"One year. Graduate students who cannot graduate after the completion of their studies need to go through extension procedures. The longest extension for full-time master students shall not exceed 1 year, and the longest extension for doctoral students and part-time master students shall not exceed 2 years. Those who fail to complete their studies within the maximum study period stipulated by the school shall complete their studies in the form of graduation or withdrawal. The time of suspension from school and going abroad is included in the study period. If you can't graduate after reaching the school year, you need to go through the extension procedures. "