diff --git a/templates/common/head.html b/templates/common/head.html
index 34eb646..46da46d 100644
--- a/templates/common/head.html
+++ b/templates/common/head.html
@@ -1,5 +1,5 @@
 <head xmlns:th="https://www.thymeleaf.org" th:fragment="head"
-th:with="description=${isPost ? post != null ? post.spec.excerpt.raw : singlePage.spec.excerpt.raw : site.seo.description}">
+th:with="description=${isPost ? post != null ? post.spec.excerpt.raw : singlePage != null ? singlePage.spec.excerpt.raw : site.seo.description : site.seo.description}">
   <title th:text="${title + (#strings.isEmpty(site.subtitle) ? '' : '|' + site.subtitle)}"></title>
   <script th:if="${(theme.config.enhance.enable_sw != 'false')}" th:src="${(theme.config.enhance.enable_sw == 'uninstall')? #theme.assets('/assets/js/sw.min.js') + '?mew=0.0.1' : '/sw.min.js?mew=0.0.1' + theme.config.enhance.enable_sw}"></script>
   <meta charset="utf-8"/>
diff --git a/templates/common/scripts.html b/templates/common/scripts.html
index 9faba5f..56e2613 100644
--- a/templates/common/scripts.html
+++ b/templates/common/scripts.html
@@ -1,7 +1,7 @@
 <th:block xmlns:th="https://www.thymeleaf.org">
     <script th:src="@{/assets/js/utils.min.js(mew=${theme.spec.version})}"></script>
     <script th:src="@{/assets/js/btoc.min.js(mew=${theme.spec.version})}"></script>
-    <script th:if="${isFirstIndex && !#strings.isEmpty(theme.config.basic_style.carousel_options)}" data-pjax
+    <script th:if="${isFirstIndex == true && !#lists.isEmpty(theme.config.basic_style.carousel_options)}" data-pjax
             th:src="@{/assets/lib/swiper@8.4.6/swiper-bundle.min.js}"></script>
     <script th:src="@{/assets/js/common.min.js(mew=${theme.spec.version})}"></script>
 
diff --git a/templates/error/error.html b/templates/error/error.html
new file mode 100644
index 0000000..2d6a6e3
--- /dev/null
+++ b/templates/error/error.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<th:block xmlns:th="https://www.thymeleaf.org"
+          th:insert="~{common/layout :: layout (title = ${error.status + ' - ' + #strings.defaultString(error.title, 'Internal server error')},
+       canonical = ${site.url + '/' + error.status}, content = ~{::content}, isPost = true)}">
+    <th:block th:fragment="content"
+    th:with="posts = ${postFinder.list(1,6)}, isEmpty = ${#lists.isEmpty(posts)}">
+        <div class="card">
+            <div class="title card-content main-title" th:text="${error.status + '错误 - ' + site.title}"></div>
+        </div>
+        <div class="card">
+            <div class="card-content">
+                <div class="main-content">
+                    <div style="margin: 20px 0; text-align: center; ">
+                        <i style="font-size: 7rem" th:text="${error.status}"></i>
+                        <p th:if="${error.status == 404}" style="font-size: 1.4em;text-indent: 2em;">找不到网页，可能已被删除，去<a th:href='${site.url}'>首页</a>看看吧。</p>
+                        <p th:unless="${error.status == 404}" style="font-size: 1.4em;text-indent: 2em;">围观群众太过热情，服务器繁忙，请稍后访问。</p>
+                    </div>
+                    <pre th:if="${not #strings.isEmpty(error.detail)}"><code class="|异常信息">[(${#strings.defaultString(error.title, 'Internal server error')} + ':
+' + ${error.detail})]</code></pre>
+                </div>
+            </div>
+        </div>
+        <th:block th:if="${!isEmpty}">
+            <div class="card">
+                <div class="title card-content main-title">最新文章推荐</div>
+            </div>
+            <th:block th:replace="~{main/article_list :: articleList (${posts.items})}"/>
+        </th:block>
+    </th:block>
+</th:block>
\ No newline at end of file
diff --git a/templates/index.html b/templates/index.html
index 73414f0..bbd2e24 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -15,7 +15,7 @@
   </th:block>
 
   <th:block th:if="${posts.first}" th:fragment="firstIndex"
-            th:with="moduleSize = ${#lists.size(theme.config.basic_style.module_options)}, isModule = ${(theme.config.basic_style.sidebar_column=='module-left' || theme.config.basic_style.sidebar_column=='module-right') && moduleSize > 0}">
+            th:with="moduleSize = ${#lists.isEmpty(theme.config.basic_style.module_options) ? 0 : #lists.size(theme.config.basic_style.module_options)}, isModule = ${(theme.config.basic_style.sidebar_column=='module-left' || theme.config.basic_style.sidebar_column=='module-right') && moduleSize > 0}">
     <th:block th:if="${isModule}">
       <div class="model model-index">
         <th:block th:replace="~{::carousel}"/>
