fix: 置换单实付金额计算

src/views/supply/displace/displace_list.vue

@@ -370,9 +370,9 @@
           <el-table-column align="right" label="实付金额" prop="payAmount" min-width="100" show-overflow-tooltip>
             <template slot-scope="scope">
               {{
-                scope.row.price * scope.row.ke_refundableQty -
+                scope.row.ke_price * scope.row.ke_refundableQty -
                 scope.row.singleRebateAmount * scope.row.ke_refundableQty -
-                scope.row.discAmount
+                scope.row.ke_discAmount
               }}
             </template>
           </el-table-column>