diff --git a/RLA/auto_ftp.py b/RLA/auto_ftp.py
index 4a177b4..d125163 100644
--- a/RLA/auto_ftp.py
+++ b/RLA/auto_ftp.py
@@ -5,7 +5,6 @@
 import traceback
 from RLA.const import *
 from RLA.easy_log import logger
-
 import pysftp
 
 
@@ -17,6 +16,7 @@ def ftp_factory(name, server, username, password, port, ignore=None):
     else:
         raise NotImplementedError
 
+
 class FTPHandler(object):
 
     def __init__(self, ftp_server, username, password, port, ignore=None):
@@ -139,6 +139,7 @@ def close(self):
         self.ftp.quit()
         self.ftp.close()
 
+
 class SFTPHandler(FTPHandler):
 
     def __init__(self, sftp_server, username, password, port, ignore=None):
diff --git a/RLA/easy_log/const.py b/RLA/easy_log/const.py
index 4eaa5d9..2c432a1 100644
--- a/RLA/easy_log/const.py
+++ b/RLA/easy_log/const.py
@@ -5,7 +5,7 @@
 OTHER_RESULTS = 'results'
 ARCHIVED_TABLE = 'arc'
 default_log_types = [LOG, CODE, CHECKPOINT, ARCHIVE_TESTER, OTHER_RESULTS]
-
+HYPARAM = 'parameter'
 
 class LoadTesterMode:
     FORK_TO_NEW = 'fork'
diff --git a/RLA/easy_log/tester.py b/RLA/easy_log/tester.py
index ba7b2ed..af2b2bf 100644
--- a/RLA/easy_log/tester.py
+++ b/RLA/easy_log/tester.py
@@ -215,6 +215,11 @@ def log_files_gen(self):
         self.serialize_object_and_save()
         self.__copy_source_code(self.run_file, code_dir)
         self._feed_hyper_params_to_tb()
+        params = self.hyper_param
+        for param_dir in [self.code_dir, self.log_dir]:
+            with open(osp.join(param_dir, HYPARAM + '.json'), 'w') as f:
+                json.dump(params, f, sort_keys=True, indent=4, allow_nan=True, default=lambda o: '<not serializable>')
+                print("gen:", osp.join(param_dir, 'parameter.json'))
         self.print_log_dir()
 
     def update_log_files_location(self, root:str):
@@ -782,9 +787,6 @@ def print_args(self):
         # formatted_log_name = self.log_name_formatter(self.get_task_table_name(), self.record_date)
         params = exp_manager.hyper_param
         # params['formatted_log_name'] = formatted_log_name
-        json.dump(params, open(osp.join(self.code_dir, 'parameter.json'), 'w'),
-                  sort_keys=True, indent=4, allow_nan=True, default=lambda o: '<not serializable>')
-        print("gen:", osp.join(self.code_dir, 'parameter.json'))
 
 
     def print_large_memory_variable(self):
diff --git a/RLA/easy_plot/plot_func_v2.py b/RLA/easy_plot/plot_func_v2.py
index d1ed652..f309d1e 100644
--- a/RLA/easy_plot/plot_func_v2.py
+++ b/RLA/easy_plot/plot_func_v2.py
@@ -1,6 +1,7 @@
 # Created by xionghuichen at 2022/8/10
 # Email: chenxh@lamda.nju.edu.cn
 import glob
+import json
 import os.path as osp
 import os
 import dill
@@ -8,13 +9,11 @@
 import numpy as np
 from typing import Dict, List, Tuple, Type, Union, Optional, Callable
 import matplotlib.pyplot as plt
-
 from RLA import logger
 from RLA.const import DEFAULT_X_NAME
 from RLA.query_tool import experiment_data_query, extract_valid_index
-
 from RLA.easy_plot import plot_util
-from RLA.easy_log.const import LOG, ARCHIVE_TESTER, OTHER_RESULTS
+from RLA.easy_log.const import LOG, ARCHIVE_TESTER, OTHER_RESULTS, HYPARAM
 
 
 
@@ -25,7 +24,6 @@ def default_key_to_legend(parse_dict, split_keys, y_name, use_y_name=True):
     else:
         return task_split_key
 
