diff --git a/client/index/index.go b/client/index/index.go
index e04b92b3f6..95553dd2ca 100644
--- a/client/index/index.go
+++ b/client/index/index.go
@@ -68,8 +68,12 @@ func (gi GenericIndex) Params() map[string]string {
 	return m
 }
 
+func (gi GenericIndex) WithMetricType(metricType MetricType) {
+	gi.baseIndex.metricType = metricType
+}
+
 // NewGenericIndex create generic index instance
-func NewGenericIndex(name string, params map[string]string) Index {
+func NewGenericIndex(name string, params map[string]string) GenericIndex {
 	return GenericIndex{
 		baseIndex: baseIndex{
 			name: name,
diff --git a/client/milvusclient/collection_example_test.go b/client/milvusclient/collection_example_test.go
index ec6420d200..3621f698f0 100644
--- a/client/milvusclient/collection_example_test.go
+++ b/client/milvusclient/collection_example_test.go
@@ -154,6 +154,67 @@ func ExampleClient_CreateCollection_ttl() {
 	}
 }
 
+func ExampleClient_CreateCollection_quickSetup() {
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	collectionName := `quick_setup_1`
+	cli, err := milvusclient.New(ctx, &milvusclient.ClientConfig{
+		Address: milvusAddr,
+	})
+	if err != nil {
+		// handle err
+	}
+
+	err = cli.CreateCollection(ctx, milvusclient.SimpleCreateCollectionOptions(collectionName, 512))
+	if err != nil {
+		// handle error
+	}
+}
+
+func ExampleClient_CreateCollection_quickSetupWithIndexParams() {
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	collectionName := `quick_setup_2`
+	cli, err := milvusclient.New(ctx, &milvusclient.ClientConfig{
+		Address: milvusAddr,
+	})
+	if err != nil {
+		// handle err
+	}
+
+	err = cli.CreateCollection(ctx, milvusclient.SimpleCreateCollectionOptions(collectionName, 512).WithIndexOptions(
+		milvusclient.NewCreateIndexOption(collectionName, "vector", index.NewHNSWIndex(entity.L2, 64, 128)),
+	))
+	if err != nil {
+		log.Println(err.Error())
+		// handle error
+	}
+}
+
+func ExampleClient_CreateCollection_quickSetupCustomize() {
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	collectionName := `quick_setup_3`
+	cli, err := milvusclient.New(ctx, &milvusclient.ClientConfig{
+		Address: milvusAddr,
+	})
+	if err != nil {
+		// handle err
+	}
+
+	err = cli.CreateCollection(ctx, milvusclient.SimpleCreateCollectionOptions(collectionName, 512).
+		WithVarcharPK(true, 64).
+		WithShardNum(1),
+	)
+	if err != nil {
+		log.Println(err.Error())
+		// handle error
+	}
+}
+
 func ExampleClient_CreateCollection_consistencyLevel() {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
@@ -245,7 +306,7 @@ func ExampleClient_RenameCollection() {
 	}
 }
 
-func ExampleClient_AlterCollection_setTTL() {
+func ExampleClient_AlterCollectionProperties_setTTL() {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
diff --git a/client/milvusclient/collection_options.go b/client/milvusclient/collection_options.go
index 1bd8029d63..fc271aa1f2 100644
--- a/client/milvusclient/collection_options.go
+++ b/client/milvusclient/collection_options.go
@@ -88,7 +88,7 @@ func (opt *createCollectionOption) WithVarcharPK(varcharPK bool, maxLen int) *cr
 }
 
 func (opt *createCollectionOption) WithIndexOptions(indexOpts ...CreateIndexOption) *createCollectionOption {
-	opt.indexOptions = append(opt.indexOptions, indexOpts...)
+	opt.indexOptions = indexOpts
 	return opt
 }
 
@@ -102,6 +102,26 @@ func (opt *createCollectionOption) WithConsistencyLevel(cl entity.ConsistencyLev
 	return opt
 }
 
+func (opt *createCollectionOption) WithMetricType(metricType entity.MetricType) *createCollectionOption {
+	opt.metricType = metricType
+	return opt
+}
+
+func (opt *createCollectionOption) WithPKFieldName(name string) *createCollectionOption {
+	opt.pkFieldName = name
+	return opt
+}
+
+func (opt *createCollectionOption) WithVectorFieldName(name string) *createCollectionOption {
+	opt.vectorFieldName = name
+	return opt
+}
+
+func (opt *createCollectionOption) WithNumPartitions(numPartitions int64) *createCollectionOption {
+	opt.numPartitions = numPartitions
+	return opt
+}
+
 func (opt *createCollectionOption) Request() *milvuspb.CreateCollectionRequest {
 	// fast create collection
 	if opt.isFast {
@@ -140,12 +160,12 @@ func (opt *createCollectionOption) Request() *milvuspb.CreateCollectionRequest {
 
