diff --git a/internal/distributed/datacoord/client/client.go b/internal/distributed/datacoord/client/client.go
index 18de3ea86dd736fb6798aebd979f6f668db619a0..096b68b7a96abf10655769512807a6c6c551d71f 100644
--- a/internal/distributed/datacoord/client/client.go
+++ b/internal/distributed/datacoord/client/client.go
@@ -35,7 +35,7 @@ import (
 	"github.com/milvus-io/milvus/internal/util/typeutil"
 )
 
-var Params paramtable.GrpcClientConfig
+var ClientParams paramtable.GrpcClientConfig
 
 // Client is the datacoord grpc client
 type Client struct {
@@ -51,11 +51,11 @@ func NewClient(ctx context.Context, metaRoot string, etcdEndpoints []string) (*C
 		log.Debug("DataCoordClient NewClient failed", zap.Error(err))
 		return nil, err
 	}
-	Params.InitOnce(typeutil.DataCoordRole)
+	ClientParams.InitOnce(typeutil.DataCoordRole)
 	client := &Client{
 		grpcClient: &grpcclient.ClientBase{
-			ClientMaxRecvSize: Params.ClientMaxRecvSize,
-			ClientMaxSendSize: Params.ClientMaxSendSize,
+			ClientMaxRecvSize: ClientParams.ClientMaxRecvSize,
+			ClientMaxSendSize: ClientParams.ClientMaxSendSize,
 		},
 		sess: sess,
 	}
diff --git a/internal/distributed/datanode/client/client.go b/internal/distributed/datanode/client/client.go
index 84221eaf251263f0027f3a9d863c8f80f29a267a..15375cdd650f73c0567b89bd79bb31d55dd25657 100644
--- a/internal/distributed/datanode/client/client.go
+++ b/internal/distributed/datanode/client/client.go
@@ -32,7 +32,7 @@ import (
 	"github.com/milvus-io/milvus/internal/util/typeutil"
 )
 
-var Params paramtable.GrpcClientConfig
+var ClientParams paramtable.GrpcClientConfig
 
 // Client is the grpc client for DataNode
 type Client struct {
@@ -45,12 +45,12 @@ func NewClient(ctx context.Context, addr string) (*Client, error) {
 	if addr == "" {
 		return nil, fmt.Errorf("address is empty")
 	}
-	Params.InitOnce(typeutil.DataNodeRole)
+	ClientParams.InitOnce(typeutil.DataNodeRole)
 	client := &Client{
 		addr: addr,
 		grpcClient: &grpcclient.ClientBase{
-			ClientMaxRecvSize: Params.ClientMaxRecvSize,
-			ClientMaxSendSize: Params.ClientMaxSendSize,
+			ClientMaxRecvSize: ClientParams.ClientMaxRecvSize,
+			ClientMaxSendSize: ClientParams.ClientMaxSendSize,
 		},
 	}
 	client.grpcClient.SetRole(typeutil.DataNodeRole)
diff --git a/internal/distributed/indexcoord/client/client.go b/internal/distributed/indexcoord/client/client.go
index b2e29abbe469c568347b3bb57da4e395f57f2c45..cc47f2f1a4786264cd9dd94db8e15ba34f56e80b 100644
--- a/internal/distributed/indexcoord/client/client.go
+++ b/internal/distributed/indexcoord/client/client.go
@@ -35,7 +35,7 @@ import (
 	"github.com/milvus-io/milvus/internal/util/typeutil"
 )
 
-var Params paramtable.GrpcClientConfig
+var ClientParams paramtable.GrpcClientConfig
 
 // Client is the grpc client of IndexCoord.
 type Client struct {
@@ -51,11 +51,11 @@ func NewClient(ctx context.Context, metaRoot string, etcdEndpoints []string) (*C
 		log.Debug("IndexCoordClient NewClient failed", zap.Error(err))
 		return nil, err
 	}
-	Params.InitOnce(typeutil.IndexCoordRole)
+	ClientParams.InitOnce(typeutil.IndexCoordRole)
 	client := &Client{
 		grpcClient: &grpcclient.ClientBase{
-			ClientMaxRecvSize: Params.ClientMaxRecvSize,
-			ClientMaxSendSize: Params.ClientMaxSendSize,
+			ClientMaxRecvSize: ClientParams.ClientMaxRecvSize,
+			ClientMaxSendSize: ClientParams.ClientMaxSendSize,
 		},
 		sess: sess,
 	}
diff --git a/internal/distributed/indexcoord/client/client_test.go b/internal/distributed/indexcoord/client/client_test.go
index 90b6ef10e3bd06eba6ab8966ad6b85c0b3efe032..61642a5149d3f6f37c13f65a10787f6ec2862bf4 100644
--- a/internal/distributed/indexcoord/client/client_test.go
+++ b/internal/distributed/indexcoord/client/client_test.go
@@ -31,7 +31,7 @@ import (
 )
 
 func TestIndexCoordClient(t *testing.T) {
-	Params.InitOnce(typeutil.IndexCoordRole)
+	ClientParams.InitOnce(typeutil.IndexCoordRole)
 	ctx := context.Background()
 	server, err := grpcindexcoord.NewServer(ctx)
 	assert.Nil(t, err)
diff --git a/internal/distributed/indexnode/client/client.go b/internal/distributed/indexnode/client/client.go
index 77f06cc32cc93e440c2829f797395d4e80e99f7a..a62bbb12b58d5c6a9658c12fbf06f7894aeeb6e5 100644
--- a/internal/distributed/indexnode/client/client.go
+++ b/internal/distributed/indexnode/client/client.go
@@ -31,7 +31,7 @@ import (
 	"google.golang.org/grpc"
 )
 
