diff --git a/src/lib/db-schema.ts b/src/lib/db-schema.ts
index 5c38311..44f1dc3 100644
--- a/src/lib/db-schema.ts
+++ b/src/lib/db-schema.ts
@@ -126,10 +126,9 @@ export function initDatabase() {
     }
   }
 
-  // 迁移自定义角色中遗留的旧 assets:export 权限（拆分为 selected/all）
+  // 迁移旧权限（所有角色，包括内置角色）
   const allRoles = db.prepare('SELECT id, name, permissions FROM roles').all() as { id: number; name: string; permissions: string }[]
   for (const r of allRoles) {
-    if (builtinNames.has(r.name)) continue
     const perms: string[] = JSON.parse(r.permissions)
     if (perms.includes('assets:export')) {
       const upgraded = perms.filter(p => p !== 'assets:export')