问Parse.com角色库访问不起作用

EN

var Enquiry = Parse.Object.extend("Enquiry");
var enquiry = new Enquiry();
enquiry.set("first", firstName);
enquiry.set("last", lastName);

var enquiryACL = new Parse.ACL();
enquiryACL.setRoleWriteAccess("XXX_User", true);
enquiryACL.setRoleReadAccess("XXX_User", true);
enquiry.setACL(enquiryACL);
enquiry.save();

var Item = Parse.Object.extend("Enquiry");
var query = new Parse.Query(Item);

query.find({
    success : function(items) {
        displayItems(items);
    },
    error : function(error) {
        alert("couldn't display list: " + error.code + " " + error.message);
    }
});