As a new evaluation and incentive method, digital micro chapter customization can more comprehensively view learners' ability, reflect the learning process of learners more systematically and adapt to the elastic learning needs of learners in online learning.

The interpretation of the concept of digital Badge

     Micro chapter is a symbol or symbol used to represent the knowledge, skills, achievements, etc. of the owner of the chapter. Micro chapters are divided into many types, and there are entities and virtual ones in the network. Digital micro seal customization can be regarded as virtual form of physical mold seal in network, and it is a digital representation of physical badge. So far, there is no authoritative definition of digital micro chapter customization, which different scholars have different explanations. Kyle peck31 thinks that digital micro chapter customization is a unique digital form, which is easier to save and maintain than the traditional actual micro chapter, and is a new evaluation and authentication method. Rosky Zhou believes that the digital badge is a digital picture, which can represent the information about the knowledge, skills, experience and so on acquired by the holder. Mozilla foundation, the publisher of open badge specification, believes that digital micro chapter customization is for the owner of micro chapter, a visual certification that can reflect the personal information such as the achievements, skills, experience and so on of the owner. The main features are as follows: visual symbols, represented by a visual icon; metadata retrieved; badge carries information such as badge name, content of badge, publishing organization, badge category, achievement level, acquisition time and effective period; portability and convertibility; when the identity of the holder of the micro seal changes, the badge is also brought to a new organization, In addition, multiple low-level micro seals can be exchanged for the micro seals representing higher level capabilities or achievements; the representative of certification content, badges can represent the knowledge, skills, achievements, etc. of the holder; the flexibility of granularity, the granularity of the badge can be coarse and fine, and the learners' learning process can be flexibly concerned.

    As a new evaluation and incentive method, digital badge can effectively stimulate learners' learning, adapt to the elastic learning needs of learners in the network learning environment, and can authenticate and evaluate the achievements and skills acquired by learners in the network environment.