diff --git a/src/admin/templets/search_keywords_main.htm b/src/admin/templets/search_keywords_main.htm
index 0bc21e15..a93bd591 100644
--- a/src/admin/templets/search_keywords_main.htm
+++ b/src/admin/templets/search_keywords_main.htm
@@ -9,8 +9,8 @@
 		<link rel="stylesheet" href="../static/web/css/admin.css">
 		<script src="../static/web/js/jquery.min.js"></script>
 		<script src="../static/web/js/bootstrap.min.js"></script>
-		<script src="js/search.js"></script>
 		<script src="../static/web/js/webajax.js"></script>
+		<script src="js/search.js"></script>
 		<script src="js/main.js"></script>
 		<script>
 		var pageno = 1;
diff --git a/src/theme/dedebiz/article_article.htm b/src/theme/dedebiz/article_article.htm
index d101cff8..e65826b1 100644
--- a/src/theme/dedebiz/article_article.htm
+++ b/src/theme/dedebiz/article_article.htm
@@ -31,7 +31,7 @@
 		<main class="container py-3">
 			<div class="row">
 				<div class="col-md-9">
-					<div class="article-main bg-white shadow-sm rounded p-3">
+					<article class="article-main bg-white shadow-sm rounded p-3">
 						<h2>{dede:field.title/}</h2>
 						<div class="article-meta">
 							<a href="{dede:field.userurl/}" target="_blank"><span><img src="{dede:field.face/}" class="user-img-xs mr-1">{dede:field.uname/}</span></a>
@@ -63,13 +63,13 @@
 						</div>
 						{dede:include filename='widget_article_likes.htm'/}
 						{dede:include filename='widget_article_feedback.htm'/}
-					</div>
+					</article>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		<script>const PHPURL = '{dede:field name="phpurl"/}';</script>
diff --git a/src/theme/dedebiz/article_default.htm b/src/theme/dedebiz/article_default.htm
index 4eb8a733..9c45b2f8 100644
--- a/src/theme/dedebiz/article_default.htm
+++ b/src/theme/dedebiz/article_default.htm
@@ -30,7 +30,7 @@
 		<main class="container py-3">
 			<div class="row">
 				<div class="col-md-9">
-					<div class="article-main bg-white shadow-sm rounded p-3">
+					<article class="article-main bg-white shadow-sm rounded p-3">
 						<h2>{dede:field.title/}</h2>
 						<div class="article-meta">
 							<a href="{dede:field.userurl/}" target="_blank"><span><img src="{dede:field.face/}" class="user-img-xs mr-1">{dede:field.uname/}</span></a>
@@ -74,13 +74,13 @@
 						</div>
 						{dede:include filename='widget_article_likes.htm'/}
 						{dede:include filename='widget_article_feedback.htm'/}
-					</div>
+					</article>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		<script>const PHPURL = '{dede:field name="phpurl"/}';</script>
diff --git a/src/theme/dedebiz/article_default_sg.htm b/src/theme/dedebiz/article_default_sg.htm
index 1b323ea8..62b86af3 100644
--- a/src/theme/dedebiz/article_default_sg.htm
+++ b/src/theme/dedebiz/article_default_sg.htm
@@ -31,7 +31,7 @@
 		<main class="container py-3">
 			<div class="row">
 				<div class="col-md-9">
-					<div class="article-main bg-white shadow-sm rounded p-3">
+					<article class="article-main bg-white shadow-sm rounded p-3">
 						<h2>{dede:field.title/}</h2>
 						<div class="article-meta">
 							<a href="{dede:field.userurl/}" target="_blank"><span><img src="{dede:field.face/}" class="user-img-xs mr-1">{dede:field.uname/}</span></a>
@@ -75,13 +75,13 @@
 						</div>
 						{dede:include filename='widget_article_likes.htm'/}
 						{dede:include filename='widget_article_feedback.htm'/}
-					</div>
+					</article>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		<script>const PHPURL = '{dede:field name="phpurl"/}';</script>
diff --git a/src/theme/dedebiz/article_image.htm b/src/theme/dedebiz/article_image.htm
