diff --git a/app/models/user.rb b/app/models/user.rb
index a877b2b90..0177d71a2 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -396,7 +396,7 @@ class User < ApplicationRecord
     when 0, 1, 3 # 申请发布或者已关闭的实训，只有实训管理员可以访问
       manager_of_shixun?(shixun)
     when 2
-      shixun.use_scope == 0 || (manager_of_shixun?(shixun) || shixun.shixun_schools.exists?(school_id: school_id))
+      shixun.use_scope == 0 || manager_of_shixun?(shixun) || shixun.shixun_schools.exists?(school_id: school_id)
     end
   end