diff --git a/metadata.md b/metadata.md
index f2ef488..90bf138 100644
--- a/metadata.md
+++ b/metadata.md
@@ -179,3 +179,4 @@
 [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 « bang’s blog](https://blog.cnbang.net/living/3739/)1537