diff --git a/Makefile b/Makefile
index 691cee26..b3035dd3 100644
--- a/Makefile
+++ b/Makefile
@@ -28,11 +28,10 @@ test: gotest
 
 gotest:
 	go test -v --cover ./assets/...
-	go test -v --cover ./client/...
 	go test -v --cover ./cmd/...
-	go test -v --cover ./models/...
+	go test -v --cover ./client/...
 	go test -v --cover ./server/...
-	go test -v --cover ./utils/...
+	go test -v --cover ./pkg/...
 
 ci:
 	go test -count=1 -p=1 -v ./tests/...
diff --git a/client/admin.go b/client/admin.go
index 52babe23..fdef060f 100644
--- a/client/admin.go
+++ b/client/admin.go
@@ -21,7 +21,7 @@ import (
 	"time"
 
 	"github.com/fatedier/frp/assets"
-	frpNet "github.com/fatedier/frp/utils/net"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
 
 	"github.com/gorilla/mux"
 )
diff --git a/client/admin_api.go b/client/admin_api.go
index 14626736..3977df1f 100644
--- a/client/admin_api.go
+++ b/client/admin_api.go
@@ -23,8 +23,8 @@ import (
 	"strings"
 
 	"github.com/fatedier/frp/client/proxy"
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/utils/log"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/util/log"
 )
 
 type GeneralResponse struct {
diff --git a/client/control.go b/client/control.go
index 861c9777..c8ad7ed2 100644
--- a/client/control.go
+++ b/client/control.go
@@ -25,12 +25,12 @@ import (
 	"time"
 
 	"github.com/fatedier/frp/client/proxy"
-	"github.com/fatedier/frp/models/auth"
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/msg"
-	"github.com/fatedier/frp/models/transport"
-	frpNet "github.com/fatedier/frp/utils/net"
-	"github.com/fatedier/frp/utils/xlog"
+	"github.com/fatedier/frp/pkg/auth"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/msg"
+	"github.com/fatedier/frp/pkg/transport"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
+	"github.com/fatedier/frp/pkg/util/xlog"
 
 	"github.com/fatedier/golib/control/shutdown"
 	"github.com/fatedier/golib/crypto"
diff --git a/client/event/event.go b/client/event/event.go
index 71d61733..f9718448 100644
--- a/client/event/event.go
+++ b/client/event/event.go
@@ -3,7 +3,7 @@ package event
 import (
 	"errors"
 
-	"github.com/fatedier/frp/models/msg"
+	"github.com/fatedier/frp/pkg/msg"
 )
 
 type Type int
diff --git a/client/health/health.go b/client/health/health.go
index d2ae9103..5a7b3691 100644
--- a/client/health/health.go
+++ b/client/health/health.go
@@ -24,7 +24,7 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/fatedier/frp/utils/xlog"
+	"github.com/fatedier/frp/pkg/util/xlog"
 )
 
 var (
diff --git a/client/proxy/proxy.go b/client/proxy/proxy.go
index cb7d5177..3e97784a 100644
--- a/client/proxy/proxy.go
+++ b/client/proxy/proxy.go
@@ -26,13 +26,13 @@ import (
 	"sync"
 	"time"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/msg"
-	plugin "github.com/fatedier/frp/models/plugin/client"
-	"github.com/fatedier/frp/models/proto/udp"
-	"github.com/fatedier/frp/utils/limit"
-	frpNet "github.com/fatedier/frp/utils/net"
-	"github.com/fatedier/frp/utils/xlog"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/msg"
+	plugin "github.com/fatedier/frp/pkg/plugin/client"
+	"github.com/fatedier/frp/pkg/proto/udp"
+	"github.com/fatedier/frp/pkg/util/limit"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
+	"github.com/fatedier/frp/pkg/util/xlog"
 
 	"github.com/fatedier/golib/errors"
 	frpIo "github.com/fatedier/golib/io"
diff --git a/client/proxy/proxy_manager.go b/client/proxy/proxy_manager.go
index 9a78f0f0..98c17faa 100644
--- a/client/proxy/proxy_manager.go
+++ b/client/proxy/proxy_manager.go
@@ -7,9 +7,9 @@ import (
 	"sync"
 
 	"github.com/fatedier/frp/client/event"
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/msg"
-	"github.com/fatedier/frp/utils/xlog"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/msg"
+	"github.com/fatedier/frp/pkg/util/xlog"
 
 	"github.com/fatedier/golib/errors"
 )
diff --git a/client/proxy/proxy_wrapper.go b/client/proxy/proxy_wrapper.go
index b3b375e8..f1cd7659 100644
--- a/client/proxy/proxy_wrapper.go
+++ b/client/proxy/proxy_wrapper.go
@@ -10,9 +10,9 @@ import (
 
 	"github.com/fatedier/frp/client/event"
 	"github.com/fatedier/frp/client/health"
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/msg"
-	"github.com/fatedier/frp/utils/xlog"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/msg"
+	"github.com/fatedier/frp/pkg/util/xlog"
 
 	"github.com/fatedier/golib/errors"
 )
diff --git a/client/service.go b/client/service.go
index e6451ff1..f5039189 100644
--- a/client/service.go
+++ b/client/service.go
@@ -18,7 +18,6 @@ import (
 	"context"
 	"crypto/tls"
 	"fmt"
-	"github.com/fatedier/frp/models/transport"
 	"io/ioutil"
 	"net"
 	"runtime"
@@ -27,13 +26,14 @@ import (
 	"time"
 
 	"github.com/fatedier/frp/assets"
-	"github.com/fatedier/frp/models/auth"
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/msg"
-	"github.com/fatedier/frp/utils/log"
-	frpNet "github.com/fatedier/frp/utils/net"
-	"github.com/fatedier/frp/utils/version"
-	"github.com/fatedier/frp/utils/xlog"
+	"github.com/fatedier/frp/pkg/auth"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/msg"
+	"github.com/fatedier/frp/pkg/transport"
+	"github.com/fatedier/frp/pkg/util/log"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
+	"github.com/fatedier/frp/pkg/util/version"
+	"github.com/fatedier/frp/pkg/util/xlog"
 
 	fmux "github.com/hashicorp/yamux"
 )
diff --git a/client/visitor.go b/client/visitor.go
index ce5625f0..85f6a153 100644
--- a/client/visitor.go
+++ b/client/visitor.go
@@ -24,12 +24,12 @@ import (
 	"sync"
 	"time"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/msg"
-	"github.com/fatedier/frp/models/proto/udp"
-	frpNet "github.com/fatedier/frp/utils/net"
-	"github.com/fatedier/frp/utils/util"
-	"github.com/fatedier/frp/utils/xlog"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/msg"
+	"github.com/fatedier/frp/pkg/proto/udp"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
+	"github.com/fatedier/frp/pkg/util/util"
+	"github.com/fatedier/frp/pkg/util/xlog"
 
