diff --git a/pkg/common/discoveryregister/discoveryregister.go b/pkg/common/discoveryregister/discoveryregister.go
index fdebd79cc..3ac8710aa 100644
--- a/pkg/common/discoveryregister/discoveryregister.go
+++ b/pkg/common/discoveryregister/discoveryregister.go
@@ -15,8 +15,6 @@
 package discoveryregister
 
 import (
-	"os"
-
 	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/discoveryregister/direct"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/discoveryregister/kubernetes"
@@ -28,10 +26,6 @@ import (
 // NewDiscoveryRegister creates a new service discovery and registry client based on the provided environment type.
 func NewDiscoveryRegister(config *config.GlobalConfig) (discovery.SvcDiscoveryRegistry, error) {
 
-	if os.Getenv("ENVS_DISCOVERY") != "" {
-		config.Envs.Discovery = os.Getenv("ENVS_DISCOVERY")
-	}
-
 	switch config.Envs.Discovery {
 	case "zookeeper":
 		return zookeeper.NewZookeeperDiscoveryRegister(&config.Zookeeper)
diff --git a/pkg/common/discoveryregister/kubernetes/kubernetes.go b/pkg/common/discoveryregister/kubernetes/kubernetes.go
index 302393ed0..78fcd579a 100644
--- a/pkg/common/discoveryregister/kubernetes/kubernetes.go
+++ b/pkg/common/discoveryregister/kubernetes/kubernetes.go
@@ -104,6 +104,7 @@ func getSelfHost(ctx context.Context, gatewayName string) string {
 }
 
 // like openimserver-openim-msggateway-0.openimserver-openim-msggateway-headless.openim-lin.svc.cluster.local:88.
+// Replica set in kubernetes environment
 func getMsgGatewayHost(ctx context.Context, gatewayName string) []string {
 	port := 88
 	instance := "openimserver"
@@ -189,9 +190,10 @@ func (cli *K8sDR) CloseConn(conn *grpc.ClientConn) {
 
 // do not use this method for call rpc.
 func (cli *K8sDR) GetClientLocalConns() map[string][]*grpc.ClientConn {
-	fmt.Println("should not call this function!!!!!!!!!!!!!!!!!!!!!!!!!")
+	log.ZError(context.Background(), "should not call this function!", nil)
 	return nil
 }
+
 func (cli *K8sDR) Close() {
 
 }
diff --git a/scripts/check-all.sh b/scripts/check-all.sh
index 2fc773b2f..54296b22d 100755
--- a/scripts/check-all.sh
+++ b/scripts/check-all.sh
@@ -20,9 +20,6 @@
 # READ: https://github.com/openimsdk/open-im-server/tree/main/scripts/install/environment.sh
 
 
-
-
-
 OPENIM_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
 source "${OPENIM_ROOT}/scripts/install/common.sh"
 
@@ -114,7 +111,3 @@ else
   openim::util::find_ports_for_all_services ${OPENIM_MSGTRANSFER_BINARY[@]}
   openim::log::success "All OpenIM services are running normally! "
 fi
-
-
-
-
diff --git a/scripts/start-all.sh b/scripts/start-all.sh
index acc926f59..6f4a6c574 100755
--- a/scripts/start-all.sh
+++ b/scripts/start-all.sh
@@ -94,7 +94,6 @@ if [[ $? -ne 0 ]]; then
   exit 1
 fi
 
-
 result=$(openim::util::check_process_names ${OPENIM_ALL_SERVICE_LIBRARIES_NO_TRANSFER[@]})
 if [[ $? -ne 0 ]]; then
   openim::log::error "The OpenIM services may fail to start.\n $result"