diff --git a/inquiry-agent/agent/policy/deal_followup.py b/inquiry-agent/agent/policy/deal_followup.py
index f7d2783..14b91b0 100644
--- a/inquiry-agent/agent/policy/deal_followup.py
+++ b/inquiry-agent/agent/policy/deal_followup.py
@@ -46,6 +46,7 @@ _HOLIDAYS = frozenset(
         date(2026, 9, 25),
         date(2026, 9, 26),
         date(2026, 9, 27),
+        # 国庆只休到 10 月 7 日。10 月 8 日周四正常上班，不能算假期。
         date(2026, 10, 1),
         date(2026, 10, 2),
         date(2026, 10, 3),
@@ -53,7 +54,6 @@ _HOLIDAYS = frozenset(
         date(2026, 10, 5),
         date(2026, 10, 6),
         date(2026, 10, 7),
-        date(2026, 10, 8),
         # 2027 元旦预留
         date(2027, 1, 1),
         date(2027, 1, 2),
@@ -68,6 +68,8 @@ _MAKEUP_WORKDAYS = frozenset(
         date(2026, 2, 14),
         date(2026, 2, 28),
         date(2026, 5, 9),
+        # 国庆调休：9 月 20 日周日、10 月 10 日周六上班。
+        date(2026, 9, 20),
         date(2026, 10, 10),
     }
 )
diff --git a/inquiry-agent/tests/test_deal_followup.py b/inquiry-agent/tests/test_deal_followup.py
index 2a92024..66565df 100644
--- a/inquiry-agent/tests/test_deal_followup.py
+++ b/inquiry-agent/tests/test_deal_followup.py
@@ -11,6 +11,7 @@ from zoneinfo import ZoneInfo
 from agent.policy.deal_followup import (
     SHANGHAI,
     air_route_keys,
+    is_workday,
     leader_matches,
     next_followup_at,
     shift_workdays,
@@ -20,33 +21,42 @@ from agent.policy.deal_followup import (
 
 class TestWorkdays(unittest.TestCase):
     def test_skip_weekend(self) -> None:
-        # 2026-09-18 周五，顺延 3 个工作日 → 21、22、23，第四个工作日 24
-        self.assertEqual(shift_workdays(date(2026, 9, 18), 3), date(2026, 9, 23))
-        self.assertEqual(shift_workdays(date(2026, 9, 18), 4), date(2026, 9, 24))
+        # 普通周末仍跳过。2026-11-13 周五 → 16、17、18 三个工作日，第四个是 19 日。
+        self.assertEqual(shift_workdays(date(2026, 11, 13), 3), date(2026, 11, 18))
+        self.assertEqual(shift_workdays(date(2026, 11, 13), 4), date(2026, 11, 19))
+
+    def test_sept20_makeup_pulls_followup_forward(self) -> None:
+        # 2026-09-18 周五。9 月 20 日周日调休上班，第四个工作日是 23 日，不是 24 日。
+        self.assertEqual(shift_workdays(date(2026, 9, 18), 4), date(2026, 9, 23))
 
     def test_skip_national_day(self) -> None:
-        # 2026-09-30 周三，国庆休 → 第四个工作日落到节后
+        # 2026-09-30 周三。10 月 1–7 日放假，8 日上班，10 日周六调休。
+        # 节后第 1 个工作日 8 日，第 4 个是 12 日周一。
         fourth = shift_workdays(date(2026, 9, 30), 4)
-        self.assertGreaterEqual(fourth, date(2026, 10, 9))
-        self.assertNotEqual(fourth.weekday(), 5)
-        self.assertNotEqual(fourth.weekday(), 6)
+        self.assertEqual(fourth, date(2026, 10, 12))
+
+    def test_oct8_works_and_sept20_is_makeup(self) -> None:
+        # 国办发明电〔2025〕7号：10 月 8 日正常上班，9 月 20 日周日调休上班。
+        self.assertTrue(is_workday(date(2026, 10, 8)))
+        self.assertTrue(is_workday(date(2026, 9, 20)))
+        self.assertFalse(is_workday(date(2026, 10, 7)))
 
     def test_next_followup_is_9am(self) -> None:
         when = next_followup_at(datetime(2026, 9, 18, 15, 30, tzinfo=SHANGHAI))
         self.assertEqual(when.hour, 9)
         self.assertEqual(when.minute, 0)
         self.assertEqual(when.tzinfo, SHANGHAI)
-        self.assertEqual(when.date(), date(2026, 9, 24))
+        self.assertEqual(when.date(), date(2026, 9, 23))
 
     def test_skip_weekend_keep_weekday_night(self) -> None:
-        start = datetime(2026, 9, 18, 17, 0, tzinfo=SHANGHAI)  # 周五
-        now = datetime(2026, 9, 21, 17, 0, tzinfo=SHANGHAI)  # 周一
+        start = datetime(2026, 11, 13, 17, 0, tzinfo=SHANGHAI)  # 周五
+        now = datetime(2026, 11, 16, 17, 0, tzinfo=SHANGHAI)  # 周一
         # 周五 17–24 = 7h，周末不算，周一 0–17 = 17h
         self.assertAlmostEqual(workday_elapsed_hours(start, now), 24.0, places=4)
 
     def test_rest_day_start_counts_from_next_workday(self) -> None:
-        start = datetime(2026, 9, 19, 10, 0, tzinfo=SHANGHAI)  # 周六
-        now = datetime(2026, 9, 21, 10, 0, tzinfo=SHANGHAI)  # 周一
+        start = datetime(2026, 11, 14, 10, 0, tzinfo=SHANGHAI)  # 周六
+        now = datetime(2026, 11, 16, 10, 0, tzinfo=SHANGHAI)  # 周一
         self.assertAlmostEqual(workday_elapsed_hours(start, now), 10.0, places=4)
 
     def test_fractional_quarter_hour(self) -> None: