diff --git a/api/api.go b/api/api.go
index 64ba41f69..26a28a405 100644
--- a/api/api.go
+++ b/api/api.go
@@ -89,8 +89,8 @@ type FullNode interface {
 	WalletSign(context.Context, address.Address, []byte) (*types.Signature, error)
 	WalletSignMessage(context.Context, address.Address, *types.Message) (*types.SignedMessage, error)
 	WalletDefaultAddress(context.Context) (address.Address, error)
-	WalletExport(context.Context, address.Address) ([]byte, error)
-	WalletImport(context.Context, []byte) (address.Address, error)
+	WalletExport(context.Context, address.Address) (*types.KeyInfo, error)
+	WalletImport(context.Context, *types.KeyInfo) (address.Address, error)
 
 	// Other
 
diff --git a/api/struct.go b/api/struct.go
index 1ea621942..49cd0b222 100644
--- a/api/struct.go
+++ b/api/struct.go
@@ -67,8 +67,8 @@ type FullNodeStruct struct {
 		WalletSign           func(context.Context, address.Address, []byte) (*types.Signature, error)             `perm:"sign"`
 		WalletSignMessage    func(context.Context, address.Address, *types.Message) (*types.SignedMessage, error) `perm:"sign"`
 		WalletDefaultAddress func(context.Context) (address.Address, error)                                       `perm:"write"`
-		WalletExport         func(context.Context, address.Address) ([]byte, error)                               `perm:"admin"`
-		WalletImport         func(context.Context, []byte) (address.Address, error)                               `perm:"admin"`
+		WalletExport         func(context.Context, address.Address) (*types.KeyInfo, error)                       `perm:"admin"`
+		WalletImport         func(context.Context, *types.KeyInfo) (address.Address, error)                       `perm:"admin"`
 
 		MpoolGetNonce func(context.Context, address.Address) (uint64, error) `perm:"read"`
 
@@ -271,12 +271,12 @@ func (c *FullNodeStruct) WalletDefaultAddress(ctx context.Context) (address.Addr
 	return c.Internal.WalletDefaultAddress(ctx)
 }
 
-func (c *FullNodeStruct) WalletExport(ctx context.Context, a address.Address) ([]byte, error) {
+func (c *FullNodeStruct) WalletExport(ctx context.Context, a address.Address) (*types.KeyInfo, error) {
 	return c.Internal.WalletExport(ctx, a)
 }
 
-func (c *FullNodeStruct) WalletImport(ctx context.Context, b []byte) (address.Address, error) {
-	return c.Internal.WalletImport(ctx, b)
+func (c *FullNodeStruct) WalletImport(ctx context.Context, ki *types.KeyInfo) (address.Address, error) {
+	return c.Internal.WalletImport(ctx, ki)
 }
 
 func (c *FullNodeStruct) MpoolGetNonce(ctx context.Context, addr address.Address) (uint64, error) {
diff --git a/chain/wallet/wallet.go b/chain/wallet/wallet.go
index eee341672..3f3ee86c2 100644
--- a/chain/wallet/wallet.go
+++ b/chain/wallet/wallet.go
@@ -2,7 +2,6 @@ package wallet
 
 import (
 	"context"
-	"encoding/json"
 	"sort"
 	"strings"
 	"sync"
@@ -97,26 +96,28 @@ func (w *Wallet) findKey(addr address.Address) (*Key, error) {
 	return k, nil
 }
 
-func (w *Wallet) Export(addr address.Address) ([]byte, error) {
+func (w *Wallet) Export(addr address.Address) (*types.KeyInfo, error) {
 	k, err := w.findKey(addr)
 	if err != nil {
 		return nil, xerrors.Errorf("failed to find key to export: %w", err)
 	}
 
-	return json.Marshal(k)
+	return &k.KeyInfo, nil
 }
 
-func (w *Wallet) Import(kdata []byte) (address.Address, error) {
-	var ki types.KeyInfo
-	if err := json.Unmarshal(kdata, &ki); err != nil {
-		return address.Undef, xerrors.Errorf("failed to unmarshal input data: %w", err)
-	}
+func (w *Wallet) Import(ki *types.KeyInfo) (address.Address, error) {
+	w.lk.Lock()
+	defer w.lk.Unlock()
 
-	k, err := NewKey(ki)
+	k, err := NewKey(*ki)
 	if err != nil {
 		return address.Undef, xerrors.Errorf("failed to make key: %w", err)
 	}
 
+	if err := w.keystore.Put(KNamePrefix+k.Address.String(), k.KeyInfo); err != nil {
+		return address.Undef, xerrors.Errorf("saving to keystore: %w", err)
+	}
+
 	return k.Address, nil
 }
 
diff --git a/cli/wallet.go b/cli/wallet.go
index bbbf931a6..07d0c0b99 100644
--- a/cli/wallet.go
+++ b/cli/wallet.go
@@ -2,9 +2,11 @@ package cli
 
 import (
 	"encoding/hex"
+	"encoding/json"
 	"fmt"
 
 	"github.com/filecoin-project/go-lotus/chain/address"
+	types "github.com/filecoin-project/go-lotus/chain/types"
 	"gopkg.in/urfave/cli.v2"
 )
 
@@ -121,7 +123,12 @@ var walletExport = &cli.Command{
 			return err
 		}
 
-		b, err := api.WalletExport(ctx, addr)
+		ki, err := api.WalletExport(ctx, addr)
+		if err != nil {
+			return err
+		}
+
+		b, err := json.Marshal(ki)
 		if err != nil {
 			return err
 		}
@@ -151,7 +158,12 @@ var walletImport = &cli.Command{
 			return err
 		}
 
-		addr, err := api.WalletImport(ctx, data)
+		var ki types.KeyInfo
+		if err := json.Unmarshal(data, &ki); err != nil {
+			return err
+		}
+
+		addr, err := api.WalletImport(ctx, &ki)
 		if err != nil {
 			return err
 		}
diff --git a/node/impl/full/wallet.go b/node/impl/full/wallet.go
index 90c740351..338159bd8 100644
--- a/node/impl/full/wallet.go
+++ b/node/impl/full/wallet.go
@@ -69,10 +69,10 @@ func (a *WalletAPI) WalletDefaultAddress(ctx context.Context) (address.Address,
 	return addrs[0], nil
 }
 
-func (a *WalletAPI) WalletExport(ctx context.Context, addr address.Address) ([]byte, error) {
+func (a *WalletAPI) WalletExport(ctx context.Context, addr address.Address) (*types.KeyInfo, error) {
 	return a.Wallet.Export(addr)
 }
 
-func (a *WalletAPI) WalletImport(ctx context.Context, b []byte) (address.Address, error) {
-	return a.Wallet.Import(b)
+func (a *WalletAPI) WalletImport(ctx context.Context, ki *types.KeyInfo) (address.Address, error) {
+	return a.Wallet.Import(ki)
 }