diff --git a/landing/app/components/apps.ts b/landing/app/components/apps.ts
index fec7a93..29fd3ca 100644
--- a/landing/app/components/apps.ts
+++ b/landing/app/components/apps.ts
@@ -42,7 +42,8 @@ export const MATRIX_APPS: AppEntry[] = [
     icon: '🌊',
     description: '個人化 KM 河道',
     access: 'allowlist',
-    allowlist_emails: ['leo21c@gmail.com'],
+    // 白名單不寫死進 source（公開 repo 不帶個人 email）；build 時由 env 注入，逗號分隔
+    allowlist_emails: (process.env.NEXT_PUBLIC_MIRA_ALLOWLIST ?? '').split(',').filter(Boolean),
     locked_tooltip: '即將開放',
   },
 ];