diff --git "a/agenda/\360\237\214\267 2022-2023-Spring-Term-OS-Seminar.md" "b/agenda/\360\237\214\267 2022-2023-Spring-Term-OS-Seminar.md"
index 6b0ffc6..28eb053 100644
--- "a/agenda/\360\237\214\267 2022-2023-Spring-Term-OS-Seminar.md"	
+++ "b/agenda/\360\237\214\267 2022-2023-Spring-Term-OS-Seminar.md"	
@@ -21,7 +21,7 @@
 |  09   | 5.6（补）| 吴双 | 软件物料清单领域的实证探索：现有问题与发展趋势 | 毕枫林 |  | [Video](https://www.bilibili.com/video/BV13M4y1b75f) |
 |  10   | 5.8 | 唐烨男 | Demystifying Software Release Note Issues on GitHub | 毕枫林 | [#169](https://github.com/X-lab2017/open-research/issues/169) | [Video](https://www.bilibili.com/video/BV1no4y1c7CP/) |
 |  11   | 5.15 | 张欣然 | Identifying Emergent Leadership in OSS Projects Based on Communication Styles | 毕枫林 | [#177](https://github.com/X-lab2017/open-research/issues/177) | [Video](https://www.bilibili.com/video/BV1Bu411t7Fu/) |
-|  12   | 5.22 | 宁志成 |  | 毕枫林 |  |   |
+|  12   | 5.22 | 宁志成 | Personalized project recommendation on GitHub | 毕枫林 | [#178](https://github.com/X-lab2017/open-research/issues/178) |   |
 |  13   | 5.29 | 张翔宇 |  | 毕枫林 |  |  |
 |  14   | 6.5 | 伍泰炜 |   | 毕枫林 |   |  |
 |  15   | 6.12  | 李鸿斌 |    |夏小雅  |  |   |