diff --git a/metadata.md b/metadata.md
index 2043b1f..98c73f2 100644
--- a/metadata.md
+++ b/metadata.md
@@ -185,3 +185,4 @@
 | [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 | |
+| [我的 2021 年终总结 - polarisxu](https://polarisxu.studygolang.com/posts/talk/2021-summary/) | 1556 | [IA](https://web.archive.org/web/20220819213132/https://polarisxu.studygolang.com/posts/talk/2021-summary/) |