change package (#21)

diff --git a/config/config.go b/config/config.go
index bf16410..db7ea4d 100644
--- a/config/config.go
+++ b/config/config.go
@@ -18,7 +18,7 @@
 package config
 
 import (
-	"github.com/go-chassis/go-chassis/core/archaius"
+	"github.com/go-chassis/go-archaius"
 	"github.com/go-chassis/go-chassis/core/config"
 	"github.com/go-chassis/go-chassis/core/config/model"
 	"github.com/go-chassis/go-chassis/core/lager"
diff --git a/docs/index.rst b/docs/index.rst
index de5d27e..17e0a0c 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -14,6 +14,7 @@
    get-started
    configuration
    protocols
+   istio-guides
    sidecar
 
 
diff --git a/go.mod b/go.mod
index 18e3f27..ac6efbd 100644
--- a/go.mod
+++ b/go.mod
@@ -2,69 +2,52 @@
 
 require (
 	github.com/Shopify/toxiproxy v2.1.3+incompatible // indirect
-	github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/eapache/go-resiliency v1.1.0 // indirect
-	github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21 // indirect
-	github.com/eapache/queue v1.1.0 // indirect
 	github.com/emicklei/go-restful-swagger12 v0.0.0-20170926063155-7524189396c6 // indirect
 	github.com/envoyproxy/go-control-plane v0.6.0
 	github.com/ghodss/yaml v1.0.0 // indirect
+	github.com/go-chassis/go-archaius v0.0.0-20181108111652-ab19b4eae276
 
-	github.com/go-chassis/go-cc-client v0.0.0-20180831085349-c2bb6cef1640
-	github.com/go-chassis/go-chassis v0.8.4-0.20180928015049-b4c551ac46e1
+	github.com/go-chassis/go-cc-client v0.0.0-20181102101915-dea430061a34
+	github.com/go-chassis/go-chassis v1.0.2-0.20181109020043-b3581bd78ddc
 	github.com/go-chassis/gohessian v0.0.0-20180702061429-e5130c25af55
-	github.com/go-logfmt/logfmt v0.3.0 // indirect
 	github.com/go-mesh/openlogging v0.0.0-20180912071658-0fd4707a75ab
-	github.com/gogo/googleapis v1.1.0 // indirect
 	github.com/gogo/protobuf v1.1.1
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b // indirect
-	github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db // indirect
 	github.com/google/gofuzz v0.0.0-20170612174753-24818f796faf // indirect
 	github.com/imdario/mergo v0.3.6 // indirect
-	github.com/jtolds/gls v4.2.1+incompatible // indirect
-	github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515 // indirect
-	github.com/lyft/protoc-gen-validate v0.0.10 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/onsi/gomega v1.4.2 // indirect
-	github.com/opentracing-contrib/go-observer v0.0.0-20170622124052-a52f23424492 // indirect
 	github.com/patrickmn/go-cache v2.1.0+incompatible
-	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_golang v0.8.0
 	github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910
-	github.com/prometheus/common v0.0.0-20181020173914-7e9e6cabbd39 // indirect
-	github.com/spf13/pflag v1.0.3 // indirect
-	github.com/stretchr/objx v0.1.1 // indirect
 	github.com/stretchr/testify v1.2.2
 	github.com/uber-go/atomic v1.3.2 // indirect
 	github.com/urfave/cli v0.0.0-20180821064027-934abfb2f102
 	go.uber.org/atomic v1.3.2 // indirect
 	golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16 // indirect
 	golang.org/x/net v0.0.0-20180906233101-161cd47e91fd
-	golang.org/x/sys v0.0.0-20181031143558-9b800f95dbbc // indirect
 	golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2 // indirect
 	google.golang.org/genproto v0.0.0-20181101192439-c830210a61df // indirect
 	google.golang.org/grpc v1.14.0
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.2.1
-	k8s.io/apimachinery v0.0.0-20180823151430-fda675fbe85280c4550452dae2a5ebf74e4a59b7
-	k8s.io/client-go v8.0.0+incompatible
+	k8s.io/apimachinery v0.0.0-20181022183627-f71dbbc36e12
+	k8s.io/client-go v9.0.0+incompatible
 )
 
