bootcss验证插件sco.valid.js

$('#registerForm').scojs_valid({
        rules: {
            account  : ['not_empty',{'min_length': 2},{'max_length': 20}],
            email  : ['not_empty','email'],
            password : ['not_empty', {'min_length': 6}],
            confirmPassword :[{matches: 'password'}],
            code:['not_empty']
        },
        messages: {
            account: {
                not_empty: "请输入注册账号",
                min_length: "账号不少于2个字符",
                max_length: "账号不能超过20个字符"
            },
            email: {
                not_empty: "请输入邮箱",
                email: "请输入正确的邮箱"
            },

            password: {
                not_empty: "请输入登陆密码，区分大小写",
                min_length: "密码太短了，至少要6位哦"
            },
            confirmPassword:{
                matches: "两次输入密码不一致",
            },
            code:{
                not_empty: "请输入验证码",
            }
        },
        wrapper:'.form-group'
            ,onSuccess: function(response, validator, $form) {
                tipsOp(response.data,response.status);
                if(response.url){
                    setTimeout(function(){window.location.href=response.url;},3000);
                }
            }
    });

就是这个验证，
我现在想改成，光标离开的时间只需验证，不知道怎么改！？