diff --git a/brain/cognitive-index.md b/brain/cognitive-index.md
index 653aefb..10dbc8a 100644
--- a/brain/cognitive-index.md
+++ b/brain/cognitive-index.md
@@ -135,3 +135,11 @@ brain/d1*.md / brain/d1*.hdlp — D100~D122
 
 ---
 铸渊 ICE-GL-ZY001 · D122 · 2026-06-03
+
+
+## D124 · 2026-06-04
+- 冰朔主站 guanghubingshuo.com: Nginx端口冲突修复 + 五大体验修复 + 服务器监控API部署 + 2x2网格
+- 肥猫 guanghu.site: Gitea REQUIRE_SIGNIN_VIEW=false + 去登录表单
+- 新增: brain/d124-cognitive-chain.hdlp (3528字节·完整推理链)
+- 新增: BS-SG-001 monitor-api.js (port 3998·systemd自启)
+- 更新: brain/fifth-domain/zero-point/zhuyuan/cloud-compute-pool/feimao/FM-GZ-001.hdlp