增加需要重新打开数据的说明

doc/index.html

@@ -126,8 +126,6 @@
 	<p>如果你使用我的箱子功能打开你的游戏数据，你将会获得如下功能。<br>
 		If you use the <strong>My Box</strong> feature to open your game data, you will get the following features.
 	</p>
-	<p><a href="export-player-data.html">如何得到我的游戏数据？<br>
-		How to get my Game Data?</a></p>
 	<ul>
 		<li>将你队伍变成链接<br>
 			Turn your team into a link.<br>
@@ -140,6 +138,11 @@
 			<img src="images/player-bind-box.webp" alt="绑定箱子"><br>
 		</li>
 	</ul>
+	<p><a href="export-player-data.html">如何得到我的游戏数据？<br>
+		How to get my Game Data?</a></p>
+	<p>你保存的数据全部存于浏览器的本地 IndexedDB 内，不会被上传到服务器，因此更换浏览器就需要重新打开数据。<br>
+		All of the data you save is stored in your browser's local IndexedDB and will not be uploaded to the server, so changing your browser will require you to reopen the data.
+	</p>
 	<h2 id="advanced-of-text-detail">文字的高级功能 | Advanced of text detail</h2>
 	<ul>
 		<li><code>%{m怪物ID}</code>可以显示怪物头像。<br>