diff --git a/src/main/java/io/github/tttol/mrls/controller/MrListController.java b/src/main/java/io/github/tttol/mrls/controller/MrListController.java
index 3964b6a..bdb639e 100644
--- a/src/main/java/io/github/tttol/mrls/controller/MrListController.java
+++ b/src/main/java/io/github/tttol/mrls/controller/MrListController.java
@@ -1,18 +1,19 @@
 package io.github.tttol.mrls.controller;
 
-import io.github.tttol.mrls.service.MergeRequestService;
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
+import java.time.OffsetDateTime;
+
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 
+import io.github.tttol.mrls.service.MergeRequestService;
+import lombok.RequiredArgsConstructor;
+
 @Controller
 @RequestMapping("/list")
 @RequiredArgsConstructor
-@Slf4j
 public class MrListController {
 
     private final MergeRequestService mergeRequestService;
@@ -20,6 +21,8 @@ public class MrListController {
     @GetMapping("/pat") // Project Access Toekn
     public String pat(final Model model) {
         model.addAttribute("mrInfoFormList", mergeRequestService.get(StringUtils.EMPTY));
+        model.addAttribute("oneWeekAgo", OffsetDateTime.now().minusDays(7));
+        model.addAttribute("twoWeeksAgo", OffsetDateTime.now().minusDays(14));
         return "list";
     }
 
diff --git a/src/main/resources/static/css/list.css b/src/main/resources/static/css/list.css
index 2e0e830..e8fcb12 100644
--- a/src/main/resources/static/css/list.css
+++ b/src/main/resources/static/css/list.css
@@ -123,6 +123,16 @@ table {
     padding-right: 10px;
 }
 
+.warning {
+    color: yellow;
+    font-weight: bold;
+}
+
+.severe {
+    color: orangered;
+    font-weight: bold;
+}
+
 .authorBox {
     margin-right: 10px;
 }
diff --git a/src/main/resources/templates/list.html b/src/main/resources/templates/list.html
index f633d0b..66a1fa2 100644
--- a/src/main/resources/templates/list.html
+++ b/src/main/resources/templates/list.html
@@ -65,9 +65,8 @@
                                                 <span th:text="${detailForm.upvotes}">1</span>
                                             </div>
                                         </div>
-                                        <span class="at">
-                                            created at:[[${#temporals.format(detailForm.createdAt, 'yyyy/MM/dd
-                                            HH:mm:ss')}]]
+                                        <span class="at" th:classappend="|${detailForm.createdAt.isBefore(oneWeekAgo) ? 'warning' : ''} ${detailForm.createdAt.isBefore(twoWeeksAgo) ? 'severe' : ''}|">
+                                            created at:[[${#temporals.format(detailForm.createdAt, 'yyyy/MM/dd HH:mm:ss')}]]
                                         </span>
                                         <span class="at">
                                             updated at:[[${#temporals.format(detailForm.updatedAt, 'yyyy/MM/dd