diff --git a/examples/hello/main.go b/examples/hello/main.go
index 06c3a30..87b6082 100644
--- a/examples/hello/main.go
+++ b/examples/hello/main.go
@@ -46,10 +46,10 @@ func HelloHandlers() agent.Handlers {
 
 func HelloA(tick agent.Ticker) (behavior3go.Status, error) {
 	var p *Player
-	one := tick.Marget().InviteAcc()
+	one := tick.Market().InviteAcc()
 	if one == nil {
 		p = NewPlayer(xid.New().String())
-		tick.Marget().UseAcc(p)
+		tick.Market().UseAcc(p)
 		fmt.Println("new player id", p.ID())
 	} else {
 		p = one.(*Player)
@@ -66,15 +66,15 @@ func HelloB(tick agent.Ticker) (behavior3go.Status, error) {
 
 func HelloC(tick agent.Ticker) (behavior3go.Status, error) {
 	p := tick.Blackboard().GetMem("player").(*Player)
-	if tick.Marget().Index()%2 == 0 {
-		m := tick.Marget().InviteOne()
+	if tick.Market().Index()%2 == 0 {
+		m := tick.Market().InviteOne()
 		if m != nil {
 			fmt.Println("invite player success: ", m.(*Player).id)
 		} else {
 			fmt.Println("invite player failed")
 		}
 	} else {
-		tick.Marget().JoinOne(p)
+		tick.Market().JoinOne(p)
 		fmt.Println("player join team: ", p.id)
 	}
 	return behavior3go.SUCCESS, nil
@@ -93,14 +93,14 @@ func HelloE(tick agent.Ticker) (behavior3go.Status, error) {
 
 func newUser(tick agent.Ticker) (behavior3go.Status, error) {
 	player := NewPlayer(xid.New().String())
-	tick.Marget().PushOne(player)
+	tick.Market().PushOne(player)
 	tick.Blackboard().SetMem("userId", player.id)
 	return behavior3go.SUCCESS, nil
 }
 
 func addFriend(tick agent.Ticker) (behavior3go.Status, error) {
 	userID := tick.Blackboard().GetMem("userId").(string)
-	one := tick.Marget().RequireOne(func(one agent.One) bool {
+	one := tick.Market().RequireOne(func(one agent.One) bool {
 		player := one.(*Player)
 		return player.ID() != userID
 	})
@@ -114,12 +114,12 @@ func addFriend(tick agent.Ticker) (behavior3go.Status, error) {
 }
 
 func buildTeam(tick agent.Ticker) (behavior3go.Status, error) {
-	index := tick.Marget().Index()
+	index := tick.Market().Index()
 	userID := tick.Blackboard().GetMem("userId").(string)
 	if index%2 == 1 {
-		tick.Marget().JoinOne(NewPlayer(userID))
+		tick.Market().JoinOne(NewPlayer(userID))
 	} else {
-		one := tick.Marget().InviteOne()
+		one := tick.Market().InviteOne()
 		if one == nil {
 			fmt.Println("no found player to build team")
 		} else {
diff --git a/pkg/agent/manager.go b/pkg/agent/manager.go
index 1211249..4e9034c 100644
--- a/pkg/agent/manager.go
+++ b/pkg/agent/manager.go
@@ -154,7 +154,8 @@ func (m *manager) startExecutor(executor *executor, market *Market) {
 			withStatPID(actuaryID).
 			withBeTree(executor.treeCreator()).
 			withMarket(market).
-			withAlert(m.alert)
+			withAlert(m.alert).
+			withParams(executor.plan.Params)
 		if i%parallel == 0 && i/parallel > 0 {
 			<-ticker.C
 		}
diff --git a/pkg/agent/robot.go b/pkg/agent/robot.go
index 2fdcbce..ab5d79a 100644
--- a/pkg/agent/robot.go
+++ b/pkg/agent/robot.go
@@ -23,6 +23,7 @@ type job struct {
 	ctx       context.Context
 	market    *Market
 	alert     Alert
+	params    map[string]string
 }
 
 func newJob() *job {
@@ -59,6 +60,19 @@ func (t *job) withAlert(alert Alert) *job {
 	return t
 }
 
