Merge pull request '删掉负数处理' (#135) from feature_mps into develop

Reviewed-on: http://101.201.121.115:3000/leo/LAPP_CHEERSSON_BACKEND/pulls/135

services/ap/implments/Balance.service.impl.go

@@ -3097,9 +3097,6 @@ func (impl *BalanceServiceImplement) MpsPlanExport(user *global.User, CustArtSto
 						qty = artDemand.OrderQty
 					}
 					qty = qty + artDemand.IndependentDemandQty - artDemand.OutSourcingQty
-					if qty < 0 {
-						qty = 0
-					}
 					demandQty.Qty += qty
 					productQty.Qty += artDemand.NetDemandQty
 					artDemandData.OutSourcingQty += artDemand.OutSourcingQty