diff --git a/examples/multi_level_trading/workflow.py b/examples/multi_level_trading/workflow.py
index 8096fc76f..2b70d4411 100644
--- a/examples/multi_level_trading/workflow.py
+++ b/examples/multi_level_trading/workflow.py
@@ -1,6 +1,7 @@
 #  Copyright (c) Microsoft Corporation.
 #  Licensed under the MIT License.
 
+from typing import Optional
 
 import qlib
 import fire
@@ -124,11 +125,17 @@ class MultiLevelTradingWorkflow:
             sr = SignalRecord(model, dataset, recorder)
             sr.generate()
 
-    def backtest(self):
+    def _load_model(self, load):
+        return R.get_recorder(load, experiment_name="train").load_object("params.pkl")
+
+    def backtest(self, load_model: Optional[str] = None):
         self._init_qlib()
         model = init_instance_by_config(self.task["model"])
         dataset = init_instance_by_config(self.task["dataset"])
-        self._train_model(model, dataset)
+        if load_model is None:
+            self._train_model(model, dataset)
+        else:
+            model = self._load_model(load_model)
         strategy_config = {
             "class": "TopkDropoutStrategy",
             "module_path": "qlib.contrib.strategy.model_strategy",