diff --git a/listhead.go b/listhead.go
new file mode 100644
index 0000000..af5c8a6
--- /dev/null
+++ b/listhead.go
@@ -0,0 +1,50 @@
+package q5
+
+type ListHead struct {
+	next *ListHead
+	prev *ListHead
+	data interface{}
+}
+
+func (this *ListHead) Init() {
+	this.next = this
+	this.prev = this
+	this.data = nil
+}
+
+func (this *ListHead) Del() {
+	this.next.prev = this.prev
+	this.prev.next = this.next
+	this.Init()
+}
+
+func (this *ListHead) AddTail(pnew *ListHead) {
+	tmp_prev := this.prev
+	this.prev = pnew
+	pnew.next = this
+	pnew.prev = tmp_prev
+	tmp_prev.next = pnew
+}
+
+func (this *ListHead) FirstEntry() interface{} {
+	return this.next.data
+}
+
+func (this *ListHead) Replace(pnew *ListHead) {
+	pnew.next = this.next
+	pnew.next.prev = pnew
+	pnew.prev = this.prev
+	pnew.data = this.data
+}
+
+func (this *ListHead) ReplaceInit(pnew *ListHead) {
+	this.Replace(pnew)
+	this.Init()
+}
+
+func (this *ListHead) Empty() bool {
+	return this.next == this
+}
+
+func (this *ListHead) DelInit() {
+}
diff --git a/timer.go b/timer.go
new file mode 100644
index 0000000..624f95a
--- /dev/null
+++ b/timer.go
@@ -0,0 +1,171 @@
+package q5
+
+const CONFIG_BASE_SMALL = false
+const TVN_BITS = 6
+const TVR_BITS = 8
+const TVN_SIZE = 1 << TVN_BITS
+const TVR_SIZE = 1 << TVR_BITS
+const TVN_MASK = TVN_SIZE - 1
+const TVR_MASK = TVR_SIZE - 1
+
+const (
+	DEADLINE_TIMER = 0
+	REPEAT_TIMER = iota
+	FIXED_TIMER = iota
+)
+
+type Timer struct {
+	freeTimerNum int32
+	freeTimer ListHead
+	runningTimer *TimerList
+	timerTick int64
+	getTickCount func () int64
+	content interface{}
+	gcTime int32
+	cacheTimerNum int32
+	tv1 [TVR_SIZE]ListHead
+	tv2 [TVN_SIZE]ListHead
+	tv3 [TVN_SIZE]ListHead
+	tv4 [TVN_SIZE]ListHead
+	tv5 [TVN_SIZE]ListHead
+	workList ListHead
+	cascadeList ListHead
+}
+
+func (this *Timer) Init(
+	getTickCount func () int64,
+	content interface{},
+	gcTime int32,
+	cacheTimerNum int32)  {
+	this.getTickCount = getTickCount
+	this.content = content
+	this.gcTime = gcTime
+	this.cacheTimerNum = cacheTimerNum
+}
+
+func (this *Timer) UnInit() {
+	this.clear()
+}
+
+func (this *Timer) clear() {
+
+}
+
+func (this *Timer) Update() {
+	for this.getTickCount() >= this.timerTick {
+		index := uint32(this.timerTick & TVR_MASK)
+
+		if index == 0 &&
+		   this.cascade(&this.tv2, this.getTimerIndex(index)) == 0 &&
+		   this.cascade(&this.tv3, this.getTimerIndex(index)) == 0 &&
+		   this.cascade(&this.tv4, this.getTimerIndex(index)) == 0 {
+			this.cascade(&this.tv5, this.getTimerIndex(index))
+		}
+		this.timerTick += 1
+		this.tv1[index].ReplaceInit(&this.workList)
+		for !this.workList.Empty() {
+			timer_list := this.workList.FirstEntry().(*TimerList)
+			this.runningTimer = timer_list
+			if timer_list.timerFunc != nil {
+				timer_list.timerFunc(&timer_list.params)
+			}
+			if timer_list.timerAfterFunc != nil {
+				timer_list.timerAfterFunc(&timer_list.params)
+			}
