diff --git a/core/connection.go b/core/connection.go
index e704836..5b5a26d 100644
--- a/core/connection.go
+++ b/core/connection.go
@@ -3,9 +3,9 @@ package core
 import (
 	"errors"
 	"fmt"
-	"git.noahlan.cn/northlan/nnet/internal/log"
-	"git.noahlan.cn/northlan/nnet/internal/packet"
 	"git.noahlan.cn/northlan/nnet/internal/pool"
+	"git.noahlan.cn/northlan/nnet/log"
+	"git.noahlan.cn/northlan/nnet/packet"
 	"git.noahlan.cn/northlan/nnet/scheduler"
 	"git.noahlan.cn/northlan/nnet/session"
 	"net"
diff --git a/core/engine.go b/core/engine.go
index d333126..40c1b4c 100644
--- a/core/engine.go
+++ b/core/engine.go
@@ -2,9 +2,9 @@ package core
 
 import (
 	"errors"
-	"git.noahlan.cn/northlan/nnet/internal/log"
-	"git.noahlan.cn/northlan/nnet/internal/packet"
 	"git.noahlan.cn/northlan/nnet/internal/pool"
+	"git.noahlan.cn/northlan/nnet/log"
+	"git.noahlan.cn/northlan/nnet/packet"
 	"git.noahlan.cn/northlan/nnet/scheduler"
 	"git.noahlan.cn/northlan/nnet/serialize"
 	"git.noahlan.cn/northlan/nnet/session"
diff --git a/core/nnet_router.go b/core/nnet_router.go
index ce97f30..99a9999 100644
--- a/core/nnet_router.go
+++ b/core/nnet_router.go
@@ -2,8 +2,8 @@ package core
 
 import (
 	"errors"
-	"git.noahlan.cn/northlan/nnet/internal/log"
-	"git.noahlan.cn/northlan/nnet/internal/packet"
+	"git.noahlan.cn/northlan/nnet/log"
+	"git.noahlan.cn/northlan/nnet/packet"
 )
 
 type nNetRouter struct {
diff --git a/core/processor.go b/core/processor.go
index 403818e..f7e3059 100644
--- a/core/processor.go
+++ b/core/processor.go
@@ -1,6 +1,6 @@
 package core
 
-import "git.noahlan.cn/northlan/nnet/internal/packet"
+import "git.noahlan.cn/northlan/nnet/packet"
 
 type (
 	Processor interface {
diff --git a/core/processor_nnet.go b/core/processor_nnet.go
index b20a40a..5cb66a5 100644
--- a/core/processor_nnet.go
+++ b/core/processor_nnet.go
@@ -4,8 +4,8 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"git.noahlan.cn/northlan/nnet/internal/log"
-	"git.noahlan.cn/northlan/nnet/internal/packet"
+	"git.noahlan.cn/northlan/nnet/log"
+	"git.noahlan.cn/northlan/nnet/packet"
 	"time"
 )
 
diff --git a/core/server.go b/core/server.go
index cd8d61a..d4af948 100644
--- a/core/server.go
+++ b/core/server.go
@@ -2,8 +2,8 @@ package core
 
 import (
 	"git.noahlan.cn/northlan/nnet/internal/env"
-	"git.noahlan.cn/northlan/nnet/internal/log"
-	"git.noahlan.cn/northlan/nnet/internal/packet"
+	"git.noahlan.cn/northlan/nnet/log"
+	"git.noahlan.cn/northlan/nnet/packet"
 	"git.noahlan.cn/northlan/nnet/serialize"
 	"net/http"
 	"time"
diff --git a/core/server_test.go b/core/server_test.go
index b4a4c13..0240645 100644
--- a/core/server_test.go
+++ b/core/server_test.go
@@ -2,8 +2,8 @@ package core
 
 import (
 	"fmt"
-	"git.noahlan.cn/northlan/nnet/internal/log"
-	"git.noahlan.cn/northlan/nnet/internal/packet"
+	"git.noahlan.cn/northlan/nnet/log"
+	"git.noahlan.cn/northlan/nnet/packet"
 	"testing"
 	"time"
 )
diff --git a/core/types.go b/core/types.go
index 6ffc16b..2c644f7 100644
--- a/core/types.go
+++ b/core/types.go
@@ -1,6 +1,6 @@
 package core
 
-import "git.noahlan.cn/northlan/nnet/internal/packet"
+import "git.noahlan.cn/northlan/nnet/packet"
 
 type (
 	Handler interface {
diff --git a/internal/log/logger.go b/log/logger.go
similarity index 100%
rename from internal/log/logger.go
rename to log/logger.go
diff --git a/internal/packet/packer_nnet.go b/packet/packer_nnet.go
similarity index 100%
rename from internal/packet/packer_nnet.go
rename to packet/packer_nnet.go
diff --git a/internal/packet/packer_nnet_test.go b/packet/packer_nnet_test.go
similarity index 100%
rename from internal/packet/packer_nnet_test.go
rename to packet/packer_nnet_test.go
diff --git a/internal/packet/packet.go b/packet/packet.go
similarity index 100%
rename from internal/packet/packet.go
rename to packet/packet.go
diff --git a/internal/packet/packet_nnet.go b/packet/packet_nnet.go
similarity index 100%
rename from internal/packet/packet_nnet.go
rename to packet/packet_nnet.go
diff --git a/scheduler/scheduler.go b/scheduler/scheduler.go
index 3155275..f0fd2a4 100644
--- a/scheduler/scheduler.go
+++ b/scheduler/scheduler.go
@@ -2,7 +2,7 @@ package scheduler
 
 import (
 	"git.noahlan.cn/northlan/nnet/internal/env"
-	"git.noahlan.cn/northlan/nnet/internal/log"
+	"git.noahlan.cn/northlan/nnet/log"
 	"runtime/debug"
 	"sync/atomic"
 	"time"
diff --git a/scheduler/timer.go b/scheduler/timer.go
index 586f30d..e9815aa 100644
--- a/scheduler/timer.go
+++ b/scheduler/timer.go
@@ -1,7 +1,7 @@
 package scheduler
 
 import (
-	"git.noahlan.cn/northlan/nnet/internal/log"
+	"git.noahlan.cn/northlan/nnet/log"
 	"math"
 	"runtime/debug"
 	"sync"
diff --git a/serialize/json/json.go b/serialize/json/json.go
index 28003b6..b75bd17 100644
--- a/serialize/json/json.go
+++ b/serialize/json/json.go
@@ -2,7 +2,7 @@ package json
 
 import (
 	"encoding/json"
-	"git.noahlan.cn/northlan/nnet/core/serialize"
+	"git.noahlan.cn/northlan/nnet/serialize"
 )
 
 type Serializer struct{}
diff --git a/serialize/protobuf/protobuf.go b/serialize/protobuf/protobuf.go
index ec69388..88bff2d 100644
--- a/serialize/protobuf/protobuf.go
+++ b/serialize/protobuf/protobuf.go
@@ -2,7 +2,7 @@ package protobuf
 
 import (
 	"errors"
-	"git.noahlan.cn/northlan/nnet/core/serialize"
+	"git.noahlan.cn/northlan/nnet/serialize"
 	"google.golang.org/protobuf/proto"
 )