From cf4ef57f68ec58a06ce8261a0f0a7d68bbd93596 Mon Sep 17 00:00:00 2001
From: undefined <i@undefined.moe>
Date: Tue, 21 Sep 2021 15:39:15 +0800
Subject: [PATCH] core: check value exists

---
 packages/hydrooj/package.json      |  2 +-
 packages/hydrooj/src/model/task.ts | 10 ++++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 07e933abf..d527f6fcb 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.37.1",
+    "version": "2.37.2",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",
diff --git a/packages/hydrooj/src/model/task.ts b/packages/hydrooj/src/model/task.ts
index 60f0ae4da..737a416b0 100644
--- a/packages/hydrooj/src/model/task.ts
+++ b/packages/hydrooj/src/model/task.ts
@@ -160,11 +160,13 @@ bus.once('app/started', async () => {
                 { ack: { $not: { $elemMatch: { $eq: id } } } },
                 { $push: { ack: id } },
             );
-            const payload = JSON.parse(res.value.payload);
-            if (process.send) process.send({ type: 'hydro:broadcast', data: { event: res.value.event, payload } });
-            if (res.value) bus.parallel(res.value.event, ...payload);
             // eslint-disable-next-line no-await-in-loop
-            else await sleep(100);
+            if (!res.value) await sleep(100);
+            else {
+                const payload = JSON.parse(res.value.payload);
+                if (process.send) process.send({ type: 'hydro:broadcast', data: { event: res.value.event, payload } });
+                if (res.value) bus.parallel(res.value.event, ...payload);
+            }
         }
     })();
 });