 	"github.com/fatedier/golib/errors"
 	frpIo "github.com/fatedier/golib/io"
diff --git a/client/visitor_manager.go b/client/visitor_manager.go
index ea32eac0..642b21e8 100644
--- a/client/visitor_manager.go
+++ b/client/visitor_manager.go
@@ -19,8 +19,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/utils/xlog"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/util/xlog"
 )
 
 type VisitorManager struct {
diff --git a/cmd/frpc/sub/http.go b/cmd/frpc/sub/http.go
index 801ac5b5..d1286b2e 100644
--- a/cmd/frpc/sub/http.go
+++ b/cmd/frpc/sub/http.go
@@ -19,10 +19,10 @@ import (
 	"os"
 	"strings"
 
-	"github.com/spf13/cobra"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/consts"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/consts"
+	"github.com/spf13/cobra"
 )
 
 func init() {
diff --git a/cmd/frpc/sub/https.go b/cmd/frpc/sub/https.go
index 0c01f558..99a22953 100644
--- a/cmd/frpc/sub/https.go
+++ b/cmd/frpc/sub/https.go
@@ -21,8 +21,8 @@ import (
 
 	"github.com/spf13/cobra"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/consts"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/consts"
 )
 
 func init() {
diff --git a/cmd/frpc/sub/reload.go b/cmd/frpc/sub/reload.go
index f3514754..44b16770 100644
--- a/cmd/frpc/sub/reload.go
+++ b/cmd/frpc/sub/reload.go
@@ -22,9 +22,9 @@ import (
 	"os"
 	"strings"
 
-	"github.com/spf13/cobra"
+	"github.com/fatedier/frp/pkg/config"
 
-	"github.com/fatedier/frp/models/config"
+	"github.com/spf13/cobra"
 )
 
 func init() {
diff --git a/cmd/frpc/sub/root.go b/cmd/frpc/sub/root.go
index 44904768..d84ce827 100644
--- a/cmd/frpc/sub/root.go
+++ b/cmd/frpc/sub/root.go
@@ -25,13 +25,13 @@ import (
 	"syscall"
 	"time"
 
-	"github.com/spf13/cobra"
-
 	"github.com/fatedier/frp/client"
-	"github.com/fatedier/frp/models/auth"
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/utils/log"
-	"github.com/fatedier/frp/utils/version"
+	"github.com/fatedier/frp/pkg/auth"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/util/log"
+	"github.com/fatedier/frp/pkg/util/version"
+
+	"github.com/spf13/cobra"
 )
 
 const (
diff --git a/cmd/frpc/sub/status.go b/cmd/frpc/sub/status.go
index a9123f9f..774de53f 100644
--- a/cmd/frpc/sub/status.go
+++ b/cmd/frpc/sub/status.go
@@ -23,11 +23,11 @@ import (
 	"os"
 	"strings"
 
+	"github.com/fatedier/frp/client"
+	"github.com/fatedier/frp/pkg/config"
+
 	"github.com/rodaine/table"
 	"github.com/spf13/cobra"
-
-	"github.com/fatedier/frp/client"
-	"github.com/fatedier/frp/models/config"
 )
 
 func init() {
diff --git a/cmd/frpc/sub/stcp.go b/cmd/frpc/sub/stcp.go
index 24e881d4..1b4ac0f1 100644
--- a/cmd/frpc/sub/stcp.go
+++ b/cmd/frpc/sub/stcp.go
@@ -18,10 +18,10 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/spf13/cobra"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/consts"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/consts"
+	"github.com/spf13/cobra"
 )
 
 func init() {
diff --git a/cmd/frpc/sub/sudp.go b/cmd/frpc/sub/sudp.go
index 399a5627..d7306771 100644
--- a/cmd/frpc/sub/sudp.go
+++ b/cmd/frpc/sub/sudp.go
@@ -18,10 +18,10 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/spf13/cobra"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/consts"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/consts"
+	"github.com/spf13/cobra"
 )
 
 func init() {
diff --git a/cmd/frpc/sub/tcp.go b/cmd/frpc/sub/tcp.go
index ee30669c..e6f310fd 100644
--- a/cmd/frpc/sub/tcp.go
+++ b/cmd/frpc/sub/tcp.go
@@ -20,8 +20,8 @@ import (
 
 	"github.com/spf13/cobra"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/consts"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/consts"
 )
 
 func init() {
diff --git a/cmd/frpc/sub/tcpmux.go b/cmd/frpc/sub/tcpmux.go
index 7a150949..065bf9c1 100644
--- a/cmd/frpc/sub/tcpmux.go
+++ b/cmd/frpc/sub/tcpmux.go
@@ -21,8 +21,8 @@ import (
 
 	"github.com/spf13/cobra"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/consts"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/consts"
 )
 
 func init() {
diff --git a/cmd/frpc/sub/udp.go b/cmd/frpc/sub/udp.go
index 01ff466c..c5219960 100644
--- a/cmd/frpc/sub/udp.go
+++ b/cmd/frpc/sub/udp.go
@@ -18,10 +18,10 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/spf13/cobra"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/consts"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/consts"
+	"github.com/spf13/cobra"
 )
 
 func init() {
diff --git a/cmd/frpc/sub/xtcp.go b/cmd/frpc/sub/xtcp.go
index 018cbf36..6e66f953 100644
--- a/cmd/frpc/sub/xtcp.go
+++ b/cmd/frpc/sub/xtcp.go
@@ -18,10 +18,10 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/spf13/cobra"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/consts"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/consts"
+	"github.com/spf13/cobra"
 )
 
 func init() {
diff --git a/cmd/frps/main.go b/cmd/frps/main.go
index 50be5862..d95d8427 100644
--- a/cmd/frps/main.go
+++ b/cmd/frps/main.go
@@ -21,7 +21,7 @@ import (
 	"github.com/fatedier/golib/crypto"
 
