Does the subject want to ask "when did Wuhan University volunteer to fill in the self-improvement plan and when did it receive the admission notice"? 15-30 days. According to the inquiry of official website of Wuhan University, candidates receive the admission notice 15-30 days after filling out the volunteer form of self-improvement plan, and the specific time of receipt is determined according to the efficiency of the courier and mail staff. The full name of Wuhan University's self-improvement plan is "Rural Students' Self-improvement Plan". Enrollment is only for rural students in the implementation area of the special plan of colleges and universities designated by the provinces (autonomous regions and municipalities directly under the Central Government, the same below) where the candidates are located. Candidates must be diligent and studious, have good grades, have good conduct and strive for self-improvement.