diff --git a/qlib/model/base.py b/qlib/model/base.py
index 12caf5f73..493981133 100644
--- a/qlib/model/base.py
+++ b/qlib/model/base.py
@@ -97,7 +97,7 @@ class ModelFT(Model):
 
             # Finetune model based on previous trained model
             with R.start(experiment_name="finetune model"):
-                recorder = R.get_recorder(rid, experiment_name="init models")
+                recorder = R.get_recorder(recorder_id=rid, experiment_name="init models")
                 model = recorder.load_object("init_model")
                 model.finetune(dataset, num_boost_round=10)
 
diff --git a/qlib/workflow/__init__.py b/qlib/workflow/__init__.py
index 63f63fb56..a14f60c01 100644
--- a/qlib/workflow/__init__.py
+++ b/qlib/workflow/__init__.py
@@ -333,7 +333,9 @@ class QlibRecorder:
         """
         self.exp_manager.set_uri(uri)
 
-    def get_recorder(self, recorder_id=None, recorder_name=None, experiment_name=None) -> Recorder:
+    def get_recorder(
+        self, *, recorder_id=None, recorder_name=None, experiment_id=None, experiment_name=None
+    ) -> Recorder:
         """
         Method for retrieving a recorder.
 
@@ -386,7 +388,7 @@ class QlibRecorder:
         -------
         A recorder instance.
         """
-        return self.get_exp(experiment_name=experiment_name, create=False).get_recorder(
+        return self.get_exp(experiment_name=experiment_name, experiment_id=experiment_id, create=False).get_recorder(
             recorder_id, recorder_name, create=False, start=False
         )
 
diff --git a/qlib/workflow/expm.py b/qlib/workflow/expm.py
index 7e39d3a32..84cc6a13a 100644
--- a/qlib/workflow/expm.py
+++ b/qlib/workflow/expm.py
@@ -352,15 +352,8 @@ class MLflowExpManager(ExpManager):
         ), "Please input at least one of experiment/recorder id or name before retrieving experiment/recorder."
         if experiment_id is not None:
             try:
-                experiment_id = int(experiment_id)
-            except ValueError as e:
-                msg = "The `experiment_id` for mlflow backend must be `int`"
-                logger.error(msg)
-                # We have to raise type error here
-                # - The error looks like type error
-                # - Value Error will be catched
-                raise TypeError(msg)
-            try:
+                # NOTE: the mlflow's experiment_id must be str type...
+                # https://www.mlflow.org/docs/latest/python_api/mlflow.tracking.html#mlflow.tracking.MlflowClient.get_experiment
                 exp = self.client.get_experiment(experiment_id)
                 if exp.lifecycle_stage.upper() == "DELETED":
                     raise MlflowException("No valid experiment has been found.")
diff --git a/qlib/workflow/task/manage.py b/qlib/workflow/task/manage.py
index 01f79b1b4..41e243b43 100644
--- a/qlib/workflow/task/manage.py
+++ b/qlib/workflow/task/manage.py
@@ -272,7 +272,7 @@ class TaskManager:
         task = self.fetch_task(query=query, status=status)
         try:
             yield task
-        except Exception:
+        except (Exception, KeyboardInterrupt):  # KeyboardInterrupt is not a subclass of Exception
             if task is not None:
                 self.logger.info("Returning task before raising error")
                 self.return_task(task, status=status)  # return task as the original status