project package creator should cannot bidding

app/models/project_package.rb

@@ -85,7 +85,7 @@ class ProjectPackage < ActiveRecord::Base
   end
 
   def can_bidding?(user)
-    published? && !bidding_end? && !bidding_users.exists?(user_id: user.id)
+    published? && !bidding_end? && user.id != creator_id && !bidding_users.exists?(user_id: user.id)
   end
 
   def increment_visit_count!