diff --git a/proxy/vless/account.go b/proxy/vless/account.go
index b20a9539..5a6a90a2 100644
--- a/proxy/vless/account.go
+++ b/proxy/vless/account.go
@@ -15,6 +15,7 @@ func (a *Account) AsAccount() (protocol.Account, error) {
 		ID:         protocol.NewID(id),
 		Flow:       a.Flow,       // needs parser here?
 		Encryption: a.Encryption, // needs parser here?
+		Seed:       a.Seed,
 	}, nil
 }
 
@@ -26,6 +27,8 @@ type MemoryAccount struct {
 	Flow string
 	// Encryption of the account. Used for client connections, and only accepts "none" for now.
 	Encryption string
+	// Seed. Details TBD
+	Seed string
 }
 
 // Equals implements protocol.Account.Equals().
diff --git a/proxy/vless/account.pb.go b/proxy/vless/account.pb.go
index 203e3376..908f454a 100644
--- a/proxy/vless/account.pb.go
+++ b/proxy/vless/account.pb.go
@@ -31,6 +31,8 @@ type Account struct {
 	Flow string `protobuf:"bytes,2,opt,name=flow,proto3" json:"flow,omitempty"`
 	// Encryption settings. Only applies to client side, and only accepts "none" for now.
 	Encryption string `protobuf:"bytes,3,opt,name=encryption,proto3" json:"encryption,omitempty"`
+	// Seed settings. Details TBD
+	Seed string `protobuf:"bytes,4,opt,name=seed,proto3" json:"seed,omitempty"`
 }
 
 func (x *Account) Reset() {
@@ -86,23 +88,31 @@ func (x *Account) GetEncryption() string {
 	return ""
 }
 
+func (x *Account) GetSeed() string {
+	if x != nil {
+		return x.Seed
+	}
+	return ""
+}
+
 var File_proxy_vless_account_proto protoreflect.FileDescriptor
 
 var file_proxy_vless_account_proto_rawDesc = []byte{
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+	0x6c, 0x65, 0x73, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/proxy/vless/account.proto b/proxy/vless/account.proto
index 51d2cb7d..7b771744 100644
--- a/proxy/vless/account.proto
+++ b/proxy/vless/account.proto
@@ -13,4 +13,6 @@ message Account {
   string flow = 2;
   // Encryption settings. Only applies to client side, and only accepts "none" for now.
   string encryption = 3;
+  // Seed settings. Details TBD
+  string seed = 4;
 }
diff --git a/proxy/vless/encoding/addons.go b/proxy/vless/encoding/addons.go
index 14d32bd8..83bd340d 100644
--- a/proxy/vless/encoding/addons.go
+++ b/proxy/vless/encoding/addons.go
@@ -1,6 +1,7 @@
 package encoding
 
 import (
+	"bytes"
 	"context"
 	"io"
 
