var origionAjax=$.ajax
$.ajax=function(obj){
obj.url=(obj.url).indexOf("?")>-1?(obj.url+"&randomABC="+Math.round(Math.random()*(+new Date()))):(obj.url+"?randomABC="+Math.round(Math.random()*(+new Date())))
origionAjax(obj)
}
var origionAjax=$.ajax
$.ajax=function(obj){
obj.url=(obj.url).indexOf("?")>-1?(obj.url+"&randomABC="+Math.round(Math.random()*(+new Date()))):(obj.url+"?randomABC="+Math.round(Math.random()*(+new Date())))
origionAjax(obj)
}