diff --git a/examples/demo_with_launcher.ipynb b/examples/demo_with_launcher.ipynb
index 145c77b37..526f77eb8 100644
--- a/examples/demo_with_launcher.ipynb
+++ b/examples/demo_with_launcher.ipynb
@@ -64,7 +64,7 @@
     "import os\n",
     "import sys\n",
     "\n",
-    "from data_processing.ray import RayTransformLauncher\n",
+    "from data_processing.runtime.ray import RayTransformLauncher\n",
     "from data_processing.utils import ParamsUtils"
    ]
   },