diff --git a/readme.ja.md b/readme.ja.md
index 6e6ccb1..c037d29 100644
--- a/readme.ja.md
+++ b/readme.ja.md
@@ -5,6 +5,9 @@
 1. 足あと機能
    - マークダウンファイル(ページ)に、最後に開いた日時を残します。
 
+> [!WARNING]
+>現在、このプラグインはLogseq dbバージョンでは動作しません。
+
 <div align="right">
 
 [English](https://github.com/YU000jp/logseq-plugin-default-template) | [日本語](https://github.com/YU000jp/logseq-plugin-default-template/blob/main/readme.ja.md) [![latest release version](https://img.shields.io/github/v/release/YU000jp/logseq-plugin-default-template)](https://github.com/YU000jp/logseq-plugin-default-template/releases)
diff --git a/readme.md b/readme.md
index 35c9513..f825abe 100644
--- a/readme.md
+++ b/readme.md
@@ -5,6 +5,9 @@
 1. Footprint Feature
    - Property the date and time the page was last opened
 
+> [!WARNING]
+This plugin does not work with Logseq db version now.
+
 <div align="right">
 
 [English](https://github.com/YU000jp/logseq-plugin-default-template) | [日本語](https://github.com/YU000jp/logseq-plugin-default-template/blob/main/readme.ja.md) [![latest release version](https://img.shields.io/github/v/release/YU000jp/logseq-plugin-default-template)](https://github.com/YU000jp/logseq-plugin-default-template/releases)