index c348781d..865c8f8f 100644
--- a/src/theme/dedebiz/article_image.htm
+++ b/src/theme/dedebiz/article_image.htm
@@ -78,7 +78,7 @@
 		<main class="container py-3">
 			<div class="row">
 				<div class="col-md-9">
-					<div class="article-main bg-white shadow-sm rounded p-3">
+					<article class="article-main bg-white shadow-sm rounded p-3">
 						<h2>{dede:field.title/}</h2>
 						<div class="article-meta">
 							<a href="{dede:field.userurl/}" target="_blank"><span><img src="{dede:field.face/}" class="user-img-xs mr-1">{dede:field.uname/}</span></a>
@@ -138,13 +138,13 @@
 						</div>
 						{dede:include filename='widget_article_likes.htm'/}
 						{dede:include filename='widget_article_feedback.htm'/}
-					</div>
+					</article>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		<script>const PHPURL = '{dede:field name="phpurl"/}';</script>
diff --git a/src/theme/dedebiz/article_infos.htm b/src/theme/dedebiz/article_infos.htm
index bbcd950a..f2594603 100644
--- a/src/theme/dedebiz/article_infos.htm
+++ b/src/theme/dedebiz/article_infos.htm
@@ -30,7 +30,7 @@
 		<main class="container py-3">
 			<div class="row">
 				<div class="col-md-9">
-					<div class="article-main bg-white shadow-sm rounded p-3">
+					<article class="article-main bg-white shadow-sm rounded p-3">
 						<h2>{dede:field.title/}</h2>
 						<div class="article-meta">
 							<a href="{dede:field.userurl/}" target="_blank"><span><img src="{dede:field.face/}" class="user-img-xs mr-1">{dede:field.uname/}</span></a>
@@ -70,13 +70,13 @@
 						</div>
 						{dede:include filename='widget_article_likes.htm'/}
 						{dede:include filename='widget_article_feedback.htm'/}
-					</div>
+					</article>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		<script>const PHPURL = '{dede:field name="phpurl"/}';</script>
diff --git a/src/theme/dedebiz/article_soft.htm b/src/theme/dedebiz/article_soft.htm
index c13100b2..60f2ee7b 100644
--- a/src/theme/dedebiz/article_soft.htm
+++ b/src/theme/dedebiz/article_soft.htm
@@ -30,7 +30,7 @@
 		<main class="container py-3">
 			<div class="row">
 				<div class="col-md-9">
-					<div class="article-main bg-white shadow-sm rounded p-3">
+					<article class="article-main bg-white shadow-sm rounded p-3">
 						<h2>{dede:field.title/}</h2>
 						<div class="article-meta">
 							<a href="{dede:field.userurl/}" target="_blank"><span><img src="{dede:field.face/}" class="user-img-xs mr-1">{dede:field.uname/}</span></a>
@@ -78,13 +78,13 @@
 						</div>
 						{dede:include filename='widget_article_likes.htm'/}
 						{dede:include filename='widget_article_feedback.htm'/}
-					</div>
+					</article>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		<script>const PHPURL = '{dede:field name="phpurl"/}';</script>
diff --git a/src/theme/dedebiz/article_spec.htm b/src/theme/dedebiz/article_spec.htm
index f84ff7c5..b0fd2e13 100644
--- a/src/theme/dedebiz/article_spec.htm
+++ b/src/theme/dedebiz/article_spec.htm
@@ -30,7 +30,7 @@
 		<main class="container py-3">
 			<div class="row">
 				<div class="col-md-9">
-					<div class="article-main bg-white shadow-sm rounded p-3">
+					<article class="article-main bg-white shadow-sm rounded p-3">
 						<h2>{dede:field.title/}</h2>
 						<div class="article-meta">
 							<a href="{dede:field.userurl/}" target="_blank"><span><img src="{dede:field.face/}" class="user-img-xs mr-1">{dede:field.uname/}</span></a>
@@ -42,13 +42,13 @@
 						<div class="py-3">{dede:field.body/}</div>
 						<div class="py-3">作者：{dede:adminname/}</div>
 						<div class="alert alert-success my-3">{dede:softmsg/}</div>
