Site data display exception for cached object operation

The site is based on the user's points to determine whether you can redeem coupons, because the coupon list information is common, so in the query coupon information when using the cache, and then return a list of coupons, because you do not want to judge the number of points in the page to meet the coupon redemption to control the color of the redemption button, So just add a convertible property to the coupon object, which is convertible by default, gets to the coupon list, and then sets the attribute based on the number of loyalty points in the session, since the current Coupon list object is the object in the cache, and the cached data is modified. Cause any user to access the time will be to modify the data bug, fix the scheme, the cached object cloned and then to modify.

Site data display exception for cached object operation