 	_ "github.com/fatedier/frp/assets/frps/statik"
-	_ "github.com/fatedier/frp/models/metrics"
+	_ "github.com/fatedier/frp/pkg/metrics"
 )
 
 func main() {
diff --git a/cmd/frps/root.go b/cmd/frps/root.go
index b6fb362a..fb4fbd02 100644
--- a/cmd/frps/root.go
+++ b/cmd/frps/root.go
@@ -18,14 +18,14 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/spf13/cobra"
-
-	"github.com/fatedier/frp/models/auth"
-	"github.com/fatedier/frp/models/config"
+	"github.com/fatedier/frp/pkg/auth"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/util/log"
+	"github.com/fatedier/frp/pkg/util/util"
+	"github.com/fatedier/frp/pkg/util/version"
 	"github.com/fatedier/frp/server"
-	"github.com/fatedier/frp/utils/log"
-	"github.com/fatedier/frp/utils/util"
-	"github.com/fatedier/frp/utils/version"
+
+	"github.com/spf13/cobra"
 )
 
 const (
diff --git a/models/auth/auth.go b/pkg/auth/auth.go
similarity index 98%
rename from models/auth/auth.go
rename to pkg/auth/auth.go
index adbcb3d9..a77123fb 100644
--- a/models/auth/auth.go
+++ b/pkg/auth/auth.go
@@ -17,8 +17,8 @@ package auth
 import (
 	"fmt"
 
-	"github.com/fatedier/frp/models/consts"
-	"github.com/fatedier/frp/models/msg"
+	"github.com/fatedier/frp/pkg/consts"
+	"github.com/fatedier/frp/pkg/msg"
 
 	"github.com/vaughan0/go-ini"
 )
diff --git a/models/auth/oidc.go b/pkg/auth/oidc.go
similarity index 99%
rename from models/auth/oidc.go
rename to pkg/auth/oidc.go
index 91c70be0..a1e791aa 100644
--- a/models/auth/oidc.go
+++ b/pkg/auth/oidc.go
@@ -18,7 +18,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/fatedier/frp/models/msg"
+	"github.com/fatedier/frp/pkg/msg"
 
 	"github.com/coreos/go-oidc"
 	"github.com/vaughan0/go-ini"
diff --git a/models/auth/token.go b/pkg/auth/token.go
similarity index 97%
rename from models/auth/token.go
rename to pkg/auth/token.go
index 4c680d74..02faf2f9 100644
--- a/models/auth/token.go
+++ b/pkg/auth/token.go
@@ -18,8 +18,8 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/fatedier/frp/models/msg"
-	"github.com/fatedier/frp/utils/util"
+	"github.com/fatedier/frp/pkg/msg"
+	"github.com/fatedier/frp/pkg/util/util"
 
 	"github.com/vaughan0/go-ini"
 )
diff --git a/models/config/client_common.go b/pkg/config/client_common.go
similarity index 99%
rename from models/config/client_common.go
rename to pkg/config/client_common.go
index 505b988f..1af90746 100644
--- a/models/config/client_common.go
+++ b/pkg/config/client_common.go
@@ -20,9 +20,9 @@ import (
 	"strconv"
 	"strings"
 
-	ini "github.com/vaughan0/go-ini"
+	"github.com/fatedier/frp/pkg/auth"
 
-	"github.com/fatedier/frp/models/auth"
+	ini "github.com/vaughan0/go-ini"
 )
 
 // ClientCommonConf contains information for a client service. It is
diff --git a/models/config/proxy.go b/pkg/config/proxy.go
similarity index 99%
rename from models/config/proxy.go
rename to pkg/config/proxy.go
index 7c143a1a..ad5b64b7 100644
--- a/models/config/proxy.go
+++ b/pkg/config/proxy.go
@@ -20,9 +20,9 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/fatedier/frp/models/consts"
-	"github.com/fatedier/frp/models/msg"
-	"github.com/fatedier/frp/utils/util"
+	"github.com/fatedier/frp/pkg/consts"
+	"github.com/fatedier/frp/pkg/msg"
+	"github.com/fatedier/frp/pkg/util/util"
 
 	ini "github.com/vaughan0/go-ini"
 )
diff --git a/models/config/server_common.go b/pkg/config/server_common.go
similarity index 99%
rename from models/config/server_common.go
rename to pkg/config/server_common.go
index 1690aa0e..594ad31b 100644
--- a/models/config/server_common.go
+++ b/pkg/config/server_common.go
@@ -19,11 +19,11 @@ import (
 	"strconv"
 	"strings"
 
-	ini "github.com/vaughan0/go-ini"
+	"github.com/fatedier/frp/pkg/auth"
+	plugin "github.com/fatedier/frp/pkg/plugin/server"
+	"github.com/fatedier/frp/pkg/util/util"
 
-	"github.com/fatedier/frp/models/auth"
-	plugin "github.com/fatedier/frp/models/plugin/server"
-	"github.com/fatedier/frp/utils/util"
+	ini "github.com/vaughan0/go-ini"
 )
 
 // ServerCommonConf contains information for a server service. It is
diff --git a/models/config/types.go b/pkg/config/types.go
similarity index 100%
rename from models/config/types.go
rename to pkg/config/types.go
diff --git a/models/config/types_test.go b/pkg/config/types_test.go
similarity index 100%
rename from models/config/types_test.go
rename to pkg/config/types_test.go
diff --git a/models/config/value.go b/pkg/config/value.go
similarity index 100%
rename from models/config/value.go
rename to pkg/config/value.go
diff --git a/models/config/visitor.go b/pkg/config/visitor.go
similarity index 99%
rename from models/config/visitor.go
rename to pkg/config/visitor.go
index a3568410..39958ea5 100644
--- a/models/config/visitor.go
+++ b/pkg/config/visitor.go
@@ -19,7 +19,7 @@ import (
 	"reflect"
 	"strconv"
 
-	"github.com/fatedier/frp/models/consts"
+	"github.com/fatedier/frp/pkg/consts"
 
 	ini "github.com/vaughan0/go-ini"
 )
diff --git a/models/consts/consts.go b/pkg/consts/consts.go
similarity index 100%
rename from models/consts/consts.go
rename to pkg/consts/consts.go
diff --git a/models/errors/errors.go b/pkg/errors/errors.go
similarity index 100%
rename from models/errors/errors.go
rename to pkg/errors/errors.go
diff --git a/models/metrics/aggregate/server.go b/pkg/metrics/aggregate/server.go
similarity index 95%
rename from models/metrics/aggregate/server.go
rename to pkg/metrics/aggregate/server.go
index 39549f97..1ff15e42 100644
--- a/models/metrics/aggregate/server.go
+++ b/pkg/metrics/aggregate/server.go
@@ -15,8 +15,8 @@
 package aggregate
 
 import (
-	"github.com/fatedier/frp/models/metrics/mem"
-	"github.com/fatedier/frp/models/metrics/prometheus"
+	"github.com/fatedier/frp/pkg/metrics/mem"
+	"github.com/fatedier/frp/pkg/metrics/prometheus"
 	"github.com/fatedier/frp/server/metrics"
 )
 
diff --git a/models/metrics/mem/server.go b/pkg/metrics/mem/server.go
similarity index 98%
rename from models/metrics/mem/server.go
rename to pkg/metrics/mem/server.go
index 307583ad..f3c8559c 100644
--- a/models/metrics/mem/server.go
+++ b/pkg/metrics/mem/server.go
@@ -18,9 +18,9 @@ import (
 	"sync"
 	"time"
 