 func (opt *createCollectionOption) Indexes() []CreateIndexOption {
 	// fast create
-	if opt.isFast {
+	if opt.isFast && opt.indexOptions == nil {
 		return []CreateIndexOption{
 			NewCreateIndexOption(opt.name, opt.vectorFieldName, index.NewGenericIndex("", map[string]string{})),
 		}
 	}
-	return nil
+	return opt.indexOptions
 }
 
 func (opt *createCollectionOption) IsFast() bool {
diff --git a/client/milvusclient/collection_test.go b/client/milvusclient/collection_test.go
index fc207ae825..327467ad97 100644
--- a/client/milvusclient/collection_test.go
+++ b/client/milvusclient/collection_test.go
@@ -104,7 +104,9 @@ func (s *CollectionSuite) TestCreateCollectionOptions() {
 	s.True(collSchema.GetEnableDynamicField())
 
 	collectionName = fmt.Sprintf("test_collection_%s", s.randString(6))
-	opt = SimpleCreateCollectionOptions(collectionName, 128).WithVarcharPK(true, 64).WithAutoID(false).WithDynamicSchema(false)
+	opt = SimpleCreateCollectionOptions(collectionName, 128).WithVarcharPK(true, 64).WithAutoID(false).
+		WithPKFieldName("pk").WithVectorFieldName("embedding").WithMetricType(entity.L2).
+		WithDynamicSchema(false)
 	req = opt.Request()
 	s.Equal(collectionName, req.GetCollectionName())
 	s.EqualValues(1, req.GetShardsNum())
diff --git a/client/milvusclient/rbac_options.go b/client/milvusclient/rbac_options.go
index cacb72718d..188d77a793 100644
--- a/client/milvusclient/rbac_options.go
+++ b/client/milvusclient/rbac_options.go
@@ -18,6 +18,7 @@ package milvusclient
 
 import (
 	"github.com/milvus-io/milvus-proto/go-api/v2/milvuspb"
+	"github.com/milvus-io/milvus/pkg/v2/util/crypto"
 )
 
 type ListUserOption interface {
@@ -71,7 +72,7 @@ type createUserOption struct {
 func (opt *createUserOption) Request() *milvuspb.CreateCredentialRequest {
 	return &milvuspb.CreateCredentialRequest{
 		Username: opt.userName,
-		Password: opt.password,
+		Password: crypto.Base64Encode(opt.password),
 	}
 }
 
@@ -95,8 +96,8 @@ type updatePasswordOption struct {
 func (opt *updatePasswordOption) Request() *milvuspb.UpdateCredentialRequest {
 	return &milvuspb.UpdateCredentialRequest{
 		Username:    opt.userName,
-		OldPassword: opt.oldPassword,
-		NewPassword: opt.newPassword,
+		OldPassword: crypto.Base64Encode(opt.oldPassword),
+		NewPassword: crypto.Base64Encode(opt.newPassword),
 	}
 }
 
diff --git a/client/milvusclient/rbac_test.go b/client/milvusclient/rbac_test.go
index 5a91c28944..8779899b62 100644
--- a/client/milvusclient/rbac_test.go
+++ b/client/milvusclient/rbac_test.go
@@ -26,6 +26,7 @@ import (
 
 	"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
 	"github.com/milvus-io/milvus-proto/go-api/v2/milvuspb"
+	"github.com/milvus-io/milvus/pkg/v2/util/crypto"
 	"github.com/milvus-io/milvus/pkg/v2/util/merr"
 )
 
@@ -102,7 +103,7 @@ func (s *UserSuite) TestCreateUser() {
 		password := s.randString(12)
 		s.mock.EXPECT().CreateCredential(mock.Anything, mock.Anything).RunAndReturn(func(ctx context.Context, ccr *milvuspb.CreateCredentialRequest) (*commonpb.Status, error) {
 			s.Equal(userName, ccr.GetUsername())
-			s.Equal(password, ccr.GetPassword())
+			s.Equal(crypto.Base64Encode(password), ccr.GetPassword())
 			return merr.Success(), nil
 		}).Once()
 
@@ -121,8 +122,8 @@ func (s *UserSuite) TestUpdatePassword() {
 		newPassword := s.randString(12)
 		s.mock.EXPECT().UpdateCredential(mock.Anything, mock.Anything).RunAndReturn(func(ctx context.Context, ucr *milvuspb.UpdateCredentialRequest) (*commonpb.Status, error) {
 			s.Equal(userName, ucr.GetUsername())
-			s.Equal(oldPassword, ucr.GetOldPassword())
-			s.Equal(newPassword, ucr.GetNewPassword())
+			s.Equal(crypto.Base64Encode(oldPassword), ucr.GetOldPassword())
+			s.Equal(crypto.Base64Encode(newPassword), ucr.GetNewPassword())
 			return merr.Success(), nil
 		}).Once()