diff --git a/README.md b/README.md
index d531dbf..219be21 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,10 @@ func main() {
 	}))
 
 	// use redis cluster store
-	// redis.NewRedisClusterStore()
+	// manager.MapTokenStorage(redis.NewRedisClusterStore(&redis.ClusterOptions{
+	// 	Addrs: []string{"127.0.0.1:6379"},
+	// 	DB: 15,
+	// }))
 }
 ```
 
diff --git a/redis.go b/redis.go
index 14e5984..6ae72bf 100644
--- a/redis.go
+++ b/redis.go
@@ -5,7 +5,7 @@ import (
 	"time"
 
 	"github.com/go-redis/redis"
-	"github.com/json-iterator/go"
+	jsoniter "github.com/json-iterator/go"
 	"gopkg.in/oauth2.v3"
 	"gopkg.in/oauth2.v3/models"
 	"gopkg.in/oauth2.v3/utils/uuid"
@@ -59,6 +59,7 @@ func NewRedisClusterStoreWithCli(cli *redis.ClusterClient, keyNamespace ...strin
 
 type clienter interface {
 	Get(key string) *redis.StringCmd
+	Exists(key ...string) *redis.IntCmd
 	TxPipeline() redis.Pipeliner
 	Del(keys ...string) *redis.IntCmd
 	Close() error
@@ -79,12 +80,104 @@ func (s *TokenStore) wrapperKey(key string) string {
 	return fmt.Sprintf("%s%s", s.ns, key)
 }
 
+func (s *TokenStore) checkError(result redis.Cmder) (bool, error) {
+	if err := result.Err(); err != nil {
+		if err == redis.Nil {
+			return true, nil
+		}
+		return false, err
+	}
+	return false, nil
+}
+
+// remove
+func (s *TokenStore) remove(key string) error {
+	result := s.cli.Del(s.wrapperKey(key))
+	_, err := s.checkError(result)
+	return err
+}
+
+func (s *TokenStore) removeToken(tokenString string, isRefresh bool) error {
+	basicID, err := s.getBasicID(tokenString)
+	if err != nil {
+		return err
+	} else if basicID == "" {
+		return nil
+	}
+
+	err = s.remove(tokenString)
+	if err != nil {
+		return err
+	}
+
+	token, err := s.getToken(basicID)
+	if err != nil {
+		return err
+	} else if token == nil {
+		return nil
+	}
+
+	checkToken := token.GetRefresh()
+	if isRefresh {
+		checkToken = token.GetAccess()
+	}
+	iresult := s.cli.Exists(s.wrapperKey(checkToken))
+	if err := iresult.Err(); err != nil && err != redis.Nil {
+		return err
+	} else if iresult.Val() == 0 {
+		return s.remove(basicID)
+	}
+
+	return nil
+}
+
+func (s *TokenStore) parseToken(result *redis.StringCmd) (oauth2.TokenInfo, error) {
+	if ok, err := s.checkError(result); err != nil {
+		return nil, err
+	} else if ok {
+		return nil, nil
+	}
+
+	buf, err := result.Bytes()
+	if err != nil {
+		if err == redis.Nil {
+			return nil, nil
+		}
+		return nil, err
+	}
+
+	var token models.Token
+	if err := jsonUnmarshal(buf, &token); err != nil {
+		return nil, err
+	}
+	return &token, nil
+}
+
+func (s *TokenStore) getToken(key string) (oauth2.TokenInfo, error) {
+	result := s.cli.Get(s.wrapperKey(key))
+	return s.parseToken(result)
+}
+
+func (s *TokenStore) parseBasicID(result *redis.StringCmd) (string, error) {
+	if ok, err := s.checkError(result); err != nil {
+		return "", err
+	} else if ok {
+		return "", nil
+	}
+	return result.Val(), nil
+}
+
+func (s *TokenStore) getBasicID(token string) (string, error) {
+	result := s.cli.Get(s.wrapperKey(token))
+	return s.parseBasicID(result)
+}
+
 // Create Create and store the new token information
-func (s *TokenStore) Create(info oauth2.TokenInfo) (err error) {