+	"github.com/fatedier/frp/pkg/util/log"
+	"github.com/fatedier/frp/pkg/util/metric"
 	server "github.com/fatedier/frp/server/metrics"
-	"github.com/fatedier/frp/utils/log"
-	"github.com/fatedier/frp/utils/metric"
 )
 
 var sm *serverMetrics = newServerMetrics()
diff --git a/models/metrics/mem/types.go b/pkg/metrics/mem/types.go
similarity index 97%
rename from models/metrics/mem/types.go
rename to pkg/metrics/mem/types.go
index bdb1863d..2650b54b 100644
--- a/models/metrics/mem/types.go
+++ b/pkg/metrics/mem/types.go
@@ -17,7 +17,7 @@ package mem
 import (
 	"time"
 
-	"github.com/fatedier/frp/utils/metric"
+	"github.com/fatedier/frp/pkg/util/metric"
 )
 
 const (
diff --git a/models/metrics/metrics.go b/pkg/metrics/metrics.go
similarity index 68%
rename from models/metrics/metrics.go
rename to pkg/metrics/metrics.go
index b9fb3084..6520317d 100644
--- a/models/metrics/metrics.go
+++ b/pkg/metrics/metrics.go
@@ -1,7 +1,7 @@
 package metrics
 
 import (
-	"github.com/fatedier/frp/models/metrics/aggregate"
+	"github.com/fatedier/frp/pkg/metrics/aggregate"
 )
 
 var EnableMem = aggregate.EnableMem
diff --git a/models/metrics/prometheus/server.go b/pkg/metrics/prometheus/server.go
similarity index 100%
rename from models/metrics/prometheus/server.go
rename to pkg/metrics/prometheus/server.go
diff --git a/models/msg/ctl.go b/pkg/msg/ctl.go
similarity index 100%
rename from models/msg/ctl.go
rename to pkg/msg/ctl.go
diff --git a/models/msg/msg.go b/pkg/msg/msg.go
similarity index 100%
rename from models/msg/msg.go
rename to pkg/msg/msg.go
diff --git a/models/nathole/nathole.go b/pkg/nathole/nathole.go
similarity index 97%
rename from models/nathole/nathole.go
rename to pkg/nathole/nathole.go
index e44e149b..545ad7aa 100644
--- a/models/nathole/nathole.go
+++ b/pkg/nathole/nathole.go
@@ -7,9 +7,9 @@ import (
 	"sync"
 	"time"
 
-	"github.com/fatedier/frp/models/msg"
-	"github.com/fatedier/frp/utils/log"
-	"github.com/fatedier/frp/utils/util"
+	"github.com/fatedier/frp/pkg/msg"
+	"github.com/fatedier/frp/pkg/util/log"
+	"github.com/fatedier/frp/pkg/util/util"
 
 	"github.com/fatedier/golib/errors"
 	"github.com/fatedier/golib/pool"
diff --git a/models/plugin/client/http2https.go b/pkg/plugin/client/http2https.go
similarity index 98%
rename from models/plugin/client/http2https.go
rename to pkg/plugin/client/http2https.go
index 570b3f9c..ddf559ae 100644
--- a/models/plugin/client/http2https.go
+++ b/pkg/plugin/client/http2https.go
@@ -23,7 +23,7 @@ import (
 	"net/http/httputil"
 	"strings"
 
-	frpNet "github.com/fatedier/frp/utils/net"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
 )
 
 const PluginHTTP2HTTPS = "http2https"
diff --git a/models/plugin/client/http_proxy.go b/pkg/plugin/client/http_proxy.go
similarity index 99%
rename from models/plugin/client/http_proxy.go
rename to pkg/plugin/client/http_proxy.go
index 08600820..45bd3a9a 100644
--- a/models/plugin/client/http_proxy.go
+++ b/pkg/plugin/client/http_proxy.go
@@ -22,7 +22,7 @@ import (
 	"net/http"
 	"strings"
 
-	frpNet "github.com/fatedier/frp/utils/net"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
 
 	frpIo "github.com/fatedier/golib/io"
 	gnet "github.com/fatedier/golib/net"
diff --git a/models/plugin/client/https2http.go b/pkg/plugin/client/https2http.go
similarity index 98%
rename from models/plugin/client/https2http.go
rename to pkg/plugin/client/https2http.go
index 093a74f4..81806e39 100644
--- a/models/plugin/client/https2http.go
+++ b/pkg/plugin/client/https2http.go
@@ -23,7 +23,7 @@ import (
 	"net/http/httputil"
 	"strings"
 
-	frpNet "github.com/fatedier/frp/utils/net"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
 )
 
 const PluginHTTPS2HTTP = "https2http"
diff --git a/models/plugin/client/plugin.go b/pkg/plugin/client/plugin.go
similarity index 100%
rename from models/plugin/client/plugin.go
rename to pkg/plugin/client/plugin.go
diff --git a/models/plugin/client/socks5.go b/pkg/plugin/client/socks5.go
similarity index 97%
rename from models/plugin/client/socks5.go
rename to pkg/plugin/client/socks5.go
index dc089345..79919e44 100644
--- a/models/plugin/client/socks5.go
+++ b/pkg/plugin/client/socks5.go
@@ -20,7 +20,7 @@ import (
 	"log"
 	"net"
 
-	frpNet "github.com/fatedier/frp/utils/net"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
 
 	gosocks5 "github.com/armon/go-socks5"
 )
diff --git a/models/plugin/client/static_file.go b/pkg/plugin/client/static_file.go
similarity index 97%
rename from models/plugin/client/static_file.go
rename to pkg/plugin/client/static_file.go
index 668a0338..1eeea3ba 100644
--- a/models/plugin/client/static_file.go
+++ b/pkg/plugin/client/static_file.go
@@ -19,7 +19,7 @@ import (
 	"net"
 	"net/http"
 
-	frpNet "github.com/fatedier/frp/utils/net"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
 
