diff --git a/app.go b/app.go
index 46d6c8f..ed12c7b 100644
--- a/app.go
+++ b/app.go
@@ -19,6 +19,7 @@ type App interface {
 	GetPkgName() string
 	NewGlobalUuid() string
 	NewNodeUuid() int64
+	NewLockNodeUuid() int64
 	GetInstanceId() int32
 	GetNodeId() int32
 	GetZoneId() int32
@@ -29,6 +30,7 @@ type App interface {
 	GetNowSeconds() int64
 	GetNowMillis() int64
 	GetNowNano() int64
+	GetRealSeconds() int64
 	GetTimeOffset() int32
 	SetTimeOffset(int32)
 	GetLocation() *time.Location
@@ -74,6 +76,8 @@ type app struct {
 	maxRunDelay       int64
 	maxScheduleTime   int64
 	uuid              q5.Uuid
+	lockUuid          q5.Uuid
+	uuidMutex         sync.RWMutex
 	userApp           UserApp
 	ginEngine         *gin.Engine
 	ormDbLock         sync.Mutex
@@ -195,6 +199,12 @@ func (this *app) NewNodeUuid() int64 {
 	return this.uuid.Generate()
 }
 
+func (this *app) NewLockNodeUuid() int64 {
+	defer this.uuidMutex.Unlock()
+	this.uuidMutex.Lock()
+	return this.lockUuid.Generate()
+}
+
 func (this *app) GetInstanceId() int32 {
 	return this.instanceId
 }
@@ -287,6 +297,10 @@ func (this *app) GetNowNano() int64 {
 	return this.nowUnixNano
 }
 
+func (this *app) GetRealSeconds() int64 {
+	return time.Now().UnixNano() / int64(time.Millisecond)
+}
+
 func (this *app) GetTimeOffset() int32 {
 	return this.timeOffset
 }