+func (t *job) withParams(params map[string]string) *job {
+	t.params = params
+	return t
+}
+
+func (t *job) newBoard() *core.Blackboard {
+	board := core.NewBlackboard()
+	for key, val := range t.params {
+		board.SetMem(key, val)
+	}
+	return board
+}
+
 type robot struct {
 	task *job
 }
@@ -70,7 +84,7 @@ func newRobot(j *job) *robot {
 func (r *robot) execute(rootCtx *actor.RootContext) {
 	start := time.Now()
 	outcome := transfer.Outcome{Name: "whole_process"}
-	board := core.NewBlackboard()
+	board := r.task.newBoard()
 	tick := NewTick()
 	tick.market = r.task.market
 	tick.ctx = r.task.ctx
diff --git a/pkg/agent/tick.go b/pkg/agent/tick.go
index 184e7f2..fe55c02 100644
--- a/pkg/agent/tick.go
+++ b/pkg/agent/tick.go
@@ -35,6 +35,15 @@ func (s *Signal) Slave() <-chan One {
 	return s.market.getSlave()
 }
 
+type ParamNotFound struct {
+}
+
+func (p ParamNotFound) Error() string {
+	return "NotFoundParam"
+}
+
+var paramError = ParamNotFound{}
+
 type One interface {
 	ID() string
 }
@@ -174,6 +183,10 @@ type Ticker interface {
 	actorCtx() *actor.RootContext
 	RecvTime(unixNano string)
 	SendTime(unixNano string)
+	GetParamInt(key string) (int, error)
+	GetParamBool(key string) (bool, error)
+	GetParamFloat(key string) (float64, error)
+	GetParamString(key string) (string, error)
 }
 
 type Tick struct {
@@ -242,6 +255,66 @@ func (t *Tick) SendAlertMsg(msg *ErrMsg) error {
 	return nil
 }
 
+func (t *Tick) GetParamString(key string) (string, error) {
+	val := t.Blackboard().GetMem(key)
+	if val == nil {
+		return "", paramError
+	}
+	rs, ok := val.(string)
+	if !ok {
+		return "", paramError
+	}
+	return rs, nil
+}
+
+func (t *Tick) GetParamInt(key string) (int, error) {
+	val := t.Blackboard().GetMem(key)
+	if val == nil {
+		return 0, paramError
+	}
+	str, ok := val.(string)
+	if !ok {
+		return 0, paramError
+	}
+	num, err := strconv.Atoi(str)
+	if err != nil {
+		return 0, err
+	}
+	return num, nil
+}
+
+func (t *Tick) GetParamBool(key string) (bool, error) {
+	val := t.Blackboard().GetMem(key)
+	if val == nil {
+		return false, paramError	
+	}
+	str, ok := val.(string)
+	if !ok {
+		return false, paramError
+	} 
+	rs, err := strconv.ParseBool(str)
+	if err != nil {
+		return false, err
+	}
+	return rs, nil
+}
+
+func (t *Tick) GetParamFloat(key string) (float64, error) {
+	val := t.Blackboard().GetMem(key)
+	if val == nil {
+		return 0, paramError
+	}
+	str, ok := val.(string)
+	if !ok {
+		return 0, paramError
+	}
+	rs, err := strconv.ParseFloat(str, 64)
+	if err != nil {
+		return 0, err
+	}
+	return rs, nil
+}
+
 func strToInt64(s string) int64 {
 	v, err := strconv.ParseInt(s, 10, 64)
 	if err != nil {
diff --git a/pkg/transfer/transfer.pb.go b/pkg/transfer/transfer.pb.go
index dd8e5ef..4f69129 100644
--- a/pkg/transfer/transfer.pb.go
+++ b/pkg/transfer/transfer.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
+// 	protoc-gen-go v1.27.1
 // 	protoc        v3.13.0
 // source: transfer.proto
 