 	"github.com/gorilla/mux"
 )
diff --git a/models/plugin/client/unix_domain_socket.go b/pkg/plugin/client/unix_domain_socket.go
similarity index 100%
rename from models/plugin/client/unix_domain_socket.go
rename to pkg/plugin/client/unix_domain_socket.go
diff --git a/models/plugin/server/http.go b/pkg/plugin/server/http.go
similarity index 100%
rename from models/plugin/server/http.go
rename to pkg/plugin/server/http.go
diff --git a/models/plugin/server/manager.go b/pkg/plugin/server/manager.go
similarity index 98%
rename from models/plugin/server/manager.go
rename to pkg/plugin/server/manager.go
index dd2b67f4..19c894b2 100644
--- a/models/plugin/server/manager.go
+++ b/pkg/plugin/server/manager.go
@@ -19,8 +19,8 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/fatedier/frp/utils/util"
-	"github.com/fatedier/frp/utils/xlog"
+	"github.com/fatedier/frp/pkg/util/util"
+	"github.com/fatedier/frp/pkg/util/xlog"
 )
 
 type Manager struct {
diff --git a/models/plugin/server/plugin.go b/pkg/plugin/server/plugin.go
similarity index 100%
rename from models/plugin/server/plugin.go
rename to pkg/plugin/server/plugin.go
diff --git a/models/plugin/server/tracer.go b/pkg/plugin/server/tracer.go
similarity index 100%
rename from models/plugin/server/tracer.go
rename to pkg/plugin/server/tracer.go
diff --git a/models/plugin/server/types.go b/pkg/plugin/server/types.go
similarity index 97%
rename from models/plugin/server/types.go
rename to pkg/plugin/server/types.go
index 5667625b..82d4032c 100644
--- a/models/plugin/server/types.go
+++ b/pkg/plugin/server/types.go
@@ -15,7 +15,7 @@
 package plugin
 
 import (
-	"github.com/fatedier/frp/models/msg"
+	"github.com/fatedier/frp/pkg/msg"
 )
 
 type Request struct {
diff --git a/models/proto/udp/udp.go b/pkg/proto/udp/udp.go
similarity index 98%
rename from models/proto/udp/udp.go
rename to pkg/proto/udp/udp.go
index 5a058964..97f6ea40 100644
--- a/models/proto/udp/udp.go
+++ b/pkg/proto/udp/udp.go
@@ -20,7 +20,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/fatedier/frp/models/msg"
+	"github.com/fatedier/frp/pkg/msg"
 
 	"github.com/fatedier/golib/errors"
 	"github.com/fatedier/golib/pool"
diff --git a/models/proto/udp/udp_test.go b/pkg/proto/udp/udp_test.go
similarity index 100%
rename from models/proto/udp/udp_test.go
rename to pkg/proto/udp/udp_test.go
diff --git a/models/transport/tls.go b/pkg/transport/tls.go
similarity index 100%
rename from models/transport/tls.go
rename to pkg/transport/tls.go
diff --git a/utils/limit/reader.go b/pkg/util/limit/reader.go
similarity index 100%
rename from utils/limit/reader.go
rename to pkg/util/limit/reader.go
diff --git a/utils/limit/writer.go b/pkg/util/limit/writer.go
similarity index 100%
rename from utils/limit/writer.go
rename to pkg/util/limit/writer.go
diff --git a/utils/log/log.go b/pkg/util/log/log.go
similarity index 100%
rename from utils/log/log.go
rename to pkg/util/log/log.go
diff --git a/utils/metric/counter.go b/pkg/util/metric/counter.go
similarity index 100%
rename from utils/metric/counter.go
rename to pkg/util/metric/counter.go
diff --git a/utils/metric/counter_test.go b/pkg/util/metric/counter_test.go
similarity index 100%
rename from utils/metric/counter_test.go
rename to pkg/util/metric/counter_test.go
diff --git a/utils/metric/date_counter.go b/pkg/util/metric/date_counter.go
similarity index 100%
rename from utils/metric/date_counter.go
rename to pkg/util/metric/date_counter.go
diff --git a/utils/metric/date_counter_test.go b/pkg/util/metric/date_counter_test.go
similarity index 100%
rename from utils/metric/date_counter_test.go
rename to pkg/util/metric/date_counter_test.go
diff --git a/utils/metric/metrics.go b/pkg/util/metric/metrics.go
similarity index 100%
rename from utils/metric/metrics.go
rename to pkg/util/metric/metrics.go
diff --git a/utils/net/conn.go b/pkg/util/net/conn.go
similarity index 99%
rename from utils/net/conn.go
rename to pkg/util/net/conn.go
index 4a122b03..5a33dd62 100644
--- a/utils/net/conn.go
+++ b/pkg/util/net/conn.go
@@ -24,7 +24,8 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/fatedier/frp/utils/xlog"
+	"github.com/fatedier/frp/pkg/util/xlog"
+
 	gnet "github.com/fatedier/golib/net"
 	kcp "github.com/fatedier/kcp-go"
 )
diff --git a/utils/net/http.go b/pkg/util/net/http.go
similarity index 100%
rename from utils/net/http.go
rename to pkg/util/net/http.go
diff --git a/utils/net/kcp.go b/pkg/util/net/kcp.go
similarity index 100%
rename from utils/net/kcp.go
rename to pkg/util/net/kcp.go
diff --git a/utils/net/listener.go b/pkg/util/net/listener.go
similarity index 100%
rename from utils/net/listener.go
rename to pkg/util/net/listener.go
diff --git a/utils/net/tls.go b/pkg/util/net/tls.go
similarity index 100%
rename from utils/net/tls.go
rename to pkg/util/net/tls.go
diff --git a/utils/net/udp.go b/pkg/util/net/udp.go
similarity index 100%
rename from utils/net/udp.go
rename to pkg/util/net/udp.go
diff --git a/utils/net/websocket.go b/pkg/util/net/websocket.go
similarity index 100%
rename from utils/net/websocket.go
rename to pkg/util/net/websocket.go
diff --git a/utils/tcpmux/httpconnect.go b/pkg/util/tcpmux/httpconnect.go
similarity index 95%
rename from utils/tcpmux/httpconnect.go
rename to pkg/util/tcpmux/httpconnect.go
index 145d38a7..014f6881 100644
--- a/utils/tcpmux/httpconnect.go
+++ b/pkg/util/tcpmux/httpconnect.go
@@ -22,8 +22,8 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/fatedier/frp/utils/util"
-	"github.com/fatedier/frp/utils/vhost"
+	"github.com/fatedier/frp/pkg/util/util"
+	"github.com/fatedier/frp/pkg/util/vhost"
 )
 
