From b15cadf5fb2b82d12e3fd396b0300d5c568b648e Mon Sep 17 00:00:00 2001
From: undefined <masnn0@outlook.com>
Date: Sat, 20 Mar 2021 21:44:40 +0800
Subject: [PATCH] =?UTF-8?q?judge:=20=E4=BC=98=E5=8C=96=E6=97=A0=E6=B5=8B?=
 =?UTF-8?q?=E8=AF=95=E6=95=B0=E6=8D=AE=E6=97=B6=E7=9A=84=E6=8F=90=E7=A4=BA?=
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---
 packages/hydrojudge/package.json   | 2 +-
 packages/hydrojudge/src/service.ts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/hydrojudge/package.json b/packages/hydrojudge/package.json
index 702547908..e9a1f5bdd 100644
--- a/packages/hydrojudge/package.json
+++ b/packages/hydrojudge/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.4.13",
+    "version": "2.4.14",
     "os": [
         "linux"
     ],
diff --git a/packages/hydrojudge/src/service.ts b/packages/hydrojudge/src/service.ts
index 57895fd52..bbc4fc5b5 100644
--- a/packages/hydrojudge/src/service.ts
+++ b/packages/hydrojudge/src/service.ts
@@ -75,7 +75,7 @@ async function postInit() {
     async function cacheOpen(domainId: string, pid: string, files: any[]) {
         const filePath = path.join(getConfig('cache_dir'), domainId, pid);
         await fs.ensureDir(filePath);
-        if (!files.length) throw new SystemError('Problem data not found.');
+        if (!files?.length) throw new SystemError('Problem data not found.');
         let etags: Record<string, string> = {};
         try {
             etags = JSON.parse(fs.readFileSync(path.join(filePath, 'etags')).toString());