+			if this.runningTimer != nil {
+				switch this.runningTimer.timerType {
+				case REPEAT_TIMER, FIXED_TIMER:
+					if timer_list.timerType == FIXED_TIMER {
+						timer_list.fixedTimierExecuteTimes += 1
+					}
+					this.ModifyTimer(timer_list, timer_list.milliSeconds)
+				case DEADLINE_TIMER:
+					this.detachTimer(timer_list)
+					if timer_list.attachEntry.Empty() {
+						timer_list.attachEntry.DelInit()
+					}
+					this.addToFreeList(timer_list)
+				}
+			}
+		}
+	}
+	this.runningTimer = nil
+}
+
+func (this *Timer) AddDeadLineTimer(
+	milli_seconds int32,
+	init_func func (params* XParams),
+	timer_func func (params* XParams)) ITimerList {
+	return this.AddDeadLineTimerEx(milli_seconds, init_func, timer_func, nil)
+}
+
+func (this *Timer) AddDeadLineTimerEx(
+	milli_seconds int32,
+	init_func func (params* XParams),
+	timer_func func (params* XParams),
+	install_func func (timer_list ITimerList, params* XParams)) ITimerList {
+	if init_func != nil {
+		init_func(new(XParams))
+	}
+	return nil
+}
+
+func (this *Timer) ModifyTimer(timerList *TimerList, milli_seconds int32)  {
+
+}
+
+func (this *Timer) detachTimer(timerList *TimerList)  {
+
+}
+
+func (this *Timer) addToFreeList(timerList *TimerList)  {
+
+}
+
+func (this *Timer) cascade(tv *[TVN_SIZE]ListHead, index uint32) uint32 {
+	tv[index].ReplaceInit(&this.cascadeList)
+
+	if !this.cascadeList.Empty() {
+		pos := this.cascadeList.next
+		next := pos.next
+		for pos != &this.cascadeList  {
+			this.internalAddTimer(pos.data.(*TimerList))
+			pos = next
+			next = pos.next
+		}
+	}
+	this.cascadeList.Init()
+	return index
+}
+
+func (this *Timer) internalAddTimer(timer_list *TimerList) {
+	expires := timer_list.expires
+	idx := expires - this.timerTick
+	var vec *ListHead
+	var index uint32
+
+	if idx < 0 {
+		index = (uint32)(this.timerTick & TVR_MASK)
+		vec = &this.tv1[index]
+	} else if idx < TVR_SIZE {
+		index = (uint32)(expires & TVR_MASK)
+		vec = &this.tv1[index]
+	} else if idx < (1 << (TVR_BITS + TVN_BITS)) {
+		index = (uint32)(expires & TVR_MASK)
+		vec = &this.tv2[index]
+	} else if idx < (1 << (TVR_BITS + 2 * TVN_BITS)) {
+		index = (uint32)(expires & TVR_MASK)
+		vec = &this.tv3[index]
+	} else if idx < (1 << (TVR_BITS + 3 * TVN_BITS)) {
+		index = (uint32)(expires & TVR_MASK)
+		vec = &this.tv4[index]
+	} else {
+		index = (uint32)(expires & TVR_MASK)
+		vec = &this.tv5[index]
+	}
+	vec.AddTail(&timer_list.entry)
+}
+
+func (this *Timer) getTimerIndex(index uint32) uint32 {
+        return (uint32)((this.timerTick >> (TVR_BITS + index * TVN_BITS)) & TVN_MASK);
+}
diff --git a/timerlist.go b/timerlist.go
new file mode 100644
index 0000000..085d1ee
--- /dev/null
+++ b/timerlist.go
@@ -0,0 +1,33 @@
+package q5
+
+type ITimerList interface {
+	SetTimerAfterFunc(timer_after_func func(params *XParams))
+}
+
+type TimerList struct {
+	entry ListHead
+	attachEntry ListHead
+	timerType int8
+	milliSeconds int32
+	expires int64
