diff --git a/nocobase_crm_mcp/server.py b/nocobase_crm_mcp/server.py
index cf16b00..af27c17 100644
--- a/nocobase_crm_mcp/server.py
+++ b/nocobase_crm_mcp/server.py
@@ -641,10 +641,14 @@ def _read_token_from_env(env_name: str) -> str:
 def create_http_app(server: Any, token: str, upload_endpoint: UploadEndpoint | None = None) -> Any:
     if upload_endpoint is None:
         return BearerTokenAuthMiddleware(server.streamable_http_app(), token)
+
+    async def upload_route(request: Any) -> Any:
+        return await upload_endpoint(request)
+
     mcp_app = server.streamable_http_app()
     app = Starlette(
         routes=[
-            Route("/uploads", endpoint=upload_endpoint, methods=["POST"]),
+            Route("/uploads", endpoint=upload_route, methods=["POST"]),
             Mount("/", app=mcp_app),
         ],
         lifespan=mcp_app.router.lifespan_context,
diff --git a/tests/test_server.py b/tests/test_server.py
index d7cd24a..b932db4 100644
--- a/tests/test_server.py
+++ b/tests/test_server.py
@@ -292,6 +292,23 @@ class ServerTests(unittest.TestCase):
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.json(), {"uploaded": True})
 
+    def test_upload_route_dispatches_callable_endpoint_objects_as_request_handlers(self) -> None:
+        if FastMCP is None:
+            self.skipTest("MCP SDK is not installed")
+
+        server = create_server(crm_service=FakeCrmService(), readonly=True)
+        app = create_http_app(server, "secret", upload_endpoint=FakeUploadEndpoint())
+
+        async def request_upload() -> httpx.Response:
+            async with httpx.AsyncClient(
+                transport=httpx.ASGITransport(app=app), base_url="http://testserver"
+            ) as client:
+                return await client.post("/uploads", headers={"Authorization": "Bearer secret"})
+
+        response = asyncio.run(request_upload())
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.json(), {"uploaded": True})
+
     def test_upload_route_preserves_mcp_application_lifespan(self) -> None:
         lifecycle = {"started": False, "stopped": False}