@@ -177,3 +178,64 @@ func (r *LengthPacketReader) ReadMultiBuffer() (buf.MultiBuffer, error) {
 	}
 	return mb, nil
 }
+
+func PopulateSeed(seed string, addons *Addons) {
+	if len(seed) > 0 {
+		addons.Seed = []byte {1} // only turn on, more TBD
+		addons.Mode = SeedMode_PaddingPlusDelay
+		addons.Duration = "0-8"
+		addons.Padding = &PaddingConfig{
+			RegularMin: 0,
+			RegularMax: 256,
+			LongMin:    900,
+			LongMax:    1400,
+		}
+		addons.Delay = &DelayConfig{
+			IsRandom: true,
+			MinMillis: 100,
+			MaxMillis: 500,
+		}
+		addons.Scheduler = &SchedulerConfig{
+			TimeoutMillis: 600,
+		}
+	}
+}
+
+func CheckSeed(requestAddons *Addons, responseAddons *Addons) error {
+	if !bytes.Equal(requestAddons.Seed, responseAddons.Seed) {
+		return newError("Seed bytes not match", requestAddons.Seed, responseAddons.Seed)
+	}
+	if requestAddons.Mode != responseAddons.Mode {
+		return newError("Mode not match", requestAddons.Mode, responseAddons.Mode)
+	}
+	if requestAddons.Duration != responseAddons.Duration {
+		return newError("Duration not match", requestAddons.Duration, responseAddons.Duration)
+	}
+	if requestAddons.Padding != nil && responseAddons.Padding != nil {
+		if requestAddons.Padding.RegularMin != responseAddons.Padding.RegularMin || 
+		requestAddons.Padding.RegularMax != responseAddons.Padding.RegularMax || 
+		requestAddons.Padding.LongMin != responseAddons.Padding.LongMin || 
+		requestAddons.Padding.LongMax != responseAddons.Padding.LongMax {
+			return newError("Padding not match")
+		}
+	} else if requestAddons.Padding != nil || responseAddons.Padding != nil {
+		return newError("Padding of one is nil but the other is not nil")
+	}
+	if requestAddons.Delay != nil && responseAddons.Delay != nil {
+		if requestAddons.Delay.IsRandom != responseAddons.Delay.IsRandom || 
+		requestAddons.Delay.MinMillis != responseAddons.Delay.MinMillis || 
+		requestAddons.Delay.MaxMillis != responseAddons.Delay.MaxMillis {
+			return newError("Delay not match")
+		}
+	} else if requestAddons.Delay != nil || responseAddons.Delay != nil {
+		return newError("Delay of one is nil but the other is not nil")
+	}
+	if requestAddons.Scheduler != nil && responseAddons.Scheduler != nil {
+		if requestAddons.Scheduler.TimeoutMillis != responseAddons.Scheduler.TimeoutMillis {
+			return newError("Scheduler not match")
+		}
+	} else if requestAddons.Scheduler != nil || responseAddons.Scheduler != nil {
+		return newError("Scheduler of one is nil but the other is not nil")
+	}
+	return nil
+}
diff --git a/proxy/vless/encoding/addons.pb.go b/proxy/vless/encoding/addons.pb.go
index 7089ad45..4842caf9 100644
--- a/proxy/vless/encoding/addons.pb.go
+++ b/proxy/vless/encoding/addons.pb.go
@@ -77,13 +77,13 @@ type Addons struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Flow            string           `protobuf:"bytes,1,opt,name=Flow,proto3" json:"Flow,omitempty"`
-	Seed            []byte           `protobuf:"bytes,2,opt,name=Seed,proto3" json:"Seed,omitempty"`
-	Mode            SeedMode         `protobuf:"varint,3,opt,name=Mode,proto3,enum=xray.proxy.vless.encoding.SeedMode" json:"Mode,omitempty"`
-	Duration        string           `protobuf:"bytes,4,opt,name=Duration,proto3" json:"Duration,omitempty"` // "0-8" means apply to number of packets, "1kb-" means start applying once both side exchange 1kb data, counting two-ways
-	Padding         *PaddingConfig   `protobuf:"bytes,5,opt,name=Padding,proto3" json:"Padding,omitempty"`
-	Delay           *DelayConfig     `protobuf:"bytes,6,opt,name=Delay,proto3" json:"Delay,omitempty"`
-	SchedulerConfig *SchedulerConfig `protobuf:"bytes,7,opt,name=SchedulerConfig,proto3" json:"SchedulerConfig,omitempty"`
+	Flow      string           `protobuf:"bytes,1,opt,name=Flow,proto3" json:"Flow,omitempty"`
+	Seed      []byte           `protobuf:"bytes,2,opt,name=Seed,proto3" json:"Seed,omitempty"`
+	Mode      SeedMode         `protobuf:"varint,3,opt,name=Mode,proto3,enum=xray.proxy.vless.encoding.SeedMode" json:"Mode,omitempty"`
+	Duration  string           `protobuf:"bytes,4,opt,name=Duration,proto3" json:"Duration,omitempty"` // "0-8" means apply to number of packets, "1kb-" means start applying once both side exchange 1kb data, counting two-ways
+	Padding   *PaddingConfig   `protobuf:"bytes,5,opt,name=Padding,proto3" json:"Padding,omitempty"`
+	Delay     *DelayConfig     `protobuf:"bytes,6,opt,name=Delay,proto3" json:"Delay,omitempty"`
+	Scheduler *SchedulerConfig `protobuf:"bytes,7,opt,name=Scheduler,proto3" json:"Scheduler,omitempty"`
 }
 
 func (x *Addons) Reset() {
@@ -160,9 +160,9 @@ func (x *Addons) GetDelay() *DelayConfig {
 	return nil
 }
 
