diff --git a/server.py b/server.py
index 5aa746b4..c8305a24 100644
--- a/server.py
+++ b/server.py
@@ -52,17 +52,22 @@ def _compute_regime_winrates_cached(pt, _approx_univ):
     from flask import request as _req
 
     # 缓存键
+    import time as _tt
+    _t0 = _tt.time()
     _cache_key = None
     try:
         _cc = _sq.connect(str(DATA_DIR / "mofin.db"), timeout=5)
         _ver_s = _cc.execute("SELECT MAX(created_at) FROM strategy_research").fetchone()[0]
         _cc.close()
         _cache_key = (pt or "2y") + "|" + str(_ver_s)
-    except Exception:
+    except Exception as _e:
+        print(f"[REGIME_CACHE] key_err: {_e}", flush=True)
         _cache_key = None
     if _cache_key and _regime_winrates_cache.get("key") == _cache_key \
             and (pt or "2y") in (_regime_winrates_cache.get("slots") or {}):
+        print(f"[REGIME_CACHE] HIT pt={pt} key={_cache_key} cost={round(_tt.time()-_t0,3)}s", flush=True)
         return _regime_winrates_cache["slots"][pt or "2y"]
+    print(f"[REGIME_CACHE] MISS pt={pt} key={_cache_key} cached_key={_regime_winrates_cache.get('key')} slots={list((_regime_winrates_cache.get('slots') or {}).keys())}", flush=True)
 
     _pt_chain = {'1m': '1y', '6m': '1y', '1y': '1y', '2y': '2y', '5y': '5y', '10y': '10y'}
     _pt_use = _pt_chain.get(pt or '2y', '2y')
@@ -172,6 +177,7 @@ def _compute_regime_winrates_cached(pt, _approx_univ):
             (_regime_winrates_cache.setdefault("slots", {}))[pt or "2y"] = _regime_winrates
         except Exception:
             pass
+    print(f"[REGIME_CACHE] DONE pt={pt} cost={round(_tt.time()-_t0,1)}s strategies={len(_regime_winrates)}", flush=True)
     return _regime_winrates