diff --git a/pqs-harmonic/harmonic-boot/src/main/java/com/njcn/harmonic/service/majornetwork/impl/RStatHarmonicMServiceImpl.java b/pqs-harmonic/harmonic-boot/src/main/java/com/njcn/harmonic/service/majornetwork/impl/RStatHarmonicMServiceImpl.java
index 330a30cf5..0732e99f9 100644
--- a/pqs-harmonic/harmonic-boot/src/main/java/com/njcn/harmonic/service/majornetwork/impl/RStatHarmonicMServiceImpl.java
+++ b/pqs-harmonic/harmonic-boot/src/main/java/com/njcn/harmonic/service/majornetwork/impl/RStatHarmonicMServiceImpl.java
@@ -228,7 +228,11 @@ public class RStatHarmonicMServiceImpl extends ServiceImpl<RStatHarmonicMMapper,
 //                    Float averageOverDay = Float.parseFloat(
 //                            df.format(value.getOverDay() / (value.getOverLimitMeasurementAccrued() * 1.0)));
                     Float averageOverDay = (float)value.getOverDay()/value.getOverLimitMeasurementAccrued();
-                    rIconVO.setAverageOverDay(Float.parseFloat(String.format("%.2f", averageOverDay)));
+                    if(Double.isNaN(averageOverDay)){
+                        rIconVO.setAverageOverDay(0.0F);
+                    }else{
+                        rIconVO.setAverageOverDay(Float.parseFloat(String.format("%.2f", averageOverDay)));
+                    }
                     arrayVOList.add(rIconVO);
                 }
             });