diff --git a/deploy/profile-scripts/cron_health_monitor.py b/deploy/profile-scripts/cron_health_monitor.py
index fc26a35d..05ea1ab2 100644
--- a/deploy/profile-scripts/cron_health_monitor.py
+++ b/deploy/profile-scripts/cron_health_monitor.py
@@ -233,7 +233,7 @@ def main():
         payload = json.dumps({
             "model": "position-analyst",
             "messages": [{"role": "user", "content": "ok"}],
-            "max_tokens": 5
+            "max_tokens": 512  # 2026-08-14 修复：5→512（deepseek对过小max_tokens返回空，导致误报LLM故障）
         }).encode()
         req = urllib.request.Request("http://127.0.0.1:8643/v1/chat/completions",
             data=payload,