function dr_update_cache_all() {    
var index = layer.load(2, {    
shade: [0.3,'#fff'], //0.1透明度的白色背景    
time: 10000    
});    
$.ajax({type: "GET",dataType:"json", url: admin_file+"?c=api&m=cache_update",    
success: function(json) {    
layer.close(index);    
dr_tips(1, "全站缓存更新完成");    
},    
error: function(HttpRequest, ajaxOptions, thrownError) {    
layer.closeAll('loading');    
dr_tips(0, "更新失败，请检查错误日志");    
}    
});    
}