fix:prometheus enable function

cmd/openim-api/main.go

@@ -18,7 +18,7 @@ import (
 	"context"
 	"fmt"
 	ginProm "github.com/openimsdk/open-im-server/v3/pkg/common/ginPrometheus"
-	prom_metrics "github.com/openimsdk/open-im-server/v3/pkg/common/prom_metrics"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/prom_metrics"
 	"net"
 	_ "net/http/pprof"
 	"strconv"
@@ -85,10 +85,11 @@ func run(port int, proPort int) error {
 	log.ZInfo(context.Background(), "api register public config to discov success")
 	router := api.NewGinRouter(client, rdb)
 	//////////////////////////////
-	p := ginProm.NewPrometheus("app", prom_metrics.GetGinCusMetrics("Api"))
-
-	p.SetListenAddress(fmt.Sprintf(":%d", proPort))
-	p.Use(router)
+	if config.Config.Prometheus.Enable {
+		p := ginProm.NewPrometheus("app", prom_metrics.GetGinCusMetrics("Api"))
+		p.SetListenAddress(fmt.Sprintf(":%d", proPort))
+		p.Use(router)
+	}
 	/////////////////////////////////
 	log.ZInfo(context.Background(), "api init router success")
 	var address string

pkg/common/startrpc/start.go

@@ -83,7 +83,6 @@ func Start(
 	if err != nil {
 		return utils.Wrap1(err)
 	}
-	metric.InitializeMetrics(srv)
 	err = client.Register(
 		rpcRegisterName,
 		registerIP,
@@ -95,6 +94,7 @@ func Start(
 	}
 	go func() {
 		if config.Config.Prometheus.Enable && prometheusPort != 0 {
+			metric.InitializeMetrics(srv)
 			// Create a HTTP server for prometheus.
 			httpServer := &http.Server{Handler: promhttp.HandlerFor(reg, promhttp.HandlerOpts{}), Addr: fmt.Sprintf("0.0.0.0:%d", prometheusPort)}
 			if err := httpServer.ListenAndServe(); err != nil {