diff --git a/apm-collector/apm-collector-storage/collector-storage-define/src/main/java/org/apache/skywalking/apm/collector/storage/ui/application/ApplicationNode.java b/apm-collector/apm-collector-storage/collector-storage-define/src/main/java/org/apache/skywalking/apm/collector/storage/ui/application/ApplicationNode.java
index 37374ed43..8e2170f2a 100644
--- a/apm-collector/apm-collector-storage/collector-storage-define/src/main/java/org/apache/skywalking/apm/collector/storage/ui/application/ApplicationNode.java
+++ b/apm-collector/apm-collector-storage/collector-storage-define/src/main/java/org/apache/skywalking/apm/collector/storage/ui/application/ApplicationNode.java
@@ -27,7 +27,7 @@ public class ApplicationNode extends Node {
 
     private int sla;
     private long callsPerSec;
-    private long responseTimePerSec;
+    private long avgResponseTime;
     private int apdex;
     private boolean isAlarm;
     private int numOfServer;
@@ -50,12 +50,12 @@ public class ApplicationNode extends Node {
         this.callsPerSec = callsPerSec;
     }
 
-    public long getResponseTimePerSec() {
-        return responseTimePerSec;
+    public long getAvgResponseTime() {
+        return avgResponseTime;
     }
 
-    public void setResponseTimePerSec(long responseTimePerSec) {
-        this.responseTimePerSec = responseTimePerSec;
+    public void setAvgResponseTime(long avgResponseTime) {
+        this.avgResponseTime = avgResponseTime;
     }
 
     public int getApdex() {
diff --git a/apm-collector/apm-collector-storage/collector-storage-define/src/main/java/org/apache/skywalking/apm/collector/storage/ui/common/Call.java b/apm-collector/apm-collector-storage/collector-storage-define/src/main/java/org/apache/skywalking/apm/collector/storage/ui/common/Call.java
index 70956ef73..fec6dd7ed 100644
--- a/apm-collector/apm-collector-storage/collector-storage-define/src/main/java/org/apache/skywalking/apm/collector/storage/ui/common/Call.java
+++ b/apm-collector/apm-collector-storage/collector-storage-define/src/main/java/org/apache/skywalking/apm/collector/storage/ui/common/Call.java
@@ -28,10 +28,8 @@ public class Call {
     private String targetName;
     private boolean isAlert;
     private String callType;
-    private long calls;
     private long callsPerSec;
-    private long responseTimes;
-    private long responseTimePerSec;
+    private long avgResponseTime;
 
     public int getSource() {
         return source;
@@ -81,14 +79,6 @@ public class Call {
         this.callType = callType;
     }
 
-    public long getCalls() {
-        return calls;
-    }
-
-    public void setCalls(long calls) {
-        this.calls = calls;
-    }
-
     public long getCallsPerSec() {
         return callsPerSec;
     }
@@ -97,19 +87,11 @@ public class Call {
         this.callsPerSec = callsPerSec;
     }
 
-    public long getResponseTimes() {
-        return responseTimes;
+    public long getAvgResponseTime() {
+        return avgResponseTime;
     }
 
