diff --git a/cmd/check.go b/cmd/check.go
index e944200..861a452 100644
--- a/cmd/check.go
+++ b/cmd/check.go
@@ -19,10 +19,14 @@ type LocalServices struct {
 
 var checkCmd = &cobra.Command{
 	Use:   "check",
-	Short: "check etc/service/registry auto version update or install.",
+	Short: "<etc/service/registry> 批量检测微服务和配置并更新.",
 	Run: func(cmd *cobra.Command, args []string) {
+
 		if len(args) != 1 {
-			fmt.Println("Please input the name of the microservice to be updated!")
+			fmt.Println("check sub command: etc/service/registry")
+			fmt.Println("  etc:      检测并更新本地已经安装的所有微服务的配置文件")
+			fmt.Println("  service:  检测并更新本地已经安装的所有微服务")
+			fmt.Println("  registry: 检测并更新Registry已经发布的所有微服务")
 			return
 		}
 
diff --git a/cmd/install.go b/cmd/install.go
index ecd7d0c..a8e6723 100644
--- a/cmd/install.go
+++ b/cmd/install.go
@@ -13,7 +13,7 @@ import (
 
 var installCmd = &cobra.Command{
 	Use:   "install",
-	Short: "install microservice.",
+	Short: "<ServiceKey> 安装一个微服务.",
 	Run: func(cmd *cobra.Command, args []string) {
 		if len(args) != 1 {
 			fmt.Println("Please input the name of the microservice to be installed!")
diff --git a/cmd/ps.go b/cmd/ps.go
index 31a3388..56c0582 100644
--- a/cmd/ps.go
+++ b/cmd/ps.go
@@ -47,7 +47,7 @@ type PsTable struct {
 
 var psCmd = &cobra.Command{
 	Use:   "ps",
-	Short: "list restiry and local installed microservice.",
+	Short: "列表展示本地已经安装的微服务.",
 	Run: func(cmd *cobra.Command, args []string) {
 		psExecute()
 	},
diff --git a/cmd/update.go b/cmd/update.go
index b052721..ec50769 100644
--- a/cmd/update.go
+++ b/cmd/update.go
@@ -12,7 +12,7 @@ import (
 
 var updateCmd = &cobra.Command{
 	Use:   "update",
-	Short: "update microservice.",
+	Short: "<ServiceKey> 更新一个微服务至最新版本.",
 	Run: func(cmd *cobra.Command, args []string) {
 		if len(args) != 1 {
 			fmt.Println("Please input the name of the microservice to be updated!")