diff --git a/cmd/format.go b/cmd/format.go
index 04e892c7a8e8..8eecff508d32 100644
--- a/cmd/format.go
+++ b/cmd/format.go
@@ -242,7 +242,7 @@ func createStorage(format meta.Format) (object.ObjectStorage, error) {
 		if err != nil {
 			return nil, fmt.Errorf("incorrect passphrase: %s", err)
 		}
-		encryptor, err := object.NewDataEncryptor(object.NewRSAEncryptor(privKey), format.EncryptAglo)
+		encryptor, err := object.NewDataEncryptor(object.NewRSAEncryptor(privKey), format.EncryptAlgo)
 		if err != nil {
 			return nil, err
 		}
@@ -385,7 +385,7 @@ func format(c *cli.Context) error {
 				format.HashPrefix = c.Bool(flag)
 			case "storage":
 				format.Storage = c.String(flag)
-			case "encrypt-rsa-key":
+			case "encrypt-rsa-key", "encrypt-algo":
 				logger.Warnf("Flag %s is ignored since it cannot be updated", flag)
 			}
 		}
@@ -400,7 +400,7 @@ func format(c *cli.Context) error {
 			SecretKey:    c.String("secret-key"),
 			SessionToken: c.String("session-token"),
 			EncryptKey:   loadEncrypt(c.String("encrypt-rsa-key")),
-			EncryptAglo:  c.String("encrypt-aglo"),
+			EncryptAlgo:  c.String("encrypt-algo"),
 			Shards:       c.Int("shards"),
 			HashPrefix:   c.Bool("hash-prefix"),
 			Capacity:     c.Uint64("capacity") << 30,
diff --git a/pkg/meta/config.go b/pkg/meta/config.go
index 7c5e620ec353..362d1086a011 100644
--- a/pkg/meta/config.go
+++ b/pkg/meta/config.go
@@ -58,7 +58,7 @@ type Format struct {
 	Capacity         uint64 `json:",omitempty"`
 	Inodes           uint64 `json:",omitempty"`
 	EncryptKey       string `json:",omitempty"`
-	EncryptAglo      string `json:",omitempty"`
+	EncryptAlgo      string `json:",omitempty"`
 	KeyEncrypted     bool   `json:",omitempty"`
 	TrashDays        int    `json:",omitempty"`
 	MetaVersion      int    `json:",omitempty"`
diff --git a/pkg/object/encrypt_test.go b/pkg/object/encrypt_test.go
index 80c5eeb4e907..686ec85f5b6a 100644
--- a/pkg/object/encrypt_test.go
+++ b/pkg/object/encrypt_test.go
@@ -124,9 +124,21 @@ func BenchmarkRSA4096Decrypt(b *testing.B) {
 	}
 }
 
+func TestChaCha20(t *testing.T) {
+	kc := NewRSAEncryptor(testkey)
+	dc, _ := NewDataEncryptor(kc, CHACHA20_RSA)
+	data := []byte("hello")
+	ciphertext, _ := dc.Encrypt(data)
+	plaintext, _ := dc.Decrypt(ciphertext)
+	if !bytes.Equal(data, plaintext) {
+		t.Errorf("decrypt fail")
+		t.Fail()
+	}
+}
+
 func TestAESGCM(t *testing.T) {
 	kc := NewRSAEncryptor(testkey)
-	dc := NewDataEncryptor(kc, AES256GCM_RSA)
+	dc, _ := NewDataEncryptor(kc, AES256GCM_RSA)
 	data := []byte("hello")
 	ciphertext, _ := dc.Encrypt(data)
 	plaintext, _ := dc.Decrypt(ciphertext)
@@ -139,7 +151,7 @@ func TestAESGCM(t *testing.T) {
 func TestEncryptedStore(t *testing.T) {
 	s, _ := CreateStorage("mem", "", "", "", "")
 	kc := NewRSAEncryptor(testkey)
-	dc := NewDataEncryptor(kc, AES256GCM_RSA)
+	dc, _ := NewDataEncryptor(kc, AES256GCM_RSA)
 	es := NewEncrypted(s, dc)
 	_ = es.Put("a", bytes.NewReader([]byte("hello")))
 	r, err := es.Get("a", 1, 2)
diff --git a/pkg/object/object_storage_test.go b/pkg/object/object_storage_test.go
index a36ca41270a6..68f8cdb5f015 100644
--- a/pkg/object/object_storage_test.go
+++ b/pkg/object/object_storage_test.go
@@ -527,7 +527,7 @@ func TestEncrypted(t *testing.T) {
 	s, _ := CreateStorage("mem", "", "", "", "")
 	privkey, _ := rsa.GenerateKey(rand.Reader, 2048)
 	kc := NewRSAEncryptor(privkey)
-	dc := NewDataEncryptor(kc, AES256GCM_RSA)
+	dc, _ := NewDataEncryptor(kc, AES256GCM_RSA)
 	es := NewEncrypted(s, dc)
 	testStorage(t, es)
 }