From c37dfd6df118f4d0390c9069f1f8a08d725cd9f9 Mon Sep 17 00:00:00 2001
From: undefined <i@undefined.moe>
Date: Fri, 5 May 2023 01:11:21 +0800
Subject: [PATCH] core: optional host field

---
 packages/hydrooj/src/model/domain.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/hydrooj/src/model/domain.ts b/packages/hydrooj/src/model/domain.ts
index 25eb0cc1..451efdc1 100644
--- a/packages/hydrooj/src/model/domain.ts
+++ b/packages/hydrooj/src/model/domain.ts
@@ -298,7 +298,7 @@ bus.on('ready', () => Promise.all([
 bus.on('domain/delete-cache', async (domainId: string) => {
     const ddoc = await DomainModel.get(domainId);
     if (!ddoc) return;
-    for (const host of ddoc.hosts) {
+    for (const host of ddoc.hosts || []) {
         cache.delete(`host::${host}`);
     }
     cache.delete(`id::${domainId}`);