diff --git a/gateway/platforms/qqbot/adapter.py b/gateway/platforms/qqbot/adapter.py
index 9532662131dff..230f941d4adad 100644
--- a/gateway/platforms/qqbot/adapter.py
+++ b/gateway/platforms/qqbot/adapter.py
@@ -1092,7 +1092,7 @@ def _is_authorized_interaction_for_session(
 
         chat_type = parsed.get("chat_type", "")
         chat_id = parsed.get("chat_id", "")
-        if chat_type == "c2c":
+        if chat_type in {"c2c", "dm"}:
             return bool(chat_id) and operator == chat_id
 
         if chat_type in {"group", "guild"}:
diff --git a/tests/gateway/test_qqbot.py b/tests/gateway/test_qqbot.py
index 816bb5f16017c..5c47b5487f6e0 100644
--- a/tests/gateway/test_qqbot.py
+++ b/tests/gateway/test_qqbot.py
@@ -1576,6 +1576,59 @@ def fake_resolve(session_key, choice, resolve_all=False):
 
         assert resolve_calls == [("agent:main:qqbot:c2c:u-42", "once", False)]
 
+    @pytest.mark.asyncio
+    async def test_dm_approval_click_once_maps_to_once(self):
+        """DM session approval clicks authorize when operator matches chat id."""
+        adapter = self._make_adapter()
+
+        resolve_calls = []
+
+        def fake_resolve(session_key, choice, resolve_all=False):
+            resolve_calls.append((session_key, choice, resolve_all))
+            return 1
+
+        import tools.approval
+        orig = tools.approval.resolve_gateway_approval
+        tools.approval.resolve_gateway_approval = fake_resolve
+        try:
+            from gateway.platforms.qqbot.keyboards import parse_interaction_event
+            event = parse_interaction_event({
+                "id": "i",
+                "chat_type": 2,
+                "user_openid": "u-42",
+                "data": {"resolved": {"button_data": "approve:agent:main:qqbot:dm:u-42:allow-once"}},
+            })
+            await adapter._default_interaction_dispatch(event)
+        finally:
+            tools.approval.resolve_gateway_approval = orig
+
+        assert resolve_calls == [("agent:main:qqbot:dm:u-42", "once", False)]
+
+    @pytest.mark.asyncio
+    async def test_dm_approval_click_rejects_mismatched_operator(self):
+        """DM session approval clicks still require operator == chat_id."""
+        adapter = self._make_adapter()
+        resolve_calls = []
+
+        def fake_resolve(session_key, choice, resolve_all=False):
+            resolve_calls.append((session_key, choice, resolve_all))
+            return 1
+
+        import tools.approval
+        orig = tools.approval.resolve_gateway_approval
+        tools.approval.resolve_gateway_approval = fake_resolve
+        try:
+            from gateway.platforms.qqbot.keyboards import parse_interaction_event
+            event = parse_interaction_event({
+                "id": "i", "chat_type": 2, "user_openid": "attacker",
+                "data": {"resolved": {"button_data": "approve:agent:main:qqbot:dm:u-42:allow-once"}},
+            })
+            await adapter._default_interaction_dispatch(event)
+        finally:
+            tools.approval.resolve_gateway_approval = orig
+
+        assert resolve_calls == []
+
     @pytest.mark.asyncio
     async def test_approval_click_always_maps_to_always(self):
         adapter = self._make_adapter()