调用webapi保存销售出库单,结算方式保存不上,求解?

调用webapi保存销售出库单,单据能保存成功,但是结算方式总是存不上,已验证手工填写结算方式能保存;json如下,请帮忙分析下???
{
"Creator":"ChengYuChao",
"NeedUpDateFields":[
""
],
"Model":{
"FID":0,
"FBillTypeID":{
"FNumber":"XSCKD01_SYS"
},
"FStockOrgId":{
"FNumber":"107"
},
"FSaleOrgId":{
"FNumber":"107"
},
"FSettleOrgID":{
"FNumber":"107"
},
"FDate":"/Date(1471363200000+0800)/",
"FSettleTypeID":{
"FNumber":"JSFS01_SYS"
},
"FExchangeTypeId":{
"FNumber":"HLTX01_SYS"
},
"FLocalCurrId":{
"FNumber":"PRE001"
},
"FCustomerID":{
"FNumber":"CUST0001"
},
"SAL_OUTSTOCK__FEntity":[
{
"FEntryID":0,
"FMaterialId":{
"FNumber":"spb1089"
},
"FUnitId":{
"FNumber":"006"
},
"FStockID":{
"FNumber":"CK001"
},
"FStockStausID":{
"FNumber":"KCZT01_SYS"
},
"FRealQty":2,
"FPrice":15,
"FTaxPrice":15,
"FAmount":30,
"FEntryTaxRate":0,
"FEntryTaxAmount":0,
"FAllAmount":30
}
]
}
}