diff --git a/src/server.ts b/src/server.ts
index 3648006..07a32d9 100755
--- a/src/server.ts
+++ b/src/server.ts
@@ -27,9 +27,9 @@ const isRoot = process.getuid && process.getuid() === 0
 const port = isRoot ? 80 : 8080
 const httpsport = isRoot ? 443 : 5001
 
-import os from 'os'
-os.setPriority(10)
-console.log(`Process priority set to ${os.getPriority()}`)
+// import os from 'os'
+// os.setPriority(10)
+// console.log(`Process priority set to ${os.getPriority()}`)
 
 import express from 'express'
 import vhost from 'vhost'
@@ -131,14 +131,14 @@ function exit(reason) {
 const app = express()
 
 if (!process.env.NS_DEVEL) {
-  app.use(function(req, res, next) {
+  app.use(function (req, res, next) {
     if (req.secure) {
       next()
     } else {
       logger.DebugLog(
-        `HTTPS ${req.method} redirect to: ${'https://' +
-          req.headers.host +
-          req.url}`,
+        `HTTPS ${req.method} redirect to: ${
+          'https://' + req.headers.host + req.url
+        }`,
         'https',
         1
       )
@@ -176,7 +176,7 @@ app.use(
   })
 )
 
-Object.keys(modules).forEach(function(key) {
+Object.keys(modules).forEach(function (key) {
   const module = modules[key]
   try {
     const mod = require(module.path).default // eslint-disable-line
@@ -261,7 +261,7 @@ function setLogTimer() {
     return
   }
 
-  setTimeout(function() {
+  setTimeout(function () {
     LogTimerAction()
     rotateLog()
     setLogTimer()
diff --git a/src/utils/classes.ts b/src/utils/classes.ts
index 5f93e2e..64089b3 100755
--- a/src/utils/classes.ts
+++ b/src/utils/classes.ts
@@ -1,4 +1,4 @@
-import os from 'os'
+// import os from 'os'
 import { isMainThread, parentPort, workerData } from 'worker_threads'
 
 import logger from './logger'
@@ -588,8 +588,8 @@ function doSearch(
 // ---------------------------------------------------------------------------------------------------------
 
 if (!isMainThread) {
-  os.setPriority(10)
-  logger.Log(`Worker thread priority set to ${os.getPriority()}`)
+  // os.setPriority(10)
+  // logger.Log(`Worker thread priority set to ${os.getPriority()}`)
 
   const { workerIndex } = workerData
   let qdbs: Array<QuestionDb> = workerData.initData