css
+++ b/public/static/index/pc/css/topic_nas_header.css
@@ -54,7 +54,7 @@
 }
 
 .narsPage-head .headcenter .logico {
-    width: 10rem;
+    /* width: 10rem; */
     height: 2.875rem;
     /* width:100% */
 }
\ No newline at end of file