diff --git a/internal/distributed/proxy/httpserver/handler_v2_test.go b/internal/distributed/proxy/httpserver/handler_v2_test.go
index 85f7989e22752..5cd092339cb99 100644
--- a/internal/distributed/proxy/httpserver/handler_v2_test.go
+++ b/internal/distributed/proxy/httpserver/handler_v2_test.go
@@ -159,6 +159,7 @@ func TestHTTPWrapper(t *testing.T) {
 func TestGrpcWrapper(t *testing.T) {
 	getTestCases := []rawTestCase{}
 	getTestCasesNeedAuth := []rawTestCase{}
+	proxy.SetMockAPIHook("", nil)
 	needAuthPrefix := "/auth"
 	ginHandler := gin.Default()
 	app := ginHandler.Group("")
@@ -374,6 +375,7 @@ func TestTimeout(t *testing.T) {
 func TestDatabaseWrapper(t *testing.T) {
 	postTestCases := []requestBodyTestCase{}
 	mp := mocks.NewMockProxy(t)
+	proxy.SetMockAPIHook("", nil)
 	mp.EXPECT().ListDatabases(mock.Anything, mock.Anything).Return(&milvuspb.ListDatabasesResponse{
 		Status:  &StatusSuccess,
 		DbNames: []string{DefaultCollectionName, "exist"},
@@ -466,6 +468,7 @@ func TestDatabaseWrapper(t *testing.T) {
 func TestCreateCollection(t *testing.T) {
 	postTestCases := []requestBodyTestCase{}
 	mp := mocks.NewMockProxy(t)
+	proxy.SetMockAPIHook("", nil)
 	mp.EXPECT().CreateCollection(mock.Anything, mock.Anything).Return(commonSuccessStatus, nil).Times(11)
 	mp.EXPECT().CreateIndex(mock.Anything, mock.Anything).Return(commonSuccessStatus, nil).Times(6)
 	mp.EXPECT().LoadCollection(mock.Anything, mock.Anything).Return(commonSuccessStatus, nil).Times(6)
@@ -693,6 +696,7 @@ func initHTTPServerV2(proxy types.ProxyComponent, needAuth bool) *gin.Engine {
 func TestMethodGet(t *testing.T) {
 	paramtable.Init()
 	mp := mocks.NewMockProxy(t)
+	proxy.SetMockAPIHook("", nil)
 	mp.EXPECT().ShowCollections(mock.Anything, mock.Anything).Return(&milvuspb.ShowCollectionsResponse{
 		Status: &StatusSuccess,
 	}, nil).Once()
@@ -918,6 +922,7 @@ var commonErrorStatus = &commonpb.Status{
 func TestMethodDelete(t *testing.T) {
 	paramtable.Init()
 	mp := mocks.NewMockProxy(t)
+	proxy.SetMockAPIHook("", nil)
 	mp.EXPECT().DropCollection(mock.Anything, mock.Anything).Return(commonSuccessStatus, nil).Once()
 	mp.EXPECT().DropPartition(mock.Anything, mock.Anything).Return(commonSuccessStatus, nil).Once()
 	mp.EXPECT().DeleteCredential(mock.Anything, mock.Anything).Return(commonSuccessStatus, nil).Once()
@@ -969,6 +974,7 @@ func TestMethodDelete(t *testing.T) {
 func TestMethodPost(t *testing.T) {
 	paramtable.Init()
 	mp := mocks.NewMockProxy(t)
+	proxy.SetMockAPIHook("", nil)
 	mp.EXPECT().CreateCollection(mock.Anything, mock.Anything).Return(commonSuccessStatus, nil).Once()
 	mp.EXPECT().RenameCollection(mock.Anything, mock.Anything).Return(commonSuccessStatus, nil).Once()
 	mp.EXPECT().LoadCollection(mock.Anything, mock.Anything).Return(commonSuccessStatus, nil).Twice()
@@ -1077,6 +1083,7 @@ func TestMethodPost(t *testing.T) {
 func TestDML(t *testing.T) {
 	paramtable.Init()
 	mp := mocks.NewMockProxy(t)
+	proxy.SetMockAPIHook("", nil)
 	mp.EXPECT().DescribeCollection(mock.Anything, mock.Anything).Return(&milvuspb.DescribeCollectionResponse{
 		CollectionName: DefaultCollectionName,
 		Schema:         generateCollectionSchema(schemapb.DataType_Int64),
@@ -1198,6 +1205,7 @@ func TestDML(t *testing.T) {
 func TestSearchV2(t *testing.T) {
 	paramtable.Init()
 	mp := mocks.NewMockProxy(t)
+	proxy.SetMockAPIHook("", nil)
 	mp.EXPECT().DescribeCollection(mock.Anything, mock.Anything).Return(&milvuspb.DescribeCollectionResponse{
 		CollectionName: DefaultCollectionName,
 		Schema:         generateCollectionSchema(schemapb.DataType_Int64),
diff --git a/internal/proxy/hook_interceptor.go b/internal/proxy/hook_interceptor.go
index 18dc28bfddf4d..c1e05316455dc 100644
--- a/internal/proxy/hook_interceptor.go
+++ b/internal/proxy/hook_interceptor.go
@@ -92,10 +92,8 @@ func UnaryServerHookInterceptor() grpc.UnaryServerInterceptor {
 
 func HookInterceptor(ctx context.Context, req any, userName, fullMethod string, handler grpc.UnaryHandler) (interface{}, error) {
 	if hoo == nil {
-		if hookError := initHook(); hookError != nil {
-			logger.Error("hook error", zap.String("path", Params.ProxyCfg.SoPath.GetValue()), zap.Error(hookError))
-			hoo = defaultHook{}
-		}
+		log.Warn("hook is not initialized")
+		return nil, errors.New("hook is not initialized")
 	}
 	var (
 		newCtx   context.Context
diff --git a/internal/proxy/proxy.go b/internal/proxy/proxy.go
index 74c9c980f5dc2..7d243be6d8008 100644
--- a/internal/proxy/proxy.go
+++ b/internal/proxy/proxy.go
@@ -148,6 +148,10 @@ func NewProxy(ctx context.Context, factory dependency.Factory) (*Proxy, error) {
 	}
 	node.UpdateStateCode(commonpb.StateCode_Abnormal)
 	expr.Register("proxy", node)
+	if hookError := initHook(); hookError != nil {
+		log.Warn("hook error", zap.String("path", Params.ProxyCfg.SoPath.GetValue()), zap.Error(hookError))
+		hoo = defaultHook{}
+	}
 	logutil.Logger(ctx).Debug("create a new Proxy instance", zap.Any("state", node.stateCode.Load()))
 	return node, nil
 }
diff --git a/internal/querycoordv2/utils/util.go b/internal/querycoordv2/utils/util.go
index 58c40a5511257..3401262e500ef 100644
--- a/internal/querycoordv2/utils/util.go
+++ b/internal/querycoordv2/utils/util.go
@@ -20,12 +20,13 @@ import (
 	"context"
 	"fmt"
 
+	"go.uber.org/zap"
+
 	"github.com/milvus-io/milvus/internal/proto/datapb"
 	"github.com/milvus-io/milvus/internal/querycoordv2/meta"
 	"github.com/milvus-io/milvus/internal/querycoordv2/session"
 	"github.com/milvus-io/milvus/pkg/log"
 	"github.com/milvus-io/milvus/pkg/util/merr"
-	"go.uber.org/zap"
 )
 
 // In a replica, a shard is available, if and only if: