Cannot be modified. Being hired means that the meeting passed the examination. At this time, modifying the author's unit will affect the academic level of the paper. Moreover, it is not allowed to change the author and unit after the paper is hired.

EI is called the global core and recognized by every country. It is generally used for evaluation of masters, doctors, associate professors and professors. After the papers published by the author in international conferences or magazines are included in EI, some domestic authorities can issue EI inclusion certificates to the author.