diff --git a/experimental/CAPI/README.md b/experimental/CAPI/README.md
new file mode 100644
index 0000000..975735e
--- /dev/null
+++ b/experimental/CAPI/README.md
@@ -0,0 +1,5 @@
+# experimental/CAPI
+
+## 简介  
+
+实验性选手接口
diff --git a/experimental/CAPI/go/.gitignore b/experimental/CAPI/go/.gitignore
new file mode 100644
index 0000000..f00e123
--- /dev/null
+++ b/experimental/CAPI/go/.gitignore
@@ -0,0 +1,28 @@
+# If you prefer the allow list template instead of the deny list, see community template:
+# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
+#
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work
+
+# Protocol Buffers generated code directory
+/API/proto/
+
+# Executables
+/API/API
+/API/API.exe
diff --git a/experimental/CAPI/go/API/ai.go b/experimental/CAPI/go/API/ai.go
new file mode 100644
index 0000000..5cc86c6
--- /dev/null
+++ b/experimental/CAPI/go/API/ai.go
@@ -0,0 +1,15 @@
+package main
+
+import (
+	thuai6 "API/thuai6"
+)
+
+const Asynchronous = false
+
+func GetStudentType() []thuai6.StudentType {
+	return []thuai6.StudentType{thuai6.Athlete, thuai6.Teacher, thuai6.StraightAStudent, thuai6.Sunshine}
+}
+
+func GetTrickerType() thuai6.TrickerType {
+	return thuai6.Assassin
+}
diff --git a/experimental/CAPI/go/API/core/api.go b/experimental/CAPI/go/API/core/api.go
new file mode 100644
index 0000000..fd725e3
--- /dev/null
+++ b/experimental/CAPI/go/API/core/api.go
@@ -0,0 +1,80 @@
+package core
+
+import (
+	thuai6 "API/thuai6"
+)
+
+type ILogic interface {
+	Move(time int64, angle float64) bool
+	TryConnection() bool
+	GetStudentSelfInfo() *thuai6.Student
+	GetTrickerSelfInfo() *thuai6.Tricker
+}
+
+type StudentAPI struct {
+	logic ILogic
+}
+
+type TrickerAPI struct {
+	logic ILogic
+}
+
+func NewStudentAPI(logic ILogic) *StudentAPI {
+	return &StudentAPI{
+		logic: logic,
+	}
+}
+
+func NewTrickerAPI(logic ILogic) *TrickerAPI {
+	return &TrickerAPI{
+		logic: logic,
+	}
+}
+
+func (api *StudentAPI) Move(timeInMilliseconds int64, angleInRadian float64) <-chan bool {
+	res := make(chan bool, 1)
+	go func() {
+		res <- api.logic.Move(timeInMilliseconds, angleInRadian)
+	}()
+	return res
+}
+
+func (api *StudentAPI) GetSelfInfo() *thuai6.Student {
+	return api.logic.GetStudentSelfInfo()
+}
+
+func (api *StudentAPI) StartTimer() {
+	// Nothing
+}
+
+func (api *StudentAPI) EndTimer() {
+	// Nothing
+}
+
+func (api *StudentAPI) Play(ai thuai6.IAI) {
+	ai.StudentPlay(api)
+}
+
+func (api *TrickerAPI) Move(timeInMilliseconds int64, angleInRadian float64) <-chan bool {
+	res := make(chan bool, 1)
+	go func() {
+		res <- api.logic.Move(timeInMilliseconds, angleInRadian)
+	}()
+	return res
+}
+
+func (api *TrickerAPI) GetSelfInfo() *thuai6.Tricker {
+	return api.logic.GetTrickerSelfInfo()
+}
+
+func (api *TrickerAPI) StartTimer() {
+	// Nothing
+}
+
+func (api *TrickerAPI) EndTimer() {
+	// Nothing
+}
+
+func (api *TrickerAPI) Play(ai thuai6.IAI) {
+	ai.TrickerPlay(api)
+}
diff --git a/experimental/CAPI/go/API/core/communication.go b/experimental/CAPI/go/API/core/communication.go
new file mode 100644
index 0000000..7e4a198
--- /dev/null
+++ b/experimental/CAPI/go/API/core/communication.go
@@ -0,0 +1,97 @@
+package core
+
+import (
+	pb "API/proto"
+	thuai6 "API/thuai6"
+	"context"
+	"sync"
+
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+)
+
+type Communication struct {
+	stub            pb.AvailableServiceClient
+	messageToClient *pb.MessageToClient
+	haveNewMessage  bool
+	mtxMessage      sync.Mutex
+	cvMessage       *sync.Cond
+}
+
+func NewCommunication(ip string, port string) (*Communication, error) {
+	addr := ip + ":" + port
+	conn, err := grpc.Dial(addr, grpc.WithTransportCredentials(insecure.NewCredentials()))
