diff --git a/scripts/p3_feasibility_e2e.py b/scripts/p3_feasibility_e2e.py
index bf74723..4eacdd2 100644
--- a/scripts/p3_feasibility_e2e.py
+++ b/scripts/p3_feasibility_e2e.py
@@ -103,8 +103,13 @@ async def m():
     bad = await call("opp_fp_estimate", {"functions_json": json.dumps(
         [{"name": "x", "type": "XXX", "det": 5}, {"name": "y", "type": "EI", "det": 6, "ftr": 1}])})
     db_ = json.loads(bad) if bad.startswith("{") else {}
-    check("A4 非法type进pending不炸", db_.get("总FP") == 7 and len(db_.get("待确认") or []) == 1,
-          bad[:150])
+    # EI det=6(档5-15) ftr=1(档0-1) → 低复杂度 → 3 FP（独立复算核对）
+    ref_bad = fp_ref.calc({"project": "", "functions": [
+        {"name": "y", "type": "EI", "det": 6, "ftr": 1}]})
+    check("A4 非法type进pending不炸", db_.get("总FP") == ref_bad["total_fp"] == 3
+          and len(db_.get("待确认") or []) == 1,
+          "fp=%s ref=%s pending=%d" % (db_.get("总FP"), ref_bad["total_fp"],
+                                       len(db_.get("待确认") or [])))
     e1 = await call("opp_fp_estimate", {"functions_json": "[]"})
     check("A5 空数组拒绝", e1.startswith("ERROR:"), e1[:80])