diff --git a/docs/guide/boot.md b/docs/guide/boot.md
index 1b964057a5131572c3fbe4fa6390e14ccefd8b2e..20cfa0781777a9fcd548c7437a7bd62f731b35f4 100644
--- a/docs/guide/boot.md
+++ b/docs/guide/boot.md
@@ -10,4 +10,4 @@
 
 我们修改并转存了一份来自 360急救盘 的引导介绍页面并进行了修改
 
-<iframe src="https://443.fyi/edgeless/guide/" height="1080" width="1920" frameborder="0" scrolling="0" ></iframe>
\ No newline at end of file
+<iframe src="https://444.fyi/edgeless/guide/" height="1080" width="1920" frameborder="0" scrolling="0" ></iframe>
\ No newline at end of file