 type HTTPConnectTCPMuxer struct {
diff --git a/utils/util/http.go b/pkg/util/util/http.go
similarity index 100%
rename from utils/util/http.go
rename to pkg/util/util/http.go
diff --git a/utils/util/util.go b/pkg/util/util/util.go
similarity index 100%
rename from utils/util/util.go
rename to pkg/util/util/util.go
diff --git a/utils/util/util_test.go b/pkg/util/util/util_test.go
similarity index 100%
rename from utils/util/util_test.go
rename to pkg/util/util/util_test.go
diff --git a/utils/version/version.go b/pkg/util/version/version.go
similarity index 100%
rename from utils/version/version.go
rename to pkg/util/version/version.go
diff --git a/utils/version/version_test.go b/pkg/util/version/version_test.go
similarity index 100%
rename from utils/version/version_test.go
rename to pkg/util/version/version_test.go
diff --git a/utils/vhost/http.go b/pkg/util/vhost/http.go
similarity index 98%
rename from utils/vhost/http.go
rename to pkg/util/vhost/http.go
index 31759647..de105cbd 100644
--- a/utils/vhost/http.go
+++ b/pkg/util/vhost/http.go
@@ -25,8 +25,8 @@ import (
 	"strings"
 	"time"
 
-	frpLog "github.com/fatedier/frp/utils/log"
-	"github.com/fatedier/frp/utils/util"
+	frpLog "github.com/fatedier/frp/pkg/util/log"
+	"github.com/fatedier/frp/pkg/util/util"
 
 	"github.com/fatedier/golib/pool"
 )
diff --git a/utils/vhost/https.go b/pkg/util/vhost/https.go
similarity index 100%
rename from utils/vhost/https.go
rename to pkg/util/vhost/https.go
diff --git a/utils/vhost/resource.go b/pkg/util/vhost/resource.go
similarity index 96%
rename from utils/vhost/resource.go
rename to pkg/util/vhost/resource.go
index 5c084306..f89348ee 100644
--- a/utils/vhost/resource.go
+++ b/pkg/util/vhost/resource.go
@@ -19,8 +19,8 @@ import (
 	"io/ioutil"
 	"net/http"
 
-	frpLog "github.com/fatedier/frp/utils/log"
-	"github.com/fatedier/frp/utils/version"
+	frpLog "github.com/fatedier/frp/pkg/util/log"
+	"github.com/fatedier/frp/pkg/util/version"
 )
 
 var (
diff --git a/utils/vhost/reverseproxy.go b/pkg/util/vhost/reverseproxy.go
similarity index 100%
rename from utils/vhost/reverseproxy.go
rename to pkg/util/vhost/reverseproxy.go
diff --git a/utils/vhost/router.go b/pkg/util/vhost/router.go
similarity index 100%
rename from utils/vhost/router.go
rename to pkg/util/vhost/router.go
diff --git a/utils/vhost/vhost.go b/pkg/util/vhost/vhost.go
similarity index 97%
rename from utils/vhost/vhost.go
rename to pkg/util/vhost/vhost.go
index 363d0ea9..9049f28b 100644
--- a/utils/vhost/vhost.go
+++ b/pkg/util/vhost/vhost.go
@@ -19,9 +19,9 @@ import (
 	"strings"
 	"time"
 
-	"github.com/fatedier/frp/utils/log"
-	frpNet "github.com/fatedier/frp/utils/net"
-	"github.com/fatedier/frp/utils/xlog"
+	"github.com/fatedier/frp/pkg/util/log"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
+	"github.com/fatedier/frp/pkg/util/xlog"
 
 	"github.com/fatedier/golib/errors"
 )
diff --git a/utils/xlog/ctx.go b/pkg/util/xlog/ctx.go
similarity index 100%
rename from utils/xlog/ctx.go
rename to pkg/util/xlog/ctx.go
diff --git a/utils/xlog/xlog.go b/pkg/util/xlog/xlog.go
similarity index 97%
rename from utils/xlog/xlog.go
rename to pkg/util/xlog/xlog.go
index a1c48672..b5746f9d 100644
--- a/utils/xlog/xlog.go
+++ b/pkg/util/xlog/xlog.go
@@ -15,7 +15,7 @@
 package xlog
 
 import (
-	"github.com/fatedier/frp/utils/log"
+	"github.com/fatedier/frp/pkg/util/log"
 )
 
 // Logger is not thread safety for operations on prefix
diff --git a/server/control.go b/server/control.go
index e148459b..ef470f52 100644
--- a/server/control.go
+++ b/server/control.go
@@ -23,18 +23,18 @@ import (
 	"sync"
 	"time"
 
-	"github.com/fatedier/frp/models/auth"
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/consts"
-	frpErr "github.com/fatedier/frp/models/errors"
-	"github.com/fatedier/frp/models/msg"
-	plugin "github.com/fatedier/frp/models/plugin/server"
+	"github.com/fatedier/frp/pkg/auth"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/consts"
+	frpErr "github.com/fatedier/frp/pkg/errors"
+	"github.com/fatedier/frp/pkg/msg"
+	plugin "github.com/fatedier/frp/pkg/plugin/server"
+	"github.com/fatedier/frp/pkg/util/util"
+	"github.com/fatedier/frp/pkg/util/version"
+	"github.com/fatedier/frp/pkg/util/xlog"
 	"github.com/fatedier/frp/server/controller"
 	"github.com/fatedier/frp/server/metrics"
 	"github.com/fatedier/frp/server/proxy"
-	"github.com/fatedier/frp/utils/util"
-	"github.com/fatedier/frp/utils/version"
-	"github.com/fatedier/frp/utils/xlog"
 
 	"github.com/fatedier/golib/control/shutdown"
 	"github.com/fatedier/golib/crypto"
diff --git a/server/controller/resource.go b/server/controller/resource.go
index 6e128b8c..47236c9e 100644
--- a/server/controller/resource.go
+++ b/server/controller/resource.go
@@ -15,13 +15,13 @@
 package controller
 
 import (
-	"github.com/fatedier/frp/models/nathole"
-	plugin "github.com/fatedier/frp/models/plugin/server"
+	"github.com/fatedier/frp/pkg/nathole"
+	plugin "github.com/fatedier/frp/pkg/plugin/server"
+	"github.com/fatedier/frp/pkg/util/tcpmux"
+	"github.com/fatedier/frp/pkg/util/vhost"
 	"github.com/fatedier/frp/server/group"
 	"github.com/fatedier/frp/server/ports"
 	"github.com/fatedier/frp/server/visitor"
-	"github.com/fatedier/frp/utils/tcpmux"
-	"github.com/fatedier/frp/utils/vhost"
 )
 
