diff --git a/sysutils.go b/sysutils.go
index 759d525..8c2b5aa 100644
--- a/sysutils.go
+++ b/sysutils.go
@@ -58,7 +58,7 @@ func ForceCreateDir(dir string) bool {
 func TraverseArray(arrayPtr interface{}, callback func(data interface{})) {
 	array := reflect.ValueOf(arrayPtr).Elem()
 	for i := 0; i < array.Len(); i++ {
-		val := array.Index(i)
+		val := array.Index(i).Addr().Interface()
 		callback(val)
 	}
 }
diff --git a/timer.go b/timer.go
index aaaee4d..23ebd01 100644
--- a/timer.go
+++ b/timer.go
@@ -97,27 +97,27 @@ func (this *Timer) Update() {
 		var workList ListHead
 		this.tv1[index].ReplaceInit(&workList)
 		for !workList.Empty() {
-			timer_list := workList.FirstEntry().(*TimerList)
-			this.runningTimer = timer_list
-			if timer_list.timerFunc != nil {
-				timer_list.timerFunc(&timer_list.params)
+			timerList := workList.FirstEntry().(*TimerList)
+			this.runningTimer = timerList
+			if timerList.timerFunc != nil {
+				timerList.timerFunc(&timerList.params)
 			}
-			if timer_list.timerAfterFunc != nil {
-				timer_list.timerAfterFunc(&timer_list.params)
+			if timerList.timerAfterFunc != nil {
+				timerList.timerAfterFunc(&timerList.params)
 			}
 			if this.runningTimer != nil {
 				switch this.runningTimer.timerType {
 				case REPEAT_TIMER, FIXED_TIMER:
-					if timer_list.timerType == FIXED_TIMER {
-						timer_list.fixedTimierExecuteTimes++
+					if timerList.timerType == FIXED_TIMER {
+						timerList.fixedTimierExecuteTimes++
 					}
-					this.ModifyTimer(timer_list, timer_list.milliSeconds)
+					this.ModifyTimer(timerList, timerList.milliSeconds)
 				case DEADLINE_TIMER:
-					this.detachTimer(timer_list)
-					if timer_list.attachEntry.Empty() {
-						timer_list.attachEntry.DelInit()
+					this.detachTimer(timerList)
+					if timerList.attachEntry.Empty() {
+						timerList.attachEntry.DelInit()
 					}
-					this.addToFreeList(timer_list)
+					this.addToFreeList(timerList)
 				}
 			}
 		}