diff --git a/main.go b/main.go
index 093b2e614..3cd7725fa 100644
--- a/main.go
+++ b/main.go
@@ -133,7 +133,7 @@ func main() {
 		}()
 
 		if globals.IsPrintEnv() {
-			event.ListenTcp()
+			go event.ListenTcp()
 		}
 		beego.Run()
 		globals.SugarLogger.Debugf("============beego.BConfig.Listen.HTTPPort :%d", beego.BConfig.Listen.HTTPPort)