修复实训评论数不对的情况

app/services/games_service.rb

@@ -33,7 +33,7 @@ class GamesService
     st = game_challenge.st
     game_count = myshixun.games.count
     discusses_count = (current_user.admin? ? shixun.discusses.count :
-                          shixun.discusses.where("hidden = false or user_id = :user_id", user_id: current_user.id))
+                          shixun.discusses.where("hidden = false or user_id = :user_id", user_id: current_user.id).count)
     mirror_name = myshixun.mirror_name
     user = myshixun.owner
     username = user.show_name