 // All resource managers and controllers
diff --git a/server/dashboard.go b/server/dashboard.go
index 473f37e4..7af9df27 100644
--- a/server/dashboard.go
+++ b/server/dashboard.go
@@ -21,7 +21,7 @@ import (
 	"time"
 
 	"github.com/fatedier/frp/assets"
-	frpNet "github.com/fatedier/frp/utils/net"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
 
 	"github.com/gorilla/mux"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
diff --git a/server/dashboard_api.go b/server/dashboard_api.go
index e0b10ced..210b6e3e 100644
--- a/server/dashboard_api.go
+++ b/server/dashboard_api.go
@@ -18,11 +18,11 @@ import (
 	"encoding/json"
 	"net/http"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/consts"
-	"github.com/fatedier/frp/models/metrics/mem"
-	"github.com/fatedier/frp/utils/log"
-	"github.com/fatedier/frp/utils/version"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/consts"
+	"github.com/fatedier/frp/pkg/metrics/mem"
+	"github.com/fatedier/frp/pkg/util/log"
+	"github.com/fatedier/frp/pkg/util/version"
 
 	"github.com/gorilla/mux"
 )
diff --git a/server/group/http.go b/server/group/http.go
index 90b82292..0039b8ae 100644
--- a/server/group/http.go
+++ b/server/group/http.go
@@ -6,7 +6,7 @@ import (
 	"sync"
 	"sync/atomic"
 
-	"github.com/fatedier/frp/utils/vhost"
+	"github.com/fatedier/frp/pkg/util/vhost"
 )
 
 type HTTPGroupController struct {
diff --git a/server/group/tcpmux.go b/server/group/tcpmux.go
index 61058ca6..f2db8def 100644
--- a/server/group/tcpmux.go
+++ b/server/group/tcpmux.go
@@ -20,9 +20,9 @@ import (
 	"net"
 	"sync"
 
-	"github.com/fatedier/frp/models/consts"
-	"github.com/fatedier/frp/utils/tcpmux"
-	"github.com/fatedier/frp/utils/vhost"
+	"github.com/fatedier/frp/pkg/consts"
+	"github.com/fatedier/frp/pkg/util/tcpmux"
+	"github.com/fatedier/frp/pkg/util/vhost"
 
 	gerr "github.com/fatedier/golib/errors"
 )
diff --git a/server/proxy/http.go b/server/proxy/http.go
index ce14388e..86925281 100644
--- a/server/proxy/http.go
+++ b/server/proxy/http.go
@@ -19,11 +19,11 @@ import (
 	"net"
 	"strings"
 
-	"github.com/fatedier/frp/models/config"
+	"github.com/fatedier/frp/pkg/config"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
+	"github.com/fatedier/frp/pkg/util/util"
+	"github.com/fatedier/frp/pkg/util/vhost"
 	"github.com/fatedier/frp/server/metrics"
-	frpNet "github.com/fatedier/frp/utils/net"
-	"github.com/fatedier/frp/utils/util"
-	"github.com/fatedier/frp/utils/vhost"
 
 	frpIo "github.com/fatedier/golib/io"
 )
diff --git a/server/proxy/https.go b/server/proxy/https.go
index 4a1c999f..cd566462 100644
--- a/server/proxy/https.go
+++ b/server/proxy/https.go
@@ -17,9 +17,9 @@ package proxy
 import (
 	"strings"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/utils/util"
-	"github.com/fatedier/frp/utils/vhost"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/util/util"
+	"github.com/fatedier/frp/pkg/util/vhost"
 )
 
 type HTTPSProxy struct {
diff --git a/server/proxy/proxy.go b/server/proxy/proxy.go
index b82fce9e..88c23763 100644
--- a/server/proxy/proxy.go
+++ b/server/proxy/proxy.go
@@ -22,13 +22,13 @@ import (
 	"strconv"
 	"sync"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/msg"
-	plugin "github.com/fatedier/frp/models/plugin/server"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/msg"
+	plugin "github.com/fatedier/frp/pkg/plugin/server"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
+	"github.com/fatedier/frp/pkg/util/xlog"
 	"github.com/fatedier/frp/server/controller"
 	"github.com/fatedier/frp/server/metrics"
-	frpNet "github.com/fatedier/frp/utils/net"
-	"github.com/fatedier/frp/utils/xlog"
 
 	frpIo "github.com/fatedier/golib/io"
 )
diff --git a/server/proxy/stcp.go b/server/proxy/stcp.go
index 44be1b39..5ac47eaa 100644
--- a/server/proxy/stcp.go
+++ b/server/proxy/stcp.go
@@ -15,7 +15,7 @@
 package proxy
 
 import (
-	"github.com/fatedier/frp/models/config"
+	"github.com/fatedier/frp/pkg/config"
 )
 
 type STCPProxy struct {
diff --git a/server/proxy/sudp.go b/server/proxy/sudp.go
index 182c792a..c4dba6d6 100644
--- a/server/proxy/sudp.go
+++ b/server/proxy/sudp.go
@@ -15,7 +15,7 @@
 package proxy
 
 import (
-	"github.com/fatedier/frp/models/config"
+	"github.com/fatedier/frp/pkg/config"
 )
 
 type SUDPProxy struct {
diff --git a/server/proxy/tcp.go b/server/proxy/tcp.go
index 786c1a5d..420f43fe 100644
--- a/server/proxy/tcp.go
+++ b/server/proxy/tcp.go
@@ -18,7 +18,7 @@ import (
 	"fmt"
 	"net"
 
-	"github.com/fatedier/frp/models/config"
+	"github.com/fatedier/frp/pkg/config"
 )
 
 type TCPProxy struct {
diff --git a/server/proxy/tcpmux.go b/server/proxy/tcpmux.go
index d0da63be..16cbcff3 100644
--- a/server/proxy/tcpmux.go
+++ b/server/proxy/tcpmux.go
@@ -19,10 +19,10 @@ import (
 	"net"
 	"strings"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/consts"
-	"github.com/fatedier/frp/utils/util"
-	"github.com/fatedier/frp/utils/vhost"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/consts"
+	"github.com/fatedier/frp/pkg/util/util"
+	"github.com/fatedier/frp/pkg/util/vhost"
 )
 
 type TCPMuxProxy struct {
diff --git a/server/proxy/udp.go b/server/proxy/udp.go
index d87e0efd..09842655 100644
--- a/server/proxy/udp.go
+++ b/server/proxy/udp.go
@@ -21,11 +21,11 @@ import (
 	"net"
 	"time"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/msg"
-	"github.com/fatedier/frp/models/proto/udp"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/msg"
+	"github.com/fatedier/frp/pkg/proto/udp"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
 	"github.com/fatedier/frp/server/metrics"
-	frpNet "github.com/fatedier/frp/utils/net"
 
