diff --git a/content/zh-cn/docs/srs/thailand/preecha.md b/content/zh-cn/docs/srs/thailand/preecha.md
index 944db4cd..70e37c8d 100644
--- a/content/zh-cn/docs/srs/thailand/preecha.md
+++ b/content/zh-cn/docs/srs/thailand/preecha.md
@@ -142,7 +142,8 @@ Tips:
 
 {{< expand "点击展开" >}}
 
-- 2023 年 11 月
+- 2023 年 11 月（零深度）
+
   {{< hiddenphoto "/images/srs/thailand/preecha/post-1-1.webp" >}}
   {{< hiddenphoto "/images/srs/thailand/preecha/post-1-2.webp" >}}