Update app.py

app.py

@@ -258,7 +258,8 @@ def generate_reply(
     for i, url in enumerate(api_urls):
         try:
             label = "Primary" if i == 0 else "Fallback(H100)"
-            print(f"[API] {label}: {url}", flush=True)
+            masked = url.split("/v1")[0][:20] + "***"
+            print(f"[API] {label}: {masked}", flush=True)
 
             resp = requests.post(url, json=request_body,
                                  stream=True, timeout=15, verify=False)
@@ -300,12 +301,12 @@ def generate_reply(
         except (requests.exceptions.ConnectionError,
                 requests.exceptions.Timeout,
                 requests.exceptions.ReadTimeout) as e:
-            print(f"[API] {label} failed: {e}", flush=True)
+            print(f"[API] {label} failed: connection error", flush=True)
             if i < len(api_urls) - 1:
                 print(f"[API] Switching to fallback...", flush=True)
                 continue
             else:
-                yield f"**❌ 모든 API 연결 실패.**\n\n- Primary: `{api_urls[0]}`\n- Fallback: `{url}`"
+                yield "**❌ 모든 API 연결 실패.** 서버 상태를 확인하세요."
         except Exception as exc:
             yield f"**Error:** `{exc}`"
             return