@@ -239,10 +239,11 @@ type Plan struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	TreeName string `protobuf:"bytes,1,opt,name=treeName,proto3" json:"treeName,omitempty"`
-	RobotNum int32  `protobuf:"varint,2,opt,name=robotNum,proto3" json:"robotNum,omitempty"`
-	Parallel int32  `protobuf:"varint,3,opt,name=parallel,proto3" json:"parallel,omitempty"`
-	Interval int32  `protobuf:"varint,4,opt,name=interval,proto3" json:"interval,omitempty"`
+	TreeName string            `protobuf:"bytes,1,opt,name=treeName,proto3" json:"treeName,omitempty"`
+	RobotNum int32             `protobuf:"varint,2,opt,name=robotNum,proto3" json:"robotNum,omitempty"`
+	Parallel int32             `protobuf:"varint,3,opt,name=parallel,proto3" json:"parallel,omitempty"`
+	Interval int32             `protobuf:"varint,4,opt,name=interval,proto3" json:"interval,omitempty"`
+	Params   map[string]string `protobuf:"bytes,5,rep,name=params,proto3" json:"params,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 }
 
 func (x *Plan) Reset() {
@@ -305,6 +306,13 @@ func (x *Plan) GetInterval() int32 {
 	return 0
 }
 
+func (x *Plan) GetParams() map[string]string {
+	if x != nil {
+		return x.Params
+	}
+	return nil
+}
+
 type Event struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -953,132 +961,138 @@ var file_transfer_proto_rawDesc = []byte{
 	0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x07, 0x2e, 0x41, 0x43, 0x54, 0x49, 0x4f,
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+	0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1094,7 +1108,7 @@ func file_transfer_proto_rawDescGZIP() []byte {
 }
 
 var file_transfer_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
-var file_transfer_proto_msgTypes = make([]protoimpl.MessageInfo, 14)
+var file_transfer_proto_msgTypes = make([]protoimpl.MessageInfo, 15)
 var file_transfer_proto_goTypes = []interface{}{
 	(ACTION)(0),        // 0: ACTION
 	(STATUS)(0),        // 1: STATUS
@@ -1109,34 +1123,36 @@ var file_transfer_proto_goTypes = []interface{}{
 	(*PlanReply)(nil),  // 10: PlanReply
 	(*Outcome)(nil),    // 11: Outcome
 	(*Report)(nil),     // 12: Report
-	nil,                // 13: Event.EnvironmentsEntry
-	nil,                // 14: Quantity.ErrorMapEntry
-	nil,                // 15: Quantities.HandlerEntry
-	nil,                // 16: Quantities.EventEntry
+	nil,                // 13: Plan.ParamsEntry
+	nil,                // 14: Event.EnvironmentsEntry
+	nil,                // 15: Quantity.ErrorMapEntry
+	nil,                // 16: Quantities.HandlerEntry
+	nil,                // 17: Quantities.EventEntry
 }
 var file_transfer_proto_depIdxs = []int32{
 	0,  // 0: Mail.action:type_name -> ACTION
-	13, // 1: Event.environments:type_name -> Event.EnvironmentsEntry
-	10, // 2: EventReply.replies:type_name -> PlanReply
-	14, // 3: Quantity.errorMap:type_name -> Quantity.ErrorMapEntry
-	2,  // 4: Quantity.class:type_name -> CLASS
-	15, // 5: Quantities.handler:type_name -> Quantities.HandlerEntry
-	16, // 6: Quantities.event:type_name -> Quantities.EventEntry
-	8,  // 7: PlanReply.hQuantities:type_name -> Quantity
-	8,  // 8: PlanReply.eQuantities:type_name -> Quantity
-	1,  // 9: Outcome.status:type_name -> STATUS
-	2,  // 10: Outcome.class:type_name -> CLASS
-	11, // 11: Report.outcomes:type_name -> Outcome
-	7,  // 12: Quantity.ErrorMapEntry.value:type_name -> ErrorMark
-	8,  // 13: Quantities.HandlerEntry.value:type_name -> Quantity
-	8,  // 14: Quantities.EventEntry.value:type_name -> Quantity
-	3,  // 15: Courier.DeliverMail:input_type -> Mail
-	3,  // 16: Courier.DeliverMail:output_type -> Mail
-	16, // [16:17] is the sub-list for method output_type
-	15, // [15:16] is the sub-list for method input_type
-	15, // [15:15] is the sub-list for extension type_name
-	15, // [15:15] is the sub-list for extension extendee
-	0,  // [0:15] is the sub-list for field type_name
+	13, // 1: Plan.params:type_name -> Plan.ParamsEntry
+	14, // 2: Event.environments:type_name -> Event.EnvironmentsEntry
+	10, // 3: EventReply.replies:type_name -> PlanReply
+	15, // 4: Quantity.errorMap:type_name -> Quantity.ErrorMapEntry
+	2,  // 5: Quantity.class:type_name -> CLASS
+	16, // 6: Quantities.handler:type_name -> Quantities.HandlerEntry
+	17, // 7: Quantities.event:type_name -> Quantities.EventEntry
+	8,  // 8: PlanReply.hQuantities:type_name -> Quantity
+	8,  // 9: PlanReply.eQuantities:type_name -> Quantity
+	1,  // 10: Outcome.status:type_name -> STATUS
+	2,  // 11: Outcome.class:type_name -> CLASS
+	11, // 12: Report.outcomes:type_name -> Outcome
+	7,  // 13: Quantity.ErrorMapEntry.value:type_name -> ErrorMark
+	8,  // 14: Quantities.HandlerEntry.value:type_name -> Quantity
+	8,  // 15: Quantities.EventEntry.value:type_name -> Quantity
+	3,  // 16: Courier.DeliverMail:input_type -> Mail
+	3,  // 17: Courier.DeliverMail:output_type -> Mail
+	17, // [17:18] is the sub-list for method output_type
+	16, // [16:17] is the sub-list for method input_type
+	16, // [16:16] is the sub-list for extension type_name
+	16, // [16:16] is the sub-list for extension extendee
+	0,  // [0:16] is the sub-list for field type_name
 }
 
