fix(contrib/registry/servicecomb): wrong stop ticker (#2749)

Co-authored-by: haiyux <haiyux@foxmail.com>

contrib/registry/servicecomb/registry.go

@@ -124,9 +124,6 @@ func (r *Registry) Register(_ context.Context, svcIns *registry.ServiceInstance)
 		// 保存当前版本微服务对应的sid
 		curServiceID = sid
 	}
-	props := make(map[string]string)
-	props[appIDKey] = appID
-	props[envKey] = env
 	if svcIns.ID == "" {
 		var id uuid.UUID
 		id, err = uuid.NewV4()
@@ -135,6 +132,10 @@ func (r *Registry) Register(_ context.Context, svcIns *registry.ServiceInstance)
 		}
 		svcIns.ID = id.String()
 	}
+	props := map[string]string{
+		appIDKey: appID,
+		envKey:   env,
+	}
 	_, err = r.cli.RegisterMicroServiceInstance(&discovery.MicroServiceInstance{
 		InstanceId: svcIns.ID,
 		ServiceId:  sid,
@@ -146,9 +147,9 @@ func (r *Registry) Register(_ context.Context, svcIns *registry.ServiceInstance)
 	if err != nil {
 		return err
 	}
+	go func() {
 		ticker := time.NewTicker(30 * time.Second)
 		defer ticker.Stop()
-	go func() {
 		for {
 			<-ticker.C
 			_, err = r.cli.Heartbeat(sid, svcIns.ID)