diff --git a/anrui-riskcenter/anrui-riskcenter-biz/src/main/java/com/yxt/anrui/riskcenter/biz/loansolutions/LoanSolutionsService.java b/anrui-riskcenter/anrui-riskcenter-biz/src/main/java/com/yxt/anrui/riskcenter/biz/loansolutions/LoanSolutionsService.java
index b4043b8af6..e1195961dc 100644
--- a/anrui-riskcenter/anrui-riskcenter-biz/src/main/java/com/yxt/anrui/riskcenter/biz/loansolutions/LoanSolutionsService.java
+++ b/anrui-riskcenter/anrui-riskcenter-biz/src/main/java/com/yxt/anrui/riskcenter/biz/loansolutions/LoanSolutionsService.java
@@ -1380,7 +1380,7 @@ public class LoanSolutionsService extends MybatisBaseService<LoanSolutionsMapper
             String otherDiscount = query.getOtherDiscount();
             if (StringUtils.isNotBlank(otherDiscount) && !"0".equals(otherDiscount)) {
                 //根据年利率和期数、贷款金额计算旧月还
-                BigDecimal otherPolicyMonthlyRepay = calculatePMT(new BigDecimal(otherPolicyYearRatio).divide(new BigDecimal("100"), 4, BigDecimal.ROUND_CEILING).doubleValue(), new BigDecimal(loanPeriod).doubleValue(), loanAmount.doubleValue());
+                BigDecimal otherPolicyMonthlyRepay = calculatePMT(new BigDecimal(otherPolicyYearRatio).divide(new BigDecimal("100"), 4, BigDecimal.ROUND_CEILING).doubleValue(), new BigDecimal(otherPolicyPeriod).doubleValue(), new BigDecimal(otherPolicyAmount).doubleValue());
                 //根据月还计算旧利息总额=旧月还金额 乘以 期数 减去 本金
                 BigDecimal otherPolicyInterest = otherPolicyMonthlyRepay.multiply(new BigDecimal(otherPolicyPeriod)).subtract(new BigDecimal(otherPolicyAmount));
                 //根据旧利息总额和厂家贴息计算新利息总额