diff --git a/client/suite.go b/client/suite.go
index f048564..ddbbb47 100644
--- a/client/suite.go
+++ b/client/suite.go
@@ -20,13 +20,6 @@ import (
 	"github.com/kitex-contrib/config-zookeeper/zookeeper"
 )
 
-const (
-	retryConfigName          = "retry"
-	rpcTimeoutConfigName     = "rpc_timeout"
-	circuitBreakerConfigName = "circuit_break"
-	degradationConfigName    = "degradation"
-)
-
 // ZookeeperClientSuite zookeeper client config suite, configure retry timeout limit and circuitbreak dynamically from zookeeper.
 type ZookeeperClientSuite = cwclient.ZookeeperClientSuite
 
diff --git a/pkg/degradation/item_degradation.go b/pkg/degradation/item_degradation.go
index ee1c096..c414af8 100644
--- a/pkg/degradation/item_degradation.go
+++ b/pkg/degradation/item_degradation.go
@@ -18,11 +18,6 @@ import (
 	degradation "github.com/cloudwego-contrib/cwgo-pkg/config/zookeeper/pkg/degradation"
 )
 
-var defaultConfig = &Config{
-	Enable:     false,
-	Percentage: 0,
-}
-
 type Config = degradation.Config
 
 // Container is a wrapper for Config
diff --git a/server/suite.go b/server/suite.go
index 0e6f04d..deff21f 100644
--- a/server/suite.go
+++ b/server/suite.go
@@ -20,10 +20,6 @@ import (
 	"github.com/kitex-contrib/config-zookeeper/zookeeper"
 )
 
-const (
-	limiterConfigName = "limit"
-)
-
 // ZookeeperServerSuite  zookeeper server config suite, configure limiter config dynamically from zookeeper .
 type ZookeeperServerSuite = cwserver.ZookeeperServerSuite
 
diff --git a/zookeeper/parser.go b/zookeeper/parser.go
index 9b6781b..7887d20 100644
--- a/zookeeper/parser.go
+++ b/zookeeper/parser.go
@@ -14,7 +14,9 @@
 
 package zookeeper
 
-import "encoding/json"
+import (
+	utils "github.com/cloudwego-contrib/cwgo-pkg/config/common"
+)
 
 const ( //`{{$Prefix}}/{{$ClientName}}/{{$ServerName}}/{{$ConfigCategory}}`
 	ZookeeperDefaultServer     = "127.0.0.1:2181"
@@ -28,24 +30,12 @@ type CustomFunction func(*ConfigParam)
 
 // ConfigParamConfig use for render the path info by go template, ref: https://pkg.go.dev/text/template
 // The fixed key shows as below.
-type ConfigParamConfig struct {
-	Category          string
-	ClientServiceName string
-	ServerServiceName string
-}
+type ConfigParamConfig = utils.ConfigParamConfig
 
 // ConfigParser the parser for zookeeper config.
-type ConfigParser interface {
-	Decode(data string, config interface{}) error
-}
-type parser struct{}
-
-// Decode decodes the data to struct in specified format.
-func (p *parser) Decode(data string, config interface{}) error {
-	return json.Unmarshal([]byte(data), config)
-}
+type ConfigParser = utils.ConfigParser
 
 // DefaultConfigParser default zookeeper config parser.
-func defaultConfigParser() ConfigParser {
-	return &parser{}
+func DefaultConfigParser() ConfigParser {
+	return utils.DefaultConfigParse()
 }
diff --git a/zookeeper/uid.go b/zookeeper/uid.go
index 7e91f33..7144e6f 100644
--- a/zookeeper/uid.go
+++ b/zookeeper/uid.go
@@ -18,8 +18,6 @@ import (
 	cwzook "github.com/cloudwego-contrib/cwgo-pkg/config/zookeeper/zookeeper"
 )
 
-var uniqueID int64
-
 // GetUniqueID get the unique id
 func GetUniqueID() int64 {
 	return cwzook.GetUniqueID()