diff --git a/server/product/internal/logic/getpricebypidlogic.go b/server/product/internal/logic/getpricebypidlogic.go
index 7b02d9bd..e8224153 100644
--- a/server/product/internal/logic/getpricebypidlogic.go
+++ b/server/product/internal/logic/getpricebypidlogic.go
@@ -115,7 +115,7 @@ func (l *GetPriceByPidLogic) dealWithStepRange(stepNumSlice, stepPriceSlice []in
 			rangeNum.End = nextNum - 1
 		} else { //最后一个
 			rangeNum.Begin = num
-			rangeNum.End = 99999999999
+			rangeNum.End = -1
 		}
 		stepListRsp = append(stepListRsp, types.StepPrice{
 			RangeNum: rangeNum,