+	if err != nil {
+		return nil, err
+	}
+	stub := pb.NewAvailableServiceClient(conn)
+	comm := &Communication{stub: stub, messageToClient: nil, haveNewMessage: false, mtxMessage: sync.Mutex{}}
+	comm.cvMessage = sync.NewCond(&comm.mtxMessage)
+	return comm, nil
+}
+
+func (self *Communication) TryConnection(playerID int64) bool {
+	res, err := self.stub.TryConnection(context.Background(), &pb.IDMsg{PlayerId: playerID})
+	if err != nil {
+		// TODO: do loggings
+		return false
+	}
+	return res.GetActSuccess()
+}
+
+func (self *Communication) AddPlayer(playerID int64, playerType thuai6.PlayerType, studentType thuai6.StudentType, trickerType thuai6.TrickerType) {
+	var playerMsg pb.PlayerMsg
+	playerMsg.PlayerId = playerID
+	playerMsg.PlayerType = thuai6.PlayerTypeToProto[playerType]
+	if playerType == thuai6.StudentPlayer {
+		playerMsg.JobType = &pb.PlayerMsg_StudentType{StudentType: thuai6.StudentTypeToProto[studentType]}
+	} else if playerType == thuai6.TrickerPlayer {
+		playerMsg.JobType = &pb.PlayerMsg_TrickerType{TrickerType: thuai6.TrickerTypeToProto[trickerType]}
+	} else {
+		// TODO: Report ERROR
+	}
+
+	go func() {
+		msgReader, err := self.stub.AddPlayer(context.Background(), &playerMsg)
+		if err != nil {
+			// TODO: Report ERROR
+		}
+		for {
+			msg, err := msgReader.Recv()
+			if err != nil {
+				break
+			}
+
+			func() {
+				self.mtxMessage.Lock()
+				defer self.mtxMessage.Unlock()
+				self.messageToClient = msg
+				self.haveNewMessage = true
+				self.cvMessage.Signal()
+			}()
+		}
+	}()
+}
+
+func (self *Communication) Move(time int64, angle float64, playerID int64) bool {
+	res, err := self.stub.Move(context.Background(), &pb.MoveMsg{
+		TimeInMilliseconds: time,
+		Angle:              angle,
+		PlayerId:           playerID,
+	})
+	if err != nil {
+		// TODO: do loggings
+		return false
+	}
+	return res.GetActSuccess()
+}
+
+func (self *Communication) GetMessageToClient() pb.MessageToClient {
+	self.mtxMessage.Lock()
+	defer self.mtxMessage.Unlock()
+	for !self.haveNewMessage {
+		self.cvMessage.Wait()
+	}
+	self.haveNewMessage = false
+	return *self.messageToClient
+}
diff --git a/experimental/CAPI/go/API/core/logic.go b/experimental/CAPI/go/API/core/logic.go
new file mode 100644
index 0000000..803332a
--- /dev/null
+++ b/experimental/CAPI/go/API/core/logic.go
@@ -0,0 +1,202 @@
+package core
+
+import (
+	"errors"
+	"sync"
+	"sync/atomic"
+
+	main "API"
+	pb "API/proto"
+	thuai6 "API/thuai6"
+)
+
+type Logic struct {
+	communication *Communication
+	playerType    thuai6.PlayerType
+	playerID      int64
+	studentType   thuai6.StudentType
+	trickerType   thuai6.TrickerType
+	timer         thuai6.IGameTimer
+	mtxAI         sync.Mutex
+	mtxState      sync.Mutex
+	mtxBuffer     sync.Mutex
+	cvBuffer      *sync.Cond
+	cvAI          *sync.Cond
+	state         [2]thuai6.State
+	currentState  *thuai6.State
+	bufferState   *thuai6.State
+	counterState  int32
+	counterBuffer int32
+	gameState     thuai6.GameState
+	aiStart       bool
+	bufferUpdated bool
+	aiLoop        int32
+	freshed       int32
+}
+
+func NewLogic(playerType thuai6.PlayerType, id int64, tricker thuai6.TrickerType, student thuai6.StudentType) *Logic {
+	logic := &Logic{
+		communication: nil,
+		playerType:    playerType,
+		playerID:      id,
+		studentType:   student,
+		trickerType:   tricker,
+		timer:         nil,
+		mtxAI:         sync.Mutex{},
+		mtxState:      sync.Mutex{},
+		mtxBuffer:     sync.Mutex{},
+		cvBuffer:      nil,
+		cvAI:          nil,
+		state:         [2]thuai6.State{},
+		counterState:  0,
+		counterBuffer: 0,
+		gameState:     thuai6.NullGameState,
+		aiStart:       false,
+		bufferUpdated: true,
