diff --git a/cluster/parsecfg.go b/cluster/parsecfg.go
index 893a3f2..2a62b49 100644
--- a/cluster/parsecfg.go
+++ b/cluster/parsecfg.go
@@ -1,14 +1,16 @@
 package cluster
 
 import (
-	"encoding/json"
 	"fmt"
 	"github.com/duanhf2012/origin/log"
 	"github.com/duanhf2012/origin/rpc"
+	jsoniter "github.com/json-iterator/go"
 	"io/ioutil"
 	"strings"
 )
 
+var json = jsoniter.ConfigCompatibleWithStandardLibrary
+
 func (slf *Cluster) ReadClusterConfig(filepath string) (*SubNet,error) {
 	c := &SubNet{}
 	d, err := ioutil.ReadFile(filepath)
diff --git a/rpc/jsonprocessor.go b/rpc/jsonprocessor.go
index 107964e..3fd2247 100644
--- a/rpc/jsonprocessor.go
+++ b/rpc/jsonprocessor.go
@@ -1,10 +1,12 @@
 package rpc
 
 import (
-	"encoding/json"
+	jsoniter "github.com/json-iterator/go"
 	"sync"
 )
 
+var json = jsoniter.ConfigCompatibleWithStandardLibrary
+
 type JsonProcessor struct {
 }
 
diff --git a/sysservice/httpservice.go b/sysservice/httpservice.go
index be01f75..bf53247 100644
--- a/sysservice/httpservice.go
+++ b/sysservice/httpservice.go
@@ -1,12 +1,12 @@
 package sysservice
 
 import (
-	"encoding/json"
 	"fmt"
 	"github.com/duanhf2012/origin/event"
 	"github.com/duanhf2012/origin/network"
 	"github.com/duanhf2012/origin/service"
 	"github.com/duanhf2012/origin/util/uuid"
+	jsoniter "github.com/json-iterator/go"
 	"io"
 	"io/ioutil"
 	"net/http"
@@ -15,6 +15,8 @@ import (
 	"time"
 )
 
+var json = jsoniter.ConfigCompatibleWithStandardLibrary
+
 var Default_ReadTimeout time.Duration = time.Second*10
 var Default_WriteTimeout time.Duration = time.Second*10
 var Default_ProcessTimeout time.Duration = time.Second*10