|  |  | @@ -737,10 +737,7 @@ class ActivityInfo(BaseModelMixin): | 
            
            
              | 737 | 737 |          final_expire_at = self.final_expire_at(created_at=created_at) | 
            
            
              | 738 | 738 |          if not final_expire_at: | 
            
            
              | 739 | 739 |              return '' | 
            
            
              | 740 |  | -        y = tc.local_string(utc_dt=final_expire_at, format='%Y') | 
            
            
              | 741 |  | -        m = tc.local_string(utc_dt=final_expire_at, format='%m') | 
            
            
              | 742 |  | -        d = tc.local_string(utc_dt=final_expire_at, format='%d') | 
            
            
              | 743 |  | -        return u'{}年{}月{}日'.format(y, m, d) | 
            
            
              |  | 740 | +        return tc.local_string(utc_dt=final_expire_at, format=u'%Y年%m月%d日', isuc=True) | 
            
            
              | 744 | 741 |   | 
            
            
              | 745 | 742 |      def has_unexpired_activity(self, model_name): | 
            
            
              | 746 | 743 |          return ((self.model_uni_names and model_name in self.model_uni_names) or not self.model_uni_names) and (self.start_at <= tc.utc_datetime() < self.end_at) |