diff --git a/agent/qa/src/rag/qa_v1_1_73/bioflow_agent.py b/agent/qa/src/rag/qa_v1_1_73/bioflow_agent.py
index dd04e3a..365e312 100644
--- a/agent/qa/src/rag/qa_v1_1_73/bioflow_agent.py
+++ b/agent/qa/src/rag/qa_v1_1_73/bioflow_agent.py
@@ -609,8 +609,16 @@ def _try_bioflow_agent_impl(
     if isinstance(card_result, dict) and str(card_result.get("card") or "").strip() in CARD_TYPES:
         return _route_card_result(card_result, llm_client, capabilities, bioflow, progress_callback)
 
-    # NL 路径：门 2 + 门 3
-    manifests = _candidate_capabilities(question, capabilities)
+    # NL 路径：活跃任务续接优先（有活跃任务时跳过意图预筛，直接按任务 chain 续接）
+    active_job_id = (bioflow or {}).get("active_job_id")
+    if active_job_id:
+        manifests = _registered_capabilities(capabilities)
+        cap_name = _chain_to_capability((bioflow or {}).get("chain") or "")
+        if cap_name:
+            manifests = [m for m in manifests if m.name == cap_name]
+    else:
+        # 无活跃任务：门 2 + 门 3 意图预筛（新任务入口）
+        manifests = _candidate_capabilities(question, capabilities)
     if not manifests:
         return None
 
diff --git a/agent/qa/src/rag/qa_v1_1_73/test_bioflow_agent.py b/agent/qa/src/rag/qa_v1_1_73/test_bioflow_agent.py
index d8d0977..aa39b28 100644
--- a/agent/qa/src/rag/qa_v1_1_73/test_bioflow_agent.py
+++ b/agent/qa/src/rag/qa_v1_1_73/test_bioflow_agent.py
@@ -109,6 +109,33 @@ class TestGateLogic:
                 )
         assert result is None
 
+    def test_active_job_continuation_skips_intent_prescreen(self, tmp_path):
+        """#011：有活跃任务时，续接输入（不含触发词）也应进入生信流，不掉普通 QA。"""
+        registry = _make_registry(tmp_path)
+        fake_tools = [
+            {
+                "type": "function",
+                "function": {
+                    "name": "fetch_source_file",
+                    "description": "获取源文件",
+                    "parameters": {"type": "object", "properties": {}},
+                },
+            }
+        ]
+        with mock.patch.object(ba, "get_registry", return_value=registry):
+            with mock.patch.object(ba, "_build_tools", return_value=(fake_tools, {"fetch_source_file": mock.ANY})):
+                with mock.patch.dict("os.environ", {ba.ENV_FUSE: "1"}):
+                    result = ba.try_bioflow_agent(
+                        "基因组文件在 https://example.com/rice.fa",
+                        llm_client=FakeLLMClient(),
+                        capabilities=None,
+                        bioflow={"active_job_id": "job-1", "chain": "gene_family"},
+                    )
+        assert result is not None
+        assert result["success"] is True
+        assert result["bioflow"]["handled"] is True
+        assert result["bioflow"]["capabilities"] == ["bioflow-gene-family"]
+
     def test_not_registered_returns_none(self, tmp_path):
         empty = CapabilityRegistry(tmp_path / "empty.yaml")
         empty.load()