diff --git a/src/components/Header.vue b/src/components/Header.vue
index a38445a..aa14a46 100644
--- a/src/components/Header.vue
+++ b/src/components/Header.vue
@@ -6,7 +6,11 @@
       </figure>
       <div class="flex justify-between items-center relative"
         v-show="showMember">
-        <img id="acct_mgmt_button" src="@/assets/icon-head-black.svg" width="32" height="32" 
+        <!-- TODO: 換成人頭按鈕 帳號管理功能 -->
+        <button id="logout_btn" class="btn btn-sm btn-neutral mr-2" @click.prevent="logOutButton">
+          Logout
+        </button>
+        <img v-show="false" id="acct_mgmt_button" src="@/assets/icon-head-black.svg" width="32" height="32" 
           class="cursor-pointer"  @click="onAcctHeadClick"
         />
       </div>
diff --git a/src/module/timeLabel.js b/src/module/timeLabel.js
index d37f268..c1b63a6 100644
--- a/src/module/timeLabel.js
+++ b/src/module/timeLabel.js
@@ -278,7 +278,7 @@ export const setTimeStringFormatBaseOnTimeDifference = (minTimeStamp, maxTimeSta
   } else if (timeDifferenceInSeconds < 2592000) { // 2592000 秒 = 30 天
     dateFormat = 'YYYY/MM/DD'; // 天
   } else {
-    dateFormat = 'YYYY/MM'; // 月
+    dateFormat = 'YYYY/MM/DD'; // 月
   }
 
   return dateFormat;