-					</div>
+					</article>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		<script>const PHPURL = '{dede:field name="phpurl"/}';</script>
diff --git a/src/theme/dedebiz/index.htm b/src/theme/dedebiz/index.htm
index 422316c3..0b3d101b 100644
--- a/src/theme/dedebiz/index.htm
+++ b/src/theme/dedebiz/index.htm
@@ -15,7 +15,7 @@
 	<body class="body-bg">
 		{dede:include filename='top.htm'/}
 		{dede:include filename='head.htm'/}
-		<div class="container py-3">
+		<section class="container py-3">
 			<div class="row">
 				<div class="col-md-3 m-pb-2">{dede:include comment='栏目列表' filename='widget_menu.htm'/}</div>
 				<div class="col-md-6 m-pb-2">
@@ -46,8 +46,8 @@
 				</div>
 				<div class="col-md-3">{dede:include comment='推荐文档' filename='widget_recommend.htm'/}</div>
 			</div>
-		</div>
-		<div class="container py-3">
+		</section>
+		<section class="container py-3">
 			<div class="row biz-mb">{dede:channelartlist typeid='1,1'}
 				<div class="col-md-12 mb-3">
 					<div class="item-title text-left">
@@ -55,7 +55,7 @@
 					</div>
 				</div>{dede:arclist row='3' orderby='rand'}
 				<div class="col-md-4">
-					<div class="item-theme bg-white shadow-sm rounded">
+					<article class="item-theme bg-white shadow-sm rounded">
 						<div class="item-theme-img">[field:array runphp='yes']@me=(strpos(@me['litpic'],'thumbnail')?"":"<a href='{@me['arcurl']}'><img src='{@me['litpic']}' alt='{@me['title']}' title='{@me['title']}'></a>");[/field:array]</div>
 						<div class="item-theme-box">
 							<h4 class="mb-3"><a href="[field:arcurl/]" target="_blank">[field:flag runphp='yes']if (stristr(@me,"h")) @me="<span class='btn btn-success btn-sm mr-2'>头条</span>";else if(stristr(@me,"c")) @me="<span class='btn btn-success btn-sm mr-2'>推荐</span>";else @me="";[/field:flag][field:title/]</a></h4>
@@ -70,11 +70,11 @@
 								</div>
 							</div>
 						</div>
-					</div>
+					</article>
 				</div>{/dede:arclist}{/dede:channelartlist}
 			</div>
-		</div><!--该布局适用于软件模型-->
-		<div class="container py-3">
+		</section><!--该布局适用于软件模型-->
+		<section class="container py-3">
 			<div class="row biz-mb">{dede:channelartlist typeid='2,2'}
 				<div class="col-md-12 mb-3">
 					<div class="item-title text-left">
@@ -82,7 +82,7 @@
 					</div>
 				</div>{dede:arclist row='3' orderby='rand'}
 				<div class="col-md-4">
-					<div class="item-news bg-white shadow-sm rounded">
+					<article class="item-news bg-white shadow-sm rounded">
 						<div class="item-news-img">[field:array runphp='yes']@me=(strpos(@me['litpic'],'thumbnail')?"":"<a href='{@me['arcurl']}'><img src='{@me['litpic']}' alt='{@me['title']}' title='{@me['title']}'></a>");[/field:array]</div>
 						<h4><a href="[field:arcurl/]" target="_blank">[field:title/]</a></h4>
 						<div class="mb-3">
@@ -92,38 +92,38 @@
 							<span>[field:pubdate function="MyDate('Y-m-d',@me)"/]</span>
 						</div>
 						<p>[field:description function="cn_substr(@me,180)"/]... </p>
-					</div>
+					</article>
 				</div>{/dede:arclist}{/dede:channelartlist}
 			</div>
-		</div><!--该布局适用于文档和图片模型-->
-		<div class="container py-3">
+		</section><!--该布局适用于文档和图片模型-->
+		<section class="container py-3">
 			<div class="row">{dede:channelartlist typeid='3,3'}
 				<div class="col-md-4 m-pb-2">
-					<div class="item-article bg-white shadow-sm rounded p-3">
+					<article class="item-article bg-white shadow-sm rounded p-3">
 						<h2 class="mb-3">{dede:field.typename/}</h2>
 						<ul>{dede:arclist row='10' titlelen='120' orderby='rand'}
