diff --git a/src/locale/README.md b/src/locale/README.md
index 166d7bff3..3a699cdf1 100644
--- a/src/locale/README.md
+++ b/src/locale/README.md
@@ -45,5 +45,6 @@ Current supported languages:
 | English | en-US |
 | Turkish | tr-TR |
 | Spanish (Spain) | es-ES |
+| Japanese | ja-JP |
 
 > View all language configs [Here](https://github.com/youzan/vant/tree/dev/src/locale/lang).
diff --git a/src/locale/README.zh-CN.md b/src/locale/README.zh-CN.md
index 7200b729a..be86bbe62 100644
--- a/src/locale/README.zh-CN.md
+++ b/src/locale/README.zh-CN.md
@@ -45,6 +45,7 @@ Locale.add(messages);
 | 英语 | en-US |
 | 土耳其语 | tr-TR |
 | 西班牙语 | es-ES |
+| 日语 | ja-JP |
 
 > 在 [这里](https://github.com/youzan/vant/tree/dev/src/locale/lang) 查看所有的 i18n 配置文件。