diff --git a/README.md b/README.md
index d2c346b..1111af1 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ A naive tool for observing gpu status and auto set visible gpu in python code.
 
 1. install the package.
 ```shell
-pip install https://git.zmy.pub/zmyme/gpuutil/archive/v0.0.4.tar.gz
+pip install https://git.zmy.pub/zmyme/gpuutil/archive/v0.0.5.tar.gz
 ```
 
 2. for observing gpu status, just input
diff --git a/gpuutil/__main__.py b/gpuutil/__main__.py
index a4a3c52..d9e9200 100644
--- a/gpuutil/__main__.py
+++ b/gpuutil/__main__.py
@@ -59,7 +59,7 @@ if __name__ == '__main__':
     recommended_cols = ['ID', 'Fan', 'Temp', 'Pwr', 'Freq', 'Util', 'Vmem']
 
     parser = argparse.ArgumentParser()
-    parser.add_argument('--profile', '-p', default=None, type=str, help='profile keyword, corresponding configuration are saved in ~/.gpuutil.conf')
+    parser.add_argument('--profile', '-p', default='default', type=str, help='profile keyword, corresponding configuration are saved in ~/.gpuutil.conf')
     parser.add_argument('--cols', '-c', type=csv2list, help='colums to show.(Availabel cols: {0}'.format(avaliable_cols))
     parser.add_argument('--style', '-sty', type=str, default=None, help='column style, format: |c|l:15|r|c:14rl:13|, c,l,r are align methods, | is line and :(int) are width limit.')
     parser.add_argument('--show-process', '-sp', default=True, type=str2bool, help='whether show process or not')
@@ -92,6 +92,14 @@ if __name__ == '__main__':
         save_config(config)
     elif args.profile is not None:
         config = load_config()
+        if 'default' not in config:
+            config['default'] = {
+                "cols": cols,
+                "style": style,
+                "limit": limit,
+                "show-process": show_process,
+                "vertical": vertical
+            }
         if args.profile in config:
             params = config[args.profile]
             cols = params["cols"]
@@ -105,7 +113,6 @@ if __name__ == '__main__':
                 limit = params["limit"]
             if "vertical" in params:
                 vertical = params["vertical"]
-
         else:
             raise ValueError('Profile do not exist.\nAvaliable Profiles:{0}'.format(','.join(list(config.keys()))))
     info = stat.show(enabled_cols = cols, colsty=style, colsz=limit, vertical=vertical, show_command=show_process, tostdout=False)
@@ -126,7 +133,7 @@ if __name__ == '__main__':
                         break
                     curses.flushinp()
                     hint = "Interval: {0} S | CurrentTime: {1}".format(args.watch, time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))
-                    stdscr.clear()
+                    stdscr.erase()
                     stdscr.addstr(0, 0, hint + '\n' + info)
                     stdscr.refresh()
                     passed_time = time.time() - lasttime