fix: fix a bug in registration

apps/fsm/models/form.py

@@ -150,7 +150,7 @@ def validate_user_registration_permission_status(self, user):
     def check_time(self):
         if self.end_date and datetime.now(self.end_date.tzinfo) > self.end_date:
             return self.RegisterPermissionStatus.DeadlineMissed
-        if self.start_date and datetime.now(self.end_date.tzinfo) < self.start_date:
+        if self.start_date and datetime.now(self.start_date.tzinfo) < self.start_date:
             return self.RegisterPermissionStatus.NotStarted
         return 'ok'