diff --git a/tests/test_account_binding.py b/tests/test_account_binding.py
index ce83e87..5377a02 100644
--- a/tests/test_account_binding.py
+++ b/tests/test_account_binding.py
@@ -354,3 +354,105 @@ class TestNoFreeTextWriters:
             "绑定状态只能由 account_binding.set_bind_status 写；"
             "旧 bind_status 列不允许任何写入方：\n" + "\n".join(offenders)
         )
+
+
+class TestRealProductionValuesCovered:
+    """用**生产库真实取值全集**核对映射表。
+
+    这是被真实数据打脸换来的用例：第一版映射只覆盖了文档里举的例子，
+    而生产的电竞列里还有 `game_not_bound`（26 行）—— 漏了它会被归成
+    `unknown`，可它明明在说「没绑定」。
+
+    ⚠️ 下面的取值列表是从生产库 `GROUP BY` 拉出来的**全集**。以后往这三列加
+    新取值时，这里应该同步补上；新增取值如果不在映射里，用例会提醒你
+    确认它到底该归成哪种状态，而不是默默变成 `unknown`。
+    """
+
+    #: 生产库实测（2026-10-04，15,182 个账号）
+    PRODUCTION_VALUES: ClassVar[dict[str, list[str | None]]] = {
+        "elite": [
+            "goods_exchanged",
+            "limited_goods_queried",
+            "gift_donated",
+            "",
+            "change_time_queried",
+            "game_queried",
+            "bind_confirmed",
+            "gold_recharged",
+            "gold_balance_queried",
+            "points_queried",
+            "elite_status_queried",
+            "bind_qr_generated",
+            "game_not_bound",
+            "elite_qr_created",
+            "elite_opened",
+            "gold_api_order_created",
+            "gold_qr_created",
+        ],
+        "esports": [
+            "",
+            "esports_gift_donated",
+            "esports_bound",
+            "esports_goods_exchanged",
+            "esports_points_queried",
+            "esports_bind_ready",
+            "game_not_bound",
+            "esports_goods_refreshed",
+            "esports_qr_created",
+            "esports_opened",
+            "esports_bind_confirming",
+        ],
+        "peace": [
+            "",
+            None,
+            "xpd_purchase_records_queried",
+            "xpd_bound",
+            "xpd_balance_queried",
+            "xpd_goods_exchanged",
+            "xpd_bind_qr_ready",
+            "xpd_fragments_queried",
+            "xpd_goods_refreshed",
+        ],
+    }
+
+    #: 明确陈述了绑定关系、必须映射成非 unknown 的取值
+    MUST_BE_MEANINGFUL: ClassVar[dict[tuple[str, str], str]] = {
+        ("elite", "bind_confirmed"): "bound",
+        ("elite", "bind_qr_generated"): "pending",
+        ("elite", "game_not_bound"): "unbound",
+        ("esports", "esports_bound"): "bound",
+        ("esports", "esports_bind_ready"): "pending",
+        ("esports", "esports_bind_confirming"): "pending",
+        ("esports", "esports_qr_created"): "pending",
+        # ← 生产实测发现的那一条
+        ("esports", "game_not_bound"): "unbound",
+        ("peace", "xpd_bound"): "bound",
+        ("peace", "xpd_bind_qr_ready"): "pending",
+    }
+
+    @pytest.mark.parametrize(
+        ("scope", "legacy", "expected"),
+        [(*key, value) for key, value in MUST_BE_MEANINGFUL.items()],
+    )
+    def test_meaningful_values_map_exactly(self, scope, legacy, expected):
+        assert binding.map_legacy_bind_status(scope, legacy) == expected
+
+    def test_every_production_value_maps_to_a_valid_state(self):
+        for scope, values in self.PRODUCTION_VALUES.items():
+            for value in values:
+                state = binding.map_legacy_bind_status(scope, value)
+                assert state in binding.ALL_BIND_STATES, f"{scope}/{value!r}"
+
+    def test_no_production_value_is_silently_unknown_when_it_should_not_be(self):
+        """反向检查：该有含义的值不能全落成 unknown。"""
+        for scope, values in self.PRODUCTION_VALUES.items():
+            meaningful = {
+                v for (s, v), _ in self.MUST_BE_MEANINGFUL.items() if s == scope
+            }
+            mapped = {
+                v
+                for v in values
+                if binding.map_legacy_bind_status(scope, v) != "unknown"
+            }
+            missing = meaningful - mapped
+            assert not missing, f"{scope} 里这些值被错归成 unknown：{missing}"
diff --git a/web/backend/migrations/versions/20261004_0044_bind_status_split.py b/web/backend/migrations/versions/20261004_0044_bind_status_split.py
index 151eb97..2f31495 100644
--- a/web/backend/migrations/versions/20261004_0044_bind_status_split.py
+++ b/web/backend/migrations/versions/20261004_0044_bind_status_split.py
@@ -87,6 +87,7 @@ def normalise_esports_bind_status(bind) -> None:
                         'esports_qr_created',
                         'esports_role_switching'
                     ) THEN 'pending'
+                    WHEN esports_bind_status = 'game_not_bound' THEN 'unbound'
                     ELSE 'unknown'
                 END
             """
diff --git a/web/backend/services/account_binding.py b/web/backend/services/account_binding.py
index 82e1eeb..448c652 100644
--- a/web/backend/services/account_binding.py
+++ b/web/backend/services/account_binding.py
@@ -105,6 +105,11 @@ LEGACY_ESPORTS_BIND_MAP: dict[str, str] = {
     "esports_bind_confirming": BIND_PENDING,
     "esports_qr_created": BIND_PENDING,
     "esports_role_switching": BIND_PENDING,
+    # ⚠️ 这一条是**连生产库看真实数据**才发现的：电竞列里确实存在
+    # `game_not_bound`（生产 26 行）。漏了它就会被归成 `unknown`，
+    # 而它明明在说「没绑定」。教训：映射表必须拿**真实取值全集**核对，
+    # 不能只看文档里举的几个例子。
+    "game_not_bound": BIND_UNBOUND,
 }
 
 LEGACY_XPD_BIND_MAP: dict[str, str] = {