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 4e01a0816..92029afe2 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
@@ -127,9 +127,13 @@ public class RStatHarmonicMServiceImpl extends ServiceImpl<RStatHarmonicMMapper,
                         r.setHarmonicName(data1.getName());
                         r.setSort(data1.getSort());
                         DecimalFormat df = new DecimalFormat("###.00");
-                        Float averageOverDay = Float.parseFloat(
-                                df.format(r.getOverDay() / (r.getOverLimitMeasurementAccrued() * 1.0)));
-                        r.setAverageOverDay(averageOverDay);
+                        if(r.getOverLimitMeasurementAccrued() != 0) {
+                            Double aa = r.getOverDay() / (r.getOverLimitMeasurementAccrued() * 1.0);
+                            Float averageOverDay = Float.parseFloat(df.format(aa));
+                            r.setAverageOverDay(averageOverDay);
+                        }else {
+                            r.setAverageOverDay(0f);
+                        }
                         b.add(r);
                     }