diff --git a/RLA/easy_log/log_tools.py b/RLA/easy_log/log_tools.py
index a9b704e..0e851b3 100644
--- a/RLA/easy_log/log_tools.py
+++ b/RLA/easy_log/log_tools.py
@@ -243,23 +243,24 @@ def archive_log(self, skip_ask=False):
             s = input("archive these files? (y/n) \n ")
         if s == 'y':
             print("archiving ...")
+
             self._archive_log(show=False)
 
 
 
-class MoveLogTool(BasicLogTool):
+class MigrateLogTool(BasicLogTool):
     def __init__(self, proj_root, task_table_name, regex, target_task_table_name, *args, **kwargs):
         self.proj_root = proj_root
         self.task_table_name = task_table_name
         self.regex = regex
         self.target_task_table_name = target_task_table_name
-        super(MoveLogTool, self).__init__(*args, **kwargs)
+        super(MigrateLogTool, self).__init__(*args, **kwargs)
 
-    def _archive_log(self, show=False):
+    def _migrate_log(self, show=False):
         for log_type in self.log_types:
             root_dir_regex = osp.join(self.proj_root, log_type, self.task_table_name, self.regex)
             target_root_dir = osp.join(self.proj_root, log_type, self.target_task_table_name)
-            prefix_dir = osp.join(self.proj_root, log_type)
+            prefix_dir = osp.join(self.proj_root, log_type, self.task_table_name)
             prefix_len = len(prefix_dir)
             empty = True
             # os.system("chmod +x -R \"{}\"".format(prefix_dir))
@@ -288,15 +289,15 @@ def _archive_log(self, show=False):
             if empty: print("empty regex {}".format(root_dir_regex))
         pass
 
-    def archive_log(self, skip_ask=False):
-        self._archive_log(show=True)
+    def migrate_log(self, skip_ask=False):
+        self._migrate_log(show=True)
         if skip_ask:
             s = 'y'
         else:
-            s = input("archive these files? (y/n) \n ")
+            s = input("migrate these files? (y/n) \n ")
         if s == 'y':
-            print("moving ...")
-            self._archive_log(show=False)
+            print("migrating ...")
+            self._migrate_log(show=False)
 
 
 
diff --git a/rla_scripts/migrate_expt.py b/rla_scripts/migrate_expt.py
index d5e66cc..58a4ce5 100644
--- a/rla_scripts/migrate_expt.py
+++ b/rla_scripts/migrate_expt.py
@@ -1,12 +1,12 @@
 # Created by xionghuichen at 2022/12/6
 # Email: chenxh@lamda.nju.edu.cn
 """
-A script to move some important experiments to another task_table
+A script to migrate some important experiments in one task table to the target task table.
 
 
 """
 from rla_script_config import *
-from RLA.easy_log.log_tools import MoveLogTool
+from RLA.easy_log.log_tools import MigrateLogTool
 import argparse
 
 def argsparser():
@@ -21,6 +21,6 @@ def argsparser():
 
 if __name__=='__main__':
     args = argsparser()
-    dlt = MoveLogTool(proj_root=DATA_ROOT, task_table_name=args.task_table, regex=args.regex,
-                      target_task_table_name=args.target_task_table)
-    dlt.archive_log()
\ No newline at end of file
+    dlt = MigrateLogTool(proj_root=DATA_ROOT, task_table_name=args.task_table, regex=args.regex,
+                         target_task_table_name=args.target_task_table)
+    dlt.migrate_log()
diff --git a/test/test_scripts.py b/test/test_scripts.py
index 5b23387..6f773bc 100644
--- a/test/test_scripts.py
+++ b/test/test_scripts.py
@@ -1,6 +1,6 @@
 from test._base import BaseTest
 from RLA.easy_log.log_tools import DeleteLogTool, Filter
-from RLA.easy_log.log_tools import ArchiveLogTool, ViewLogTool
+from RLA.easy_log.log_tools import ArchiveLogTool, ViewLogTool, MigrateLogTool
 from RLA.easy_log.tester import exp_manager
 
 import os
@@ -57,6 +57,17 @@ def test_archive(self) -> None:
         log_found = dlt.delete_related_log(skip_ask=True)
         assert log_found == 10
 
+    def test_migrate(self) -> None:
+        self.remove_and_copy_data()
+        dlt = MigrateLogTool(proj_root=self.TARGET_DATA_ROOT, task_table_name=self.TASK_NAME,
+                             regex='2022/03/01/21-13*', target_task_table_name=self.TASK_NAME + '_v2')
+        dlt.migrate_log(skip_ask=True)
+        filter = Filter()
+        filter.config(type=Filter.ALL, timstep_bound=1)
+        dlt = DeleteLogTool(proj_root=self.TARGET_DATA_ROOT, regex='2022/03/01/21-13*', filter=filter, task_table_name=self.TASK_NAME + '_v2')
+        log_found = dlt.delete_related_log(skip_ask=True)
+        assert log_found == 10, f"found {log_found} expts."
+
     def test_view(self) -> None:
         """
         view experiment log.See rla_scripts/view_expt.py