跟单开票记录类比熬夜增加回款差额字段展示

src/views/receivable/documentary/documentaryRecord.vue

@@ -75,6 +75,7 @@
       <el-table-column prop="receivableAmount" label="应收金额" width="120"></el-table-column>
       <el-table-column prop="settlementPaymentReason" label="差额原因" width="120"></el-table-column>
       <el-table-column prop="taxPoint" label="税点" width="120"></el-table-column>
+      <el-table-column prop="settlementPaymentDifference" label="回款差额" width="120"></el-table-column>
       <el-table-column prop="receivableSupervisePremium" label="开票金额" width="120"></el-table-column>
       <el-table-column prop="settlementStatus" label="结算状态" width="120">
       </el-table-column>