-func (x *Addons) GetSchedulerConfig() *SchedulerConfig {
+func (x *Addons) GetScheduler() *SchedulerConfig {
 	if x != nil {
-		return x.SchedulerConfig
+		return x.Scheduler
 	}
 	return nil
 }
@@ -354,7 +354,7 @@ var file_proxy_vless_encoding_addons_proto_rawDesc = []byte{
 	0x0a, 0x21, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x76, 0x6c, 0x65, 0x73, 0x73, 0x2f, 0x65, 0x6e,
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@@ -371,44 +371,43 @@ var file_proxy_vless_encoding_addons_proto_rawDesc = []byte{
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 }
 
 var (
@@ -436,7 +435,7 @@ var file_proxy_vless_encoding_addons_proto_depIdxs = []int32{
 	0, // 0: xray.proxy.vless.encoding.Addons.Mode:type_name -> xray.proxy.vless.encoding.SeedMode
 	2, // 1: xray.proxy.vless.encoding.Addons.Padding:type_name -> xray.proxy.vless.encoding.PaddingConfig
 	3, // 2: xray.proxy.vless.encoding.Addons.Delay:type_name -> xray.proxy.vless.encoding.DelayConfig
-	4, // 3: xray.proxy.vless.encoding.Addons.SchedulerConfig:type_name -> xray.proxy.vless.encoding.SchedulerConfig
+	4, // 3: xray.proxy.vless.encoding.Addons.Scheduler:type_name -> xray.proxy.vless.encoding.SchedulerConfig
 	4, // [4:4] is the sub-list for method output_type
 	4, // [4:4] is the sub-list for method input_type
 	4, // [4:4] is the sub-list for extension type_name
diff --git a/proxy/vless/encoding/addons.proto b/proxy/vless/encoding/addons.proto
index 4a7d12f1..4820ef50 100644
--- a/proxy/vless/encoding/addons.proto
+++ b/proxy/vless/encoding/addons.proto
@@ -13,7 +13,7 @@ message Addons {
   string Duration = 4;  // "0-8" means apply to number of packets, "1kb-" means start applying once both side exchange 1kb data, counting two-ways
   PaddingConfig Padding = 5;
   DelayConfig Delay = 6;
-  SchedulerConfig SchedulerConfig = 7;
+  SchedulerConfig Scheduler = 7;
 }
 
 enum SeedMode {
diff --git a/proxy/vless/inbound/inbound.go b/proxy/vless/inbound/inbound.go
index 0ffa61d2..b834a336 100644
--- a/proxy/vless/inbound/inbound.go
+++ b/proxy/vless/inbound/inbound.go
@@ -443,6 +443,10 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 	responseAddons := &encoding.Addons{
 		// Flow: requestAddons.Flow,
 	}
+	encoding.PopulateSeed(account.Seed, responseAddons)
+	if check := encoding.CheckSeed(requestAddons, responseAddons); check != nil {
+		return newError("Seed configuration mis-match").Base(check).AtWarning()
+	}
 
 	var input *bytes.Reader
 	var rawInput *bytes.Buffer
diff --git a/proxy/vless/outbound/outbound.go b/proxy/vless/outbound/outbound.go
index a9368813..a8d712f2 100644
--- a/proxy/vless/outbound/outbound.go
+++ b/proxy/vless/outbound/outbound.go
@@ -120,6 +120,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 	requestAddons := &encoding.Addons{
 		Flow: account.Flow,
 	}
+	encoding.PopulateSeed(account.Seed, requestAddons)
 
 	var input *bytes.Reader
 	var rawInput *bytes.Buffer