-var Params paramtable.GrpcClientConfig
+var ClientParams paramtable.GrpcClientConfig
 
 // Client is the grpc client of IndexNode.
 type Client struct {
@@ -44,12 +44,12 @@ func NewClient(ctx context.Context, addr string) (*Client, error) {
 	if addr == "" {
 		return nil, fmt.Errorf("address is empty")
 	}
-	Params.InitOnce(typeutil.IndexNodeRole)
+	ClientParams.InitOnce(typeutil.IndexNodeRole)
 	client := &Client{
 		addr: addr,
 		grpcClient: &grpcclient.ClientBase{
-			ClientMaxRecvSize: Params.ClientMaxRecvSize,
-			ClientMaxSendSize: Params.ClientMaxSendSize,
+			ClientMaxRecvSize: ClientParams.ClientMaxRecvSize,
+			ClientMaxSendSize: ClientParams.ClientMaxSendSize,
 		},
 	}
 	client.grpcClient.SetRole(typeutil.IndexNodeRole)
diff --git a/internal/distributed/indexnode/client/client_test.go b/internal/distributed/indexnode/client/client_test.go
index c89f525d62458bc92d155f60be9e75640bda6a6c..0565eaa725f75c84047993c23f36fd3c0830c9ab 100644
--- a/internal/distributed/indexnode/client/client_test.go
+++ b/internal/distributed/indexnode/client/client_test.go
@@ -21,21 +21,20 @@ import (
 	"errors"
 	"testing"
 
-	"github.com/milvus-io/milvus/internal/util/metricsinfo"
-
-	"github.com/milvus-io/milvus/internal/util/mock"
-	"google.golang.org/grpc"
-
 	grpcindexnode "github.com/milvus-io/milvus/internal/distributed/indexnode"
 	"github.com/milvus-io/milvus/internal/indexnode"
 	"github.com/milvus-io/milvus/internal/proto/commonpb"
 	"github.com/milvus-io/milvus/internal/proto/indexpb"
 	"github.com/milvus-io/milvus/internal/proto/internalpb"
+	"github.com/milvus-io/milvus/internal/util/metricsinfo"
+	"github.com/milvus-io/milvus/internal/util/mock"
+	"github.com/milvus-io/milvus/internal/util/typeutil"
 	"github.com/stretchr/testify/assert"
+	"google.golang.org/grpc"
 )
 
 func Test_NewClient(t *testing.T) {
-	Params.Init()
+	ClientParams.InitOnce(typeutil.IndexNodeRole)
 	ctx := context.Background()
 	client, err := NewClient(ctx, "")
 	assert.Nil(t, client)
diff --git a/internal/distributed/proxy/client/client.go b/internal/distributed/proxy/client/client.go
index 224712e64e41784f32fd84f3ba266dd9479afdf8..b2dcd3cf0600d3f396f5baa475e88f1108b144ee 100644
--- a/internal/distributed/proxy/client/client.go
+++ b/internal/distributed/proxy/client/client.go
@@ -31,7 +31,7 @@ import (
 	"google.golang.org/grpc"
 )
 
-var Params paramtable.GrpcClientConfig
+var ClientParams paramtable.GrpcClientConfig
 
 // Client is the grpc client for Proxy
 type Client struct {
@@ -44,12 +44,12 @@ func NewClient(ctx context.Context, addr string) (*Client, error) {
 	if addr == "" {
 		return nil, fmt.Errorf("address is empty")
 	}
-	Params.InitOnce(typeutil.ProxyRole)
+	ClientParams.InitOnce(typeutil.ProxyRole)
 	client := &Client{
 		addr: addr,
 		grpcClient: &grpcclient.ClientBase{
-			ClientMaxRecvSize: Params.ClientMaxRecvSize,
-			ClientMaxSendSize: Params.ClientMaxSendSize,
+			ClientMaxRecvSize: ClientParams.ClientMaxRecvSize,
+			ClientMaxSendSize: ClientParams.ClientMaxSendSize,
 		},
 	}
 	client.grpcClient.SetRole(typeutil.ProxyRole)
diff --git a/internal/distributed/querycoord/client/client.go b/internal/distributed/querycoord/client/client.go
index a90d2af59b4d58789a5d49f3ad283008b8951b1b..11bbc30e54262e4d90602a1a0cd2387466437352 100644
--- a/internal/distributed/querycoord/client/client.go
+++ b/internal/distributed/querycoord/client/client.go
@@ -34,7 +34,7 @@ import (
 	"google.golang.org/grpc"
 )
 
