bbx: 修改version 子命令的命令帮助信息

cmd/version.go

@@ -11,13 +11,8 @@ const version = "v1.0.2"
 // versionCmd represents the version command
 var versionCmd = &cobra.Command{
 	Use:   "version",
-	Short: "A brief description of your command",
-	Long: `A longer description that spans multiple lines and likely contains examples
-and usage of using your command. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
+	Short: "Print bbx version",
+	Long:  `Print bbx version`,
 	Run: func(cmd *cobra.Command, args []string) {
 		fmt.Println(version)
 	},