The cumulative extension period of short-term loans (loans with a loan term of 1 year (inclusive)) shall not exceed the original loan term; Medium-term loans (the loan term is greater than 1 year (excluding 1 year) and less than 5 years (including 5 years), the extension period shall not exceed half of the original loan term; Long-term loans (loans with a loan term of more than 5 years (excluding 5 years)) shall not be extended for more than 3 years.