付款单webapi 保存接口，部分字段无法写入

付款单webapi 保存接口，传入的 收款银行、省、市、地区，无法写入。
注：已连接银企平台，传入的数据也是正确的。

json串：
{
"Creator": "",
"NeedUpDateFields": [],
"NeedReturnFields": [],
"IsDeleteEntry": "True",
"SubSystemId": "",
"Model": {
"FID": "0",
"FBillTypeID": {
"FNumber": "FKDLX02_SYS"
},
"FBillNo": "",
"FDATE": "2017-06-30 00: 00: 00",
"FCONTACTUNITTYPE": "BD_Customer",
"FCONTACTUNIT": {
"FNumber": "C000002"
},
"FRECTUNITTYPE": "BD_Customer",
"FRECTUNIT": {
"FNumber": "C000002"
},
"FDepartment": {
"FNumber": ""
},
"FISINIT": false,
"FCURRENCYID": {
"FNumber": "PRE001"
},
"FEXCHANGERATE": 1,
"FSETTLERATE": 1,
"FSETTLEORGID": {
"FNumber": "100"
},
"FPURCHASEORGID": {
"FNumber": "100"
},
"FPURCHASEDEPTID": {
"FNumber": ""
},
"FPURCHASERGROUPID": {
"FNumber": ""
},
"FPURCHASERID": {
"FNumber": ""
},
"FDOCUMENTSTATUS": "Z",
"FCancelStatus": "A",
"FPAYORGID": {
"FNumber": "100"
},
"FISSAMEORG": true,
"FIsCredit": false,
"FSETTLECUR": {
"FNumber": "PRE001"
},
"FIsWriteOff": false,
"FMatchMethodID": 0,
"F_M_BILLNO": "",
"FPAYBILLENTRY": [
{
"FEntryID": null,
"FSETTLETYPEID": {
"FNumber": "JSFS04_SYS"
},
"FPURPOSEID": {
"FNumber": "SFKYT10_SYS"
},
"FPAYITEMTYPE": "",
"FPAYITEM": null,
"FPAYTOTALAMOUNTFOR": 0.1,
"FPAYAMOUNTFOR_E": 0.1,
"FSETTLEDISTAMOUNTFOR": 0.1,
"FSETTLEPAYAMOUNTFOR": 0.1,
"FHANDLINGCHARGEFOR": 0.1,
"FREALPAYAMOUNTFOR_D": 0.1,
"FACCOUNTID": {
"FNumber": "591902896910101"
},
"FINNERACCOUNTID": {
"FNumber": ""
},
"FOPPOSITEBANKACCOUNT": "6225885910000108",
"FOPPOSITECCOUNTNAME": "JudyZeng",
"FOPPOSITEBANKNAME": "招商银行股份有限公司福州分行营业部",
"FCashAccount": {
"FNumber": ""
},
"FSETTLENO": null,
"FCOMMENT": null,
"FPURCHASEORDERID": 0,
"FOpenAddressRec": "福州市鼓屏路60号粮食大厦一楼",
"FProvince": {
"FNumber": "17"
},
"FCity": {
"FNumber": "68"
},
"FCNAPS": "308391026028",
"FDistrict": {
"FNumber": "3910"
},
"FBankTypeRec": {
"FNumber": "308"
},
"FCOSTID": {
"FNumber": ""
},
"FPAYAMOUNT_E": 0,
"FPOSTDATE": "2017-06-3000: 00: 00",
"FMATERIALID": {
"FNumber": ""
},
"FPURCHASEORDERNO": null,
"FMATERIALSEQ": 0,
"FORDERENTRYID": 0,
"FRuZhangType": "0"
}
]
}
}

返回：
{"Result":{"ResponseStatus":{"IsSuccess":true,"Errors":[],"SuccessEntitys":[{"Id":100043,"Number":"FKD00000026","DIndex":0}],"SuccessMessages":[]},"Id":100043,"Number":"FKD00000026","NeedReturnData":[{}]}}