diff --git a/msgqueue.go b/msgqueue.go
index 505c005..684cc59 100644
--- a/msgqueue.go
+++ b/msgqueue.go
@@ -58,5 +58,34 @@ func (this *msgQueue) UnRegisterCb(handler *MsgHandler) {
 }
 
 func (this *msgQueue) FireEvent(msgId int, args q5.Args) {
-
+	if msgId < 0 || msgId >= len(this.msgHandlers) {
+		return
+	}
+	node := &this.msgHandlers[msgId]
+	node.lock.Lock()
+	defer node.lock.Unlock()
+	node.head.ForEach(
+		func (data interface{}) bool {
+			h := data.(*MsgHandler)
+			if !h.deleted {
+				h.cb(args)
+			} else {
+				h.entry.DelInit()
+			}
+			return true
+		})
+	node.addingLock.Lock()
+	defer node.addingLock.Unlock()
+	if !node.addingHead.Empty() {
+		node.addingHead.ForEach(
+			func (data interface{}) bool {
+				h := data.(*MsgHandler)
+				h.entry.DelInit()
+				if !h.deleted {
+					node.head.AddTail(&h.entry)
+					h.cb(args)
+				}
+				return true
+			})
+	}
 }