diff --git a/apps/api/src/api/v1/monitoring.py b/apps/api/src/api/v1/monitoring.py
index f7a47cca..1cad552f 100644
--- a/apps/api/src/api/v1/monitoring.py
+++ b/apps/api/src/api/v1/monitoring.py
@@ -18,6 +18,7 @@ from datetime import UTC, datetime
 import httpx
 from fastapi import APIRouter
 
+from src.core.config import settings
 from src.core.logging import get_logger
 
 logger = get_logger(__name__)
@@ -64,7 +65,9 @@ async def _probe_grafana(client: httpx.AsyncClient) -> dict:
 
 
 async def _probe_prometheus(client: httpx.AsyncClient) -> dict:
-    base = "http://192.168.0.110:9090"
+    # 2026-04-29 ogt + Claude Opus 4.7: 改用 settings 對齊單一事實源
+    # 原本寫死 110:9090 雖巧合正確，但繞過 ConfigMap 注入機制
+    base = settings.PROMETHEUS_URL
     try:
         health_r = await client.get(f"{base}/-/healthy", timeout=TIMEOUT)
         if health_r.status_code == 200:
diff --git a/k8s/kured/kured.yaml b/k8s/kured/kured.yaml
index 18033464..14cf3f78 100644
--- a/k8s/kured/kured.yaml
+++ b/k8s/kured/kured.yaml
@@ -129,7 +129,10 @@ spec:
             # PodDisruptionBudget 檢查
             - --blocking-pod-selector=app.kubernetes.io/name=awoooi
             # Prometheus metrics
-            - --prometheus-url=http://192.168.0.188:9090
+            # 2026-04-29 ogt + Claude Opus 4.7: drift fix — 188 是 Ollama Hub
+            # Prometheus 實際在 110。kured 連錯主機 = 跳過 alert 守門員直接 reboot
+            # 對齊 ConfigMap 04-configmap.yaml + config.py PROMETHEUS_URL
+            - --prometheus-url=http://192.168.0.110:9090
           resources:
             limits:
               cpu: 100m