diff --git a/doc/JA/syntax/type/04_class.md b/doc/JA/syntax/type/04_class.md
index 9b9e0434..81f599b6 100644
--- a/doc/JA/syntax/type/04_class.md
+++ b/doc/JA/syntax/type/04_class.md
@@ -1,6 +1,6 @@
 # Class
 
-[![badge](https://img.shields.io/endpoint.svg?url=https%3A%2F%2Fgezf7g7pd5.execute-api.ap-northeast-1.amazonaws.com%2Fdefault%2Fsource_up_to_date%3Fowner%3Derg-lang%26repos%3Derg%26ref%3Dmain%26path%3Ddoc/EN/syntax/type/04_class.md%26commit_hash%3D51de3c9d5a9074241f55c043b9951b384836b258)](https://gezf7g7pd5.execute-api.ap-northeast-1.amazonaws.com/default/source_up_to_date?owner=erg-lang&repos=erg&ref=main&path=doc/EN/syntax/type/04_class.md&commit_hash=51de3c9d5a9074241f55c043b9951b384836b258)
+[![badge](https://img.shields.io/endpoint.svg?url=https%3A%2F%2Fgezf7g7pd5.execute-api.ap-northeast-1.amazonaws.com%2Fdefault%2Fsource_up_to_date%3Fowner%3Derg-lang%26repos%3Derg%26ref%3Dmain%26path%3Ddoc/EN/syntax/type/04_class.md%26commit_hash%3D1ae76335017dda8c599203146232956aa8b5b73e)](https://gezf7g7pd5.execute-api.ap-northeast-1.amazonaws.com/default/source_up_to_date?owner=erg-lang&repos=erg&ref=main&path=doc/EN/syntax/type/04_class.md&commit_hash=1ae76335017dda8c599203146232956aa8b5b73e)
 
 Ergにおけるクラスは、大まかには自身の要素(インスタンス)を生成できる型と言えます。
 以下は単純なクラスの例です。
@@ -290,4 +290,4 @@ assert T.foo == Foo
 
 <p align='center'>
     <a href='./03_trait.md'>Previous</a> | <a href='./05_inheritance.md'>Next</a>
-</p>
\ No newline at end of file
+</p>