 							<li>[field:global.autoindex/].<a title="[field:fulltitle/]" href="[field:arcurl/]">[field:title/]</a></li>{/dede:arclist}
 						</ul>
-					</div>
+					</article>
 				</div>{/dede:channelartlist}{dede:channelartlist typeid='4,4'}
 				<div class="col-md-4">
-					<div class="item-article bg-white shadow-sm rounded p-3">
+					<article class="item-article bg-white shadow-sm rounded p-3">
 						<h2 class="mb-3">{dede:field.typename/}</h2>
 						<ul>{dede:arclist row='10' titlelen='120' orderby='rand'}
 							<li>[field:global.autoindex/].<a title="[field:fulltitle/]" href="[field:arcurl/]">[field:title/]</a></li>{/dede:arclist}
 						</ul>
-					</div>
+					</article>
 				</div>{/dede:channelartlist}{dede:channelartlist typeid='5,5'}
 				<div class="col-md-4">
-					<div class="item-article bg-white shadow-sm rounded p-3">
+					<article class="item-article bg-white shadow-sm rounded p-3">
 						<h2 class="mb-3">{dede:field.typename/}</h2>
 						<ul>{dede:arclist row='10' titlelen='120' orderby='rand'}
 							<li>[field:global.autoindex/].<a title="[field:fulltitle/]" href="[field:arcurl/]">[field:title/]</a></li>{/dede:arclist}
 						</ul>
-					</div>
+					</article>
 				</div>{/dede:channelartlist}
 			</div>
-		</div><!--该布局适用于文档和图片模型-->
+		</section><!--该布局适用于文档和图片模型-->
 		{dede:include filename='foot.htm'/}
 	</body>
 </html>
\ No newline at end of file
diff --git a/src/theme/dedebiz/index_article.htm b/src/theme/dedebiz/index_article.htm
index e46428cf..af2482c6 100644
--- a/src/theme/dedebiz/index_article.htm
+++ b/src/theme/dedebiz/index_article.htm
@@ -33,20 +33,20 @@
 					<div class="row">
 						{dede:channelartlist}
 						<div class="col-md-6 mb-3">
-							<div class="item-article bg-white shadow-sm rounded mb-3 p-3">
+							<article class="item-article bg-white shadow-sm rounded mb-3 p-3">
 								<h2 class="mb-3">{dede:field.typename/}</h2>
 								<ul>{dede:arclist row='10' titlelen='120' orderby='rand'}
 									<li>[field:global.autoindex/].<a title="[field:fulltitle/]" href="[field:arcurl/]">[field:title/]</a></li>{/dede:arclist}
 								</ul>
-							</div>
+							</article>
 						</div>{/dede:channelartlist}
 					</div>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		{dede:include filename='foot.htm'/}
diff --git a/src/theme/dedebiz/index_default.htm b/src/theme/dedebiz/index_default.htm
index e46428cf..af2482c6 100644
--- a/src/theme/dedebiz/index_default.htm
+++ b/src/theme/dedebiz/index_default.htm
@@ -33,20 +33,20 @@
 					<div class="row">
 						{dede:channelartlist}
 						<div class="col-md-6 mb-3">
-							<div class="item-article bg-white shadow-sm rounded mb-3 p-3">
+							<article class="item-article bg-white shadow-sm rounded mb-3 p-3">
 								<h2 class="mb-3">{dede:field.typename/}</h2>
 								<ul>{dede:arclist row='10' titlelen='120' orderby='rand'}
 									<li>[field:global.autoindex/].<a title="[field:fulltitle/]" href="[field:arcurl/]">[field:title/]</a></li>{/dede:arclist}
 								</ul>
-							</div>
+							</article>
 						</div>{/dede:channelartlist}
 					</div>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		{dede:include filename='foot.htm'/}
diff --git a/src/theme/dedebiz/index_default_sg.htm b/src/theme/dedebiz/index_default_sg.htm
index e46428cf..af2482c6 100644
--- a/src/theme/dedebiz/index_default_sg.htm
+++ b/src/theme/dedebiz/index_default_sg.htm
@@ -33,20 +33,20 @@
 					<div class="row">
 						{dede:channelartlist}
 						<div class="col-md-6 mb-3">
-							<div class="item-article bg-white shadow-sm rounded mb-3 p-3">
+							<article class="item-article bg-white shadow-sm rounded mb-3 p-3">
