diff --git a/scripts/spike_s3_peewee.py b/scripts/spike_s3_peewee.py
new file mode 100644
index 0000000..672f8ac
--- /dev/null
+++ b/scripts/spike_s3_peewee.py
@@ -0,0 +1,50 @@
+"""S3: 验证 alphalens 与 vnpy_sqlite(peewee) 能否共存。
+
+vnpy.alpha dataset/template.py:13 已 `from alphalens.utils import ...`，
+若 alphalens(empyrical-reloaded 要 peewee<3.17.4) 与 vnpy_sqlite(peewee 4.1.1)
+冲突，vnpy.alpha 将无法 import —— 这是因子层方案 A 的前置阻塞项。
+"""
+import sys
+import os
+
+_VNPY_SRC = os.path.abspath(os.path.join(os.path.dirname(__file__), "..", "vnpy_v4.4.0"))
+sys.path.insert(0, _VNPY_SRC)
+
+
+def main():
+    results = {}
+
+    # 1. alphalens 能否 import
+    try:
+        from alphalens.utils import get_clean_factor_and_forward_returns
+        from alphalens.tears import create_full_tear_sheet
+        results["alphalens_import"] = "OK"
+    except Exception as e:
+        results["alphalens_import"] = f"FAIL: {type(e).__name__}: {e}"
+
+    # 2. vnpy_sqlite 能否 import（peewee）
+    try:
+        import peewee
+        results["peewee_version"] = peewee.__version__
+        from vnpy_sqlite.sqlite_database import SqliteDatabase
+        results["vnpy_sqlite_import"] = "OK"
+    except Exception as e:
+        results["vnpy_sqlite_import"] = f"FAIL: {type(e).__name__}: {e}"
+
+    # 3. alpha dataset 能否 import（同时拉 alphalens + vnpy）
+    try:
+        from vnpy.alpha.dataset import AlphaDataset
+        results["alpha_dataset_import"] = "OK"
+    except Exception as e:
+        results["alpha_dataset_import"] = f"FAIL: {type(e).__name__}: {e}"
+
+    print("=== S3 Spike Result ===")
+    for k, v in results.items():
+        print(f"  {k}: {v}")
+
+    ok = all(v == "OK" or v.startswith("4") for v in results.values())
+    print(f"\nS3 VERDICT: {'PASS' if ok else 'FAIL/CONFLICT'}")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/tests/spikes/__init__.py b/tests/spikes/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/spikes/test_s3_peewee.py b/tests/spikes/test_s3_peewee.py
new file mode 100644
index 0000000..d6562a1
--- /dev/null
+++ b/tests/spikes/test_s3_peewee.py
@@ -0,0 +1,10 @@
+"""S3 spike 结论记录。实际验证在 scripts/spike_s3_peewee.py（容器内运行）。"""
+import pytest
+
+
+def test_s3_verdict_recorded():
+    """记录 S3 spike 结论。执行 spike 后填入实际 verdict。"""
+    S3_VERDICT = "PASS"  # 改为 PASS 或 FAIL 后提交
+    if S3_VERDICT == "PENDING_RUN_SPIKE":
+        pytest.skip("先运行 scripts/spike_s3_peewee.py（容器内），再填结论")
+    assert S3_VERDICT in ("PASS", "FAIL")