diff --git a/docker/crawler/match_live_stream.py b/docker/crawler/match_live_stream.py
index a43a508..1d1bc9f 100644
--- a/docker/crawler/match_live_stream.py
+++ b/docker/crawler/match_live_stream.py
@@ -30,6 +30,11 @@ DEFAULT_HEADERS = {
 }
 
 
+def _should_use_internal_lock() -> bool:
+    flag = str(os.environ.get("DQD_RUNNING_UNDER_TASK_RUNNER") or "").strip().lower()
+    return flag not in {"1", "true", "yes", "on"}
+
+
 def parse_match_live_detail_html(body: str) -> dict:
     match = DETAIL_JSONP_RE.search((body or "").strip())
     if not match:
@@ -233,14 +238,16 @@ class MatchLiveStreamRepository:
 
 
 def run(db_config: Dict[str, Any]) -> Dict[str, Any]:
-    lock = TaskFileLock("match_live_stream")
-    if not lock.acquire():
-        return {
-            "success": True,
-            "candidate_count": 0,
-            "saved_count": 0,
-            "summary_text": "match_live_stream 已在执行中，跳过本次",
-        }
+    lock = None
+    if _should_use_internal_lock():
+        lock = TaskFileLock("match_live_stream")
+        if not lock.acquire():
+            return {
+                "success": True,
+                "candidate_count": 0,
+                "saved_count": 0,
+                "summary_text": "match_live_stream 已在执行中，跳过本次",
+            }
 
     repo = MatchLiveStreamRepository(db_config)
     now_ts = int(time.time())
@@ -265,4 +272,5 @@ def run(db_config: Dict[str, Any]) -> Dict[str, Any]:
         return _build_run_result(candidate_count, success_count, failed_count)
     finally:
         repo.close()
-        lock.release()
+        if lock is not None:
+            lock.release()
diff --git a/docker/crawler/scripts/docker_task_runner.py b/docker/crawler/scripts/docker_task_runner.py
index b0da69e..dc824d2 100644
--- a/docker/crawler/scripts/docker_task_runner.py
+++ b/docker/crawler/scripts/docker_task_runner.py
@@ -259,6 +259,7 @@ def run_main_action(action: str, timeout: int, output_callback: Callable[[str],
     start = time.monotonic()
     env = os.environ.copy()
     env["PYTHONUNBUFFERED"] = "1"
+    env["DQD_RUNNING_UNDER_TASK_RUNNER"] = "1"
     proc = subprocess.Popen(
         [sys.executable, "main.py", action],
         cwd=str(APP_DIR),
diff --git a/docker/crawler/tests/test_match_live_stream.py b/docker/crawler/tests/test_match_live_stream.py
index f05544f..3e24ba9 100644
--- a/docker/crawler/tests/test_match_live_stream.py
+++ b/docker/crawler/tests/test_match_live_stream.py
@@ -2,6 +2,7 @@ import json
 import sys
 import unittest
 from pathlib import Path
+from unittest import mock
 
 
 ROOT = Path(__file__).resolve().parents[1]
@@ -14,6 +15,7 @@ from match_live_stream import (
     choose_next_fetch_at,
     parse_match_live_detail_html,
     MatchLiveStreamRepository,
+    run,
 )
 
 
@@ -188,6 +190,60 @@ class MatchLiveStreamTest(unittest.TestCase):
             ),
         )
 
+    def test_run_does_not_skip_due_rows_when_invoked_by_docker_task_runner(self):
+        class FakeRepo:
+            def __init__(self):
+                self.closed = False
+                self.mark_success_calls = []
+
+            def load_due_rows(self, now_ts, limit=30):
+                return [
+                    {
+                        "id": 1,
+                        "source_url": "https://yyzb1.tv/room/190118?scheduleId=undefined",
+                        "play_url_flv": "",
+                        "play_url_hd_flv": "",
+                        "play_url_m3u8": "",
+                        "play_url_hd_m3u8": "",
+                    }
+                ]
+
+            def mark_success(self, row_id, stream_urls, now_ts):
+                self.mark_success_calls.append((row_id, stream_urls, now_ts))
+
+            def mark_failed(self, row_id, error_message, now_ts, has_existing_stream):
+                raise AssertionError("docker task runner path should not fall into mark_failed for this test")
+
+            def close(self):
+                self.closed = True
+
+        class FakeLock:
+            def acquire(self):
+                return False
+
+            def release(self):
+                return None
+
+        repo = FakeRepo()
+        stream_urls = {
+            "play_url_flv": "http://stream/flv",
+            "play_url_hd_flv": "http://stream/hdflv",
+            "play_url_m3u8": "http://stream/m3u8",
+            "play_url_hd_m3u8": "http://stream/hdm3u8",
+        }
+
+        with mock.patch.dict("os.environ", {"DQD_RUNNING_UNDER_TASK_RUNNER": "1"}, clear=False):
+            with mock.patch("match_live_stream.MatchLiveStreamRepository", return_value=repo):
+                with mock.patch("match_live_stream.TaskFileLock", return_value=FakeLock()):
+                    with mock.patch("match_live_stream._fetch_stream_payload", return_value=stream_urls):
+                        result = run({"prefix": "la_"})
+
+        self.assertTrue(result["success"])
+        self.assertEqual(result["candidate_count"], 1)
+        self.assertEqual(result["saved_count"], 1)
+        self.assertEqual(len(repo.mark_success_calls), 1)
+        self.assertTrue(repo.closed)
+
 
 if __name__ == "__main__":
     unittest.main()