add auto take cash function

app/models/order_detail.rb

@@ -70,8 +70,9 @@ class OrderDetail < ActiveRecord::Base
         end
       end
       field :paid_time do
+        paidtime=bindings[:object].order.paied_at
         formatted_value do
-          (value == 0 || value == nil) ? Time.at(0) : Time.at(value)
+              (paidtime == 0 || paidtime == nil) ? Time.at(0) : Time.at(paidtime)
         end
       end
       field :pay_way, :enum do