diff --git a/src/main/java/com/eactive/httpmockserver/login/controller/LoginController.java b/src/main/java/com/eactive/httpmockserver/login/controller/LoginController.java
index ce25b5b..6fac2d7 100644
--- a/src/main/java/com/eactive/httpmockserver/login/controller/LoginController.java
+++ b/src/main/java/com/eactive/httpmockserver/login/controller/LoginController.java
@@ -2,13 +2,16 @@ package com.eactive.httpmockserver.login.controller;
 
 import com.eactive.httpmockserver.user.service.UserService;
 import org.apache.commons.lang3.StringUtils;
+import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.ModelMap;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.servlet.ModelAndView;
 
 import javax.servlet.http.HttpServletRequest;
@@ -47,7 +50,7 @@ public class LoginController {
         }
 
         String message = (String) session.getAttribute(LOGIN_MESSAGE);
-        if (StringUtils.isNotEmpty(message)){
+        if (StringUtils.isNotEmpty(message)) {
             model.addAttribute(LOGIN_MESSAGE, message);
         }
         session.setAttribute(LOGIN_MESSAGE, null);
@@ -61,14 +64,10 @@ public class LoginController {
      *
      * @return result - String
      */
-    @GetMapping(value = "/refreshSessionTimeout.do")
-    public ModelAndView refreshSessionTimeout(@RequestParam Map<String, Object> commandMap) {
-        ModelAndView modelAndView = new ModelAndView();
-        modelAndView.setViewName("jsonView");
-
-        modelAndView.addObject("result", "ok");
-
-        return modelAndView;
+    @GetMapping(value = "/refreshSessionTimeout.do", produces = "text/html;charset=utf-8")
+    @ResponseBody
+    public ResponseEntity<String> refreshSessionTimeout(@RequestParam Map<String, Object> commandMap) {
+        return ResponseEntity.ok("success");
     }
 
     @GetMapping("/actionLogout.do")
diff --git a/src/main/resources/templates/page/tester/apiTester.html b/src/main/resources/templates/page/tester/apiTester.html
index 0aaa4d3..f8efeeb 100644
--- a/src/main/resources/templates/page/tester/apiTester.html
+++ b/src/main/resources/templates/page/tester/apiTester.html
@@ -275,7 +275,16 @@
 <th:block layout:fragment="contentScript">
     <script>
         $(function () {
-
+            const timer = setInterval(function () {
+                $.ajax({
+                    url: '/refreshSessionTimeout.do',
+                    type: 'GET',
+                    contentType: 'application/json',
+                    complete: function () {
+                        controller.hideLoadingOverlay();
+                    }
+                });
+            }, 60000);
             let apiRequests = [];
             let collections = [];