$wrap.find('input[name=n_pyzm]').rules('remove');

 

$wrap.find('input[name=n_pyzm]').rules('add', {
    required:true,
    digits:true,
    minlength:6,
    maxlength:6
});

 

 

$('input[name="HotSearch[name]_' + i + '"]').rules('add', {
    required: true,
    isChar16: true,
    messages: {
        required: '必填，不可为空',
        isChar16: '不得出现特殊字符字数最多8个字符'
    }
});