fix：修改投资表等级

cehua_wcy

2018-08-28 aed5a00d235f5a1f529bd27c6d1e263ed8c3d419

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# ÀÏ»¢»ú³é½±»ý·Ö 
# ¸ñʽ: {³é½±´ÎÊý:»ñµÃ»ý·Ö,...} 
 
( 
{ 
1:10, 
10:100, 
50:500, 
} 
)