+		aiLoop:        1,
+		freshed:       0,
+	}
+	logic.currentState = &logic.state[0]
+	logic.bufferState = &logic.state[1]
+	logic.cvBuffer = sync.NewCond(&logic.mtxBuffer)
+	logic.cvAI = sync.NewCond(&logic.mtxAI)
+	return logic
+}
+
+func (logic *Logic) GetStudentSelfInfo() *thuai6.Student {
+	logic.mtxState.Lock()
+	defer logic.mtxState.Unlock()
+	return logic.currentState.StudentSelf
+}
+
+func (logic *Logic) GetTrickerSelfInfo() *thuai6.Tricker {
+	logic.mtxState.Lock()
+	defer logic.mtxState.Unlock()
+	return logic.currentState.TrickerSelf
+}
+
+func (logic *Logic) Move(time int64, angle float64) bool {
+	return logic.communication.Move(time, angle, logic.playerID)
+}
+
+func (logic *Logic) TryConnection() bool {
+	return logic.communication.TryConnection(logic.playerID)
+}
+
+func (logic *Logic) Wait() {
+	atomic.StoreInt32(&logic.freshed, 0)
+	logic.mtxBuffer.Lock()
+	defer logic.mtxBuffer.Unlock()
+	for atomic.LoadInt32(&logic.freshed) == 0 {
+		logic.cvBuffer.Wait()
+	}
+}
+
+func (logic *Logic) Update() {
+	if main.Asynchronous == false {
+		logic.mtxBuffer.Lock()
+		defer logic.mtxBuffer.Unlock()
+		for logic.bufferUpdated == false {
+			logic.cvBuffer.Wait()
+		}
+		// Go 的 defer 是函数推出时执行而非 block 退出时执行，故包装一层 func
+		func() {
+			logic.mtxState.Lock()
+			defer logic.mtxState.Unlock()
+			var tmpState = logic.currentState
+			logic.currentState = logic.bufferState
+			logic.bufferState = tmpState
+			logic.counterState = logic.counterBuffer
+		}()
+		logic.bufferUpdated = false
+	}
+}
+
+func (logic *Logic) ProcessMessage() <-chan int {
+	endChan := make(chan int, 1)
+	go func() {
+		logic.communication.AddPlayer(logic.playerID, logic.playerType, logic.studentType, logic.trickerType)
+		for logic.gameState != thuai6.GameEnd {
+			clientMsg := logic.communication.GetMessageToClient()
+			logic.gameState = thuai6.GameStateToTHUAI6[clientMsg.GameState]
+			switch logic.gameState {
+			case thuai6.GameStart:
+				playerGUIDs := make([]int64, 0)
+				for _, obj := range clientMsg.ObjMessage {
+					switch obj.MessageOfObj.(type) {
+					case *(pb.MessageOfObj_StudentMessage):
+						playerGUIDs = append(playerGUIDs, obj.GetStudentMessage().GetGuid())
+					}
+				}
+				for _, obj := range clientMsg.ObjMessage {
+					switch obj.MessageOfObj.(type) {
+					case *(pb.MessageOfObj_TrickerMessage):
+						playerGUIDs = append(playerGUIDs, obj.GetTrickerMessage().GetGuid())
+					}
+				}
+				logic.currentState.Guids = playerGUIDs
+				logic.bufferState.Guids = playerGUIDs
+				// TODO: LoadBuffer
+				break
+			case thuai6.GameEnd:
+
+			}
+		}
+		// TODO: ProcessMessage
+		endChan <- 0
+	}()
+	return endChan
+}
+
+func (logic *Logic) Main(createAI thuai6.CreateAIFunc, ip string, port string) error {
+	comm, err := NewCommunication(ip, port)
+	if err != nil {
+		return err
+	}
+	logic.communication = comm
+
+	if logic.playerType == thuai6.StudentPlayer {
+		logic.timer = NewStudentAPI(logic)
+	} else if logic.playerType == thuai6.TrickerPlayer {
+		logic.timer = NewTrickerAPI(logic)
+	} else {
+		return errors.New("Invalid player type")
+	}
+
+	aiThread := func() {
+		// Go 的 defer 是函数推出时执行而非 block 退出时执行，故包装一层 func
+		func() {
+			logic.mtxAI.Lock()
+			defer logic.mtxAI.Unlock()
+			for logic.aiStart == false {
+				logic.cvAI.Wait()
+			}
+		}()
+		ai := createAI(logic.playerID)
+
+		for atomic.LoadInt32(&logic.aiLoop) != 0 {
+			if main.Asynchronous {
+				logic.Wait()
+			} else {
+				logic.Update()
+			}
+			logic.timer.StartTimer()
+			logic.timer.Play(ai)
+			logic.timer.EndTimer()
+		}
+	}
+
+	if logic.TryConnection() == false {
+		atomic.StoreInt32(&logic.aiLoop, 0)
+		return errors.New("Connection failed.")
