diff --git a/apps/api/src/services/model_version_probe.py b/apps/api/src/services/model_version_probe.py
index 3c06e1bb..e715870f 100644
--- a/apps/api/src/services/model_version_probe.py
+++ b/apps/api/src/services/model_version_probe.py
@@ -59,12 +59,14 @@ async def probe_ollama_version(url: str, model: str) -> ProviderVersionInfo:
     import httpx
 
     # 2026-05-03 ogt: ADR-110 GCP-A Primary — 擴展 provider 判斷邏輯支援 GCP 三層容災
+    # 188 保留 ollama_188 命名（CPU-only 主機，雖移出 routing chain 但仍可被 probe）
     _GCP_OLLAMA_IPS = {"34.143.170.20", "34.21.145.224"}
-    _LOCAL_OLLAMA_IPS = {"192.168.0.111"}
     if any(ip in url for ip in _GCP_OLLAMA_IPS):
         provider_name = "ollama"
-    elif any(ip in url for ip in _LOCAL_OLLAMA_IPS):
+    elif "192.168.0.111" in url:
         provider_name = "ollama_local"
+    elif "192.168.0.188" in url:
+        provider_name = "ollama_188"
     else:
         provider_name = "ollama_remote"