 								<h2 class="mb-3">{dede:field.typename/}</h2>
 								<ul>{dede:arclist row='10' titlelen='120' orderby='rand'}
 									<li>[field:global.autoindex/].<a title="[field:fulltitle/]" href="[field:arcurl/]">[field:title/]</a></li>{/dede:arclist}
 								</ul>
-							</div>
+							</article>
 						</div>{/dede:channelartlist}
 					</div>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		{dede:include filename='foot.htm'/}
diff --git a/src/theme/dedebiz/index_image.htm b/src/theme/dedebiz/index_image.htm
index 2d8946ea..45feb79f 100644
--- a/src/theme/dedebiz/index_image.htm
+++ b/src/theme/dedebiz/index_image.htm
@@ -35,7 +35,7 @@
 					</div>
 				</div>{dede:arclist row='3' orderby='rand'}
 				<div class="col-md-4">
-					<div class="item-news bg-white shadow-sm rounded">
+					<article class="item-news bg-white shadow-sm rounded">
 						<div class="item-news-img">[field:array runphp='yes']@me=(strpos(@me['litpic'],'thumbnail')?"":"<a href='{@me['arcurl']}'><img src='{@me['litpic']}' alt='{@me['title']}' title='{@me['title']}'></a>");[/field:array]</div>
 						<h4><a href="[field:arcurl/]" target="_blank">[field:title/]</a></h4>
 						<div class="mb-3">
@@ -45,7 +45,7 @@
 							<span>[field:pubdate function="MyDate('Y-m-d',@me)"/]</span>
 						</div>
 						<p>[field:description function="cn_substr(@me,180)"/]... </p>
-					</div>
+					</article>
 				</div>{/dede:arclist}{/dede:channelartlist}
 			</div>
 		</main>
diff --git a/src/theme/dedebiz/index_infos.htm b/src/theme/dedebiz/index_infos.htm
index 20946b2d..8fdabd26 100644
--- a/src/theme/dedebiz/index_infos.htm
+++ b/src/theme/dedebiz/index_infos.htm
@@ -33,20 +33,20 @@
 					<div class="row">
 						{dede:channelartlist}
 						<div class="col-md-6 mb-3">
-							<div class="item-article bg-white shadow-sm rounded mb-3 p-3">
+							<article class="item-article bg-white shadow-sm rounded mb-3 p-3">
 								<h2 class="mb-3">{dede:field.typename/}</h2>
 								<ul>{dede:arclistsg row='10' titlelen='120' orderby='rand'}
 									<li>[field:global.autoindex/].<a title="[field:fulltitle/]" href="[field:arcurl/]">[field:title/]</a></li>{/dede:arclistsg}
 								</ul>
-							</div>
+							</article>
 						</div>{/dede:channelartlist}
 					</div>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		{dede:include filename='foot.htm'/}
diff --git a/src/theme/dedebiz/index_soft.htm b/src/theme/dedebiz/index_soft.htm
index 1f464863..7d04d370 100644
--- a/src/theme/dedebiz/index_soft.htm
+++ b/src/theme/dedebiz/index_soft.htm
@@ -35,7 +35,7 @@
 					</div>
 				</div>{dede:arclist row='3' orderby='rand'}
 				<div class="col-md-4">
-					<div class="item-news bg-white shadow-sm rounded">
+					<article class="item-news bg-white shadow-sm rounded">
 						<div class="item-news-img">[field:array runphp='yes']@me=(strpos(@me['litpic'],'thumbnail')?"":"<a href='{@me['arcurl']}'><img src='{@me['litpic']}' alt='{@me['title']}' title='{@me['title']}'></a>");[/field:array]</div>
 						<h4><a href="[field:arcurl/]" target="_blank">[field:title/]</a></h4>
 						<div class="mb-3">
@@ -48,7 +48,7 @@
 						<div>
 							<span class="mr-2">下载次数：<script src="/apps/disdls.php?aid=[field:id/]"></script></span>
 						</div>
-					</div>
+					</article>
 				</div>{/dede:arclist}{/dede:channelartlist}
 			</div>
 		</main>
diff --git a/src/theme/dedebiz/list_article.htm b/src/theme/dedebiz/list_article.htm
index fbc1dc29..e477172c 100644
--- a/src/theme/dedebiz/list_article.htm
+++ b/src/theme/dedebiz/list_article.htm
@@ -32,7 +32,7 @@
 				<div class="col-md-9 m-pb-2">
