diff --git a/zc-business/src/main/java/com/zc/business/domain/OnlineSum.java b/zc-business/src/main/java/com/zc/business/domain/OnlineSum.java
index 93a030d1..2146b6f2 100644
--- a/zc-business/src/main/java/com/zc/business/domain/OnlineSum.java
+++ b/zc-business/src/main/java/com/zc/business/domain/OnlineSum.java
@@ -3,6 +3,8 @@ package com.zc.business.domain;
 import com.fasterxml.jackson.annotation.JsonFormat;
 import org.springframework.format.annotation.DateTimeFormat;
 
+import java.math.BigDecimal;
+import java.math.RoundingMode;
 import java.util.Date;
 
 public class OnlineSum implements java.io.Serializable {
@@ -169,7 +171,9 @@ public class OnlineSum implements java.io.Serializable {
         this.receiveCount += onlineLog.getReceiveCount();
         this.lossCount += onlineLog.getLossCount();
         this.lossRate = String.format("%.2f%%", (this.sendCount==0?0:(double)this.lossCount/this.sendCount)*100);
-        this.rttAvg = this.sendCount==0?0:rtt/this.sendCount;
+        BigDecimal bd = new BigDecimal(Double.toString(this.sendCount==0?0:rtt/this.sendCount));
+        bd = bd.setScale(2, RoundingMode.HALF_UP);
+        this.rttAvg =bd.doubleValue();
         if(this.rttAvg > 0 && this.rttAvg <= 30){
             this.networkQuality = OnlineLog.NetworkQuality.GOOD.getValue();
         }else if(this.rttAvg >30 && this.rttAvg <= 100){