Help posts should be true for help. For help-seeking posts, you can get the help-seeking index by choosing help when you answer, and the good helper who answers will be rewarded with certain gold coins. There will be a ranking every day, and the top 10 will be rewarded with gold coins. The obtained help index will also be recorded. Different help indexes have different grades as indexes to help others.

Kindergarten 0 pupils 10 junior high school students 50 senior high school students 100 college students 200 masters, 350 doctors, 500 postdoctoral lecturers 1200 associate professors 3000 professors 8000 academicians 20000.