排行榜没有阶段时的显示

app/helpers/competitions_helper.rb

@@ -47,7 +47,7 @@ module CompetitionsHelper
     end
 
     statistic_stages.each do |stage|
-      if stage.max_end_time && stage.max_end_time < Time.now
+      if (stage.max_end_time && stage.max_end_time < Time.now) || stage.max_end_time.nil?
         stages << {id: stage.id, name: "#{stage.name}排行榜", rate: stage.score_rate, start_time: stage.min_start_time, end_time: stage.max_end_time}
       end
     end