+	}
+
+	aiEnd := make(chan int, 1)
+	go func() {
+		aiThread()
+		aiEnd <- 1
+	}()
+	<-logic.ProcessMessage()
+	<-aiEnd
+	return nil
+}
diff --git a/experimental/CAPI/go/API/go.mod b/experimental/CAPI/go/API/go.mod
new file mode 100644
index 0000000..a742248
--- /dev/null
+++ b/experimental/CAPI/go/API/go.mod
@@ -0,0 +1,13 @@
+module API
+
+go 1.18
+
+require (
+	github.com/golang/protobuf v1.5.2 // indirect
+	golang.org/x/net v0.8.0 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
+	google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f // indirect
+	google.golang.org/grpc v1.54.0 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
+)
diff --git a/experimental/CAPI/go/API/go.sum b/experimental/CAPI/go/API/go.sum
new file mode 100644
index 0000000..7f9e44e
--- /dev/null
+++ b/experimental/CAPI/go/API/go.sum
@@ -0,0 +1,19 @@
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
+github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+golang.org/x/net v0.8.0 h1:Zrh2ngAOFYneWTAIAPethzeaQLuHwhuBkuV6ZiRnUaQ=
+golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
+golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
+golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f h1:BWUVssLB0HVOSY78gIdvk1dTVYtT1y8SBWtPYuTJ/6w=
+google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f/go.mod h1:RGgjbofJ8xD9Sq1VVhDM1Vok1vRONV+rg+CjzG4SZKM=
+google.golang.org/grpc v1.54.0 h1:EhTqbhiYeixwWQtAEZAxmV9MGqcjEU2mFx52xCzNyag=
+google.golang.org/grpc v1.54.0/go.mod h1:PUSEXI6iWghWaB6lXM4knEgpJNu2qUcKfDtNci3EC2g=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
+google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
diff --git a/experimental/CAPI/go/API/main.go b/experimental/CAPI/go/API/main.go
new file mode 100644
index 0000000..2f14bfd
--- /dev/null
+++ b/experimental/CAPI/go/API/main.go
@@ -0,0 +1,18 @@
+package main
+
+import (
+	"fmt"
+	"log"
+)
+
+var ch = make(chan int, 1)
+
+func Func() {
+	log.Println(0)
+	ch <- 1
+	log.Fatalln(1)
+}
+
+func main() {
+	fmt.Println("THUAI6")
+}
diff --git a/experimental/CAPI/go/API/shell/init.sh b/experimental/CAPI/go/API/shell/init.sh
new file mode 100755
index 0000000..cdd0c2e
--- /dev/null
+++ b/experimental/CAPI/go/API/shell/init.sh
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+../../../dependency/proto/go_output.sh && go get
diff --git a/experimental/CAPI/go/API/thuai6/iai.go b/experimental/CAPI/go/API/thuai6/iai.go
new file mode 100644
index 0000000..cdaaa6d
--- /dev/null
+++ b/experimental/CAPI/go/API/thuai6/iai.go
@@ -0,0 +1,14 @@
+package thuai6
+
+type IGameTimer interface {
+	StartTimer()
+	EndTimer()
+	Play(ai IAI)
+}
+
+type IAI interface {
+	StudentPlay(api IStudentAPI)
+	TrickerPlay(api ITrickerAPI)
+}
+
+type CreateAIFunc = func(playerID int64) IAI
diff --git a/experimental/CAPI/go/API/thuai6/iapi.go b/experimental/CAPI/go/API/thuai6/iapi.go
new file mode 100644
index 0000000..5ee97f6
--- /dev/null
+++ b/experimental/CAPI/go/API/thuai6/iapi.go
@@ -0,0 +1,15 @@
+package thuai6
+
+type IAPI interface {
+	Move(timeInMilliseconds int64, angleInRadian float64) <-chan bool
+}
+
+type IStudentAPI interface {
+	IAPI
+	GetSelfInfo() *Student
+}
+
+type ITrickerAPI interface {
+	IAPI
+	GetSelfInfo() *Tricker
+}
diff --git a/experimental/CAPI/go/API/thuai6/state.go b/experimental/CAPI/go/API/thuai6/state.go
new file mode 100644
index 0000000..16fc3b8
--- /dev/null
+++ b/experimental/CAPI/go/API/thuai6/state.go
@@ -0,0 +1,7 @@
+package thuai6
+
+type State struct {
+	StudentSelf *Student
+	TrickerSelf *Tricker
+	Guids       []int64
+}
diff --git a/experimental/CAPI/go/API/thuai6/structures.go b/experimental/CAPI/go/API/thuai6/structures.go
new file mode 100644
index 0000000..22f0a10
--- /dev/null
+++ b/experimental/CAPI/go/API/thuai6/structures.go
@@ -0,0 +1,55 @@
+package thuai6
+
+type GameState int8
