diff --git a/deployment/docker/Dockerfile b/deployment/docker/Dockerfile
index f15c1c7148..73a6dc45df 100644
--- a/deployment/docker/Dockerfile
+++ b/deployment/docker/Dockerfile
@@ -65,6 +65,9 @@ RUN python3 -m pip --no-cache-dir install tensorflow-gpu==1.10.0
 #
 RUN python3 -m pip --no-cache-dir install Keras==2.1.6
 
+#sklearn
+RUN python3 -m pip --no-cache-dir install scikit-learn
+
 ENV PATH=/usr/local/nvidia/bin:/usr/local/cuda/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/root/.local/bin:/usr/bin:
 
 WORKDIR /root
\ No newline at end of file
diff --git a/examples/trials/sklearn/requirements.txt b/examples/trials/sklearn/requirements.txt
new file mode 100644
index 0000000000..6e2a708386
--- /dev/null
+++ b/examples/trials/sklearn/requirements.txt
@@ -0,0 +1,4 @@
+pip3 install numpy
+sudo apt-get install libblas-dev liblapack-dev libatlas-base-dev gfortran
+sudo pip3 install scipy
+sudo pip3 install sklearn
\ No newline at end of file
diff --git a/tools/nnicmd/launcher.py b/tools/nnicmd/launcher.py
index 16235cb813..0761d10983 100644
--- a/tools/nnicmd/launcher.py
+++ b/tools/nnicmd/launcher.py
@@ -216,7 +216,7 @@ def set_experiment(experiment_config, mode, port, config_file_name):
         if response:
             with open(stderr_full_path, 'a+') as fout:
                 fout.write(json.dumps(json.loads(response.text), indent=4, sort_keys=True, separators=(',', ':')))
-        print_error('Setting experiment error, error message is {}'.format(response.text))
+            print_error('Setting experiment error, error message is {}'.format(response.text))
         return None
 
 def launch_experiment(args, experiment_config, mode, config_file_name, experiment_id=None):
@@ -349,7 +349,11 @@ def resume_experiment(args):
     nni_config = Config(experiment_dict[experiment_id]['fileName'])
     experiment_config = nni_config.get_config('experimentConfig')
     experiment_id = nni_config.get_config('experimentId')
-    launch_experiment(args, experiment_config, 'resume', experiment_dict[experiment_id]['fileName'], experiment_id)
+    new_config_file_name = ''.join(random.sample(string.ascii_letters + string.digits, 8))
+    new_nni_config = Config(new_config_file_name)
+    new_nni_config.set_config('experimentConfig', experiment_config)
+    launch_experiment(args, experiment_config, 'resume', new_config_file_name, experiment_id)
+    new_nni_config.set_config('restServerPort', args.port)
 
 def create_experiment(args):
     '''start a new experiment'''
diff --git a/tools/nnicmd/nnictl_utils.py b/tools/nnicmd/nnictl_utils.py
index 1585890508..e549dd99ee 100644
--- a/tools/nnicmd/nnictl_utils.py
+++ b/tools/nnicmd/nnictl_utils.py
@@ -42,11 +42,12 @@ def check_experiment_id(args):
     if not args.id:
         running_experiment_list = []
         for key in experiment_dict.keys():
-            try:
-                if experiment_dict[key]['status'] == 'running':
+            if isinstance(experiment_dict[key], dict):
+                if experiment_dict[key].get('status') == 'running':
                     running_experiment_list.append(key)
-            except:
-                pass
+            elif isinstance(experiment_dict[key], list):
+                # if the config file is old version, remove the configuration from file
+                experiment_config.remove_experiment(key)
         if len(running_experiment_list) > 1:
             print_error('There are multiple experiments running, please set the experiment id...')
             experiment_information = ""
@@ -83,11 +84,12 @@ def parse_ids(args):
     result_list = []
     running_experiment_list = []
     for key in experiment_dict.keys():
-        try:
-            if experiment_dict[key]['status'] == 'running':
+        if isinstance(experiment_dict[key], dict):
+            if experiment_dict[key].get('status') == 'running':
                 running_experiment_list.append(key)
-        except:
-            pass
+        elif isinstance(experiment_dict[key], list):
+            # if the config file is old version, remove the configuration from file
+            experiment_config.remove_experiment(key)
     if not args.id:
         if len(running_experiment_list) > 1:
             print_error('There are multiple experiments running, please set the experiment id...')