diff --git a/examples/workflow_by_code.ipynb b/examples/workflow_by_code.ipynb
index 907245ade..0384c0ed7 100644
--- a/examples/workflow_by_code.ipynb
+++ b/examples/workflow_by_code.ipynb
@@ -204,7 +204,7 @@
     "    },\n",
     "    \"strategy\": {\n",
     "        \"class\": \"TopkDropoutStrategy\",\n",
-    "        \"module_path\": \"qlib.contrib.strategy.model_strategy\",\n",
+    "        \"module_path\": \"qlib.contrib.strategy.signal_strategy\",\n",
     "        \"kwargs\": {\n",
     "            \"model\": model,\n",
     "            \"dataset\": dataset,\n",