diff --git a/go.mod b/go.mod
index f2a36c55..7da56c9e 100644
--- a/go.mod
+++ b/go.mod
@@ -19,6 +19,7 @@ require (
 	github.com/yaling888/go-lwip v0.0.0-20210928231210-94b50cb51cc1
 	go.etcd.io/bbolt v1.3.6
 	go.uber.org/atomic v1.9.0
+	go.uber.org/automaxprocs v1.4.0
 	golang.org/x/crypto v0.0.0-20210817164053-32db794688a5
 	golang.org/x/net v0.0.0-20210903162142-ad29c8ab022f
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
diff --git a/go.sum b/go.sum
index fb3f103c..148e812a 100644
--- a/go.sum
+++ b/go.sum
@@ -599,6 +599,8 @@ go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
 go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+go.uber.org/automaxprocs v1.4.0 h1:CpDZl6aOlLhReez+8S3eEotD7Jx0Os++lemPlMULQP0=
+go.uber.org/automaxprocs v1.4.0/go.mod h1:/mTEdr7LvHhs0v7mjdxDreTz1OG5zdZGqgOnhWiR/+Q=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
diff --git a/main.go b/main.go
index 7691aded..d17e0246 100644
--- a/main.go
+++ b/main.go
@@ -14,6 +14,8 @@ import (
 	"github.com/Dreamacro/clash/hub"
 	"github.com/Dreamacro/clash/hub/executor"
 	"github.com/Dreamacro/clash/log"
+
+	"go.uber.org/automaxprocs/maxprocs"
 )
 
 var (
@@ -44,6 +46,7 @@ func init() {
 }
 
 func main() {
+	maxprocs.Set(maxprocs.Logger(func(string, ...interface{}) {}))
 	if version {
 		fmt.Printf("Clash Plus Pro %s %s %s with %s %s\n", C.Version, runtime.GOOS, runtime.GOARCH, runtime.Version(), C.BuildTime)
 		return
diff --git a/tunnel/tunnel.go b/tunnel/tunnel.go
index 1aaf94f4..73b2b499 100644
--- a/tunnel/tunnel.go
+++ b/tunnel/tunnel.go
@@ -102,8 +102,8 @@ func processUDP() {
 
 func process() {
 	numUDPWorkers := 4
-	if runtime.NumCPU() > numUDPWorkers {
-		numUDPWorkers = runtime.NumCPU()
+	if num := runtime.GOMAXPROCS(0); num > numUDPWorkers {
+		numUDPWorkers = num
 	}
 	for i := 0; i < numUDPWorkers; i++ {
 		go processUDP()