diff --git a/.github/labeler.yml b/.github/labeler.yml
index cbbaa8d09..00bcab595 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -5,7 +5,7 @@ i18n:
   - src/content/docs/fr/**/*
   - src/content/docs/it/**/*
   - src/content/docs/zh-cn/**/*
-  - src/content/docs/jp/**/*
+  - src/content/docs/ja/**/*
 
 "i18n: es":
   - src/content/docs/es/**/*
@@ -19,6 +19,6 @@ i18n:
 "i18n: zh-cn":
   - src/content/docs/zh-cn/**/*
 
-"i18n: jp":
-  - src/content/docs/jp/**/*
+"i18n: ja":
+  - src/content/docs/ja/**/*
 
diff --git a/locales.json b/locales.json
index d905760c7..b9898091b 100644
--- a/locales.json
+++ b/locales.json
@@ -15,8 +15,8 @@
     "label": "简体中文",
     "lang": "zh-cn"
   },
-  "jp": {
+  "ja": {
     "label": "日本語",
-    "lang": "jp"
+    "lang": "ja"
   }
 }
diff --git a/lunaria.config.json b/lunaria.config.json
index 71cee0450..98244281e 100644
--- a/lunaria.config.json
+++ b/lunaria.config.json
@@ -42,7 +42,7 @@
     },
     {
       "label": "日本語",
-      "lang": "jp"
+      "lang": "ja"
     }
   ],
   "dashboard": {