BootstrapValidator无法提交表单！

js代码：
$(document).ready(function() {
// Invoke the plugin
    //$('input, textarea').placeholder();
    $('#register')
        .bootstrapValidator({
            message: 'This value is not valid',
            //live: 'submitted',
            submitButtons: 'button[type="submit"]',
     submitHandler: null,
            feedbackIcons: {
                valid: 'glyphicon glyphicon-ok',
                invalid: 'glyphicon glyphicon-remove',
                validating: 'glyphicon glyphicon-refresh'
            },
            fields: {
            name: {
                message: '用户名无效',
                validators: {
                    notEmpty: {
                        message: '用户名不能位空'
                    },
                    stringLength: {
                        min: 6,
                        max: 30,
                        message: '用户名必须大于6，小于30个字'
                    },
                    regexp: {
                        regexp: /^[a-zA-Z0-9_\.]+$/,
                        message: '用户名只能由字母、数字、点和下划线组成'
                    },
                    remote: {
                        url: '#',
                        message: '用户名不可用'
                    },
                    different: {
                        field: 'password',
                        message: '用户名和密码不能相同'
                    }
                }
            },
            email: {
                validators: {
                 notEmpty: {
                        message: '邮箱不能为空'
                    },
                    emailAddress: {
                        message: '输入不是有效的电子邮件地址'
                    }
                }
            },
            password: {
                validators: {
                    notEmpty: {
                        message: '密码不能位空'
                    },
                    stringLength: {
                        min: 6,
                        max: 30,
                        message: '密码必须大于6，小于30个字符且不能与用户名相同'
                    },
                    identical: {
                        field: 'confirmPassword',
                        message: '两次密码不一致'
                    },
                    different: {
                        field: 'name',
                        message: '用户名和密码不能相同'
                    }
                }
            },
            confirmPass: {
                validators: {
                    notEmpty: {
                        message: '密码不能为空'
                    },
                    identical: {
                        field: 'password',
                        message: '两次密码不一致'
                    },
                    different: {
                        field: 'name',
                        message: '用户名和密码不能相同'
                    }
                }
            }
        }
        })
        .on('success.form.bv', function(e) {
alert(e);
            // Prevent submit form
           /*  e.preventDefault();            var $form     = $(e.target),
                validator = $form.data('bootstrapValidator');
                
                
            $('#register').submit(); */
        });
});html:
<form id="register" class="form-signin" action="${ctx}/sys/user/userSave" method="post">
<div class="form-group">
       <label class="input-label" for="user">用户名</label>
       <div class="input-group">
           <span class="input-group-addon"><span class="glyphicon glyphicon-user"></span></span>
           <input type="text" class="form-control input-large" name="name" id="user" placeholder="输入用户名" title="注册用户名长度为6-20个字符">
           <!-- <span class="help-inline"><font color="red">*</font> </span> -->
       </div>
</div><br/>

<div class="form-group">
<label for="email">邮箱</label>
    <div class="input-group">
        <span class="input-group-addon"><span class="glyphicon glyphicon-envelope"></span></span>
        <input type="email" class="form-control required" id="email" name="email" placeholder="输入邮箱账号" title="邮箱正确格式：[email protected]">
    </div>
</div><br/>

<div class="form-group">
         <label for="pass1">密码</label>
         <div class="input-group">
             <span class="input-group-addon"><span class="glyphicon glyphicon-lock"></span></span>
             <input type="password" class="form-control input-large required" name="password" id="password" placeholder="输入密码" title="用户名长度为6-30个字符">
             <!-- <span class="input-group-addon"><span id="seePass1" class="glyphicon glyphicon-eye-close" style="cursor: pointer"></span></span> -->
         </div>
     </div><br/>
     <div class="form-group">
         <label for="pass2">确认密码</label>
         <div class="input-group">
             <span class="input-group-addon"><span class="glyphicon glyphicon-lock"></span></span>
             <input type="password" class="form-control required" id="confirmPass" name="confirmPass" placeholder="重复输入密码" title="输入与上面相同的密码">
             <!-- <span class="input-group-addon"><span id="seePass2" class="glyphicon glyphicon-eye-close" style="cursor: pointer"></span></span> -->
         </div>
     </div><hr/>
     <div class="form-group">
        <button id="reg" class="btn btn-primary btn-lg btn-block" type="submit">注册</button>&nbsp;&nbsp;&nbsp;&nbsp;         <div class="checkbox"> 已有账号？
        <label style="padding-left: 0"><a href="javascript:history.go(-1);" >直接登录»</a></label>
        </div>
     </div>
点击提交后，on里alert没有打印，大神指点下，谢谢！！