diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index c60a9959..ecc5ce46 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -850,7 +850,7 @@ class ShixunsController < ApplicationController
       begin
         raise "请先绑定邮箱"  if User.current.mail.blank?
         new_shixun = Shixun.new
-        new_shixun.attributes = @shixun.attributes.dup.except("id","user_id","visits","gpid","status", "identifier", "homepage_show","git_url")
+        new_shixun.attributes = @shixun.attributes.dup.except("id","user_id","visits","gpid","status", "identifier", "homepage_show","git_url", "propaedeutics")
         new_shixun.user_id = User.current.id
         new_shixun.identifier = generate_identifier
         new_shixun.status = 0