diff --git a/app/api/api.go b/app/api/api.go
new file mode 100644
index 00000000..f8e54727
--- /dev/null
+++ b/app/api/api.go
@@ -0,0 +1,12 @@
+package api
+
+import (
+	"github.com/v2ray/v2ray-core/app"
+)
+
+const (
+	APP_ID = app.ID(5)
+)
+
+type ApiServer struct {
+}
diff --git a/app/api/config.go b/app/api/config.go
new file mode 100644
index 00000000..8c5fe81c
--- /dev/null
+++ b/app/api/config.go
@@ -0,0 +1,9 @@
+package api
+
+import (
+	v2net "github.com/v2ray/v2ray-core/common/net"
+)
+
+type Config struct {
+	DirectPort v2net.Port
+}
diff --git a/common/protocol/raw/client.go b/common/protocol/raw/client.go
new file mode 100644
index 00000000..18ba229a
--- /dev/null
+++ b/common/protocol/raw/client.go
@@ -0,0 +1,99 @@
+package raw
+
+import (
+	"crypto/md5"
+	"crypto/rand"
+	"hash/fnv"
+	"io"
+
+	"github.com/v2ray/v2ray-core/common/alloc"
+	"github.com/v2ray/v2ray-core/common/crypto"
+	"github.com/v2ray/v2ray-core/common/protocol"
+)
+
+func hashTimestamp(t protocol.Timestamp) []byte {
+	once := t.Bytes()
+	bytes := make([]byte, 0, 32)
+	bytes = append(bytes, once...)
+	bytes = append(bytes, once...)
+	bytes = append(bytes, once...)
+	bytes = append(bytes, once...)
+	return bytes
+}
+
+type ClientSession struct {
+	requestBodyKey  []byte
+	requestBodyIV   []byte
+	responseHeader  byte
+	responseBodyKey []byte
+	responseBodyIV  []byte
+	idHash          protocol.IDHash
+}
+
+func NewClientSession(idHash protocol.IDHash) *ClientSession {
+	randomBytes := make([]byte, 33) // 16 + 16 + 1
+	rand.Read(randomBytes)
+
+	session := &ClientSession{}
+	session.requestBodyKey = randomBytes[:16]
+	session.requestBodyIV = randomBytes[16:32]
+	session.responseHeader = randomBytes[32]
+	session.idHash = idHash
+
+	return session
+}
+
+func (this *ClientSession) EncodeRequestHeader(header *protocol.RequestHeader, writer io.Writer) {
+	buffer := alloc.NewSmallBuffer().Clear()
+	defer buffer.Release()
+
+	timestamp := protocol.NewTimestampGenerator(protocol.NowTime(), 30)()
+	idHash := this.idHash(header.User.AnyValidID().Bytes())
+	idHash.Write(timestamp.Bytes())
+	idHash.Sum(buffer.Value)
+
+	encryptionBegin := buffer.Len()
+
+	buffer.AppendBytes(Version)
+	buffer.Append(this.requestBodyIV)
+	buffer.Append(this.requestBodyKey)
+	buffer.AppendBytes(this.responseHeader, byte(header.Option), byte(0), byte(0))
+	buffer.AppendBytes(byte(header.Command))
+	buffer.Append(header.Port.Bytes())
+
+	switch {
+	case header.Address.IsIPv4():
+		buffer.AppendBytes(AddrTypeIPv4)
+		buffer.Append(header.Address.IP())
+	case header.Address.IsIPv6():
+		buffer.AppendBytes(AddrTypeIPv6)
+		buffer.Append(header.Address.IP())
+	case header.Address.IsDomain():
+		buffer.AppendBytes(AddrTypeDomain, byte(len(header.Address.Domain())))
+		buffer.Append([]byte(header.Address.Domain()))
+	}
+
+	encryptionEnd := buffer.Len()
+
+	fnv1a := fnv.New32a()
+	fnv1a.Write(buffer.Value[encryptionBegin:encryptionEnd])
+
+	fnvHash := fnv1a.Sum32()
+	buffer.AppendBytes(byte(fnvHash>>24), byte(fnvHash>>16), byte(fnvHash>>8), byte(fnvHash))
+	encryptionEnd += 4
+
+	timestampHash := md5.New()
+	timestampHash.Write(hashTimestamp(timestamp))
+	iv := timestampHash.Sum(nil)
+	aesStream := crypto.NewAesEncryptionStream(header.User.ID.CmdKey(), iv)
+	aesStream.XORKeyStream(buffer.Value[encryptionBegin:encryptionEnd], buffer.Value[encryptionBegin:encryptionEnd])
+	writer.Write(buffer.Value)
+
+	return
+}
+
+func (this *ClientSession) EncodeRequestBody(writer io.Writer) io.Writer {
+	aesStream := crypto.NewAesEncryptionStream(this.requestBodyKey, this.requestBodyIV)
+	return crypto.NewCryptionWriter(aesStream, writer)
+}
+
diff --git a/common/protocol/raw/const.go b/common/protocol/raw/const.go
new file mode 100644
index 00000000..6731f5c3
--- /dev/null
+++ b/common/protocol/raw/const.go
@@ -0,0 +1,9 @@
+package raw
+
+const (
+	Version = byte(1)
+
+	AddrTypeIPv4   = byte(0x01)
+	AddrTypeIPv6   = byte(0x03)
+	AddrTypeDomain = byte(0x02)
+)
diff --git a/common/protocol/raw/request.go b/common/protocol/raw/request.go
deleted file mode 100644
index 364b42d6..00000000
--- a/common/protocol/raw/request.go
+++ /dev/null
@@ -1,13 +0,0 @@
-package raw
-
-type RequestEncoder struct {
-}
-
-type RequestDecoder struct {
-}
-
-type ResponseEncoder struct {
-}
-
-type ResponseDecoder struct {
-}
diff --git a/common/web/hooks/input.go b/common/web/hooks/input.go
new file mode 100644
index 00000000..75925f9b
--- /dev/null
+++ b/common/web/hooks/input.go
@@ -0,0 +1,6 @@
+package hooks
+
+type Input struct {
+	Action string
+	Value  string
+}
diff --git a/common/web/service.go b/common/web/service.go
new file mode 100644
index 00000000..d2da33d3
--- /dev/null
+++ b/common/web/service.go
@@ -0,0 +1,10 @@
+package web
+
+import (
+	"github.com/v2ray/v2ray-core/common/protocol"
+)
+
+type Authenciation struct {
+	Required bool
+	User     *protocol.User
+}