 					<div class="row">{dede:list pagesize='10'}
 						<div class="col-md-12 mb-3">
-							<div class="list-article mb-3">
+							<article class="list-article mb-3">
 								<div class="list-article-body bg-white rounded shadow-sm p-3">
 									<h2 class="mb-3"><a href="[field:arcurl/]">[field:title/]</a></h2>
 									<div class="mb-3">
@@ -41,16 +41,16 @@
 									</div>
 									<p>[field:description function="cn_substr(@me,180)"/]...</p>
 								</div>
-							</div>
+							</article>
 						</div>{/dede:list}
 					</div>
 					<ul class="pagination">{dede:pagelist listitem='info,index,end,pre,next,pageno' listsize='1'/}</ul>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		{dede:include filename='foot.htm'/}
diff --git a/src/theme/dedebiz/list_default.htm b/src/theme/dedebiz/list_default.htm
index fbc1dc29..e477172c 100644
--- a/src/theme/dedebiz/list_default.htm
+++ b/src/theme/dedebiz/list_default.htm
@@ -32,7 +32,7 @@
 				<div class="col-md-9 m-pb-2">
 					<div class="row">{dede:list pagesize='10'}
 						<div class="col-md-12 mb-3">
-							<div class="list-article mb-3">
+							<article class="list-article mb-3">
 								<div class="list-article-body bg-white rounded shadow-sm p-3">
 									<h2 class="mb-3"><a href="[field:arcurl/]">[field:title/]</a></h2>
 									<div class="mb-3">
@@ -41,16 +41,16 @@
 									</div>
 									<p>[field:description function="cn_substr(@me,180)"/]...</p>
 								</div>
-							</div>
+							</article>
 						</div>{/dede:list}
 					</div>
 					<ul class="pagination">{dede:pagelist listitem='info,index,end,pre,next,pageno' listsize='1'/}</ul>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		{dede:include filename='foot.htm'/}
diff --git a/src/theme/dedebiz/list_default_sg.htm b/src/theme/dedebiz/list_default_sg.htm
index 5cba8930..29188605 100644
--- a/src/theme/dedebiz/list_default_sg.htm
+++ b/src/theme/dedebiz/list_default_sg.htm
@@ -32,7 +32,7 @@
 				<div class="col-md-9 m-pb-2">
 					<div class="row">{dede:list pagesize='10'}
 						<div class="col-md-12 mb-3">
-							<div class="list-article mb-3">
+							<article class="list-article mb-3">
 								<div class="list-article-body bg-white rounded shadow-sm p-3">
 									<h2 class="mb-3"><a href="[field:arcurl/]">[field:title/]</a></h2>
 									<div class="mb-3">
@@ -41,16 +41,16 @@
 									</div>
 									<p>[field:description function="cn_substr(@me,120)"/]...</p>
 								</div>
-							</div>
+							</article>
 						</div>{/dede:list}
 					</div>
 					<ul class="pagination">{dede:pagelist listitem='info,index,end,pre,next,pageno' listsize='1'/}</ul>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		{dede:include filename='foot.htm'/}
diff --git a/src/theme/dedebiz/list_free.htm b/src/theme/dedebiz/list_free.htm
index bcc3348f..7d3ac211 100644
--- a/src/theme/dedebiz/list_free.htm
+++ b/src/theme/dedebiz/list_free.htm
@@ -37,11 +37,11 @@
 					</div>
 					<ul class="pagination">{dede:pagelist listitem='info,index,end,pre,next,pageno' listsize='1'/}</ul>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		{dede:include filename='foot.htm'/}
diff --git a/src/theme/dedebiz/list_image.htm b/src/theme/dedebiz/list_image.htm
index 6a27e524..7f40218d 100644
--- a/src/theme/dedebiz/list_image.htm
+++ b/src/theme/dedebiz/list_image.htm
@@ -32,7 +32,7 @@
 				<div class="col-md-9 m-pb-2">
 					<div class="row">{dede:list pagesize='10'}
 						<div class="col-md-6 mb-3">
-							<div class="list-article rounded mb-3">
+							<article class="list-article rounded mb-3">
