diff --git a/storage/volume/config.go b/storage/volume/config.go
index 7154242e2..79acc64ef 100644
--- a/storage/volume/config.go
+++ b/storage/volume/config.go
@@ -6,10 +6,10 @@ import (
 
 // Config represents volume config struct.
 type Config struct {
-	ControlAddress string
-	Timeout        time.Duration // operation timeout.
-	RemoveVolume   bool
-	DefaultBackend string `json:"volume-default-driver"`
-	VolumeMetaPath string `json:"volume-meta-dir"`
-	DriverAlias    string `json:"volume-driver-alias"`
+	ControlServerAddress string        `json:"control-server-address"` // control server address in csi.
+	Timeout              time.Duration `json:"volume-timeout"`         // operation timeout.
+	RemoveVolume         bool          `json:"remove-volume"`          // remove volume add data or volume's metadata when remove pouch volume.
+	DefaultBackend       string        `json:"volume-default-driver"`  // default volume backend.
+	VolumeMetaPath       string        `json:"volume-meta-dir"`        // volume metadata store path.
+	DriverAlias          string        `json:"volume-driver-alias"`    // driver alias configure.
 }
diff --git a/storage/volume/core.go b/storage/volume/core.go
index 41f3cdf41..946290c31 100644
--- a/storage/volume/core.go
+++ b/storage/volume/core.go
@@ -27,9 +27,9 @@ type Core struct {
 // NewCore returns Core struct instance with volume config.
 func NewCore(cfg Config) (*Core, error) {
 	c := &Core{Config: cfg}
-	if cfg.ControlAddress != "" {
+	if cfg.ControlServerAddress != "" {
 		c.EnableControl = true
-		c.BaseURL = cfg.ControlAddress
+		c.BaseURL = cfg.ControlServerAddress
 	} else {
 		c.EnableControl = false
 	}
diff --git a/storage/volume/modules/ceph/ceph.go b/storage/volume/modules/ceph/ceph.go
index 9a2418ab4..6c107f053 100644
--- a/storage/volume/modules/ceph/ceph.go
+++ b/storage/volume/modules/ceph/ceph.go
@@ -126,7 +126,7 @@ func (c *Ceph) Options() map[string]types.Option {
 func (c *Ceph) Format(ctx driver.Context, v *types.Volume, s *types.Storage) error {
 	ctx.Log.Debugf("Ceph format volume: %s", v.Name)
 
-	device, err := rbdMap(ctx, v, s.Spec.Address, s.Spec.Key)
+	device, err := rbdMap(ctx, v, s.Spec.Address, s.Spec.Keyring)
 	if err != nil {
 		ctx.Log.Errorf("Ceph map volume: %s failed: %v", v.Name, err)
 		return err
@@ -159,7 +159,7 @@ func (c *Ceph) Attach(ctx driver.Context, v *types.Volume, s *types.Storage) err
 	volumePath := v.Path()
 
 	// Map rbd device
-	devName, err := rbdMap(ctx, v, s.Spec.Address, s.Spec.Key)
+	devName, err := rbdMap(ctx, v, s.Spec.Address, s.Spec.Keyring)
 	if err != nil {
 		ctx.Log.Errorf("Ceph volume: %s map error: %v", v.Name, err)
 		return err
@@ -257,7 +257,7 @@ func (c *Ceph) Report(ctx driver.Context) ([]*types.Storage, error) {
 	}
 	keyring := fmt.Sprintf("%s:%s", "admin", key.Value())
 	encoded := base64.StdEncoding.EncodeToString([]byte(keyring))
-	s.Spec.Key = encoded
+	s.Spec.Keyring = encoded
 
 	// get ceph quorum status
 	cmd := NewCephCommand("ceph", conf)
diff --git a/storage/volume/types/storage.go b/storage/volume/types/storage.go
index b45305d29..e1425e930 100644
--- a/storage/volume/types/storage.go
+++ b/storage/volume/types/storage.go
@@ -8,13 +8,13 @@ import (
 
 // StorageSpec represents storage spec.
 type StorageSpec struct {
-	Type     string              `json:"type"`           // storage type
-	ID       string              `json:"id,omitempty"`   // storage uid or unique name
-	Name     string              `json:"name,omitempty"` // storage cluster name
-	Key      string              `json:"key,omitempty"`  // storage access key
-	API      string              `json:"api"`            // gateway address
-	Address  string              `json:"address"`        // for ceph it's monitor ip:port,ip:port, pangu2's river master
-	PoolSpec map[string]PoolSpec `json:"poolspec"`       // storage pool spec
+	Type     string              `json:"type"`         // storage type
+	ID       string              `json:"id,omitempty"` // storage uid or unique name
+	Address  string              `json:"address"`      // storage address, such as ceph it's monitor ip:port,ip:port
+	PoolSpec map[string]PoolSpec `json:"poolspec"`     // storage pool spec
+
+	ClusterName string `json:"clustername,omitempty"` // storage cluster name
+	Keyring     string `json:"keyring,omitempty"`     // storage access key, such as ceph's keyring user:secret
 }
 
 // PoolSpec represents storage pool spec.
diff --git a/storage/volume/types/volume.go b/storage/volume/types/volume.go
index 4990365f1..fcd95d5af 100644
--- a/storage/volume/types/volume.go
+++ b/storage/volume/types/volume.go
@@ -87,6 +87,7 @@ type VolumeSpec struct {
 	Selector      Selector `json:"selector"`
 	Operable      bool     `json:"operable"`
 	Backend       string   `json:"backend,omitempty"`
+	MountMode     string   `json:"mountMode,omitempty"`
 	*VolumeConfig `json:"config,inline"`
 	Extra         map[string]string `json:"extra"`
 }