+
+const (
+	NullGameState GameState = 0
+	GameStart     GameState = 1
+	GameRunning   GameState = 2
+	GameEnd       GameState = 3
+)
+
+type PlayerType int8
+
+const (
+	NullPlayerType PlayerType = 0
+	StudentPlayer  PlayerType = 1
+	TrickerPlayer  PlayerType = 2
+)
+
+type StudentType int8
+
+const (
+	NullStudentType  StudentType = 0
+	Athlete          StudentType = 1
+	Teacher          StudentType = 2
+	StraightAStudent StudentType = 3
+	Robot            StudentType = 4
+	TechOtaku        StudentType = 5
+	Sunshine         StudentType = 6
+)
+
+type TrickerType int8
+
+const (
+	NullTrickerType TrickerType = 0
+	Assassin        TrickerType = 1
+	Klee            TrickerType = 2
+	ANoisyPerson    TrickerType = 3
+	Idol            TrickerType = 4
+)
+
+type Player struct {
+	x int32
+	y int32
+}
+
+type Student struct {
+	Player
+	determination int32
+}
+
+type Tricker struct {
+	Player
+	trickDesire float64
+}
diff --git a/experimental/CAPI/go/API/thuai6/utils.go b/experimental/CAPI/go/API/thuai6/utils.go
new file mode 100644
index 0000000..4be60c0
--- /dev/null
+++ b/experimental/CAPI/go/API/thuai6/utils.go
@@ -0,0 +1,38 @@
+package thuai6
+
+import (
+	pb "API/proto"
+)
+
+var (
+	PlayerTypeToProto map[PlayerType]pb.PlayerType = map[PlayerType]pb.PlayerType{
+		NullPlayerType: pb.PlayerType_NULL_PLAYER_TYPE,
+		StudentPlayer:  pb.PlayerType_STUDENT_PLAYER,
+		TrickerPlayer:  pb.PlayerType_TRICKER_PLAYER,
+	}
+
+	StudentTypeToProto map[StudentType]pb.StudentType = map[StudentType]pb.StudentType{
+		NullStudentType:  pb.StudentType_NULL_STUDENT_TYPE,
+		Athlete:          pb.StudentType_ATHLETE,
+		Teacher:          pb.StudentType_TEACHER,
+		StraightAStudent: pb.StudentType_STRAIGHT_A_STUDENT,
+		Robot:            pb.StudentType_ROBOT,
+		TechOtaku:        pb.StudentType_TECH_OTAKU,
+		Sunshine:         pb.StudentType_SUNSHINE,
+	}
+
+	TrickerTypeToProto map[TrickerType]pb.TrickerType = map[TrickerType]pb.TrickerType{
+		NullTrickerType: pb.TrickerType_NULL_TRICKER_TYPE,
+		Assassin:        pb.TrickerType_ASSASSIN,
+		Klee:            pb.TrickerType_KLEE,
+		ANoisyPerson:    pb.TrickerType_A_NOISY_PERSON,
+		Idol:            pb.TrickerType_IDOL,
+	}
+
+	GameStateToTHUAI6 map[pb.GameState]GameState = map[pb.GameState]GameState{
+		pb.GameState_NULL_GAME_STATE: NullGameState,
+		pb.GameState_GAME_START:      GameStart,
+		pb.GameState_GAME_RUNNING:    GameRunning,
+		pb.GameState_GAME_END:        GameEnd,
+	}
+)
diff --git a/experimental/CAPI/go/README.md b/experimental/CAPI/go/README.md
new file mode 100644
index 0000000..4b2bfad
--- /dev/null
+++ b/experimental/CAPI/go/README.md
@@ -0,0 +1,15 @@
+# experimental/CAPI/go
+
+## 简介  
+
+实验性选手 Go 接口
+
+## 运行方法
+
+**注意事项**：Visual Studio Code 的 Go 语言提示**必须**以 `main` package 所在的目录为根目录，否则可能无法进行正确的代码提示。因此以下操作的根目录均为 `/CPI/go/API/`
+
+```bash
+$ ./shell/init.sh
+$ go build
+$ ./API
+```
diff --git a/experimental/README.md b/experimental/README.md
new file mode 100644
index 0000000..c83b7e5
--- /dev/null
+++ b/experimental/README.md
@@ -0,0 +1,9 @@
+# experimental
+
+## 简介  
+
+进行实验性功能的探索
+
+## 注意事项
+
+本文件夹内的文件采用某历史版本，与新近版本未必一致。
diff --git a/experimental/dependency/README.md b/experimental/dependency/README.md
new file mode 100644
index 0000000..eb5db0c
--- /dev/null
+++ b/experimental/dependency/README.md
@@ -0,0 +1,3 @@
+# experimental/dependency
+
+实验性依赖文件
diff --git a/experimental/dependency/proto/Message2Clients.proto b/experimental/dependency/proto/Message2Clients.proto
new file mode 100755
index 0000000..fe5b97b
--- /dev/null
+++ b/experimental/dependency/proto/Message2Clients.proto
@@ -0,0 +1,204 @@
+// Message2Client
+syntax = "proto3";
+package protobuf;
+
+import "MessageType.proto";
+
+message MessageOfStudent
+{
+    int32 x = 1;
+    int32 y = 2;
+    int32 speed = 3;
+    int32 determination = 4; // 剩余的学习毅力，相当于血量