-var Params paramtable.GrpcClientConfig
+var ClientParams paramtable.GrpcClientConfig
 
 // Client is the grpc client of QueryCoord.
 type Client struct {
@@ -50,11 +50,11 @@ func NewClient(ctx context.Context, metaRoot string, etcdEndpoints []string) (*C
 		log.Debug("QueryCoordClient NewClient failed", zap.Error(err))
 		return nil, err
 	}
-	Params.InitOnce(typeutil.QueryCoordRole)
+	ClientParams.InitOnce(typeutil.QueryCoordRole)
 	client := &Client{
 		grpcClient: &grpcclient.ClientBase{
-			ClientMaxRecvSize: Params.ClientMaxRecvSize,
-			ClientMaxSendSize: Params.ClientMaxSendSize,
+			ClientMaxRecvSize: ClientParams.ClientMaxRecvSize,
+			ClientMaxSendSize: ClientParams.ClientMaxSendSize,
 		},
 		sess: sess,
 	}
diff --git a/internal/distributed/querynode/client/client.go b/internal/distributed/querynode/client/client.go
index 3939bdc63a3854026db8649611b368d17df3f286..cff5ba7dbc428c13ebaa79a5248be69abff28cef 100644
--- a/internal/distributed/querynode/client/client.go
+++ b/internal/distributed/querynode/client/client.go
@@ -31,7 +31,7 @@ import (
 	"google.golang.org/grpc"
 )
 
-var Params paramtable.GrpcClientConfig
+var ClientParams paramtable.GrpcClientConfig
 
 // Client is the grpc client of QueryNode.
 type Client struct {
@@ -44,12 +44,12 @@ func NewClient(ctx context.Context, addr string) (*Client, error) {
 	if addr == "" {
 		return nil, fmt.Errorf("addr is empty")
 	}
-	Params.InitOnce(typeutil.QueryNodeRole)
+	ClientParams.InitOnce(typeutil.QueryNodeRole)
 	client := &Client{
 		addr: addr,
 		grpcClient: &grpcclient.ClientBase{
-			ClientMaxRecvSize: Params.ClientMaxRecvSize,
-			ClientMaxSendSize: Params.ClientMaxSendSize,
+			ClientMaxRecvSize: ClientParams.ClientMaxRecvSize,
+			ClientMaxSendSize: ClientParams.ClientMaxSendSize,
 		},
 	}
 	client.grpcClient.SetRole(typeutil.QueryNodeRole)
diff --git a/internal/distributed/querynode/client/client_test.go b/internal/distributed/querynode/client/client_test.go
index 15e0033630b3d7efa63e3099ec8926bc9ae8048c..9dfb03f1bb08c02f755d0957ab48e9160ff0dab8 100644
--- a/internal/distributed/querynode/client/client_test.go
+++ b/internal/distributed/querynode/client/client_test.go
@@ -21,11 +21,11 @@ import (
 	"errors"
 	"testing"
 
-	"github.com/milvus-io/milvus/internal/util/mock"
-	"google.golang.org/grpc"
-
 	"github.com/milvus-io/milvus/internal/proxy"
+	"github.com/milvus-io/milvus/internal/util/mock"
+	"github.com/milvus-io/milvus/internal/util/typeutil"
 	"github.com/stretchr/testify/assert"
+	"google.golang.org/grpc"
 )
 
 func Test_NewClient(t *testing.T) {
@@ -40,7 +40,7 @@ func Test_NewClient(t *testing.T) {
 	assert.Nil(t, err)
 	assert.NotNil(t, client)
 
-	Params.Init()
+	ClientParams.InitOnce(typeutil.QueryNodeRole)
 
 	err = client.Start()
 	assert.Nil(t, err)
diff --git a/internal/distributed/rootcoord/client/client.go b/internal/distributed/rootcoord/client/client.go
index 6ceffd45fd282fee080ee78b77743c8243104f51..c0177e37e8cc6ebda765251ad1a7f72fcc60c99f 100644
--- a/internal/distributed/rootcoord/client/client.go
+++ b/internal/distributed/rootcoord/client/client.go
@@ -36,7 +36,7 @@ import (
 	"google.golang.org/grpc"
 )
 
-var Params paramtable.GrpcClientConfig
+var ClientParams paramtable.GrpcClientConfig
 
 // Client grpc client
 type Client struct {
@@ -56,11 +56,11 @@ func NewClient(ctx context.Context, metaRoot string, etcdEndpoints []string) (*C
 		log.Debug("QueryCoordClient NewClient failed", zap.Error(err))
 		return nil, err
 	}
-	Params.InitOnce(typeutil.RootCoordRole)
+	ClientParams.InitOnce(typeutil.RootCoordRole)
 	client := &Client{
 		grpcClient: &grpcclient.ClientBase{
-			ClientMaxRecvSize: Params.ClientMaxRecvSize,
-			ClientMaxSendSize: Params.ClientMaxSendSize,
+			ClientMaxRecvSize: ClientParams.ClientMaxRecvSize,
+			ClientMaxSendSize: ClientParams.ClientMaxSendSize,
 		},
 		sess: sess,
 	}