diff --git a/_conf/redirect.yml b/_conf/redirect.yml
index 014c759c8..b0cd6a3d5 100644
--- a/_conf/redirect.yml
+++ b/_conf/redirect.yml
@@ -8,4 +8,3 @@ notes/2021-interview/index: /notes/writeups/2021-interview/index.html
 notes/nintendo-switch/zelda-breath-of-the-wild: /p/zelda-breath-of-the-wild.html
 notes/nju-static-program-analysis: /p/nju-static-program-analysis.html
 p/permanent-notes: /p/index.html
-
diff --git a/p/index.rst b/p/index.rst
index 2d0c623e0..735bd6e5e 100644
--- a/p/index.rst
+++ b/p/index.rst
@@ -1,3 +1,5 @@
+:isso-id: /p/permanent-notes
+
 ========
 永固笔记
 ========
diff --git a/requirements.txt b/requirements.txt
index ce64e3a3f..4656a3f64 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ sphinx-autobuild
 sphinxcontrib.gtagjs
 sphinxnotes-snippet
 sphinxnotes-strike
-sphinxnotes-isso
+sphinxnotes-isso>=1.2a0
 sphinx-sitemap
 sphinxcontrib-plantuml
 sphinxcontrib.asciinema