 func init() { file_transfer_proto_init() }
@@ -1272,7 +1288,7 @@ func file_transfer_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_transfer_proto_rawDesc,
 			NumEnums:      3,
-			NumMessages:   14,
+			NumMessages:   15,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/pkg/transfer/transfer.proto b/pkg/transfer/transfer.proto
index b74cbd9..cef12ab 100644
--- a/pkg/transfer/transfer.proto
+++ b/pkg/transfer/transfer.proto
@@ -21,6 +21,7 @@ message Plan {
   int32 robotNum = 2;
   int32 parallel = 3;
   int32 interval = 4;
+  map<string, string> params = 5;
 }
 
 message Event {
diff --git a/pkg/transfer/transfer_grpc.pb.go b/pkg/transfer/transfer_grpc.pb.go
index 1725b55..7445a69 100644
--- a/pkg/transfer/transfer_grpc.pb.go
+++ b/pkg/transfer/transfer_grpc.pb.go
@@ -11,6 +11,7 @@ import (
 
 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
 // CourierClient is the client API for Courier service.
@@ -29,7 +30,7 @@ func NewCourierClient(cc grpc.ClientConnInterface) CourierClient {
 }
 
 func (c *courierClient) DeliverMail(ctx context.Context, opts ...grpc.CallOption) (Courier_DeliverMailClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_Courier_serviceDesc.Streams[0], "/Courier/DeliverMail", opts...)
+	stream, err := c.cc.NewStream(ctx, &Courier_ServiceDesc.Streams[0], "/Courier/DeliverMail", opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -84,7 +85,7 @@ type UnsafeCourierServer interface {
 }
 
 func RegisterCourierServer(s grpc.ServiceRegistrar, srv CourierServer) {
-	s.RegisterService(&_Courier_serviceDesc, srv)
+	s.RegisterService(&Courier_ServiceDesc, srv)
 }
 
 func _Courier_DeliverMail_Handler(srv interface{}, stream grpc.ServerStream) error {
@@ -113,7 +114,10 @@ func (x *courierDeliverMailServer) Recv() (*Mail, error) {
 	return m, nil
 }
 
-var _Courier_serviceDesc = grpc.ServiceDesc{
+// Courier_ServiceDesc is the grpc.ServiceDesc for Courier service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Courier_ServiceDesc = grpc.ServiceDesc{
 	ServiceName: "Courier",
 	HandlerType: (*CourierServer)(nil),
 	Methods:     []grpc.MethodDesc{},