 	"github.com/fatedier/golib/errors"
 	frpIo "github.com/fatedier/golib/io"
diff --git a/server/proxy/xtcp.go b/server/proxy/xtcp.go
index 8dbb881a..317a3d48 100644
--- a/server/proxy/xtcp.go
+++ b/server/proxy/xtcp.go
@@ -17,8 +17,8 @@ package proxy
 import (
 	"fmt"
 
-	"github.com/fatedier/frp/models/config"
-	"github.com/fatedier/frp/models/msg"
+	"github.com/fatedier/frp/pkg/config"
+	"github.com/fatedier/frp/pkg/msg"
 
 	"github.com/fatedier/golib/errors"
 )
diff --git a/server/service.go b/server/service.go
index 3880d382..0bbe9552 100644
--- a/server/service.go
+++ b/server/service.go
@@ -26,26 +26,26 @@ import (
 	"time"
 
 	"github.com/fatedier/frp/assets"
-	"github.com/fatedier/frp/models/auth"
-	"github.com/fatedier/frp/models/config"
-	modelmetrics "github.com/fatedier/frp/models/metrics"
-	"github.com/fatedier/frp/models/msg"
-	"github.com/fatedier/frp/models/nathole"
-	plugin "github.com/fatedier/frp/models/plugin/server"
-	"github.com/fatedier/frp/models/transport"
+	"github.com/fatedier/frp/pkg/auth"
+	"github.com/fatedier/frp/pkg/config"
+	modelmetrics "github.com/fatedier/frp/pkg/metrics"
+	"github.com/fatedier/frp/pkg/msg"
+	"github.com/fatedier/frp/pkg/nathole"
+	plugin "github.com/fatedier/frp/pkg/plugin/server"
+	"github.com/fatedier/frp/pkg/transport"
+	"github.com/fatedier/frp/pkg/util/log"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
+	"github.com/fatedier/frp/pkg/util/tcpmux"
+	"github.com/fatedier/frp/pkg/util/util"
+	"github.com/fatedier/frp/pkg/util/version"
+	"github.com/fatedier/frp/pkg/util/vhost"
+	"github.com/fatedier/frp/pkg/util/xlog"
 	"github.com/fatedier/frp/server/controller"
 	"github.com/fatedier/frp/server/group"
 	"github.com/fatedier/frp/server/metrics"
 	"github.com/fatedier/frp/server/ports"
 	"github.com/fatedier/frp/server/proxy"
 	"github.com/fatedier/frp/server/visitor"
-	"github.com/fatedier/frp/utils/log"
-	frpNet "github.com/fatedier/frp/utils/net"
-	"github.com/fatedier/frp/utils/tcpmux"
-	"github.com/fatedier/frp/utils/util"
-	"github.com/fatedier/frp/utils/version"
-	"github.com/fatedier/frp/utils/vhost"
-	"github.com/fatedier/frp/utils/xlog"
 
 	"github.com/fatedier/golib/net/mux"
 	fmux "github.com/hashicorp/yamux"
diff --git a/server/visitor/visitor.go b/server/visitor/visitor.go
index 7b54ab13..4796b416 100644
--- a/server/visitor/visitor.go
+++ b/server/visitor/visitor.go
@@ -20,8 +20,8 @@ import (
 	"net"
 	"sync"
 
-	frpNet "github.com/fatedier/frp/utils/net"
-	"github.com/fatedier/frp/utils/util"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
+	"github.com/fatedier/frp/pkg/util/util"
 
 	frpIo "github.com/fatedier/golib/io"
 )
diff --git a/test/e2e/e2e.go b/test/e2e/e2e.go
index 60d73c5a..ce830fdc 100644
--- a/test/e2e/e2e.go
+++ b/test/e2e/e2e.go
@@ -3,8 +3,8 @@ package e2e
 import (
 	"testing"
 
+	"github.com/fatedier/frp/pkg/util/log"
 	"github.com/fatedier/frp/test/e2e/framework"
-	"github.com/fatedier/frp/utils/log"
 
 	"github.com/onsi/ginkgo"
 	"github.com/onsi/ginkgo/config"
diff --git a/test/e2e/e2e_test.go b/test/e2e/e2e_test.go
index afe77c3d..ea0bfdfa 100644
--- a/test/e2e/e2e_test.go
+++ b/test/e2e/e2e_test.go
@@ -6,8 +6,8 @@ import (
 	"os"
 	"testing"
 
+	"github.com/fatedier/frp/pkg/util/log"
 	"github.com/fatedier/frp/test/e2e/framework"
-	"github.com/fatedier/frp/utils/log"
 
 	// test source
 	_ "github.com/fatedier/frp/test/e2e/basic"
diff --git a/test/e2e/framework/process.go b/test/e2e/framework/process.go
index 5be4572e..1e477ee0 100644
--- a/test/e2e/framework/process.go
+++ b/test/e2e/framework/process.go
@@ -6,8 +6,8 @@ import (
 	"path/filepath"
 	"time"
 
+	flog "github.com/fatedier/frp/pkg/util/log"
 	"github.com/fatedier/frp/test/e2e/pkg/process"
-	flog "github.com/fatedier/frp/utils/log"
 )
 
 func GenerateConfigFile(path string, content string) error {
diff --git a/test/e2e/mock/echoserver/echoserver.go b/test/e2e/mock/echoserver/echoserver.go
index 9d51490e..09a20954 100644
--- a/test/e2e/mock/echoserver/echoserver.go
+++ b/test/e2e/mock/echoserver/echoserver.go
@@ -5,7 +5,7 @@ import (
 	"net"
 	"strings"
 
-	fnet "github.com/fatedier/frp/utils/net"
+	fnet "github.com/fatedier/frp/pkg/util/net"
 )
 
 type ServerType string
diff --git a/tests/mock/echo_server.go b/tests/mock/echo_server.go
index ad49a558..20ee1831 100644
--- a/tests/mock/echo_server.go
+++ b/tests/mock/echo_server.go
@@ -7,7 +7,7 @@ import (
 	"os"
 	"syscall"
 
-	frpNet "github.com/fatedier/frp/utils/net"
+	frpNet "github.com/fatedier/frp/pkg/util/net"
 )
 
 type EchoServer struct {