diff --git a/metadata.md b/metadata.md
index b772f29..941f0d4 100644
--- a/metadata.md
+++ b/metadata.md
@@ -168,3 +168,4 @@
 [逝去的2021 | iTimothy](https://xiaozhou.net/2021-summary-2021-12-31.html)65
 [闲言碎语—年终总结 - DoctorXu](https://xuyisheng.top/2022/)559
 [间奏曲 | 大破进击](https://jesor.me/2021/intermezzo/)1036
+[2021 世界终结前一天](https://freemind.pluskid.org/misc/2021-summary/)1300