diff --git a/sanguo_api/routes_portfolio.py b/sanguo_api/routes_portfolio.py
index 915a247..a811175 100644
--- a/sanguo_api/routes_portfolio.py
+++ b/sanguo_api/routes_portfolio.py
@@ -7,6 +7,7 @@ POST /portfolio/backtest: SSH 触发 VPS 跑 BulletTrade + all_weather,
 """
 from __future__ import annotations
 
+import json
 import logging
 import os
 import subprocess
@@ -54,18 +55,29 @@ def run_portfolio_backtest(req: PortfolioBacktestRequest):
     """
     # 本地模式(VPS 后端直接跑 runner,避免 SSH 自连外网 IP 绕路);
     # SSH 模式(Mac 后端 → VPS)。env SANGUO_PORTFOLIO_LOCAL=1 切本地。
-    # 自动检测:VPS 上 _VPS_WORKDIR(C:\sanguo_vnpy_v2) 存在 → 本地直接跑 runner;
-    # Mac 上无该目录 → SSH 到 VPS。无需 env 配置,同源代码两端自适应。
-    if os.path.isdir(_VPS_WORKDIR):
+    # 自动检测三机自适应:
+    # - VPS(Windows): _VPS_WORKDIR(C:\sanguo_vnpy_v2) 存在 → 本地直接跑 runner(默认 provider,行为不变)
+    # - NAS(Linux 容器): /app 存在(docker-compose 代码挂载目录) → 本地跑 runner --provider unified 读 NAS 权威数据层
+    # - Mac(dev): 都不满足 → SSH 到 VPS(原行为)
+    if os.path.isdir(_VPS_WORKDIR) or os.path.isdir("/app"):
+        local_cwd = _VPS_WORKDIR if os.path.isdir(_VPS_WORKDIR) else "/app"
         argv = [
             sys.executable, "-X", "utf8", "-m", "sanguo_portfolio.runner_backtest",
             "--json", "--start", req.start_date, "--end", req.end_date,
             "--cash", str(req.initial_cash), "--benchmark", req.benchmark, "--max-pool", "30",
         ]
+        # NAS 容器分支: unified provider 读 NAS 权威数据层(dbbardata + parquet);
+        # VPS 本地分支保持原状(默认 provider,cwd=_VPS_WORKDIR,行为零变化)
+        if local_cwd == "/app":
+            nas_provider_config = json.dumps({
+                "db_path": "/volume1/stock/sanguo_vnpy_v2/data_backup/quant_trading.db",
+                "data_dir": "/volume1/stock/sanguo_vnpy_v2/data",
+            })
+            argv += ["--provider", "unified", "--provider-config", nas_provider_config]
         logger.info("[portfolio] 本地跑 runner: %s", " ".join(argv[3:]))
         try:
             proc = subprocess.run(
-                argv, cwd=_VPS_WORKDIR, capture_output=True, text=True,
+                argv, cwd=local_cwd, capture_output=True, text=True,
                 timeout=_VPS_TIMEOUT, check=False,
             )
         except subprocess.TimeoutExpired:
diff --git a/sanguo_portfolio/runner_backtest.py b/sanguo_portfolio/runner_backtest.py
index 8317b8e..e7731c7 100644
--- a/sanguo_portfolio/runner_backtest.py
+++ b/sanguo_portfolio/runner_backtest.py
@@ -344,7 +344,7 @@ def run_backtest_json(params: Dict[str, Any]) -> Dict[str, Any]:
         frequency="day",
         strategy=strategy_name,
         provider=params.get("provider", "local"),
-        provider_config="{}",
+        provider_config=params.get("provider_config", "{}"),
         result_file="",  # JSON 模式不写 md
         max_pool=int(params.get("max_pool", 0)),
     )
@@ -503,6 +503,7 @@ def main() -> None:
             "initial_cash": args.cash,
             "benchmark": args.benchmark,
             "provider": args.provider,
+            "provider_config": args.provider_config,
             "max_pool": args.max_pool,
         })
         print(json.dumps(result, ensure_ascii=False, default=str))