增加商品搜索关键字

app/models/order.rb

@@ -6,6 +6,7 @@ class Order < ActiveRecord::Base
     self.table_name = 'orders'
     validates_presence_of :wx_user_id,:total_price
     validates :order_id, presence: true, uniqueness: true
+    serialize :pick_way, Array
 
     #belongs_to :user, :foreign_key => :user_id
     #belongs_to :wx_user
@@ -201,6 +202,7 @@ class Order < ActiveRecord::Base
                 enum do
                     PICK_WAY_ENUM
                 end
+                { :multiple => true }
             end
             #field :order_id
             field :order_type, :enum do