增加ID测试

app/models/app_version.rb

@@ -2,7 +2,9 @@
 class AppVersion < ActiveRecord::Base
   has_paper_trail
   self.table_name = "app_versions"
-  validates :app_type,:app_version,:version_code,:id,presence: true
+  validates :app_type,:app_version,:version_code,presence: true
+  validates :id, presence: true, uniqueness: true
+
   VERSION_ENUM= [["安卓","Android"], ["IOS","Ios"]]
 
   rails_admin do