diff --git a/lego/lego.go b/lego/lego.go
index 45b57cb85..606a87a76 100644
--- a/lego/lego.go
+++ b/lego/lego.go
@@ -7,7 +7,7 @@ import (
 	"go_dreamfactory/lego/sys/log"
 )
 
-//启动服务
+// 启动服务
 func Run(service core.IService, mod ...core.IModule) {
 	cpuNum := runtime.NumCPU() //获得当前设备的cpu核心数
 	runtime.GOMAXPROCS(cpuNum) //设置需要用到的cpu数量
@@ -27,7 +27,7 @@ func Run(service core.IService, mod ...core.IModule) {
 	log.Infof("服务【%s】关闭成功", service.GetId())
 }
 
-//错误采集
+// 错误采集
 func Recover(tag string) {
 	if r := recover(); r != nil {
 		buf := make([]byte, 1024)
diff --git a/lego/sys/timewheel/timewheel.go b/lego/sys/timewheel/timewheel.go
index 2e0f2acbd..e9677e47e 100644
--- a/lego/sys/timewheel/timewheel.go
+++ b/lego/sys/timewheel/timewheel.go
@@ -2,8 +2,8 @@ package timewheel
 
 import (
 	"context"
+	"go_dreamfactory/lego"
 	"go_dreamfactory/lego/sys/log"
-	"runtime"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -88,7 +88,7 @@ func (t *Task) Reset() {
 	t.circle = false
 }
 
-//启动时间轮
+// 启动时间轮
 func (this *TimeWheel) Start() {
 	// onlye once start
 	this.onceStart.Do(
@@ -114,12 +114,12 @@ func (this *TimeWheel) Remove(task *Task) error {
 	return nil
 }
 
-//停止时间轮
+// 停止时间轮
 func (this *TimeWheel) Stop() {
 	this.stopC <- struct{}{}
 }
 
-//此处写法 为监控时间轮是否正常执行
+// 此处写法 为监控时间轮是否正常执行
 func (this *TimeWheel) tickGenerator() {
 	if this.tickQueue == nil {
 		return
@@ -137,7 +137,7 @@ func (this *TimeWheel) tickGenerator() {
 	}
 }
 
-//调度器
+// 调度器
 func (this *TimeWheel) schduler() {
 	queue := this.ticker.C
 	if this.tickQueue != nil {
@@ -160,7 +160,7 @@ func (this *TimeWheel) schduler() {
 	}
 }
 
-//清理
+// 清理
 func (this *TimeWheel) collectTask(task *Task) {
 	index := this.bucketIndexes[task.id]
 	delete(this.bucketIndexes, task.id)
@@ -185,10 +185,10 @@ func (this *TimeWheel) handleTick() {
 		}
 
 		if task.async {
-			go func(task *Task) {
-				go this.calltask(task, task.args...)
+			go func(_task *Task) {
+				this.calltask(_task, _task.args...)
+				this.collectTask(_task)
 			}(task)
-
 		} else {
 			// optimize gopool
 			this.calltask(task, task.args...)
@@ -200,9 +200,9 @@ func (this *TimeWheel) handleTick() {
 			this.putCircle(task, modeIsCircle)
 			continue
 		}
-
-		// gc
-		this.collectTask(task)
+		if !task.async { //异步模式下不能清理
+			this.collectTask(task)
+		}
 	}
 
 	if this.currentIndex == this.bucketsNum-1 {
@@ -213,15 +213,13 @@ func (this *TimeWheel) handleTick() {
 	this.currentIndex++
 }
 
-//执行时间轮事件 捕捉异常错误 防止程序崩溃
+// 执行时间轮事件 捕捉异常错误 防止程序崩溃
 func (this *TimeWheel) calltask(task *Task, args ...interface{}) {
-	defer func() { //程序异常 收集异常信息传递给前端显示
-		if r := recover(); r != nil {
-			buf := make([]byte, 4096)
-			l := runtime.Stack(buf, false)
-			log.Errorf("timewheel err:%s", string(buf[0:l]))
-		}
-	}()
+	defer lego.Recover("TimeWheel")
+	if task.callback == nil {
+		log.Error("sys.timeWheel task callback err!", log.Field{Key: "task", Value: task})
+		return
+	}
 	task.callback(task, task.args...)
 }
 
diff --git a/modules/friend/api_cross_agree.go b/modules/friend/api_cross_agree.go
index 5afe11f0f..58336607c 100644
--- a/modules/friend/api_cross_agree.go
+++ b/modules/friend/api_cross_agree.go
@@ -153,7 +153,7 @@ func (this *apiComp) Agree(session comm.IUserSession, req *pb.FriendAgreeReq) (e
 			return
 		}
 
-		event.TriggerEvent(comm.EventFriendChange, uid, len(self.FriendIds))
+		event.TriggerEvent(comm.EventFriendChange, uid, int32(len(self.FriendIds)))
 	}
 
 	// 拥有xx个好友