 								<div class="list-article-img">[field:array runphp='yes']@me=(strpos(@me['litpic'],'thumbnail')?"":"<a href='{@me['arcurl']}'><img src='{@me['litpic']}' alt='{@me['title']}' title='{@me['title']}'></a>");[/field:array]</div>
 								<div class="list-article-body list-article-radius bg-white shadow-sm p-3">
 									<h2 class="mb-3"><a href="[field:arcurl/]">[field:title/]</a></h2>
@@ -42,16 +42,16 @@
 									</div>
 									<p>[field:description function="cn_substr(@me,120)"/]...</p>
 								</div>
-							</div>
+							</article>
 						</div>{/dede:list}
 					</div>
 					<ul class="pagination">{dede:pagelist listitem='info,index,end,pre,next,pageno' listsize='1'/}</ul>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		{dede:include filename='foot.htm'/}
diff --git a/src/theme/dedebiz/list_infos.htm b/src/theme/dedebiz/list_infos.htm
index 8960a90d..e1ec41bc 100644
--- a/src/theme/dedebiz/list_infos.htm
+++ b/src/theme/dedebiz/list_infos.htm
@@ -42,7 +42,7 @@
 						{/dede:infolink}
 						{dede:list pagesize='10'}
 						<div class="col-md-12 mb-3">
-							<div class="list-article mb-3">
+							<article class="list-article mb-3">
 								<div class="list-article-body bg-white rounded shadow-sm p-3">
 									<h2 class="mb-3"><a href="[field:arcurl/]">[field:title/]</a></h2>
 									<div class="mb-3">
@@ -51,12 +51,12 @@
 									</div>
 									<p>[field:description function="cn_substr(@me,180)"/]...</p>
 								</div>
-							</div>
+							</article>
 						</div>{/dede:list}
 					</div>
 					<ul class="pagination">{dede:pagelist listitem='info,index,end,pre,next,pageno' listsize='1'/}</ul>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">
 						<div class="list-info-search bg-white shadow-sm rounded p-3">
@@ -79,7 +79,7 @@
 					</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		{dede:include filename='foot.htm'/}
diff --git a/src/theme/dedebiz/list_soft.htm b/src/theme/dedebiz/list_soft.htm
index 15ab4c40..27434da6 100644
--- a/src/theme/dedebiz/list_soft.htm
+++ b/src/theme/dedebiz/list_soft.htm
@@ -32,7 +32,7 @@
 				<div class="col-md-9 m-pb-2">
 					<div class="row">{dede:list pagesize='10'}
 						<div class="col-md-6 mb-3">
-							<div class="list-article rounded mb-3">
+							<article class="list-article rounded mb-3">
 								<div class="list-article-img">[field:array runphp='yes']@me=(strpos(@me['litpic'],'thumbnail')?"":"<a href='{@me['arcurl']}'><img src='{@me['litpic']}' alt='{@me['title']}' title='{@me['title']}'></a>");[/field:array]</div>
 								<div class="list-article-body bg-white shadow-sm p-3">
 									<h2 class="mb-3"><a href="[field:arcurl/]">[field:title/]</a></h2>
@@ -45,16 +45,16 @@
 										<span class="mr-2">下载次数：<script src="/apps/disdls.php?aid=[field:id/]"></script></span>
 									</div>
 								</div>
-							</div>
+							</article>
 						</div>{/dede:list}
 					</div>
 					<ul class="pagination">{dede:pagelist listitem='info,index,end,pre,next,pageno' listsize='1'/}</ul>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		{dede:include filename='foot.htm'/}
diff --git a/src/theme/dedebiz/list_spec.htm b/src/theme/dedebiz/list_spec.htm
index 51b23c1d..1933075d 100644
--- a/src/theme/dedebiz/list_spec.htm
+++ b/src/theme/dedebiz/list_spec.htm
@@ -32,7 +32,7 @@
 				<div class="col-md-9 m-pb-2">
 					<div class="row">{dede:list pagesize='10'}
 						<div class="col-md-12 mb-3">
-							<div class="list-article mb-3">
+							<article class="list-article mb-3">
 								<div class="list-article-body bg-white rounded shadow-sm p-3">
 									<h2 class="mb-3"><a href="[field:arcurl/]">[field:title/]</a></h2>
