fix：修改投资表等级

cehua_wcy

2018-08-28 aed5a00d235f5a1f529bd27c6d1e263ed8c3d419

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# ÁìÈ¡³äÖµºÀÀñÐèÇóµÄÔª±¦Êý£¬´ÓµÍµ½¸ßÌîд£¬Ôª±¦ÊýÀÛ¼ÓÔö³¤£¬×²»³¬¹ý31λ 
 
( 
    [500,1000,2000,5000,10000,20000,50000,100000,200000,500000] 
)