diff --git a/brain/system-health.json b/brain/system-health.json
index 2d8f71da..99c32b56 100644
--- a/brain/system-health.json
+++ b/brain/system-health.json
@@ -1,6 +1,6 @@
 {
   "version": "4.0",
-  "last_check": "2026-03-19 12:19:25+08:00",
+  "last_check": "2026-03-20 12:09:51+08:00",
   "communication": "synced",
   "automation": "stable",
   "maintenance_agent": "active",