 									<div class="mb-3">
@@ -41,16 +41,16 @@
 									</div>
 									<p>[field:description function="cn_substr(@me,180)"/]...</p>
 								</div>
-							</div>
+							</article>
 						</div>{/dede:list}
 					</div>
 					<ul class="pagination">{dede:pagelist listitem='info,index,end,pre,next,pageno' listsize='1'/}</ul>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">{dede:include filename='widget_search.htm'/}</div>
 					<div class="py-3">{dede:include filename='widget_menu.htm'/}</div>
 					<div class="pt-3">{dede:include filename='widget_hot.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		{dede:include filename='foot.htm'/}
diff --git a/src/theme/dedebiz/search.htm b/src/theme/dedebiz/search.htm
index c23d3411..67183ae7 100644
--- a/src/theme/dedebiz/search.htm
+++ b/src/theme/dedebiz/search.htm
@@ -27,7 +27,7 @@
 				<div class="col-12 m-pb-2">
 					<div class="row">{dede:list pagesize='10'}
 						<div class="col-md-12 mb-3">
-							<div class="list-article mb-3">
+							<article class="list-article mb-3">
 								<div class="list-article-body bg-white rounded shadow-sm p-3">
 									<h2 class="mb-3"><a href="[field:arcurl/]">[field:title/]</a></h2>
 									<div class="mb-3">
@@ -36,7 +36,7 @@
 									</div>
 									<p>[field:description function='cn_substr(Html2text("@me"),180)'/]...</p>
 								</div>
-							</div>
+							</article>
 						</div>{/dede:list}
 					</div>
 					<ul class="pagination">{dede:pagelist listitem='info,index,end,pre,next,pageno' listsize='1'/}</ul>
diff --git a/src/theme/dedebiz/taglist.htm b/src/theme/dedebiz/taglist.htm
index 4a579172..72740f02 100644
--- a/src/theme/dedebiz/taglist.htm
+++ b/src/theme/dedebiz/taglist.htm
@@ -33,7 +33,7 @@
 				<div class="col-md-9 m-pb-2">
 					<div class="row">{dede:list pagesize='10'}
 						<div class="col-md-12 mb-3">
-							<div class="list-article mb-3">
+							<article class="list-article mb-3">
 								<div class="list-article-body bg-white rounded shadow-sm p-3">
 									<h2 class="mb-3"><a href="[field:arcurl/]">[field:title/]</a></h2>
 									<div class="mb-3">
@@ -42,12 +42,12 @@
 									</div>
 									<p>[field:description function="cn_substr(@me,180)"/]...</p>
 								</div>
-							</div>
+							</article>
 						</div>{/dede:list}
 					</div>
 					<ul class="pagination">{dede:pagelist listitem='info,index,end,pre,next,pageno' listsize='1'/}</ul>
 				</div>
-				<div class="col-md-3">
+				<aside class="col-md-3">
 					<div class="pb-3">
 						<div class="item-hot bg-white shadow-sm rounded p-3">
 							<form class="search" name="formsearch" action="{dede:global.cfg_cmsurl/}/apps/search.php">
@@ -61,7 +61,7 @@
 					</div>
 					<div class="pb-3">{dede:include comment='热点文档' filename='widget_hot.htm'/}</div>
 					<div class="pb-3">{dede:include comment='推荐文档' filename='widget_recommend.htm'/}</div>
-				</div>
+				</aside>
 			</div>
 		</main>
 		<script>const currentNavTypeID = '{dede:field.id/}';</script>
diff --git a/src/theme/dedebiz/top.htm b/src/theme/dedebiz/top.htm
index 7335a08d..eb8e06b5 100644
--- a/src/theme/dedebiz/top.htm
+++ b/src/theme/dedebiz/top.htm
@@ -1,4 +1,4 @@
-<div class="site-nav bg-white shadow-sm mb-3 py-3">
+<section class="site-nav bg-white shadow-sm mb-3 py-3">
 	<div class="container">
 		<div class="row">
 			<div class="col-4 col-md-6 logo"><a href="/"><img src="/static/web/img/logo.png" alt="{dede:global.cfg_webname/}"></a></div>
@@ -9,4 +9,4 @@
 			</div>
 		</div>
 	</div>
-</div>
\ No newline at end of file
+</section>
\ No newline at end of file