Please do not forward additional documents unless requested.
If additional documents are required, you will be provided an address to forward required documents. Please inform the visa office of any changes in your application (e.g. birth or adoption of a child, marriage or common-law relationship, new occupation or employer, submission of an Arranged Employment Opinion approved by Human Resources and Skills Development Canada, change of address, change of e-mail address, change of immigration representative, etc). Please include a letter identifying what the changes are and any relevant supporting documents. If your documents are not in English or French, send a notarized (certified) translation with a copy of the originals.
移民局的邮件中有这么一段,我的理解是,如果需要补料,移民局会给一个地址,让寄材料。除此之外不要主动给他们发材料了(即使你觉得有些信息变更了,要告诉他们)。