diff --git a/src/main/java/cn/palmte/work/bean/FormerBean.java b/src/main/java/cn/palmte/work/bean/FormerBean.java
index e405c65..694c66b 100644
--- a/src/main/java/cn/palmte/work/bean/FormerBean.java
+++ b/src/main/java/cn/palmte/work/bean/FormerBean.java
@@ -1,6 +1,7 @@
 package cn.palmte.work.bean;
 
 import java.math.BigDecimal;
+import java.math.RoundingMode;
 
 /**
  * @author Yuanping Zhang
@@ -118,7 +119,7 @@ public class FormerBean extends IncomeCostBean{
         if (incomeTotalTaxExclude.compareTo(BigDecimal.ZERO) == 0) {
             return BigDecimal.ZERO;
         }
-        return grossProfit.divide(incomeTotalTaxExclude, 4).multiply(new BigDecimal(100));
+        return grossProfit.divide(incomeTotalTaxExclude, 4, RoundingMode.HALF_UP).multiply(new BigDecimal(100));
     }
 
     public void setGrossProfitProfitMargin(BigDecimal grossProfitProfitMargin) {
@@ -141,7 +142,7 @@ public class FormerBean extends IncomeCostBean{
         if (incomeTotalTaxExclude.compareTo(BigDecimal.ZERO) == 0) {
             return BigDecimal.ZERO;
         }
-        return contributionProfit.divide(incomeTotalTaxExclude, 4).multiply(new BigDecimal(100));
+        return contributionProfit.divide(incomeTotalTaxExclude, 4, RoundingMode.HALF_UP).multiply(new BigDecimal(100));
 
     }
 
@@ -165,7 +166,7 @@ public class FormerBean extends IncomeCostBean{
         if (incomeTotalTaxExclude.compareTo(BigDecimal.ZERO) == 0) {
             return BigDecimal.ZERO;
         }
-        return netProfit.divide(incomeTotalTaxExclude, 4).multiply(new BigDecimal(100));
+        return netProfit.divide(incomeTotalTaxExclude, 4, RoundingMode.HALF_UP).multiply(new BigDecimal(100));
     }
 
     public void setNetProfitProfitMargin(BigDecimal netProfitProfitMargin) {