diff --git a/internal/api/route.go b/internal/api/route.go
index fa34f109a..6031367c7 100644
--- a/internal/api/route.go
+++ b/internal/api/route.go
@@ -16,6 +16,7 @@ package api
 
 import (
 	"context"
+	"fmt"
 	"net/http"
 
 	"github.com/OpenIMSDK/protocol/constant"
@@ -43,7 +44,7 @@ import (
 )
 
 func NewGinRouter(discov discoveryregistry.SvcDiscoveryRegistry, rdb redis.UniversalClient) *gin.Engine {
-	discov.AddOption(mw.GrpcClient(), grpc.WithTransportCredentials(insecure.NewCredentials())) // 默认RPC中间件
+	discov.AddOption(mw.GrpcClient(), grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithDefaultServiceConfig(fmt.Sprintf(`{"LoadBalancingPolicy": "%s"}`, "round_robin"))) // 默认RPC中间件
 	gin.SetMode(gin.ReleaseMode)
 	r := gin.New()
 	if v, ok := binding.Validator.Engine().(*validator.Validate); ok {
diff --git a/pkg/common/discoveryregister/direct/directconn.go b/pkg/common/discoveryregister/direct/directconn.go
index 4f521ef5e..fd71ba278 100644
--- a/pkg/common/discoveryregister/direct/directconn.go
+++ b/pkg/common/discoveryregister/direct/directconn.go
@@ -75,6 +75,7 @@ func NewConnManager() (*ConnManager, error) {
 
 func (cm *ConnManager) GetConns(ctx context.Context,
 	serviceName string, opts ...grpc.DialOption) ([]*grpc.ClientConn, error) {
+
 	if conns, exists := cm.conns[serviceName]; exists {
 		return conns, nil
 	}