diff --git a/app/api/endpoints/plugin.py b/app/api/endpoints/plugin.py
index 2af1d9f90..418819b73 100644
--- a/app/api/endpoints/plugin.py
+++ b/app/api/endpoints/plugin.py
@@ -86,7 +86,7 @@ from app.schemas.types import SystemConfigKey
 from app.startup.composition.context import HostRuntime
 
 router = ResponseAPIRouter()
-router.include_router(plugin_folders_router)
+router.routes.extend(plugin_folders_router.routes)
 _plugin_release_refresh_tasks: set[asyncio.Task] = set()
 
 
diff --git a/app/api/endpoints/subscribe.py b/app/api/endpoints/subscribe.py
index f259065ca..35fbbed54 100644
--- a/app/api/endpoints/subscribe.py
+++ b/app/api/endpoints/subscribe.py
@@ -88,7 +88,7 @@ from app.schemas.workflow import MediaInfo as _SchemaMediaInfo
 from app.schemas.workflow import Subscribe as _SchemaSubscribe
 
 router = ResponseAPIRouter()
-router.include_router(subscribe_maintenance_router)
+router.routes.extend(subscribe_maintenance_router.routes)
 
 __all__ = [
     "check_subscribes",
diff --git a/app/api/endpoints/system.py b/app/api/endpoints/system.py
index 3bbed30df..5ba63e24f 100644
--- a/app/api/endpoints/system.py
+++ b/app/api/endpoints/system.py
@@ -70,7 +70,7 @@ from app.schemas.types import SystemConfigKey
 from app.startup.composition.context import HostRuntime
 
 router = ResponseAPIRouter()
-router.include_router(system_identifiers_router)
+router.routes.extend(system_identifiers_router.routes)
 
 _PUBLIC_SYSTEM_CONFIG_KEYS = {
     item.value: item
diff --git a/tests/test_router_aggregation.py b/tests/test_router_aggregation.py
index 922a14661..5a160b9dd 100644
--- a/tests/test_router_aggregation.py
+++ b/tests/test_router_aggregation.py
@@ -162,6 +162,15 @@ def test_compatibility_api_router_keeps_public_contract():
     assert expected_paths <= paths
 
 
+def test_split_endpoint_routes_are_flattened_into_parent_routers():
+    """拆分端点合并后父路由只应暴露可执行路由，避免测试和工具遇到包装节点。"""
+    from app.api.endpoints import plugin, subscribe, system
+
+    for endpoint in (plugin, subscribe, system):
+        assert endpoint.router.routes
+        assert all(isinstance(route, APIRoute) for route in endpoint.router.routes)
+
+
 def test_init_routers_accepts_composition_root_api_prefix():
     """路由初始化应使用组合根传入的 API 前缀。"""
     from app.startup.initializers.routers import init_routers