diff --git a/core/proc/signals.go b/core/proc/signals.go
index bbc41ce5..b8996cba 100644
--- a/core/proc/signals.go
+++ b/core/proc/signals.go
@@ -31,10 +31,7 @@ func init() {
 				dumpGoroutines(fileCreator{})
 			case syscall.SIGUSR2:
 				profiler := StartProfile()
-				go func() {
-					<-time.After(profileDuration)
-					profiler.Stop()
-				}()
+				time.AfterFunc(profileDuration, profiler.Stop)
 			case syscall.SIGTERM:
 				stopOnSignal()
 				gracefulStop(signals, syscall.SIGTERM)
diff --git a/core/service/servicegroup.go b/core/service/servicegroup.go
index c8b0715a..031abb5d 100644
--- a/core/service/servicegroup.go
+++ b/core/service/servicegroup.go
@@ -50,7 +50,7 @@ func (sg *ServiceGroup) Add(service Service) {
 // Also, quitting this method will close the logx output.
 func (sg *ServiceGroup) Start() {
 	proc.AddShutdownListener(func() {
-		logx.Info("Shutting down service in group")
+		logx.Info("Shutting down services in group")
 		sg.stopOnce()
 	})
 
diff --git a/tools/goctl/internal/version/version.go b/tools/goctl/internal/version/version.go
index c1f3947c..6ec409b0 100644
--- a/tools/goctl/internal/version/version.go
+++ b/tools/goctl/internal/version/version.go
@@ -6,7 +6,7 @@ import (
 )
 
 // BuildVersion is the version of goctl.
-const BuildVersion = "1.6.0"
+const BuildVersion = "1.6.1"
 
 var tag = map[string]int{"pre-alpha": 0, "alpha": 1, "pre-bata": 2, "beta": 3, "released": 4, "": 5}