+func (s *TokenStore) Create(info oauth2.TokenInfo) error {
 	ct := time.Now()
 	jv, err := jsonMarshal(info)
 	if err != nil {
-		return
+		return err
 	}
 
 	pipe := s.cli.TxPipeline()
@@ -107,99 +200,46 @@ func (s *TokenStore) Create(info oauth2.TokenInfo) (err error) {
 		pipe.Set(s.wrapperKey(basicID), jv, rexp)
 	}
 
-	if _, verr := pipe.Exec(); verr != nil {
-		err = verr
+	if _, err := pipe.Exec(); err != nil {
+		return err
 	}
-	return
-}
-
-// remove
-func (s *TokenStore) remove(key string) (err error) {
-	_, verr := s.cli.Del(s.wrapperKey(key)).Result()
-	if verr != redis.Nil {
-		err = verr
-	}
-	return
+	return nil
 }
 
 // RemoveByCode Use the authorization code to delete the token information
-func (s *TokenStore) RemoveByCode(code string) (err error) {
-	err = s.remove(code)
-	return
+func (s *TokenStore) RemoveByCode(code string) error {
+	return s.remove(code)
 }
 
 // RemoveByAccess Use the access token to delete the token information
-func (s *TokenStore) RemoveByAccess(access string) (err error) {
-	err = s.remove(access)
-	return
+func (s *TokenStore) RemoveByAccess(access string) error {
+	return s.removeToken(access, false)
 }
 
 // RemoveByRefresh Use the refresh token to delete the token information
-func (s *TokenStore) RemoveByRefresh(refresh string) (err error) {
-	err = s.remove(refresh)
-	return
-}
-
-func (s *TokenStore) getData(key string) (ti oauth2.TokenInfo, err error) {
-	result := s.cli.Get(s.wrapperKey(key))
-	if verr := result.Err(); verr != nil {
-		if verr == redis.Nil {
-			return
-		}
-		err = verr
-		return
-	}
-
-	iv, err := result.Bytes()
-	if err != nil {
-		return
-	}
-
-	var tm models.Token
-	if verr := jsonUnmarshal(iv, &tm); verr != nil {
-		err = verr
-		return
-	}
-
-	ti = &tm
-	return
-}
-
-func (s *TokenStore) getBasicID(token string) (basicID string, err error) {
-	tv, verr := s.cli.Get(s.wrapperKey(token)).Result()
-	if verr != nil {
-		if verr == redis.Nil {
-			return
-		}
-		err = verr
-		return
-	}
-	basicID = tv
-	return
+func (s *TokenStore) RemoveByRefresh(refresh string) error {
+	return s.removeToken(refresh, false)
 }
 
 // GetByCode Use the authorization code for token information data
-func (s *TokenStore) GetByCode(code string) (ti oauth2.TokenInfo, err error) {
-	ti, err = s.getData(code)
-	return
+func (s *TokenStore) GetByCode(code string) (oauth2.TokenInfo, error) {
+	return s.getToken(code)
 }
 
 // GetByAccess Use the access token for token information data
-func (s *TokenStore) GetByAccess(access string) (ti oauth2.TokenInfo, err error) {
+func (s *TokenStore) GetByAccess(access string) (oauth2.TokenInfo, error) {
 	basicID, err := s.getBasicID(access)
 	if err != nil || basicID == "" {
-		return
+		return nil, err
 	}
-	ti, err = s.getData(basicID)
-	return
+	return s.getToken(basicID)
 }
 
 // GetByRefresh Use the refresh token for token information data
-func (s *TokenStore) GetByRefresh(refresh string) (ti oauth2.TokenInfo, err error) {
+func (s *TokenStore) GetByRefresh(refresh string) (oauth2.TokenInfo, error) {
 	basicID, err := s.getBasicID(refresh)
 	if err != nil || basicID == "" {
-		return
+		return nil, err
 	}
-	ti, err = s.getData(basicID)
-	return
+	return s.getToken(basicID)
 }