diff --git a/src/main/java/com/zdjizhi/etl/DosDetection.java b/src/main/java/com/zdjizhi/etl/DosDetection.java
index 74c4bdf..c8d68d1 100644
--- a/src/main/java/com/zdjizhi/etl/DosDetection.java
+++ b/src/main/java/com/zdjizhi/etl/DosDetection.java
@@ -131,9 +131,22 @@ public class DosDetection extends BroadcastProcessFunction<DosSketchLog,Map<Stri
         long diffPkt = value.getSketch_packets() - pktBase;
         long diffByte = value.getSketch_bytes() - bitBase;
 
-        Double diffSessionPercent = getDiffPercent(diffSession, sessionBase)*100;
-        Double diffPktPercent = getDiffPercent(diffPkt, pktBase)*100;
-        Double diffBitPercent = getDiffPercent(diffByte, bitBase)*100;
+//        Double diffSessionPercent = getDiffPercent(diffSession, sessionBase)*100;
+//        Double diffPktPercent = getDiffPercent(diffPkt, pktBase)*100;
+//        Double diffBitPercent = getDiffPercent(diffByte, bitBase)*100;
+
+        double diffSessionPercent=0.0;
+        double diffPktPercent=0.0;
+        double diffBitPercent=0.0;
+        if (sessionBase != 0 && sessionBase > 0){
+            diffSessionPercent = getDiffPercent(diffSession, sessionBase)*100;
+        }
+        else if (pktBase != 0 && pktBase > 0){
+            diffPktPercent = getDiffPercent(diffPkt, pktBase)*100;
+        }
+        else if (bitBase != 0 && bitBase > 0){
+            diffBitPercent = getDiffPercent(diffByte, bitBase)*100;
+        }
 
         long profileId = 0;
         DosEventLog result =null;
@@ -148,22 +161,6 @@ public class DosDetection extends BroadcastProcessFunction<DosSketchLog,Map<Stri
             profileId = threshold.getProfileId();
             result = getDosEventLog(value, bitBase, diffByte, profileId, STATIC_CONDITION_TYPE, BITS_TAG);
         }
-
-        /*
-        ArrayList<DosEventLog> dosEventLogs = new ArrayList<>();
-        if (result != null){
-            dosEventLogs.add(result);
-            Integer[] superiorIds = threshold.getSuperiorIds();
-            if (superiorIds != null && superiorIds.length > 0){
-                for (Integer integer:superiorIds){
-                    DosEventLog clone = (DosEventLog) result.clone();
-                    clone.setVsys_id(integer);
-                    clone.setLog_id(SnowflakeId.generateId());
-                    dosEventLogs.add(clone);
-                }
-            }
-        }
-        */
         return result;
     }
 
@@ -316,7 +313,13 @@ public class DosDetection extends BroadcastProcessFunction<DosSketchLog,Map<Stri
     }
 
     private Double getDiffPercent(long diff, long base) {
-        return BigDecimal.valueOf((float) diff / base).setScale(4, BigDecimal.ROUND_HALF_UP).doubleValue();
+        try {
+            return BigDecimal.valueOf((float) diff / base).setScale(4, BigDecimal.ROUND_HALF_UP).doubleValue();
+        }catch (Exception e){
+            logger.info("当前阈值为0,进行下一阈值条件判断",e);
+            return 0.0;
+        }
+
     }
 
     private Severity judgeSeverity(double diffPercent) {