diff --git a/detection/src/main/java/com/njcn/gather/detection/handler/SocketDevResponseService.java b/detection/src/main/java/com/njcn/gather/detection/handler/SocketDevResponseService.java
index 9cfc47a3..07d8d32e 100644
--- a/detection/src/main/java/com/njcn/gather/detection/handler/SocketDevResponseService.java
+++ b/detection/src/main/java/com/njcn/gather/detection/handler/SocketDevResponseService.java
@@ -564,12 +564,12 @@ public class SocketDevResponseService {
             coefficientVO.setCIeData(String.valueOf(optionalIC));
 
             if (XiNumberManager.stepNumber == 0 || XiNumberManager.stepNumber == 1) {
-                Integer aXi = (int) (devParameter.getDevVolt() * startF.getF().getUa_gain() / optionalA);
-                Integer bXi = (int) (devParameter.getDevVolt() * startF.getF().getUb_gain() / optionalB);
-                Integer cXi = (int) (devParameter.getDevVolt() * startF.getF().getUc_gain() / optionalC);
-                Integer aIXi = (int) (devParameter.getDevCurr() * startF.getF().getIa_gain() / optionalIA);
-                Integer bIXi = (int) (devParameter.getDevCurr() * startF.getF().getIb_gain() / optionalIB);
-                Integer cIXi = (int) (devParameter.getDevCurr() * startF.getF().getIc_gain() / optionalIC);
+                Integer aXi = BigDecimal.valueOf(devParameter.getDevVolt() * startF.getF().getUa_gain() / optionalA).setScale(0,RoundingMode.HALF_UP).intValue();
+                Integer bXi = BigDecimal.valueOf(devParameter.getDevVolt() * startF.getF().getUb_gain() / optionalB).setScale(0,RoundingMode.HALF_UP).intValue();
+                Integer cXi = BigDecimal.valueOf(devParameter.getDevVolt() * startF.getF().getUc_gain() / optionalC).setScale(0,RoundingMode.HALF_UP).intValue();
+                Integer aIXi =BigDecimal.valueOf(devParameter.getDevCurr() * startF.getF().getIa_gain() / optionalIA).setScale(0,RoundingMode.HALF_UP).intValue();
+                Integer bIXi =BigDecimal.valueOf(devParameter.getDevCurr() * startF.getF().getIb_gain() / optionalIB).setScale(0,RoundingMode.HALF_UP).intValue();
+                Integer cIXi =BigDecimal.valueOf(devParameter.getDevCurr() * startF.getF().getIc_gain() / optionalIC).setScale(0,RoundingMode.HALF_UP).intValue();
 
                 coefficientVO.setAVuXi(aXi.toString());
                 coefficientVO.setBVuXi(bXi.toString());