fix: high cpu usage

cmd/main.go

@@ -39,6 +39,7 @@ func init() {
 }
 
 func main() {
+	initProfiling()
 	args := common.GetArgs()
 
 	switch args.Command {

cmd/main_production.go

@@ -0,0 +1,5 @@
+//go:build production
+
+package main
+
+func initProfiling() {}

cmd/main_prof.go

@@ -0,0 +1,17 @@
+//go:build pprof
+
+package main
+
+import (
+	"log"
+	"net/http"
+	_ "net/http/pprof"
+	"runtime"
+)
+
+func initProfiling() {
+	runtime.GOMAXPROCS(2)
+	go func() {
+		log.Println(http.ListenAndServe(":7777", nil))
+	}()
+}