-    public void setResponseTimes(long responseTimes) {
-        this.responseTimes = responseTimes;
-    }
-
-    public long getResponseTimePerSec() {
-        return responseTimePerSec;
-    }
-
-    public void setResponseTimePerSec(long responseTimePerSec) {
-        this.responseTimePerSec = responseTimePerSec;
+    public void setAvgResponseTime(long avgResponseTime) {
+        this.avgResponseTime = avgResponseTime;
     }
 }
diff --git a/apm-collector/apm-collector-storage/collector-storage-es-provider/src/main/java/org/apache/skywalking/apm/collector/storage/es/dao/ui/ServiceReferenceEsMetricUIDAO.java b/apm-collector/apm-collector-storage/collector-storage-es-provider/src/main/java/org/apache/skywalking/apm/collector/storage/es/dao/ui/ServiceReferenceEsMetricUIDAO.java
index 879952282..73da95432 100644
--- a/apm-collector/apm-collector-storage/collector-storage-es-provider/src/main/java/org/apache/skywalking/apm/collector/storage/es/dao/ui/ServiceReferenceEsMetricUIDAO.java
+++ b/apm-collector/apm-collector-storage/collector-storage-es-provider/src/main/java/org/apache/skywalking/apm/collector/storage/es/dao/ui/ServiceReferenceEsMetricUIDAO.java
@@ -177,8 +177,8 @@ public class ServiceReferenceEsMetricUIDAO extends EsDAO implements IServiceRefe
             Call call = new Call();
             call.setSource(frontServiceId);
             call.setTarget(behindServiceId);
-            call.setCalls((int)callsSum.getValue());
-            call.setResponseTimes((int)responseTimes.getValue());
+//            call.setCalls((int)callsSum.getValue());
+//            call.setResponseTimes((int)responseTimes.getValue());
             calls.add(call);
         });
     }
@@ -192,8 +192,8 @@ public class ServiceReferenceEsMetricUIDAO extends EsDAO implements IServiceRefe
             Call call = new Call();
             call.setTarget(behindServiceId);
             call.setSource(frontServiceId);
-            call.setCalls((int)callsSum.getValue());
-            call.setResponseTimes((int)responseTimes.getValue());
+//            call.setCalls((int)callsSum.getValue());
+//            call.setResponseTimes((int)responseTimes.getValue());
             calls.add(call);
         });
     }
diff --git a/apm-collector/apm-collector-ui/collector-ui-jetty-provider/src/main/java/org/apache/skywalking/apm/collector/ui/service/ApplicationTopologyService.java b/apm-collector/apm-collector-ui/collector-ui-jetty-provider/src/main/java/org/apache/skywalking/apm/collector/ui/service/ApplicationTopologyService.java
index 95171471d..884f0d8da 100644
--- a/apm-collector/apm-collector-ui/collector-ui-jetty-provider/src/main/java/org/apache/skywalking/apm/collector/ui/service/ApplicationTopologyService.java
+++ b/apm-collector/apm-collector-ui/collector-ui-jetty-provider/src/main/java/org/apache/skywalking/apm/collector/ui/service/ApplicationTopologyService.java
@@ -117,7 +117,7 @@ public class ApplicationTopologyService {
 //            long calls = call.getCalls();
 //            long responseTimes = call.getResponseTimes();
 //            call.setCallsPerSec(calls / secondsBetween);
-//            call.setResponseTimePerSec(responseTimes / secondsBetween);
+//            call.setAvgResponseTime(responseTimes / secondsBetween);
 //        });
         return null;
     }
diff --git a/apm-collector/apm-collector-ui/collector-ui-jetty-provider/src/main/java/org/apache/skywalking/apm/collector/ui/service/TopologyBuilder.java b/apm-collector/apm-collector-ui/collector-ui-jetty-provider/src/main/java/org/apache/skywalking/apm/collector/ui/service/TopologyBuilder.java
index 2ac8e3d72..756e9e434 100644
--- a/apm-collector/apm-collector-ui/collector-ui-jetty-provider/src/main/java/org/apache/skywalking/apm/collector/ui/service/TopologyBuilder.java
+++ b/apm-collector/apm-collector-ui/collector-ui-jetty-provider/src/main/java/org/apache/skywalking/apm/collector/ui/service/TopologyBuilder.java
@@ -62,8 +62,8 @@ class TopologyBuilder {
         calleeReferenceMetric = calleeReferenceMetricFilter(calleeReferenceMetric);
 
         List<Node> nodes = new LinkedList<>();
-        applicationMetrics.forEach(node -> {
-            int id = node.getId();
+        applicationMetrics.forEach(applicationMetric -> {
+            int id = applicationMetric.getId();
             Application application = applicationCacheService.getApplicationById(id);
             ApplicationNode applicationNode = new ApplicationNode();
             applicationNode.setId(id);
@@ -72,7 +72,7 @@ class TopologyBuilder {
 
             applicationNode.setSla(10);
             applicationNode.setCallsPerSec(100L);
-            applicationNode.setResponseTimePerSec(100L);
+            applicationNode.setAvgResponseTime((applicationMetric.getDurations() - applicationMetric.getErrorDurations()) / (applicationMetric.getCalls() - applicationMetric.getErrorCalls()));
             applicationNode.setApdex(10);
             applicationNode.setAlarm(false);
             applicationNode.setNumOfServer(1);
@@ -104,7 +104,7 @@ class TopologyBuilder {
             call.setAlert(true);
             call.setCallType(components.get(referenceMetric.getTarget()));
             call.setCallsPerSec(1);
-            call.setResponseTimePerSec(1);
+            call.setAvgResponseTime((referenceMetric.getDurations() - referenceMetric.getErrorDurations()) / (referenceMetric.getCalls() - referenceMetric.getErrorCalls()));
             calls.add(call);
         });
 
@@ -141,7 +141,7 @@ class TopologyBuilder {
                 call.setCallType(components.get(referenceMetric.getTarget()));
             }
             call.setCallsPerSec(1);
-            call.setResponseTimePerSec(1);
+            call.setAvgResponseTime((referenceMetric.getDurations() - referenceMetric.getErrorDurations()) / (referenceMetric.getCalls() - referenceMetric.getErrorCalls()));
             calls.add(call);
         });
 
diff --git a/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/application-layer.graphqls b/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/application-layer.graphqls
index e527d6e4e..7f21b7055 100644
--- a/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/application-layer.graphqls
+++ b/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/application-layer.graphqls
@@ -10,7 +10,7 @@ type ApplicationNode implements Node {
     # The number of incoming calls
     callsPerSec: Long!
     # Unit: millisecond
-    responseTimePerSec: Long!
+    avgResponseTime: Long!
     # ref: http://www.apdex.org/
     # Max value is 100
     # 2 Digits after floating point in UI, need to division by 100. 100 -> 1.00
diff --git a/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/common.graphqls b/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/common.graphqls
index 21d9becd1..0ea2d930a 100644
--- a/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/common.graphqls
+++ b/apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql/common.graphqls
@@ -106,5 +106,5 @@ type Call {
     callType: String!
     callsPerSec: Long!
     # Unit: millisecond
-    responseTimePerSec: Long!
+    avgResponseTime: Long!
 }