diff --git a/db/index.ts b/db/index.ts
index b9513b2..4245af0 100644
--- a/db/index.ts
+++ b/db/index.ts
@@ -122,5 +122,5 @@ export async function getMilageMax(): Promise<number> {
     .select('milageEnd')
     .exec()
 
-  return billMaxMilageEnd?.milageEnd
+  return billMaxMilageEnd?.milageEnd || 0
 }