 replace (
 	cloud.google.com/go v0.28.0 => github.com/GoogleCloudPlatform/google-cloud-go v0.28.0
 	github.com/envoyproxy/go-control-plane v0.6.0 => github.com/envoyproxy/go-control-plane v0.0.0-20180918192855-2137d919632883e52e7786f55f0f84e52a44fbf3
 	github.com/kubernetes/client-go => ../k8s.io/client-go
-	golang.org/x/crypto v0.0.0-20180820150726-614d502a4dac => github.com/golang/crypto v0.0.0-20180820150726-614d502a4dac
-	golang.org/x/net v0.0.0-20180724234803-3673e40ba225 => github.com/golang/net v0.0.0-20180724234803-3673e40ba225
-	golang.org/x/net v0.0.0-20180824152047-4bcd98cce591 => github.com/golang/net v0.0.0-20180824152047-4bcd98cce591
+	golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16 => github.com/golang/crypto v0.0.0-20181030102418-4d3f4d9ffa16
+	golang.org/x/net v0.0.0-20180906233101-161cd47e91fd => github.com/golang/net v0.0.0-20180906233101-161cd47e91fd
+	golang.org/x/oauth2 v0.0.0-20180207181906-543e37812f10 => github.com/golang/oauth2 v0.0.0-20180207181906-543e37812f10
+	golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f => github.com/golang/sync v0.0.0-20180314180146-1d60e4601c6f
+	golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e => github.com/golang/sys v0.0.0-20180909124046-d0be0721c37e
+	golang.org/x/sys v0.0.0-20181031143558-9b800f95dbbc => github.com/golang/sys v0.0.0-20181031143558-9b800f95dbbc
 
-	golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be => github.com/golang/oauth2 v0.0.0-20180821212333-d2e6202438be
-	golang.org/x/sys v0.0.0-20180824143301-4910a1d54f87 => github.com/golang/sys v0.0.0-20180824143301-4910a1d54f87
 	golang.org/x/text v0.3.0 => github.com/golang/text v0.3.0
 	golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2 => github.com/golang/time v0.0.0-20180412165947-fbb02b2291d2
 	google.golang.org/appengine v1.2.0 => github.com/golang/appengine v1.2.0
-	google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8 => github.com/google/go-genproto v0.0.0-20180817151627-c66870c02cf8
+	google.golang.org/genproto v0.0.0-20181101192439-c830210a61df => github.com/google/go-genproto v0.0.0-20181101192439-c830210a61df
 	google.golang.org/grpc v1.14.0 => github.com/grpc/grpc-go v1.14.0
 )
diff --git a/mesher.go b/mesher.go
index ffef432..128aa25 100644
--- a/mesher.go
+++ b/mesher.go
@@ -10,7 +10,7 @@
 	_ "github.com/go-mesh/mesher/protocol/dubbo/server"
 	_ "github.com/go-mesh/mesher/protocol/dubbo/simpleRegistry"
 
-	_ "github.com/go-chassis/go-chassis/config-center" //use config center
+	_ "github.com/go-chassis/go-chassis/configcenter" //use config center
 	//protocols
 	_ "github.com/go-mesh/mesher/protocol/grpc"
 	_ "github.com/go-mesh/mesher/protocol/http"
diff --git a/plugins/registry/istiov2/cache.go b/plugins/registry/istiov2/cache.go
index ec05328..518b329 100644
--- a/plugins/registry/istiov2/cache.go
+++ b/plugins/registry/istiov2/cache.go
@@ -9,7 +9,7 @@
 	apiv2endpoint "github.com/envoyproxy/go-control-plane/envoy/api/v2/endpoint"
 	istioinfra "github.com/go-mesh/mesher/pkg/infras/istio"
 
-	"github.com/go-chassis/go-chassis/core/archaius"
+	"github.com/go-chassis/go-archaius"
 	"github.com/go-chassis/go-chassis/core/common"
 	"github.com/go-chassis/go-chassis/core/config"
 	"github.com/go-chassis/go-chassis/core/lager"