diff --git a/qlib/model/trainer.py b/qlib/model/trainer.py
index e4fc8eef9..0ef062021 100644
--- a/qlib/model/trainer.py
+++ b/qlib/model/trainer.py
@@ -1,5 +1,6 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
+
 from qlib.utils import init_instance_by_config, flatten_dict
 from qlib.workflow import R
 from qlib.workflow.record_temp import SignalRecord
diff --git a/qlib/workflow/expm.py b/qlib/workflow/expm.py
index 156beb690..80d471845 100644
--- a/qlib/workflow/expm.py
+++ b/qlib/workflow/expm.py
@@ -239,20 +239,17 @@ class MLflowExpManager(ExpManager):
         return self._client
 
     def start_exp(self, experiment_name=None, recorder_name=None, uri=None):
+        # set the tracking uri
+        if uri is None:
+            logger.info("No tracking URI is provided. Use the default tracking URI.")
+        else:
+            self.uri = uri
         # create experiment
         experiment, _ = self._get_or_create_exp(experiment_name=experiment_name)
         # set up active experiment
         self.active_experiment = experiment
         # start the experiment
         self.active_experiment.start(recorder_name)
-        # set the tracking uri
-        if uri is None:
-            logger.info(
-                "No tracking URI is provided. The default tracking URI is set as `mlruns` under the working directory."
-            )
-        else:
-            self.uri = uri
-        mlflow.set_tracking_uri(self.uri)
 
         return self.active_experiment
 
diff --git a/qlib/workflow/recorder.py b/qlib/workflow/recorder.py
index b3069b9ac..b381a914a 100644
--- a/qlib/workflow/recorder.py
+++ b/qlib/workflow/recorder.py
@@ -224,6 +224,8 @@ class MLflowRecorder(Recorder):
             )
 
     def start_run(self):
+        # set the tracking uri
+        mlflow.set_tracking_uri(self.uri)
         # start the run
         run = mlflow.start_run(self.id, self.experiment_id, self.name)
         # save the run id and artifact_uri