+    int32 addiction = 5; // 沉迷程度，相当于淘汰进度
+    repeated double time_until_skill_available = 6;
+    PlaceType place = 7;
+    repeated PropType prop = 8;
+    PlayerState player_state = 9;
+    int64 guid = 10;
+    BulletType bullet_type = 12;
+    int32 learning_speed = 13; // 修理电机的速度
+    int32 treat_speed = 14; // 治疗的速度
+    int64 player_id = 15;
+    int32 view_range = 16; // 视野距离
+    int32 radius = 17; // 半径
+    double danger_alert = 19; // 危险警报，在捣蛋鬼靠近时会有预警
+    int32 score = 20;
+    int32 treat_progress = 21; // 治疗进度
+    int32 rescue_progress = 22; // 救援进度
+    StudentType student_type = 23;
+    double facing_direction = 24;
+    repeated StudentBuffType buff = 25;
+}
+
+message MessageOfTricker
+{
+    int32 x = 1;
+    int32 y = 2;
+    int32 speed = 3;
+    repeated double time_until_skill_available = 5;
+    PlaceType place = 6;
+    repeated PropType prop = 7;
+    TrickerType tricker_type = 8;
+    int64 guid = 9;
+    int32 score = 10;
+    int64 player_id = 11;
+    int32 view_range = 12; // 视野距离
+    int32 radius = 13; // 半径
+    PlayerState player_state = 14;
+    double trick_desire = 15;//bgm
+    double class_volume = 16;//bgm
+    double facing_direction = 17;
+    BulletType bullet_type = 18;
+    repeated TrickerBuffType buff = 19;
+}
+
+message MessageOfBullet
+{
+    BulletType type = 1;
+    int32 x = 2;
+    int32 y = 3;
+    double facing_direction = 4;
+    int64 guid = 5;
+    PlayerType team = 6;
+    PlaceType place = 7;
+    double bomb_range = 8;
+    int32 speed = 9;
+}
+
+message MessageOfBombedBullet  //for Unity，直接继承自THUAI5
+{
+    BulletType type = 1;
+    int32 x = 2;
+    int32 y = 3;
+    double facing_direction = 4;
+    int64 mapping_id = 5;
+    double bomb_range = 6; 
+}
+
+message MessageOfProp // 可拾取道具的信息
+{
+    PropType type = 1;
+    int32 x = 2;
+    int32 y = 3;
+    double facing_direction = 4;
+    int64 guid = 5;
+    PlaceType place = 6;
+}
+
+
+message MessageOfPickedProp  //for Unity，直接继承自THUAI5
+{
+    PropType type = 1;
+    int32 x = 2;
+    int32 y = 3;
+    double facing_direction = 4;
+    int64 mapping_id = 5;
+}
+
+message MessageOfClassroom
+{
+    int32 x = 1;
+    int32 y = 2;
+    int32 progress = 3;
+}
+
+message MessageOfGate
+{
+    int32 x = 1;
+    int32 y = 2;
+    int32 progress = 3;
+}
+
+message MessageOfHiddenGate
+{
+    int32 x = 1;
+    int32 y = 2;
+    bool opened = 3;
+}
+
+message MessageOfDoor
+{
+    int32 x = 1;
+    int32 y = 2;
+    bool is_open = 3;
+    int32 progress = 4;
+}
+
+message MessageOfChest
+{
+    int32 x = 1;
+    int32 y = 2;
+    int32 progress = 3;
+}
+
+message MessageOfMap
+{
+    message Row
+    {
+        repeated PlaceType col = 1;
+    }
+    repeated Row row = 2;
+}
+
+message MessageOfNews
+{
+    string news = 1;
+    int64 from_id = 2;
+    int64 to_id = 3;
+}
+
+message MessageOfObj
+{
+    oneof message_of_obj
+    {
+        MessageOfStudent student_message = 1;
+        MessageOfTricker tricker_message = 2;
+        MessageOfProp prop_message = 3;
+        MessageOfBullet bullet_message = 4;
+        MessageOfBombedBullet bombed_bullet_message = 5;
+        MessageOfClassroom classroom_message = 6;
+        MessageOfDoor door_message = 7;
+        MessageOfGate gate_message = 8;
+        MessageOfChest chest_message = 9;
+        MessageOfHiddenGate hidden_gate_message = 10;
+        MessageOfNews news_message = 11;
+        MessageOfMap map_message = 12;
+    }
+}
+
+message MessageOfAll
+{
+    int32 game_time = 1;
+    int32 subject_finished = 2; // 完成的科目数
+    int32 student_graduated = 3; // 已经毕业的学生数
+    int32 student_quited = 4; // 已经退学的学生数
+    int32 student_score = 5;
+    int32 tricker_score = 6;
+}
+
+message MessageToClient
+{
+    repeated MessageOfObj obj_message = 1;
+    GameState game_state = 2;
+    MessageOfAll all_message = 3;
