fix

AutoTurnOver.Services/AmazonDataSynchroService.cs

@@ -655,7 +655,7 @@ namespace AutoTurnOver.Services
                     // 计算实际放款
                     var realityTransfer = netIncome.ToJson().ToObj<dc_base_amazon_fee>();
                     var yuliu = Math.Max(0M, feeDatas.FirstOrDefault(s => s.type_cn == "预留金额")?.total ?? 0);
-                    realityTransfer.total = netIncome.total - yuliu;
+                    realityTransfer.total = Math.Max(0,netIncome.total - yuliu);
                     realityTransfer.type = "Transfer";
                     realityTransfer.type_cn = "放款";
                     realityTransfer.description = $"结算表 {settlementDbData.settlement_id} ， 净收入{netIncome.total} - 预留金额（负数取0）{yuliu}";