diff --git a/app/controllers/games_controller.rb b/app/controllers/games_controller.rb
index ac0b6baa8..9e645c35a 100644
--- a/app/controllers/games_controller.rb
+++ b/app/controllers/games_controller.rb
@@ -51,9 +51,8 @@ class GamesController < ApplicationController
     # 统计评测时间
     record_onsume_time = EvaluateRecord.where(game_id: @game.id).first.try(:consume_time)
 
-    # power判断用户是否有权限查看隐藏测试集(TPM管理员；平台认证的老师；花费金币查看者)
-    # myshixun_manager
-    myshixun_manager = current_user.manager_of_shixun?(@shixun) || (current_user.is_teacher? && current_user.pro_certification?)
+    # myshixun_manager判断用户是否有权限查看隐藏测试集(TPM管理员；平台认证的老师；花费金币查看者)
+    myshixun_manager = @identity < USER::EDU_GAME_MANAGER
 
     # 选择题和编程题公共部分
     @base_date = {st: @st, discusses_count: discusses_count, game_count: game_count, myshixun: @myshixun,
diff --git a/app/views/shixuns/add_collaborators.json.jbuilder b/app/views/shixuns/add_collaborators.json.jbuilder
index d73a5b9bc..d20f0b318 100644
--- a/app/views/shixuns/add_collaborators.json.jbuilder
+++ b/app/views/shixuns/add_collaborators.json.jbuilder
@@ -4,7 +4,7 @@ json.users do
   json.array! @users do |user|
     json.user_id user.id
     json.identify user.identity
-    json.nickname user.lastname
+    json.nickname user.real_name
     json.school_name user.school_name
   end