diff --git a/examples/echo/tcp-echo/client/app/main.go b/examples/echo/tcp-echo/client/app/main.go
index f898260..95a78be 100644
--- a/examples/echo/tcp-echo/client/app/main.go
+++ b/examples/echo/tcp-echo/client/app/main.go
@@ -25,7 +25,6 @@
 	_ "net/http/pprof"
 	"os"
 	"os/signal"
-
 	// "strings"
 	"sync/atomic"
 	"syscall"
@@ -33,10 +32,10 @@
 )
 
 import (
-	gxnet "github.com/AlexStocks/goext/net"
-	gxtime "github.com/AlexStocks/goext/time"
 	getty "github.com/apache/dubbo-getty"
+	"github.com/dubbogo/gost/net"
 	"github.com/dubbogo/gost/sync"
+	"github.com/dubbogo/gost/time"
 )
 
 const (
diff --git a/examples/echo/tcp-echo/server/app/server.go b/examples/echo/tcp-echo/server/app/server.go
index 9b53f9e..aaa2278 100644
--- a/examples/echo/tcp-echo/server/app/server.go
+++ b/examples/echo/tcp-echo/server/app/server.go
@@ -25,15 +25,14 @@
 	_ "net/http/pprof"
 	"os"
 	"os/signal"
-
 	// "strings"
 	"syscall"
 	"time"
 )
 
 import (
-	gxnet "github.com/AlexStocks/goext/net"
 	getty "github.com/apache/dubbo-getty"
+	"github.com/dubbogo/gost/net"
 	"github.com/dubbogo/gost/sync"
 )
 
diff --git a/examples/echo/udp-echo/client/app/main.go b/examples/echo/udp-echo/client/app/main.go
index c489193..834a203 100644
--- a/examples/echo/udp-echo/client/app/main.go
+++ b/examples/echo/udp-echo/client/app/main.go
@@ -31,9 +31,9 @@
 )
 
 import (
-	gxnet "github.com/AlexStocks/goext/net"
-	gxtime "github.com/AlexStocks/goext/time"
 	getty "github.com/apache/dubbo-getty"
+	"github.com/dubbogo/gost/net"
+	"github.com/dubbogo/gost/time"
 )
 
 const (
diff --git a/examples/echo/udp-echo/server/app/server.go b/examples/echo/udp-echo/server/app/server.go
index 9e1b680..0b1207b 100644
--- a/examples/echo/udp-echo/server/app/server.go
+++ b/examples/echo/udp-echo/server/app/server.go
@@ -25,15 +25,14 @@
 	_ "net/http/pprof"
 	"os"
 	"os/signal"
-
 	// "strings"
 	"syscall"
 	"time"
 )
 
 import (
-	gxnet "github.com/AlexStocks/goext/net"
 	getty "github.com/apache/dubbo-getty"
+	"github.com/dubbogo/gost/net"
 )
 
 const (
diff --git a/examples/echo/ws-echo/client/app/main.go b/examples/echo/ws-echo/client/app/main.go
index bc0c904..416d334 100644
--- a/examples/echo/ws-echo/client/app/main.go
+++ b/examples/echo/ws-echo/client/app/main.go
@@ -25,7 +25,6 @@
 	_ "net/http/pprof"
 	"os"
 	"os/signal"
-
 	// "strings"
 	"crypto/tls"
 	"sync/atomic"
@@ -34,9 +33,9 @@
 )
 
 import (
-	gxnet "github.com/AlexStocks/goext/net"
-	gxtime "github.com/AlexStocks/goext/time"
 	getty "github.com/apache/dubbo-getty"
+	"github.com/dubbogo/gost/net"
+	"github.com/dubbogo/gost/time"
 )
 
 const (
diff --git a/examples/echo/ws-echo/server/app/server.go b/examples/echo/ws-echo/server/app/server.go
index 6f94802..838a5fe 100644
--- a/examples/echo/ws-echo/server/app/server.go
+++ b/examples/echo/ws-echo/server/app/server.go
@@ -25,7 +25,6 @@
 	_ "net/http/pprof"
 	"os"
 	"os/signal"
-
 	// "strings"
 	"crypto/tls"
 	"syscall"
@@ -33,8 +32,8 @@
 )
 
