diff --git a/sanguo_factor/batch_eval.py b/sanguo_factor/batch_eval.py
index af7acc8..13c8c9b 100644
--- a/sanguo_factor/batch_eval.py
+++ b/sanguo_factor/batch_eval.py
@@ -43,6 +43,7 @@ def run_batch_eval(
     cfg=None,
     progress_cb=None,
     vnpy_db_override: str | None = None,
+    run_id: str | None = None,
 ) -> dict:
     """跑一轮批量评估,结果增量写入 eval_db,返回摘要."""
     from vnpy.alpha.dataset.utility import calculate_by_expression
@@ -82,11 +83,29 @@ def run_batch_eval(
 
     universe_label = universe if symbols is None else "custom"
     eval_store.init_db(eval_db)
-    run_id = eval_store.create_run(
-        eval_db, label=label, universe=universe_label,
-        symbols_count=bars["vt_symbol"].n_unique(), factors_total=len(factor_names),
-        start=start, end=end, params={"limit": limit, "symbols": symbols[:20] if symbols else None},  # 截断防 4400 只全量塞 JSON
-    )
+    if run_id is None:
+        run_id = eval_store.create_run(
+            eval_db, label=label, universe=universe_label,
+            symbols_count=bars["vt_symbol"].n_unique(), factors_total=len(factor_names),
+            start=start, end=end, params={"limit": limit, "symbols": symbols[:20] if symbols else None},  # 截断防 4400 只全量塞 JSON
+        )
+        done_before = set()
+    else:
+        # 断点续跑:复用既有 run 行,跳过已落库因子(容器被 CI 重启后无损接续)
+        from sanguo_factor.eval_store import get_rows as _get_rows
+        done_before = {r["factor"] for r in _get_rows(eval_db, run_id)}
+        factor_names = [f for f in factor_names if f not in done_before]
+        if not factor_names:
+            # 空续跑:全部已完成时直接收尾不炸
+            eval_store.finish_run(eval_db, run_id, "done", factors_done=len(done_before))
+            return {
+                "run_id": run_id,
+                "factors_total": len(done_before),
+                "factors_done": len(done_before),
+                "errors": [],
+                "elapsed_sec": round(time.time() - t0, 1),
+                "symbols_count": int(bars["vt_symbol"].n_unique()),
+            }
 
     errors: list[str] = []
     done = 0
@@ -103,11 +122,11 @@ def run_batch_eval(
         if progress_cb:
             progress_cb(done, len(factor_names), name)
 
-    eval_store.finish_run(eval_db, run_id, "done", factors_done=done)
+    eval_store.finish_run(eval_db, run_id, "done", factors_done=len(done_before) + done)
     return {
         "run_id": run_id,
-        "factors_total": len(factor_names),
-        "factors_done": done,
+        "factors_total": len(done_before) + len(factor_names),
+        "factors_done": len(done_before) + done,
         "errors": errors,
         "elapsed_sec": round(time.time() - t0, 1),
         "symbols_count": int(bars["vt_symbol"].n_unique()),
diff --git a/scripts/factor_research/run_eval.py b/scripts/factor_research/run_eval.py
index 20daa6d..9ee08fd 100644
--- a/scripts/factor_research/run_eval.py
+++ b/scripts/factor_research/run_eval.py
@@ -27,6 +27,7 @@ def main() -> int:
     ap.add_argument("--limit", type=int, default=None, help="随机抽样 N 只(种子42)")
     ap.add_argument("--label", default="batch1")
     ap.add_argument("--db", default=None, help="factor_eval.db 路径;默认 default_eval_db_path()")
+    ap.add_argument("--run-id", default=None, help="断点续跑:复用既有 run_id,跳过已落库因子")
     ap.add_argument("--list-factors", default="", metavar="CATEGORY", help="列出类目因子后退出")
     args = ap.parse_args()
 
@@ -57,7 +58,7 @@ def main() -> int:
         print(f"[eval] {done}/{total} {current}", flush=True)
 
     out = run_batch_eval(factor_names, args.start, args.end, db_path, label=args.label,
-                         symbols=symbols, limit=args.limit, cfg=None, progress_cb=_cb)
+                         symbols=symbols, limit=args.limit, cfg=None, progress_cb=_cb, run_id=args.run_id)
 
     print(f"[eval] run_id={out['run_id']} done={out['factors_done']} "
           f"errors={len(out['errors'])} elapsed={out['elapsed_sec']}s symbols={out['symbols_count']}")
diff --git a/tests/factor/test_batch_eval.py b/tests/factor/test_batch_eval.py
index 0e9d665..fa091ac 100644
--- a/tests/factor/test_batch_eval.py
+++ b/tests/factor/test_batch_eval.py
@@ -72,3 +72,22 @@ def test_bad_factor_recorded_not_fatal(db, tmp_path):
     assert len(out["errors"]) == 1
     detail = eval_store.get_detail(eval_db, out["run_id"], "不存在的因子")
     assert "error" in detail["metrics"]
+
+
+def test_resume_skips_done_factors(db, tmp_path):
+    eval_db = str(tmp_path / "f2.db")
+    out1 = run_batch_eval(factor_names=["ma_20", "roc_5"], start="2018-01-01", end="2018-06-30",
+                          eval_db=eval_db, label="t", cfg=None, vnpy_db_override=db)
+    from sanguo_factor import eval_store
+    before = eval_store.get_rows(eval_db, out1["run_id"])
+    out2 = run_batch_eval(factor_names=["ma_20", "roc_5", "kmid"], start="2018-01-01", end="2018-06-30",
+                          eval_db=eval_db, label="t", cfg=None, vnpy_db_override=db, run_id=out1["run_id"])
+    after = eval_store.get_rows(eval_db, out1["run_id"])
+    assert out2["run_id"] == out1["run_id"]
+    assert len(after) == 3 and len(before) == 2          # 新增 kmid
+    rows = eval_store.get_rows(eval_db, out1["run_id"])
+    assert {r["factor"] for r in rows} == {"ma_20", "roc_5", "kmid"}
+    # 空续跑:全部已完成时直接收尾不炸
+    out3 = run_batch_eval(factor_names=["ma_20"], start="2018-01-01", end="2018-06-30",
+                          eval_db=eval_db, label="t", cfg=None, vnpy_db_override=db, run_id=out1["run_id"])
+    assert out3["factors_done"] >= 3