diff --git a/src/main/java/cn/palmte/work/model/ProjectBudgetCostDetail.java b/src/main/java/cn/palmte/work/model/ProjectBudgetCostDetail.java
index 0997f89..b0e3889 100644
--- a/src/main/java/cn/palmte/work/model/ProjectBudgetCostDetail.java
+++ b/src/main/java/cn/palmte/work/model/ProjectBudgetCostDetail.java
@@ -124,6 +124,6 @@ public class ProjectBudgetCostDetail {
         }
 
         //不含税总金额=含税总金额/（1+税率）
-        return totalTaxInclude.divide(taxRate.divide(new BigDecimal(100), 2, BigDecimal.ROUND_HALF_UP), 2, BigDecimal.ROUND_HALF_UP);
+        return totalTaxInclude.divide(taxRate.divide(new BigDecimal(100), 2, BigDecimal.ROUND_HALF_UP).add(new BigDecimal(1)), 2, BigDecimal.ROUND_HALF_UP);
     }
 }
\ No newline at end of file