-
 def plot_func(data_root:str, task_table_name:str, regs:list, split_keys:list, metrics:list,
               use_buf=False, verbose=True,
               x_bound: Optional[int]=None,
@@ -97,7 +95,11 @@ def plot_func(data_root:str, task_table_name:str, regs:list, split_keys:list, me
             if verbose:
                 print("find log", v.dirname)
             counter += 1
-            result.hyper_param = tester_dict[k].exp_manager.hyper_param
+            if os.path.exists(osp.join(v.dirname, HYPARAM + '.json')):
+                with open(osp.join(v.dirname, HYPARAM + '.json')) as f:
+                    result.hyper_param = json.load(f)
+            else:
+                result.hyper_param = tester_dict[k].exp_manager.hyper_param
             results.append(result)
             reg_group[reg].append(result)
         print("find log number", counter)
@@ -126,7 +128,6 @@ def plot_func(data_root:str, task_table_name:str, regs:list, split_keys:list, me
                                split_by_metrics=split_by_metrics, regs2legends=regs2legends, *args, **kwargs)
     print("--- complete process ---")
     if save_name is not None:
-        import os
         file_name = osp.join(data_root, OTHER_RESULTS, 'easy_plot', save_name)
         os.makedirs(os.path.dirname(file_name), exist_ok=True)
         if lgd is not None:
diff --git a/test/test_data_root/log/demo_task/2022/11/24/18-46-30-917022_172.16.0.147_&env_id=Test-v1&learning_rate=0.001&seed=88/parameter.json b/test/test_data_root/log/demo_task/2022/11/24/18-46-30-917022_172.16.0.147_&env_id=Test-v1&learning_rate=0.001&seed=88/parameter.json
new file mode 100644
index 0000000..f184d95
--- /dev/null
+++ b/test/test_data_root/log/demo_task/2022/11/24/18-46-30-917022_172.16.0.147_&env_id=Test-v1&learning_rate=0.001&seed=88/parameter.json
@@ -0,0 +1,9 @@
+{
+    "env_id": "Test-v1",
+    "info": "default exp info",
+    "input_size": 16,
+    "learning_rate": 0.001,
+    "loaded_date": true,
+    "loaded_task_name": "",
+    "seed": 88
+}
\ No newline at end of file
diff --git a/test/test_data_root/log/demo_task/2023/02/02/13-27-13-132216_11.0.91.89_&input_size=16/parameter.json b/test/test_data_root/log/demo_task/2023/02/02/13-27-13-132216_11.0.91.89_&input_size=16/parameter.json
new file mode 100644
index 0000000..8757b29
--- /dev/null
+++ b/test/test_data_root/log/demo_task/2023/02/02/13-27-13-132216_11.0.91.89_&input_size=16/parameter.json
@@ -0,0 +1,4 @@
+{
+    "input_size": 16,
+    "learning_rate": 0.0001
+}
\ No newline at end of file
diff --git a/test/test_plot.ipynb b/test/test_plot.ipynb
index f3c5280..320d924 100644
--- a/test/test_plot.ipynb
+++ b/test/test_plot.ipynb
@@ -731,7 +731,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 16,
    "id": "a55937ed",
    "metadata": {
     "scrolled": false
diff --git a/test/test_proj/proj/test_manager.py b/test/test_proj/proj/test_manager.py
index b6c21f9..8d4ea30 100644
--- a/test/test_proj/proj/test_manager.py
+++ b/test/test_proj/proj/test_manager.py
@@ -55,7 +55,7 @@ def test_log_tf(self):
 
         exp_manager.new_saver(var_prefix='', max_to_keep=1)
         # synthetic target function.
-        for i in range(0, 1000):
+        for i in range(0, 100):
             exp_manager.time_step_holder.set_time(i)
             x_input = np.random.normal(0, 3, [64, kwargs["input_size"]])
             y = target_func(x_input)
@@ -143,10 +143,22 @@ def test_sent_to_master(self):
         yaml = self._load_rla_config()
         try:
             from test.test_proj.proj import private_config
+            # try to import libs
         except ImportError as e:
             print("[WARN] for this test, you should config your username, password, and the remote root firstly.")
             return
             # raise RuntimeError
+        try:
+            if private_config.protocol == 'ftp':
+                import ftplib
+            elif private_config.protocol == 'sftp':
+                import pysftp
+            else:
+                raise NotImplementedError
+        except ImportError as e:
+            print(e)
+            print(f"[WARN] the select protocol {private_config.protocol} cannot be loaded. skip the unittest.")
+            return
         yaml['DL_FRAMEWORK'] = 'torch'
         yaml['SEND_LOG_FILE'] = True
         yaml['REMOTE_SETTING']['ftp_server'] = '127.0.0.1'