diff --git a/opencompass/cli/main.py b/opencompass/cli/main.py
index 7e19a517..5c8748ba 100644
--- a/opencompass/cli/main.py
+++ b/opencompass/cli/main.py
@@ -129,18 +129,19 @@ def parse_args():
         'correctness of each sample, bpb, etc.',
         action='store_true',
     )
-    parser.add_argument(
-        '--save-to-station',
-        help='Whether to save the evaluation results to the '
-             'data station.',
-        action='store_true',
-    )
+
     parser.add_argument('-sp',
         '--station-path',
-        help='Path to your reuslts station.',
+        help='Path to your results station.',
         type=str,
         default=None,
     )
+
+    parser.add_argument('--station-overwrite',
+        help='Whether to overwrite the results at station.',
+        action='store_true',
+    )
+
     parser.add_argument(
         '--read-from-station',
         help='Whether to save the evaluation results to the '
@@ -290,7 +291,6 @@ def main():
         rs_exist_results = [comb['combination'] for comb in existing_results_list]
         cfg['rs_exist_results'] = rs_exist_results
 
-
     # report to lark bot if specify --lark
     if not args.lark:
         cfg['lark_bot_url'] = None
@@ -381,7 +381,7 @@ def main():
             runner(tasks)
 
     # save to station
-    if args.save_to_station:
+    if args.station_path is not None or cfg.get('station_path') is not None:
         Save_To_Station(cfg, args)
 
     # visualize
diff --git a/opencompass/utils/result_station.py b/opencompass/utils/result_station.py
index 0b14f875..0ca7afbf 100644
--- a/opencompass/utils/result_station.py
+++ b/opencompass/utils/result_station.py
@@ -8,12 +8,10 @@ from opencompass.utils.abbr import dataset_abbr_from_cfg, model_abbr_from_cfg
 
 def Save_To_Station(cfg, args):
 
-    assert args.station_path is not None or 'station_path' in cfg.keys(
-    ) and cfg['station_path'] is not None
-    if 'station_path' in cfg.keys() and cfg['station_path'] is not None:
-        station_path = cfg['station_path']
-    else:
+    if args.station_path is not None:
         station_path = args.station_path
+    else:
+        station_path = cfg.get('station_path')
 
     work_dict = cfg['work_dir']
     model_list = [model_abbr_from_cfg(model) for model in cfg['models']]
@@ -34,18 +32,21 @@ def Save_To_Station(cfg, args):
             os.makedirs(result_path)
 
         for model in model_list:
-            if [model, dataset] in rs_exist_results:
+            if ([model, dataset] in rs_exist_results
+                    and not args.station_overwrite):
                 continue
             result_file_name = model + '.json'
-            if osp.exists(osp.join(result_path, result_file_name)):
+            if osp.exists(
+                    osp.join(result_path,
+                             result_file_name)) and not args.station_overwrite:
                 print('result of {} with {} already exists'.format(
                     dataset, model))
                 continue
             else:
-
                 # get result dict
-                local_result_path = work_dict + '/results/' + model + '/'
-                local_result_json = local_result_path + dataset + '.json'
+                local_result_path = osp.join(work_dict, 'results', model)
+                local_result_json = osp.join(local_result_path,
+                                             dataset + '.json')
                 if not osp.exists(local_result_json):
                     raise ValueError(
                         'invalid file: {}'.format(local_result_json))
@@ -54,8 +55,8 @@ def Save_To_Station(cfg, args):
                 f.close()
 
                 # get prediction list
-                local_prediction_path = (work_dict + '/predictions/' + model +
-                                         '/')
+                local_prediction_path = osp.join(work_dict, 'predictions',
+                                                 model)
                 local_prediction_regex = \
                     rf'^{re.escape(dataset)}(?:_\d+)?\.json$'
                 local_prediction_json = find_files_by_regex(
@@ -66,7 +67,7 @@ def Save_To_Station(cfg, args):
 
                 this_prediction = []
                 for prediction_json in local_prediction_json:
-                    with open(local_prediction_path + prediction_json,
+                    with open(osp.join(local_prediction_path, prediction_json),
                               'r') as f:
                         this_prediction_load_json = json.load(f)
                     f.close()
@@ -104,12 +105,11 @@ def Save_To_Station(cfg, args):
 
 def Read_From_Station(cfg, args):
 
-    assert args.station_path is not None or 'station_path' in cfg.keys(
-    ) and cfg['station_path'] is not None
-    if 'station_path' in cfg.keys() and cfg['station_path'] is not None:
-        station_path = cfg['station_path']
-    else:
+    assert args.station_path is not None or cfg.get('station_path') is not None
+    if args.station_path is not None:
         station_path = args.station_path
+    else:
+        station_path = cfg.get('station_path')
 
     model_list = [model_abbr_from_cfg(model) for model in cfg['models']]
     dataset_list = [
@@ -150,6 +150,8 @@ def Read_From_Station(cfg, args):
             os.makedirs(this_result_local_path)
         this_result_local_file_path = osp.join(this_result_local_path,
                                                i['combination'][1] + '.json')
+        if osp.exists(this_result_local_file_path):
+            continue
         with open(this_result_local_file_path, 'w') as f:
             json.dump(this_result, f, ensure_ascii=False, indent=4)
         f.close()