diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 67c3bfbe2..f75dacecc 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -207,7 +207,7 @@ class ShixunsController < ApplicationController
 				@new_shixun = Shixun.new
 				@new_shixun.attributes = @shixun.attributes.dup.except("id","user_id","visits","gpid","status", "identifier", "averge_star",
 																															 "homepage_show","repo_name", "myshixuns_count", "challenges_count",
-																															 "can_copy", "created_at", "updated_at")
+																															 "can_copy", "created_at", "updated_at", "public")
 				@new_shixun.user_id = User.current.id
 				@new_shixun.averge_star = 5
 				@new_shixun.identifier = generate_identifier Shixun, 8
diff --git a/app/services/subjects/copy_subject_service.rb b/app/services/subjects/copy_subject_service.rb
index 94157dc7b..f44191fda 100644
--- a/app/services/subjects/copy_subject_service.rb
+++ b/app/services/subjects/copy_subject_service.rb
@@ -60,7 +60,7 @@ class Subjects::CopySubjectService < ApplicationService
     shixun = stage_shixun.shixun
     to_shixun = Shixun.new
     to_shixun.attributes = shixun.attributes.dup.except('id', 'user_id', 'identifier', 'homepage_show',
-                                                        'use_scope', 'averge_star', 'myshixuns_count', 'challenges_count')
+                                                        'use_scope', 'averge_star', 'myshixuns_count', 'challenges_count', "public")
     to_shixun.identifier = Util::UUID.generate_identifier(Shixun, 8)
     to_shixun.user_id = user.id
     if laboratory