order_static add if nil

app/models/pay_config.rb

@@ -7,7 +7,7 @@ class PayConfig < ActiveRecord::Base
   rails_admin do
     navigation_label '系统配置'
     weight -500
-    PAY_ENUM= [["乐福优选","lehu"], ["玖玖好购","fohow"]]
+    PAY_ENUM= [["乐福优选","lehu"], ["玖玖好购","fohow"], ["凤凰欧标","oubiao"]]
 
     #parent WxUser
     list do