diff --git a/docker/Dockerfile.test b/docker/Dockerfile.test
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+# NAS 测试镜像：复用现成 with-backtester 环境，补 pytest
+# with-backtester 已含 py3.10/pandas2.3.3/numpy2.2.6/TA-Lib0.6.8/pyarrow/polars + vnpy源码
+# 只缺 pytest，此处薄层补齐。代码通过 docker run -v 挂载(不 bake 进镜像,便于代码更新)
+FROM sanguo_vnpy_v2:with-backtester
+
+RUN pip install --no-cache-dir -q -i https://pypi.tuna.tsinghua.edu.cn/simple \
+  pytest==9.1.1 pytest-asyncio==1.4.0 pytest-mock==3.15.1 \
+  akshare==1.18.64 baostock==0.9.3 scipy==1.15.3 \
+  bullet-trade==0.9.2
+
+WORKDIR /code