diff --git a/themes/gitbook/components/NavPostList.js b/themes/gitbook/components/NavPostList.js
index 48222a46..ceef2105 100644
--- a/themes/gitbook/components/NavPostList.js
+++ b/themes/gitbook/components/NavPostList.js
@@ -17,19 +17,19 @@ const NavPostList = (props) => {
   const groupedArray = filteredNavPages?.reduce((groups, item) => {
     const categoryName = item?.category ? item?.category : '' // 将category转换为字符串
 
+    let existingGroup = null
     // 开启自动分组排序
     if (JSON.parse(CONFIG.AUTO_SORT)) {
-      const existingGroup = groups.find(group => group.category === categoryName)
-      if (existingGroup) {
-        existingGroup.items.push(item)
-      } else {
-        groups.push({ category: categoryName, items: [item] })
-      }
+      existingGroup = groups.find(group => group.category === categoryName) // 搜索同名的最后一个分组
     } else {
-      const lastGroup = groups[groups.length - 1] // 获取最后一个分组
-      if (!lastGroup || lastGroup?.category !== categoryName) { // 如果当前元素的category与上一个元素不同，则创建新分组
-        groups.push({ category: categoryName, items: [] })
-      }
+      existingGroup = groups[groups.length - 1] // 获取最后一个分组
+    }
+
+    // 添加数据
+    if (existingGroup && existingGroup.category === categoryName) {
+      existingGroup.items.push(item)
+    } else {
+      groups.push({ category: categoryName, items: [item] })
     }
     return groups
   }, [])