+}
+
+message MoveRes // 如果打算设计撞墙保留平行速度分量，且需要返回值则可用这个（大概没啥用）
+{
+    int64 actual_speed = 1;
+    double actual_angle = 2;
+    bool act_success = 3;
+}
+
+message BoolRes // 用于只需要判断执行操作是否成功的行为，如捡起道具、使用道具
+{
+    bool act_success = 1;
+}
+
+// message MsgRes // 用于获取队友发来的消息
+// {
+//     bool have_message = 1; // 是否有待接收的消息
+//     int64 from_player_id = 2;
+//     string message_received = 3;
+// }
diff --git a/experimental/dependency/proto/Message2Server.proto b/experimental/dependency/proto/Message2Server.proto
new file mode 100755
index 0000000..d14b3cd
--- /dev/null
+++ b/experimental/dependency/proto/Message2Server.proto
@@ -0,0 +1,74 @@
+// Message2Server
+syntax = "proto3";
+package protobuf;
+
+import "MessageType.proto";
+
+message PlayerMsg
+{
+    int64 player_id = 1;
+    oneof job_type
+    {
+        StudentType student_type = 2;
+        TrickerType tricker_type = 3;
+    }
+    PlayerType player_type = 4;
+}
+
+message MoveMsg
+{
+    int64 player_id = 1;
+    double angle = 2;
+    int64 time_in_milliseconds = 3;   
+}
+
+message PropMsg
+{
+    int64 player_id = 1;
+    PropType prop_type = 2;
+}
+
+message SendMsg
+{
+    int64 player_id = 1;
+    int64 to_player_id = 2;
+    string message = 3;
+}
+
+message AttackMsg // 相当于攻击
+{
+    int64 player_id = 1;
+    double angle = 2;
+}
+
+message IDMsg
+{
+    int64 player_id = 1;
+}
+
+message TreatAndRescueMsg
+{
+    int64 player_id = 1;
+    int64 to_player_id = 2;
+}
+
+message SkillMsg
+{
+    int64 player_id = 1;
+    int32 skill_id = 2;
+}
+
+// 基本继承于THUAI5，为了使发送的信息尽可能不被浪费，暂定不发这类大包。
+// message MessageToServer
+// {
+//     MessageType messageType = 1;
+//     int64 playerID = 2; // 消息发送者的playerID
+//     PlayerType playerType = 3;
+//     HumanType humanType= 4;
+//     TrickerType trickerType = 5;
+//     double angle = 6; // messageType为Move, Attack时的角度
+//     PropType propType = 7; // messageType为PickProp时要捡起的道具类型，防止多个道具堆叠时出现问题
+//     int64 timeInMilliseconds = 8;//时间参数
+//     int64 ToPlayerID = 9; // messageType为Send时要发送的对象的ID
+//     string message = 10; // messageType为Send时发送的消息内容
+// }
\ No newline at end of file
diff --git a/experimental/dependency/proto/MessageType.proto b/experimental/dependency/proto/MessageType.proto
new file mode 100755
index 0000000..9acbccb
--- /dev/null
+++ b/experimental/dependency/proto/MessageType.proto
@@ -0,0 +1,132 @@
+// MessageType
+syntax = "proto3";
+package protobuf;
+
+enum BulletType
+{
+    NULL_BULLET_TYPE = 0;
+    FLYING_KNIFE = 1;
+    COMMON_ATTACK_OF_TRICKER = 2;
+    BOMB_BOMB = 3;
+    JUMPY_DUMPTY = 4;
+    ATOM_BOMB = 5;
+}
+
+enum PlaceType // 地图中的所有物件类型
+{
+    NULL_PLACE_TYPE = 0;
+    
+    // 地图情况，其中Gate是总体的大门，HiddenGate是地窖
+    LAND = 1;
+    WALL = 2;
+    GRASS = 3;
+    CLASSROOM = 4;
+    GATE = 5;
+    HIDDEN_GATE = 6;
+    WINDOW = 7;
+    DOOR3 = 8;
+    DOOR5 = 9;
+    DOOR6 = 10;
+    CHEST = 11;
+    // 待补充有特殊效果的地形
+}
+
+enum ShapeType // 形状类型
+{
+    NULL_SHAPE_TYPE = 0;
+    CIRCLE = 1; // 人类、屠夫、可拾取道具等为圆形
+    SQUARE = 2; // 地形均为方形
+}
+
+enum PropType // 地图中的可拾取道具类型
+{
+    NULL_PROP_TYPE = 0;
+    ADD_SPEED = 1;
+    ADD_LIFE_OR_CLAIRAUDIENCE = 2;
+    ADD_HP_OR_AP = 3;
+    SHIELD_OR_SPEAR = 4;
+    KEY3 = 5;
+    KEY5 = 6;
+    KEY6 = 7;
+    RECOVERY_FROM_DIZZINESS = 8;
+}
+
+enum StudentBuffType // 人类可用的增益效果类型
+{
+    NULL_SBUFF_TYPE = 0;
+    STUDENT_ADD_SPEED = 1;
+    ADD_LIFE = 2;
+    SHIELD = 3;
+    STUDENT_INVISIBLE = 4;
+}
+
+enum PlayerState
+{
+    NULL_STATUS = 0;
+    IDLE = 1; // 正常状态
+    LEARNING = 2; // 学习状态，相当于在修机器
+    ADDICTED = 3; // 血条归零后原地沉迷游戏
+    QUIT = 4; // 退学状态，相当于寄了
+    GRADUATED = 5; // 毕业状态，相当于逃脱了
+    TREATED = 6;
+    RESCUED = 7;
+    STUNNED = 8;
+    TREATING = 9;
+    RESCUING = 10;
+    SWINGING = 11; // 后摇
+    ATTACKING = 12; // 前摇
+    LOCKING = 13;
+    RUMMAGING = 14;
