diff --git a/usr/lib/sonist/sonist.py b/usr/lib/sonist/sonist.py
index 656e986..eafd590 100755
--- a/usr/lib/sonist/sonist.py
+++ b/usr/lib/sonist/sonist.py
@@ -103,7 +103,9 @@ class Application(Gtk.Application):
 
 
 if __name__ == "__main__":
-  app = Application()
-  app.run(sys.argv)
-
+  try:
+    app = Application()
+    app.run(sys.argv)
+  except:
+    pass
 
diff --git a/usr/lib/sonist/window.py b/usr/lib/sonist/window.py
index c04d7b3..b58b321 100644
--- a/usr/lib/sonist/window.py
+++ b/usr/lib/sonist/window.py
@@ -37,6 +37,7 @@ class SonistWindow(Gtk.Window):
     self.set_default_style()
 
     self.connect("destroy", lambda win: app.remove_window(win))
+    self.connect("button-press-event", self.on_drag_start)
 
     self.mpd.connect('offline', lambda o: self.reset_player())
     self.mpd.connect('online', lambda o: self.sync_state(None, None, True))
@@ -45,6 +46,7 @@ class SonistWindow(Gtk.Window):
     self.mpd.connect('volume_changed', lambda o, vol: self.update_volume(vol))
     self.mpd.connect('playing', lambda o, stat, song: self.update_playtime(stat))
 
+    self.set_decorated(False)
     self.set_name('SonistWindow')
     self.set_title('Sonist')
     self.set_default_size(320, 384)
@@ -151,7 +153,12 @@ class SonistWindow(Gtk.Window):
     self.style_context.add_provider_for_screen(self.screen, provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
 
 
-
+  def on_drag_start(self, widget, event):
+    self.begin_move_drag(
+      event.button,
+      int(event.x_root),
+      int(event.y_root),
+      event.time)
 
   def get_mpd_stat(self):
     try:
@@ -285,7 +292,10 @@ class SonistWindow(Gtk.Window):
       song_num = int(self.mpd.stats().get('songs') or 0)
       playlist = [it['file'] for it in self.mpd.playlistinfo()]
 
-      self.ctrl_box.disabled = song_num == 0
+
+      if song_num == 0:
+        self.ctrl_box.disabled = True
+        return
       
       # 这里只做添加, 不做删除, 重建播放列表在设置里
       if song_num > 0 and len(playlist) < song_num:
@@ -307,42 +317,38 @@ class SonistWindow(Gtk.Window):
         self.ctrl_box.toggle_mode_btn(mode = 'random')
 
 
+    song = song or self.mpd.currentsong()
 
+    if song.get('id'):
+      # 更新歌曲信息
+      self.title_box.update(f"{song.get('artist')} - {song.get('title')}")
 
-    if state != 'stop':
+      title_hex = base64.b64encode(song.get('title').encode()).hex()
 
-      song = song or self.mpd.currentsong()
+      filepath = f"{self.app.album_cache_dir}/{title_hex}.png"
+      songpath = f"{self.app.music_dir}/{song.get('file')}"
 
-      if song.get('id'):
-        # 更新歌曲信息
-        self.title_box.update(f"{song.get('artist')} - {song.get('title')}")
-
-        title_hex = base64.b64encode(song.get('title').encode()).hex()
-
-        filepath = f"{self.app.album_cache_dir}/{title_hex}.png"
-        songpath = f"{self.app.music_dir}/{song.get('file')}"
-
-        if os.path.isfile(filepath):
-          self.update_album(filepath)
-        else:
-      
-          id3 = mutagen.File(songpath)
-          pic = None
-          try:
-            if id3.tags.get('APIC:'):
-              pic = id3.tags['APIC:']
-            elif len(id3.pictures) > 0:
-              pic = id3.pictures[0]
-
-            if pic is None:
-              self.update_album()
-            else:
-              album = pic_to_pixbuf(pic)
-              self.update_album(album)
-
-          except Exception as err:
-            pass
+      if os.path.isfile(filepath):
+        self.update_album(filepath)
+      else:
     
+        id3 = mutagen.File(songpath)
+        pic = None
+        try:
+          if id3.tags.get('APIC:'):
+            pic = id3.tags['APIC:']
+          elif len(id3.pictures) > 0:
+            pic = id3.pictures[0]
+
+          if pic is None:
+            self.update_album()
+          else:
+            album = pic_to_pixbuf(pic)
+            self.update_album(album)
+
+        except Exception as err:
+          pass
+  
 
 
   @idle