会员等级	折前所需金额
1	10
2	50
3	100
4	200
5	500
6	1000
7	2000
8	4000
9	7000
10	10000
11	15000
12	20000
13	30000
14	50000
15	100000
16	200000
17	300000
18	400000
19	700000
20	1000000