fix bug:change registerName logic in GetGrpcCusMetrics function

pkg/common/prom_metrics/func.go

@@ -2,6 +2,7 @@ package prom_metrics
 
 import (
 	grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
+	config2 "github.com/openimsdk/open-im-server/v3/pkg/common/config"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/ginPrometheus"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/collectors"
@@ -19,15 +20,15 @@ func NewGrpcPromObj(cusMetrics []prometheus.Collector) (*prometheus.Registry, *g
 
 func GetGrpcCusMetrics(registerName string) []prometheus.Collector {
 	switch registerName {
-	case "MessageGateway":
+	case config2.Config.RpcRegisterName.OpenImMessageGatewayName:
 		return []prometheus.Collector{OnlineUserGauge}
-	case "Msg":
+	case config2.Config.RpcRegisterName.OpenImMsgName:
 		return []prometheus.Collector{SingleChatMsgProcessSuccessCounter, SingleChatMsgProcessFailedCounter, GroupChatMsgProcessSuccessCounter, GroupChatMsgProcessFailedCounter}
 	case "Transfer":
 		return []prometheus.Collector{MsgInsertRedisSuccessCounter, MsgInsertRedisFailedCounter, MsgInsertMongoSuccessCounter, MsgInsertMongoFailedCounter, SeqSetFailedCounter}
-	case "Push":
+	case config2.Config.RpcRegisterName.OpenImPushName:
 		return []prometheus.Collector{MsgOfflinePushFailedCounter}
-	case "Auth":
+	case config2.Config.RpcRegisterName.OpenImAuthName:
 		return []prometheus.Collector{UserLoginCounter}
 	default:
 		return nil