diff --git a/README.md b/README.md
index c464422..fb9b422 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 0.0 (developing)
 
-中文版请移步[这里](https://github.com/shenjackyuanjie/DR/blob/main/docs/README-cn.md)。
+中文README请移步[这里](https://github.com/shenjackyuanjie/Difficult-Rocket/blob/main/docs/README-cn.md)。
 
 > It's a Simple Rocket liked game build with Python
 
diff --git a/bin/client.py b/bin/client.py
index 1b16133..bf84a8f 100644
--- a/bin/client.py
+++ b/bin/client.py
@@ -54,16 +54,13 @@ class RenderThread(mp.Process, pyglet.window.Window):
         self.planet_system = tools.config('sys_value/planet.json5')  # hole planet system
         # list
         # re stuff
-        self.ipv4_re = re.compile(
-            u'^(25[0-5]|2[0-4]\d|[0-1]?\d?\d)(\.(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}$')
         # window
         self.window = Window(width=int(self.window_config['width']),
                              height=int(self.window_config['height']),
-                             fullscreen=tools.c_b(
-                                 self.window_config['full_screen']),
+                             fullscreen=tools.c_b(self.window_config['full_screen']),
                              caption=str(self.window_config['caption']),
                              visible=tools.c_b(self.window_config['visible']))
-        self.logger.info('setup done')
+        self.logger.info('client setup done!')
         # setup
         self.setup()
 
@@ -76,8 +73,8 @@ class RenderThread(mp.Process, pyglet.window.Window):
         if self.net_mode == 'local':
             pass
         # net_mode != 'local' and ,can is a ipv4 ip
-        elif re.match(self.ipv4_re, self.net_mode):
-            pass
+        # elif re.match(self.ipv4_re, self.net_mode):
+        #     pass
         # textures
         self.textures = {}
         # parts
diff --git a/bin/main.py b/bin/main.py
index 7c2f5f8..15bda46 100644
--- a/bin/main.py
+++ b/bin/main.py
@@ -33,16 +33,26 @@ class Game:
         self.lists = share().list()
         # logger
         self.log_config = tools.config('configs/logging.json5', 'file')
-        self.log_filename = 'logs/' + configs.name_handler(
-            self.log_config['filename']['main'], self.log_config['filename']['formats'])
-        logging.basicConfig(filename=self.log_filename, level=logging.DEBUG)
-        self.root_logger_stream_hander = logging.StreamHandler()
-        self.root_logger_stream_hander.setLevel(
-            self.log_config['level'])
-        logging.getLogger().addHandler(self.root_logger_stream_hander)
+        self.log_filename = 'logs/' + configs.name_handler(self.log_config['filename']['main'],
+                                                           self.log_config['filename']['formats'])
+        logging.basicConfig(level=logging.DEBUG,
+                            format=self.log_config['fmt'],
+                            datefmt=self.log_config['date_fmt'])
+        self.root_logger_stream_handler = logging.StreamHandler()
+        self.root_logger_stream_handler.setLevel(self.log_config['level'])
+
         logging.info('logger done')
-        self.server_logger = logging.getLogger()
-        self.client_logger = logging.getLogger()
+
+        self.root_logger_fmt = logging.Formatter(self.log_config['fmt'], self.log_config['date_fmt'])
+        self.root_logger_stream_handler.setFormatter(self.root_logger_fmt)
+        self.root_logger_stream_handler.setLevel(self.log_config['level'])
+        self.root_logger_file_handler = logging.FileHandler(self.log_filename)
+        self.root_logger_file_handler.setFormatter(self.root_logger_fmt)
+        logging.getLogger().addHandler(self.root_logger_stream_handler)
+        logging.getLogger().addHandler(self.root_logger_file_handler)
+
+        self.server_logger = logging.getLogger().getChild('server')
+        self.client_logger = logging.getLogger().getChild('client')
         self.client_logger.info('client logger and server logger done')
         # client and server
         self.client = client.RenderThread(
diff --git a/bin/server.py b/bin/server.py
index c971f95..d8767b5 100644
--- a/bin/server.py
+++ b/bin/server.py
@@ -18,6 +18,7 @@ class server(mp.Process):
         # share memory
         self.dev_list = dev_list
         self.dev_dic = dev_dic
+        self.logger.info('server setup done!')
 
     def run(self):
         pass
diff --git a/configs/logging.json5 b/configs/logging.json5
index c6f38ac..a9e6cf2 100644
--- a/configs/logging.json5
+++ b/configs/logging.json5
@@ -23,12 +23,12 @@
     'date_fmt': '%Y-%m-%d %H-%M-%S',
     // format at https://docs.python.org/zh-cn/3.8/library/time.html#time.strftime
     'filename': {
-      'main': '{date} SR.log',
+      'main': '{date} DR.log',
       // {date} -> date
       'formats': {
-        '{date}': '%Y-%m-%d %H-%M-%S',
-      // format at https://docs.python.org/zh-cn/3.8/library/time.html#time.strftime
-      // can and more {xx} by adding more obj  EZ
+        '{date}': '%Y-%m-%d %H-%M-%S'
+        // format at https://docs.python.org/zh-cn/3.8/library/time.html#time.strftime
+        // can and more {xx} by adding more obj  EZ
       }
     }
   }