diff --git a/go.mod b/go.mod
index 23fce6a5..eb0cc311 100644
--- a/go.mod
+++ b/go.mod
@@ -3,12 +3,14 @@ module github.com/aceld/zinx
 go 1.17
 
 require (
-	github.com/golang/protobuf v1.5.3
 	github.com/gorilla/websocket v1.5.0
 	github.com/stretchr/testify v1.8.1
 	github.com/xtaci/kcp-go v5.4.20+incompatible
+	google.golang.org/protobuf v1.26.0 // indirect
 )
 
+require github.com/golang/protobuf v1.5.0
+
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/klauspost/cpuid/v2 v2.1.1 // indirect
@@ -22,6 +24,5 @@ require (
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/net v0.12.0 // indirect
 	golang.org/x/sys v0.10.0 // indirect
-	google.golang.org/protobuf v1.26.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index e0ce9faa..30b26277 100644
--- a/go.sum
+++ b/go.sum
@@ -20,9 +20,8 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
 github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.5.0 h1:LUVKkCeviFUMKqHa4tXIIij/lbhnMbP7Fn5wKdKkRh4=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
-github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
diff --git a/zinx_app_demo/mmo_game/pb/msg.pb.go b/zinx_app_demo/mmo_game/pb/msg.pb.go
index fb880b2f..caf302f8 100644
--- a/zinx_app_demo/mmo_game/pb/msg.pb.go
+++ b/zinx_app_demo/mmo_game/pb/msg.pb.go
@@ -20,6 +20,7 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
+// Synchronize client player ID
 // 同步客户端玩家ID
 type SyncPID struct {
 	PID                  int32    `protobuf:"varint,1,opt,name=PID,proto3" json:"PID,omitempty"`
@@ -60,7 +61,7 @@ func (m *SyncPID) GetPID() int32 {
 	return 0
 }
 
-// 玩家位置
+// Player position
 type Position struct {
 	X                    float32  `protobuf:"fixed32,1,opt,name=X,proto3" json:"X,omitempty"`
 	Y                    float32  `protobuf:"fixed32,2,opt,name=Y,proto3" json:"Y,omitempty"`
@@ -124,11 +125,14 @@ func (m *Position) GetV() float32 {
 	return 0
 }
 
+// Player broadcast data
 // 玩家广播数据
 type BroadCast struct {
 	PID int32 `protobuf:"varint,1,opt,name=PID,proto3" json:"PID,omitempty"`
-	Tp  int32 `protobuf:"varint,2,opt,name=Tp,proto3" json:"Tp,omitempty"`
-	// Types that are valID to be assigned to Data:
+	// 1 - World chat, 2 - Player position, 3 - Action, 4 - Update of coordinates after movement
+	// 1-世界聊天  2-玩家位置 3 动作 4 移动之后坐标信息更新
+	Tp int32 `protobuf:"varint,2,opt,name=Tp,proto3" json:"Tp,omitempty"`
+	// Types that are valid to be assigned to Data:
 	//	*BroadCast_Content
 	//	*BroadCast_P
 	//	*BroadCast_ActionData
@@ -236,6 +240,7 @@ func (*BroadCast) XXX_OneofWrappers() []interface{} {
 	}
 }
 
+// Player chat data
 // 玩家聊天数据
 type Talk struct {
 	Content              string   `protobuf:"bytes,1,opt,name=Content,proto3" json:"Content,omitempty"`
@@ -276,7 +281,7 @@ func (m *Talk) GetContent() string {
 	return ""
 }
 
-// 玩家信息
+// Player information
 type Player struct {
 	PID                  int32     `protobuf:"varint,1,opt,name=PID,proto3" json:"PID,omitempty"`
 	P                    *Position `protobuf:"bytes,2,opt,name=P,proto3" json:"P,omitempty"`
@@ -324,6 +329,7 @@ func (m *Player) GetP() *Position {
 	return nil
 }
 
+// Synchronize player display data
 // 同步玩家显示数据
 type SyncPlayers struct {
 	Ps                   []*Player `protobuf:"bytes,1,rep,name=ps,proto3" json:"ps,omitempty"`
@@ -379,20 +385,20 @@ var fileDescriptor_c06e4cca6c2cc899 = []byte{
 	// 278 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x91, 0xbf, 0x4e, 0xc3, 0x30,
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-	0x8d, 0x31, 0x6f, 0xdb, 0xc4, 0xff, 0xc5, 0xd3, 0x4f, 0x00, 0x00, 0x00, 0xff, 0xff, 0xe6, 0xb4,
-	0xb8, 0x13, 0x98, 0x01, 0x00, 0x00,
+	0x50, 0x24, 0x76, 0xd2, 0x0c, 0xe9, 0x66, 0x99, 0xa8, 0x6a, 0xbb, 0x39, 0xa5, 0x42, 0x15, 0x25,
+	0xb6, 0x62, 0x2f, 0x7d, 0x0c, 0x5e, 0x83, 0xa7, 0x44, 0x76, 0x54, 0x40, 0x6a, 0x27, 0xfb, 0xbb,
+	0xb3, 0x7f, 0xf7, 0xc9, 0x86, 0xf4, 0xd3, 0xbc, 0x97, 0x7a, 0x50, 0x56, 0x11, 0xac, 0x3b, 0x76,
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+	0x44, 0x79, 0x98, 0x01, 0x00, 0x00,
 }