取消预约的BUG修改

@@ -231,7 +231,7 @@
                 var yuTime=new Date(yu_day+' '+yu_times).getTime();
                 var yuTime=new Date(yu_day+' '+yu_times).getTime();
                 var two_hour = 12*3600*1000;
                 var two_hour = 12*3600*1000;
                 var date=new Date().getTime();
                 var date=new Date().getTime();
-                if(yuTime-date>=two_hour){
+                if(yuTime-date<=two_hour){
                     tankuang();
                     tankuang();
                     $('.btn_qr').click(function(){
                     $('.btn_qr').click(function(){
                         $("html").css("overflow","auto");
                         $("html").css("overflow","auto");