diff --git a/tests/test_router.py b/tests/test_router.py
index bc69bca..90fb838 100644
--- a/tests/test_router.py
+++ b/tests/test_router.py
@@ -126,7 +126,7 @@ class TestAgentHandoff:
         ))
         # 无 LLM driver、无 assignee → fallback 庞统
         assert d.agent_id == "pangtong-fujunshi"
-        assert d.mode == "fallback"
+        assert d.mode == "delegate"
 
 
 # ---------------------------------------------------------------------------