Update 481.md

docSite/content/docs/development/upgrading/481.md

 ---
-title: 'V4.8.1'
+title: 'V4.8.1(需要初始化)'
 description: 'FastGPT V4.8.1 更新说明'
 icon: 'upgrade'
 draft: false
@@ -36,4 +36,4 @@ curl --location --request POST 'https://{{host}}/api/admin/clearInvalidData' \
 
 使用 Chat api 接口需要注意，增加了 event: updateVariables 事件，用于更新变量。
 
-[点击查看升级说明](https://github.com/labring/FastGPT/releases/tag/v4.8.1)
\ No newline at end of file
+[点击查看升级说明](https://github.com/labring/FastGPT/releases/tag/v4.8.1)