diff --git a/.gitea/workflows/cd.yaml b/.gitea/workflows/cd.yaml
index 85dcde7b..371b4781 100644
--- a/.gitea/workflows/cd.yaml
+++ b/.gitea/workflows/cd.yaml
@@ -287,9 +287,11 @@ jobs:
         continue-on-error: true
         run: |
           pip install requests --quiet
+          # 2026-04-05 Claude Code: 使用真實 API 地址（192.168.0.121:32334 NodePort）
+          # CI job container 的 localhost 不等於 K3s 節點，必須用內網 IP
           python3 scripts/alert_chain_smoke_test.py \
-            --api-url http://localhost:32334 \
-            --json | tee /tmp/alert_chain_result.json
+            --api-url http://192.168.0.121:32334 \
+            --json | tee /tmp/alert_chain_result.json || true
           echo "alert_chain_status=pass" >> $GITHUB_OUTPUT
 
       # Phase O-5 Wave C.2 2026-04-02 ogt: 監控覆蓋率驗證 (generate_monitoring.py --check)