diff --git a/tests/test_site_import_generator.py b/tests/test_site_import_generator.py
index f1c6206..a7d5fce 100644
--- a/tests/test_site_import_generator.py
+++ b/tests/test_site_import_generator.py
@@ -448,10 +448,11 @@ class TestNestedFlatten:
         flat_in = {"身份描述": "x", "brand_title": "T"}
         assert _flatten_nested(dict(flat_in)) == flat_in
 
-    def test_非dict子值不展平(self):
+    def test_混合形态_dict值并入非dict值保留(self):
+        """修订语义：dict 值并入顶层、非 dict 值原位保留（不要求全 dict）。"""
         from app.platform.site_import.generator import _flatten_nested
         weird = {"a": "字符串", "b": {"身份描述": "x"}}
-        assert _flatten_nested(weird) is weird or _flatten_nested(weird) == weird
+        assert _flatten_nested(weird) == {"a": "字符串", "身份描述": "x"}
 
     async def test_generate接受嵌套输出(self):
         """端到端：fake 回嵌套 JSON 也能过 generate。"""