+    CLIMBING = 15; // 翻窗
+    OPENING_A_CHEST =16;
+    USING_SPECIAL_SKILL = 17;
+    OPENING_A_GATE =18;
+}
+
+enum TrickerBuffType // 屠夫可用的增益效果类型
+{
+    NULL_TBUFF_TYPE = 0;
+    TRICKER_ADD_SPEED = 1;
+    SPEAR = 2;
+    ADD_AP = 3;
+    CLAIRAUDIENCE = 4;
+    TRICKER_INVISIBLE = 5;
+}
+
+// 特别说明：由于Student阵营和Tricker阵营有显著的隔离，且暂定职业、主动技能和被动效果相互绑定，故不按照THUAI5的方式区分ActiveSkillType和CharacterType，而是选择了按照阵营来给不同阵营赋予不同的职业（及技能）。
+
+enum PlayerType
+{
+    NULL_PLAYER_TYPE = 0;
+    STUDENT_PLAYER = 1;
+    TRICKER_PLAYER = 2;
+}
+
+enum StudentType
+{
+    NULL_STUDENT_TYPE = 0;
+    ATHLETE  = 1;
+    TEACHER = 2;
+    STRAIGHT_A_STUDENT = 3;
+    ROBOT = 4;
+    TECH_OTAKU =5;
+    SUNSHINE = 6;
+}
+
+enum TrickerType
+{
+    NULL_TRICKER_TYPE = 0;
+    ASSASSIN = 1;
+    KLEE = 2;
+    A_NOISY_PERSON = 3;
+    IDOL = 4;
+}
+
+// 游戏进行状态
+enum GameState
+{
+    NULL_GAME_STATE = 0;
+    GAME_START = 1;
+    GAME_RUNNING = 2;
+    GAME_END = 3;
+}
diff --git a/experimental/dependency/proto/Services.proto b/experimental/dependency/proto/Services.proto
new file mode 100755
index 0000000..92d4e59
--- /dev/null
+++ b/experimental/dependency/proto/Services.proto
@@ -0,0 +1,33 @@
+syntax = "proto3";
+package protobuf;
+
+import "Message2Clients.proto";
+import "Message2Server.proto";
+
+service AvailableService
+{
+    rpc TryConnection (IDMsg) returns(BoolRes);
+
+    // 游戏开局调用一次的服务
+    rpc AddPlayer (PlayerMsg) returns(stream MessageToClient); // 连接上后等待游戏开始，server会定时通过该服务向所有client发送消息。
+
+    // 游戏过程中玩家执行操作的服务
+    rpc Move (MoveMsg) returns (MoveRes);
+    rpc PickProp (PropMsg) returns (BoolRes);
+    rpc UseProp (PropMsg) returns (BoolRes);
+    rpc ThrowProp (PropMsg) returns (BoolRes);
+    rpc UseSkill (SkillMsg) returns (BoolRes);
+    rpc SendMessage (SendMsg) returns (BoolRes);
+    // rpc GetMessage (IDMsg) returns (stream MsgRes);
+    rpc StartLearning (IDMsg) returns (BoolRes); // 开始修理机器
+    rpc StartRescueMate (TreatAndRescueMsg) returns (BoolRes); // 开始救人
+    rpc StartTreatMate (TreatAndRescueMsg) returns (BoolRes); // 开始治疗
+    rpc Attack (AttackMsg) returns (BoolRes); // 攻击
+    rpc Graduate (IDMsg) returns (BoolRes); // 相当于逃跑
+    rpc OpenDoor (IDMsg) returns (BoolRes); // 开门
+    rpc CloseDoor (IDMsg) returns (BoolRes); // 关门
+    rpc SkipWindow (IDMsg) returns (BoolRes); // 窗户
+    rpc StartOpenGate (IDMsg) returns (BoolRes); // 开闸门
+    rpc StartOpenChest (IDMsg) returns (BoolRes);
+    rpc EndAllAction (IDMsg) returns (BoolRes); // 结束所有动作
+}
diff --git a/experimental/dependency/proto/buf.gen.tag.yaml b/experimental/dependency/proto/buf.gen.tag.yaml
new file mode 100644
index 0000000..25be191
--- /dev/null
+++ b/experimental/dependency/proto/buf.gen.tag.yaml
@@ -0,0 +1,10 @@
+version: v1
+managed:
+  enabled: true
+  go_package_prefix:
+    default: proto
+plugins:
+  - name: gotag
+    out: .
+    opt:
+      - auto=bson
diff --git a/experimental/dependency/proto/buf.gen.yaml b/experimental/dependency/proto/buf.gen.yaml
new file mode 100644
index 0000000..4693eba
--- /dev/null
+++ b/experimental/dependency/proto/buf.gen.yaml
@@ -0,0 +1,14 @@
+version: v1
+managed:
+  enabled: true
+  go_package_prefix:
+    default: job-API/proto
+plugins:
+  - name: go
+    out: proto
+    opt: paths=source_relative
+  - name: go-grpc
+    out: proto
+    opt:
+      - paths=source_relative
+      - require_unimplemented_servers=false
diff --git a/experimental/dependency/proto/go_output.sh b/experimental/dependency/proto/go_output.sh
new file mode 100755
index 0000000..bd859e1
--- /dev/null
+++ b/experimental/dependency/proto/go_output.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+set -e
+
+PROTO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
+pushd "${PROTO_DIR}"
+buf generate
+rm -rf ../../CAPI/go/API/proto
+mv -f proto ../../CAPI/go/API
+popd