 import (
-	gxnet "github.com/AlexStocks/goext/net"
 	getty "github.com/apache/dubbo-getty"
+	"github.com/dubbogo/gost/net"
 )
 
 const (
diff --git a/examples/echo/wss-echo/client/app/main.go b/examples/echo/wss-echo/client/app/main.go
index a408b5c..25b0c98 100644
--- a/examples/echo/wss-echo/client/app/main.go
+++ b/examples/echo/wss-echo/client/app/main.go
@@ -33,9 +33,9 @@
 )
 
 import (
-	"github.com/AlexStocks/goext/net"
-	"github.com/AlexStocks/goext/time"
 	getty "github.com/apache/dubbo-getty"
+	"github.com/dubbogo/gost/net"
+	"github.com/dubbogo/gost/time"
 )
 
 const (
diff --git a/examples/echo/wss-echo/server/app/server.go b/examples/echo/wss-echo/server/app/server.go
index 9f93a02..a7b2b6a 100644
--- a/examples/echo/wss-echo/server/app/server.go
+++ b/examples/echo/wss-echo/server/app/server.go
@@ -32,8 +32,8 @@
 )
 
 import (
-	"github.com/AlexStocks/goext/net"
 	getty "github.com/apache/dubbo-getty"
+	"github.com/dubbogo/gost/net"
 )
 
 const (
diff --git a/go.mod b/go.mod
index 599372e..06b61aa 100644
--- a/go.mod
+++ b/go.mod
@@ -3,16 +3,12 @@
 go 1.14
 
