diff --git a/public/themes/dist_static/static/js/download.js b/public/themes/dist_static/static/js/download.js
index 032c59e..45b46eb 100644
--- a/public/themes/dist_static/static/js/download.js
+++ b/public/themes/dist_static/static/js/download.js
@@ -40,16 +40,19 @@ $(function() {
 		if (!tabId) return;
 		const $dropdownItem = $(`.d-tabs__dropdown-item[data-tab="${tabId}"]`).first();
 		if ($dropdownItem.length) {
-			$dropdownItem.addClass("is-active").siblings().removeClass("is-active");
+			$(".d-tabs__dropdown-item").removeClass("is-active");
+			$dropdownItem.addClass("is-active");
 			const $trigger = $dropdownItem.closest(".d-tabs__group").find("[data-dropdown-trigger]");
 			$trigger.find("span").text($dropdownItem.text());
 			activateTab($trigger);
 			return;
 		}
+		$(".d-tabs__dropdown-item").removeClass("is-active");
 		const $target = $(`.d-tabs__item[data-tab="${tabId}"]`).first();
 		if ($target.length) activateTab($target);
 	};
 	$(".d-tabs__item:not([data-dropdown-trigger])").on("click", function() {
+		$(".d-tabs__dropdown-item").removeClass("is-active");
 		activateTab($(this));
 		closeDropdowns();
 	});
@@ -65,7 +68,8 @@ $(function() {
 	});
 	$(".d-tabs__dropdown-item").on("click", function() {
 		const $item = $(this);
-		$item.addClass("is-active").siblings().removeClass("is-active");
+		$(".d-tabs__dropdown-item").removeClass("is-active");
+		$item.addClass("is-active");
 		const $trigger = $item.closest(".d-tabs__group").find("[data-dropdown-trigger]");
 		$trigger.find("span").text($item.text());
 		activateTab($trigger);
diff --git a/public/themes/website/1/zh/demo/download.html b/public/themes/website/1/zh/demo/download.html
index 609a39f..77c6e01 100644
--- a/public/themes/website/1/zh/demo/download.html
+++ b/public/themes/website/1/zh/demo/download.html
@@ -64,10 +64,18 @@
       </div>
       <div class="d-toolbar">
         <div class="d-tabs" role="tablist" aria-label="资料分类">
-          <button type="button" class="d-tabs__item is-active" role="tab" data-tab="{$current_cate.id}" aria-selected="true">全部</button>
+          {php}
+          $download_cid = (string)input('cid', '');
+          if ($download_cid === '') {
+            $download_cid = (string)($current_cate['id'] ?? '');
+          }
+          $download_all_id = (string)($current_cate['id'] ?? '');
+          {/php}
+          <button type="button" class="d-tabs__item{if $download_cid == $download_all_id} is-active{/if}" role="tab" data-tab="{$current_cate.id}" aria-selected="{if $download_cid == $download_all_id}true{else /}false{/if}">全部</button>
           {volist name="sub_cates" id="vo"}
           {php}
           $count = getCategoryChildrenCount($vo['id']);
+          $vo_id = (string)($vo['id'] ?? '');
           {/php}
           {if $count > 0}
           <div class="d-tabs__group">
@@ -77,14 +85,14 @@
                 <path d="M0.636353 0.636272L5.63635 5.63627L10.6364 0.63623" stroke="currentColor" stroke-width="1.8" />
               </svg>
             </button>
-            {hcTaglib:subcategory pid="$vo.id" item="child" sort=""}
             <div class="d-tabs__dropdown" data-dropdown hidden>
-              <button type="button" class="d-tabs__dropdown-item is-active" data-tab="{$child.id}">{$child.title}</button>
+              {hcTaglib:subcategory pid="$vo.id" item="child" sort=""}
+              <button type="button" class="d-tabs__dropdown-item{if $download_cid == $child['id']} is-active{/if}" data-tab="{$child.id}">{$child.title}</button>
+              {/hcTaglib:subcategory}
             </div>
-            {/hcTaglib:subcategory}
           </div>
           {else}
-          <button type="button" class="d-tabs__item" role="tab" aria-selected="false" data-tab="{$vo.id}">{$vo.title}</button>
+          <button type="button" class="d-tabs__item{if $download_cid == $vo_id} is-active{/if}" role="tab" aria-selected="{if $download_cid == $vo_id}true{else /}false{/if}" data-tab="{$vo.id}">{$vo.title}</button>
           {/if}
           {/volist}
         </div>