diff --git a/pkg/event/define.go b/pkg/event/define.go
index 8921901..3604c9c 100644
--- a/pkg/event/define.go
+++ b/pkg/event/define.go
@@ -18,7 +18,7 @@ type EventWorkFunc func() (interface{}, error)
 type DriverInterface interface {
 	Get() *Event
 	Put(event *Event)
-	GetLength() int
+	GetLengthJudge() bool
 }
 
 type ProduceInterface interface {
diff --git a/pkg/event/driver.go b/pkg/event/driver.go
index 764ff22..78797ea 100644
--- a/pkg/event/driver.go
+++ b/pkg/event/driver.go
@@ -137,8 +137,12 @@ func (d *Driver) Put(event *Event) {
 	d.queue <- event
 }
 
-func (d *Driver) GetLength() int {
-	return len(d.queue)
+func (d *Driver) GetLengthJudge() bool {
+	// 自动对当前的最大io数量进行判断
+	if len(d.queue) > d.maxQueueSize * 1/2{
+		return true
+	}
+	return false
 }
 
 // NewDriver 新建 Driver