diff --git a/backend/signal_engine.py b/backend/signal_engine.py
index e31986f..6180255 100644
--- a/backend/signal_engine.py
+++ b/backend/signal_engine.py
@@ -153,7 +153,7 @@ def fetch_market_indicators(symbol: str) -> dict:
                 elif ind_type == "coinbase_premium":
                     indicators[ind_type] = float(val.get("premium_pct", 0))
                 elif ind_type == "funding_rate":
-                    indicators[ind_type] = float(val.get("lastFundingRate", 0))
+                    indicators[ind_type] = float(val.get("fundingRate", val.get("lastFundingRate", 0)))
             return indicators
 
 
diff --git a/signal-engine.log b/signal-engine.log
index a440b97..fe8606d 100644
--- a/signal-engine.log
+++ b/signal-engine.log
@@ -158,3 +158,25 @@
 2026-03-02 00:55:01,681 [INFO] signal-engine: [XRPUSDT] 🚨 信号[v51_baseline]: LONG score=77 price=1.4
 2026-03-02 00:55:01,797 [INFO] signal-engine: [SOLUSDT] 🚨 信号[v51_baseline]: LONG score=87 price=84.5
 2026-03-02 00:55:01,797 [INFO] signal-engine: [SOLUSDT] 🚨 信号[v52_8signals]: LONG score=75 price=84.5
+2026-03-02 00:56:24,512 [INFO] signal-engine: 已加载策略配置: v51_baseline, v52_8signals
+2026-03-02 00:56:27,834 [INFO] signal-engine: [BTCUSDT] 冷启动完成: 加载487,314条历史数据 (窗口=4h)
+2026-03-02 00:56:30,636 [INFO] signal-engine: [ETHUSDT] 冷启动完成: 加载423,049条历史数据 (窗口=4h)
+2026-03-02 00:56:31,186 [INFO] signal-engine: [XRPUSDT] 冷启动完成: 加载63,935条历史数据 (窗口=4h)
+2026-03-02 00:56:31,669 [INFO] signal-engine: [SOLUSDT] 冷启动完成: 加载67,314条历史数据 (窗口=4h)
+2026-03-02 00:56:31,669 [INFO] signal-engine: === Signal Engine (PG) 启动完成 ===
+2026-03-02 00:56:31,916 [INFO] signal-engine: [BTCUSDT] 🚨 信号[v51_baseline]: LONG score=95 price=66401.1
+2026-03-02 00:56:31,916 [INFO] signal-engine: [BTCUSDT] 🚨 信号[v52_8signals]: LONG score=87.0 price=66401.1
+2026-03-02 00:56:32,159 [INFO] signal-engine: [ETHUSDT] 🚨 信号[v51_baseline]: LONG score=95 price=1955.3
+2026-03-02 00:56:32,159 [INFO] signal-engine: [ETHUSDT] 🚨 信号[v52_8signals]: LONG score=87.0 price=1955.3
+2026-03-02 00:56:32,227 [INFO] signal-engine: [XRPUSDT] 🚨 信号[v51_baseline]: LONG score=87 price=1.4
+2026-03-02 00:56:32,296 [INFO] signal-engine: [SOLUSDT] 🚨 信号[v51_baseline]: LONG score=92 price=84.6
+2026-03-02 00:56:32,296 [INFO] signal-engine: [SOLUSDT] 🚨 信号[v52_8signals]: LONG score=79.0 price=84.6
+2026-03-02 00:57:03,538 [INFO] signal-engine: 冷启动保护期结束，模拟盘开仓已启用
+2026-03-02 01:06:43,805 [INFO] signal-engine: [BTCUSDT] 🚨 信号[v51_baseline]: LONG score=85 price=66469.7
+2026-03-02 01:06:43,805 [INFO] signal-engine: [BTCUSDT] 🚨 信号[v52_8signals]: LONG score=83.0 price=66469.7
+2026-03-02 01:06:44,079 [INFO] signal-engine: [ETHUSDT] 🚨 信号[v51_baseline]: LONG score=90 price=1959.2
+2026-03-02 01:06:44,079 [INFO] signal-engine: [ETHUSDT] 🚨 信号[v52_8signals]: LONG score=83.0 price=1959.2
+2026-03-02 01:06:44,158 [INFO] signal-engine: [XRPUSDT] 🚨 信号[v51_baseline]: LONG score=82 price=1.4
+2026-03-02 01:06:44,232 [INFO] signal-engine: [SOLUSDT] 🚨 信号[v51_baseline]: LONG score=82 price=84.8
+2026-03-02 01:06:44,232 [INFO] signal-engine: [SOLUSDT] 🚨 信号[v52_8signals]: LONG score=80.0 price=84.8
+2026-03-02 01:06:44,253 [INFO] signal-engine: [SOLUSDT] 📝 模拟开仓: LONG @ 84.81 score=80.0 tier=standard strategy=v52_8signals TP1=85.30 TP2=85.91 SL=84.08