diff --git a/tests/test_dispatcher.py b/tests/test_dispatcher.py
index 81c282b..4cd8734 100644
--- a/tests/test_dispatcher.py
+++ b/tests/test_dispatcher.py
@@ -88,9 +88,10 @@ class TestDecisionTree:
         assert decision["new_session"] is True
 
     def test_no_assignee_subagent(self, dispatcher, task_no_assignee):
-        """无 assignee → Subagent"""
+        """无 assignee → 能力映射 fallback 庞统（Full Agent）"""
         decision = dispatcher.decide(task_no_assignee)
-        assert decision["level"] == DispatchLevel.SUB_AGENT
+        assert decision["level"] == DispatchLevel.FULL_AGENT
+        assert decision["agent_id"] == "pangtong-fujunshi"  # fallback
 
     def test_unknown_agent_escalate(self, dispatcher, task_unknown_agent):
         """未注册 Agent → 升级庞统"""