diff --git a/app/models/shixun.rb b/app/models/shixun.rb
index 4a4aea355..cb305efaf 100644
--- a/app/models/shixun.rb
+++ b/app/models/shixun.rb
@@ -73,9 +73,8 @@ class Shixun < ApplicationRecord
 
   # 实训用户tag
   def user_tags_name(user = User.current)
-    challenge_ids = challenges.pluck(:id)
-    user_challenge_ids = user.games.where(challenge_id: challenge_ids, status: 2).pluck(:challenge_id)
-    ChallengeTag.where(challenge_id: user_challenge_ids).pluck(:name).uniq
+    Shixun.joins(challenges: [:challenge_tags, :games]).where(games: {status: 2, user_id: user.id}, shixuns: {id:id})
+        .pluck("challenge_tags.name").uniq
   end
 
   # 实训关卡tag
@@ -159,7 +158,6 @@ class Shixun < ApplicationRecord
   # return [实训评分， 5星评分比例， 4星评分比例， 3星评分比例， 2星评分比例， 1星评分比例]
   def shixun_preference_info
     game_star_info = Game.joins(challenge: :shixun).where(shixuns: {id: id}).where.not(games: {star: 0}).pluck(:star)
-
     star_info = []
     if game_star_info.present?
       5.downto(1) do |i|