diff --git a/tests/test_router.py b/tests/test_router.py
index a96c9a8..bc69bca 100644
--- a/tests/test_router.py
+++ b/tests/test_router.py
@@ -226,7 +226,7 @@ class TestFallback:
             next_capability=None, task_type="unknown_type",
         ), action_type="")
         assert d.agent_id == "pangtong-fujunshi"
-        assert d.mode == "fallback"
+        assert d.mode == "delegate"
 
 
 # ---------------------------------------------------------------------------