diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/indicator/expression/LessEqualMatch.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/indicator/expression/LessEqualMatch.java
index 75b68d3c5..a07260d46 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/indicator/expression/LessEqualMatch.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/indicator/expression/LessEqualMatch.java
@@ -24,18 +24,18 @@ package org.apache.skywalking.oap.server.core.analysis.indicator.expression;
 public class LessEqualMatch {
 
     public boolean match(Integer left, Integer right) {
-        return left < right;
+        return left <= right;
     }
 
     public boolean match(Long left, Long right) {
-        return left < right;
+        return left <= right;
     }
 
     public boolean match(Float left, Float right) {
-        return left < right;
+        return left <= right;
     }
 
     public boolean match(Double left, Double right) {
-        return left < right;
+        return left <= right;
     }
 }
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/indicator/expression/LessMatch.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/indicator/expression/LessMatch.java
index 7cf5fd75d..3d78ca17e 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/indicator/expression/LessMatch.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/indicator/expression/LessMatch.java
@@ -24,18 +24,18 @@ package org.apache.skywalking.oap.server.core.analysis.indicator.expression;
 public class LessMatch {
 
     public boolean match(Integer left, Integer right) {
-        return left <= right;
+        return left < right;
     }
 
     public boolean match(Long left, Long right) {
-        return left <= right;
+        return left < right;
     }
 
     public boolean match(Float left, Float right) {
-        return left <= right;
+        return left < right;
     }
 
     public boolean match(Double left, Double right) {
-        return left <= right;
+        return left < right;
     }
 }