diff --git a/tosan-httpclient-spring-boot-resttemplate-starter/src/main/java/com/tosan/client/http/resttemplate/starter/impl/interceptor/HttpLoggingInterceptor.java b/tosan-httpclient-spring-boot-resttemplate-starter/src/main/java/com/tosan/client/http/resttemplate/starter/impl/interceptor/HttpLoggingInterceptor.java
index 9c5636c..fbf09f3 100644
--- a/tosan-httpclient-spring-boot-resttemplate-starter/src/main/java/com/tosan/client/http/resttemplate/starter/impl/interceptor/HttpLoggingInterceptor.java
+++ b/tosan-httpclient-spring-boot-resttemplate-starter/src/main/java/com/tosan/client/http/resttemplate/starter/impl/interceptor/HttpLoggingInterceptor.java
@@ -32,18 +32,21 @@ public ClientHttpResponse intercept(HttpRequest request, byte[] requestBody, Cli
             log.info(httpLoggingInterceptorUtil.getRequestDetailContent(request, requestBody, webServiceName));
         }
         ClientHttpResponse response;
+        long startTime = System.currentTimeMillis();
         try {
             response = ex.execute(request, requestBody);
             if (log.isInfoEnabled()) {
                 HttpResponseWrapper responseWrapper = new HttpResponseWrapper(response);
-                log.info(httpLoggingInterceptorUtil.getResponseDetailContent(responseWrapper, webServiceName));
+                log.info(httpLoggingInterceptorUtil.getResponseDetailContent(responseWrapper, webServiceName,
+                        System.currentTimeMillis() - startTime));
                 return responseWrapper;
             } else {
                 return response;
             }
         } catch (IOException e) {
             if (log.isInfoEnabled()) {
-                log.info(httpLoggingInterceptorUtil.getExceptionDetailContent(e, webServiceName));
+                log.info(httpLoggingInterceptorUtil.getExceptionDetailContent(e, webServiceName,
+                        System.currentTimeMillis() - startTime));
             }
             throw new HttpClientRequestExecuteException(e.getMessage(), e);
         }
diff --git a/tosan-httpclient-spring-boot-resttemplate-starter/src/main/java/com/tosan/client/http/resttemplate/starter/util/HttpLoggingInterceptorUtil.java b/tosan-httpclient-spring-boot-resttemplate-starter/src/main/java/com/tosan/client/http/resttemplate/starter/util/HttpLoggingInterceptorUtil.java
index 9a54471..047422c 100644
--- a/tosan-httpclient-spring-boot-resttemplate-starter/src/main/java/com/tosan/client/http/resttemplate/starter/util/HttpLoggingInterceptorUtil.java
+++ b/tosan-httpclient-spring-boot-resttemplate-starter/src/main/java/com/tosan/client/http/resttemplate/starter/util/HttpLoggingInterceptorUtil.java
@@ -65,9 +65,10 @@ public String getRequestDetailContent(HttpRequest request, byte[] body, String w
         return toJson(requestData);
     }
 
-    public String getResponseDetailContent(ClientHttpResponse response, String webServiceName) throws IOException {
+    public String getResponseDetailContent(ClientHttpResponse response, String webServiceName, long elapsedTime) throws IOException {
         final Map<String, Object> responseData = new LinkedHashMap<>();
         responseData.put("invoked", webServiceName);
+        responseData.put("duration", elapsedTime / 1000.0 + "s");
         responseData.put("status", response.getStatusCode());
         if (!response.getHeaders().isEmpty()) {
             responseData.put("headers", getMaskedHeaders(response.getHeaders()));
@@ -80,9 +81,10 @@ public String getResponseDetailContent(ClientHttpResponse response, String webSe
         return toJson(responseData);
     }
 
-    public String getExceptionDetailContent(Exception exception, String webServiceName) {
+    public String getExceptionDetailContent(Exception exception, String webServiceName, long elapsedTime) {
         final Map<String, Object> exceptionData = new LinkedHashMap<>();
         exceptionData.put("invoked", webServiceName);
+        exceptionData.put("duration", elapsedTime / 1000.0 + "s");
         exceptionData.put("exception", exception.getClass().getSimpleName());
         exceptionData.put("message", exception.getMessage());
         return toJson(exceptionData);