Release v0.64 Fix update error

Author: xfangfang

macast/.version

@@ -1 +1 @@
-0.63
+0.64

macast/gui.py

@@ -273,6 +273,8 @@ def dialog(self, content, callback=None, cancel="Cancel", ok="Ok"):
                     callback()
             except Exception as e:
                 self.notification("Error", "Cannot access System Events")
+                logger.error(e)
+                callback()
         else:
             self.notification("Macast", content)
             if callback:

macast/macast.py

@@ -476,7 +476,7 @@ def check_update(self, verbose=True):
 
             if float(Setting.get_version()) < float(online_version):
                 self.dialog(_("Macast New Update {}").format(res['tag_name']),
-                            lambda _: self.open_browser(release_url),
+                            lambda: self.open_browser(release_url),
                             ok="Update")
             else:
                 if verbose: