diff --git a/src/services/pack_service.ts b/src/services/pack_service.ts
index 101b257..a4f843f 100644
--- a/src/services/pack_service.ts
+++ b/src/services/pack_service.ts
@@ -13,9 +13,11 @@ export default class PackService {
   public static getPackList = (): Array<Pack> => this.packList;
 
   public static getInitialList = async (): Promise<void> => {
-    let packs = await fs.readdirSync(PACK_BASE_PATH);
+    let packs = await fs.readdirSync(PACK_BASE_PATH, { withFileTypes: true });
+    packs = packs.filter((pack) => pack.isDirectory());
+  
     PackService.packList = await Promise.all(
-      packs.map((pack) => PackService.getPackInfo(pack))
+      packs.map((pack) => PackService.getPackInfo(pack.name))
     );
   };