+	fixedTimierExecuteTimes int32
+
+	timerFunc func (params *XParams)
+	timerAfterFunc func (params *XParams)
+	params XParams
+}
+
+func (this *TimerList) InitTimerList(
+	timer *Timer,
+	timerType int8,
+        millSeconds int32,
+	params XParams,
+	timerFunc func (params *XParams),
+	timerAfterFunc func (params *XParams)) {
+	this.timerType = timerType
+	this.milliSeconds = millSeconds
+	this.fixedTimierExecuteTimes = 0
+	this.timerFunc = timerFunc
+	this.timerAfterFunc = timerAfterFunc
+	this.params = params
+}
diff --git a/types.go b/types.go
new file mode 100644
index 0000000..10a210f
--- /dev/null
+++ b/types.go
@@ -0,0 +1 @@
+package q5
diff --git a/xobject.go b/xobject.go
new file mode 100644
index 0000000..1e595c0
--- /dev/null
+++ b/xobject.go
@@ -0,0 +1,16 @@
+package q5
+
+const (
+	XOT_SIMPLE = 0
+	XOT_ARRAY = iota
+	XOT_OBJECT = iota
+)
+
+type XObject struct {
+	_type int8
+	_val interface{}
+}
+
+func (this *XObject) AsXValue() *XValue {
+	return nil
+}
diff --git a/xparams.go b/xparams.go
new file mode 100644
index 0000000..7136b68
--- /dev/null
+++ b/xparams.go
@@ -0,0 +1,12 @@
+package q5
+
+type XParams struct {
+	Sender XValue
+	Param1 XValue
+	Param2 XValue
+	Param3 XValue
+}
+
+func (this *XParams) SetInt32(val int32) *XParams {
+	return this
+}
diff --git a/xvalue.go b/xvalue.go
new file mode 100644
index 0000000..ae24579
--- /dev/null
+++ b/xvalue.go
@@ -0,0 +1,85 @@
+package q5
+
+import (
+	"strconv"
+)
+
+const (
+	XVT_INT = 0
+	XVT_FLOAT = iota
+	XVT_STRING = iota
+	XVT_BYTES = iota
+	XVT_USERDATA = iota
+)
+
+type XValue struct
+{
+	_type  int8
+	_val interface{}
+}
+
+func (this *XValue) GetType() int8 {
+	return this._type
+}
+
+func (this *XValue) SetInt64(val int64) *XValue {
+	val_copy := val
+	this._type = XVT_INT
+	this._val = &val_copy
+	return this
+}
+
+func (this *XValue) SetFloat64(val float64) *XValue {
+	val_copy := val
+	this._type = XVT_FLOAT
+	this._val = &val_copy
+	return this
+}
+
+func (this *XValue) SetString(val string) *XValue {
+	val_copy := "" + val
+	this._type = XVT_STRING
+	this._val = &val_copy
+	return this
+}
+
+func (this *XValue) SetBytes(val []byte) *XValue {
+	val_copy := val
+	this._type = XVT_FLOAT
+	this._val = &val_copy
+	return this
+}
+
+func (this *XValue) SetUserData(val interface{}) *XValue {
+	val_copy := val
+	this._type = XVT_FLOAT
+	this._val = &val_copy
+	return this
+}
+
+func (this *XValue) GetInt64() int64 {
+	switch this._type {
+	case XVT_INT:
+		return *(this._val.(*int64))
+	case XVT_FLOAT:
+		return int64(*(this._val.(*float64)))
+	case XVT_STRING, XVT_BYTES, XVT_USERDATA:
+		val, err := strconv.ParseInt(this.GetString(), 10, 64)
+		if err == nil {
+			return val
+		} else {
+			val, err := strconv.ParseFloat(this.GetString(), 64)
+			if err == nil {
+				return int64(val)
+			} else {
+				return 0
+			}
+		}
+	default:
+		return 0
+	}
+}
+
+func (this *XValue) GetString() string {
+	return ""
+}