diff --git a/app.go b/app.go
index 657c949..c7a17f4 100644
--- a/app.go
+++ b/app.go
@@ -49,6 +49,7 @@ type UserApp interface {
 }
 
 type app struct {
+	pid               int
 	zoneId            int32
 	nodeId            int32
 	instanceId        int32
@@ -82,6 +83,7 @@ type app struct {
 func (this *app) init(userApp UserApp) {
 	this.userApp = userApp
 	this.nowTime = time.Now()
+	this.pid = os.Getpid()
 	this.ormDbHash = make(map[string]*gorm.DB)
 	this.SetTimeOffset(0)
 	atomic.StoreInt64(&this.nowUnixNano, this.nowTime.UnixNano())
@@ -118,7 +120,7 @@ func (this *app) init(userApp UserApp) {
 	GetSysLog().Info("node_id:%d instance_id:%d pid:%d",
 		this.nodeId,
 		this.instanceId,
-		os.Getpid())
+		this.pid)
 	this.installTimer()
 	go this.goLoopTimer()
 	this.ginEngine = gin.New()
@@ -374,7 +376,7 @@ func (this *app) getCaHandle(handleName string) GinHandlerFunc {
 }
 
 func (this *app) GetPid() int {
-	return os.Getpid()
+	return this.pid
 }
 
 func parseArgs() (int, int) {