archive module: fix old data caused error

2013-06-06 23:10:42 +08:00 · 2013-06-06 23:10:42 +08:00 · a468b69013
parent 5b7ac1a22b
commit a468b69013
1 changed files with 1 additions and 1 deletions
--- a/app/models/mongoid/sortable.rb
+++ b/app/models/mongoid/sortable.rb
@ -23,7 +23,7 @@ module Mongoid
    def set_sort_number
      if self.new? && self.sort_number.nil?
        last_record = self.class.desc(:sort_number).first
-        if last_record
+        if last_record.sort_number
          self.sort_number = (last_record.sort_number + 10) / 10 * 10
        else
          self.sort_number = 10