 require (
-	github.com/AlexStocks/goext v0.3.3
-	github.com/AlexStocks/log4go v1.0.7 // indirect
-	github.com/dubbogo/gost v1.11.20
+	github.com/dubbogo/gost v1.11.23
 	github.com/fatih/camelcase v1.0.0 // indirect
 	github.com/fatih/structs v1.1.0 // indirect
 	github.com/golang/snappy v0.0.1
 	github.com/gorilla/websocket v1.4.2
-	github.com/juju/errors v0.0.0-20210818161939-5560c4c073ff // indirect
 	github.com/koding/multiconfig v0.0.0-20171124222453-69c27309b2d7
-	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
 	github.com/montanaflynn/stats v0.6.6
 	github.com/pkg/errors v0.9.1
diff --git a/go.sum b/go.sum
index c85ca1b..20fcba9 100644
--- a/go.sum
+++ b/go.sum
@@ -11,10 +11,6 @@
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/AlexStocks/goext v0.3.3 h1:QWPx9gT3os37u+AgY7syGy3EA5JFK+z3VkYTwL+b6ik=
-github.com/AlexStocks/goext v0.3.3/go.mod h1:3M5j9Pjge4CdkNg2WIjRLUeoPedJHHKwkkglDGSl3Hc=
-github.com/AlexStocks/log4go v1.0.7 h1:RmxSkiwlCOELmUpiLSD1V7F8C3xlgkqyhgGZVKB2jsc=
-github.com/AlexStocks/log4go v1.0.7/go.mod h1:p7vP0/IAoSu7SLjjSvn4NciqYs//Ylyy/FxE0kmqFUg=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
@@ -48,6 +44,7 @@
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
 github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
+github.com/buger/jsonparser v1.1.1/go.mod h1:6RYKKt7H4d4+iWqouImQ9R2FZql3VbhNgx27UK13J/0=
 github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
 github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
@@ -82,10 +79,9 @@
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
-github.com/dubbogo/go-zookeeper v1.0.3/go.mod h1:fn6n2CAEer3novYgk9ULLwAjuV8/g4DdC2ENwRb6E+c=
-github.com/dubbogo/gost v1.11.20 h1:WADtik6Zpl8ExJ/5FG9VuGBebZ7yzDgHbgnjX1v158s=
-github.com/dubbogo/gost v1.11.20/go.mod h1:vIcP9rqz2KsXHPjsAwIUtfJIJjppQLQDcYaZTy/61jI=
-github.com/dubbogo/jsonparser v1.0.1/go.mod h1:tYAtpctvSP/tWw4MeelsowSPgXQRVHHWbqL6ynps8jU=
+github.com/dubbogo/go-zookeeper v1.0.4-0.20211212162352-f9d2183d89d5/go.mod h1:fn6n2CAEer3novYgk9ULLwAjuV8/g4DdC2ENwRb6E+c=
+github.com/dubbogo/gost v1.11.23 h1:5A7N1jJ5oApcxJwjh4FkhN9iqsx8ddFWTakwCUlNJMw=
+github.com/dubbogo/gost v1.11.23/go.mod h1:PhJ8+qZJx+Txjx1KthNPuVkCvUca0jRLgKWj/noGgeI=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
@@ -216,8 +212,6 @@
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
 github.com/jonboulle/clockwork v0.2.2/go.mod h1:Pkfl5aHPm1nk2H9h0bjmnJD/BcgbGXUBGnn1kMkgxc8=
-github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
-github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
 github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
 github.com/json-iterator/go v1.1.5/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
@@ -227,12 +221,6 @@
 github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
-github.com/juju/errors v0.0.0-20210818161939-5560c4c073ff h1:WLHwK6yMswDvGUNrkxp4GYnrbQS8WULu1D3qteVdUIg=
-github.com/juju/errors v0.0.0-20210818161939-5560c4c073ff/go.mod h1:i1eL7XREII6aHpQ2gApI/v6FkVUDEBremNkcBCKYAcY=
-github.com/juju/loggo v0.0.0-20170605014607-8232ab8918d9 h1:Y+lzErDTURqeXqlqYi4YBYbDd7ycU74gW1ADt57/bgY=
-github.com/juju/loggo v0.0.0-20170605014607-8232ab8918d9/go.mod h1:vgyd7OREkbtVEN/8IXZe5Ooef3LQePvuBm9UWj6ZL8U=
-github.com/juju/testing v0.0.0-20180517134105-72703b1e95eb h1:oHBF98WnC1lqCv/W7I7gxnLjD6xJieJ8yt/3IrnMthY=
-github.com/juju/testing v0.0.0-20180517134105-72703b1e95eb/go.mod h1:63prj8cnj0tU0S9OHjGJn+b1h0ZghCndfnbQolrYTwA=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
 github.com/k0kubun/colorstring v0.0.0-20150214042306-9440f1994b88 h1:uC1QfSlInpQF+M0ao65imhwqKnz3Q2z/d8PWZRMQvDM=
@@ -261,9 +249,6 @@
 github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
 github.com/lyft/protoc-gen-validate v0.0.13/go.mod h1:XbGvPuh87YZc5TdIa2/I4pLk0QoUACkjt2znoq26NVQ=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
-github.com/mailru/easyjson v0.7.1/go.mod h1:KAzv3t3aY1NaHWoQz1+4F1ccyAH66Jk7yos7ldAVICs=
-github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
-github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-colorable v0.1.7 h1:bQGKb3vps/j0E9GfJQ03JyhRuxsvdAanXlT9BTw3mdw=
 github.com/mattn/go-colorable v0.1.7/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
@@ -655,7 +640,6 @@
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20160105164936-4f90aeace3a2/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
@@ -666,12 +650,9 @@
 gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/ini.v1 v1.42.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/mgo.v2 v2.0.0-20160818015218-f2b6f6c918c4 h1:hILp2hNrRnYjZpmIbx70psAHbBSEcQ1NIzDcUbJ1b6g=
-gopkg.in/mgo.v2 v2.0.0-20160818015218-f2b6f6c918c4/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
-gopkg.in/yaml.v2 v2.0.0-20170712054546-1be3d31502d6/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=