From 639dcf0f07043c92d1d422f4a93ca7b2789214a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9Cboz=E2=80=9D?= <boz@keyayun.com>
Date: Tue, 22 Mar 2022 15:41:47 +0800
Subject: [PATCH] fix switching page causes setting to crash

---
 ui/src/Pages/SettingsPage/ScannerConcurrentWorkers.tsx | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/ui/src/Pages/SettingsPage/ScannerConcurrentWorkers.tsx b/ui/src/Pages/SettingsPage/ScannerConcurrentWorkers.tsx
index 01e8d477..717d1603 100644
--- a/ui/src/Pages/SettingsPage/ScannerConcurrentWorkers.tsx
+++ b/ui/src/Pages/SettingsPage/ScannerConcurrentWorkers.tsx
@@ -26,6 +26,9 @@ const SET_CONCURRENT_WORKERS_MUTATION = gql`
 const ScannerConcurrentWorkers = () => {
   const { t } = useTranslation()
 
+  const workerAmountServerValue = useRef<null | number>(null)
+  const [workerAmount, setWorkerAmount] = useState(0)
+
   const workerAmountQuery = useQuery<concurrentWorkersQuery>(
     CONCURRENT_WORKERS_QUERY,
     {
@@ -41,9 +44,6 @@ const ScannerConcurrentWorkers = () => {
     setConcurrentWorkersVariables
   >(SET_CONCURRENT_WORKERS_MUTATION)
 
-  const workerAmountServerValue = useRef<null | number>(null)
-  const [workerAmount, setWorkerAmount] = useState(0)
-
   const updateWorkerAmount = (workerAmount: number) => {
     if (workerAmountServerValue.current != workerAmount) {
       workerAmountServerValue.current = workerAmount