refactor: cmd update.

pkg/common/cmd/root.go

@@ -66,14 +66,13 @@ func WithConfigMap(configMap map[string]any) func(*CmdOpts) {
 func NewRootCmd(processName string, opts ...func(*CmdOpts)) *RootCmd {
 	rootCmd := &RootCmd{processName: processName}
 	cmd := cobra.Command{
-		Use:   "Start openIM application",
-		Short: fmt.Sprintf(`Start %s `, processName),
-		Long:  fmt.Sprintf(`Start %s `, processName),
+		Use:  "Start openIM application",
+		Long: fmt.Sprintf(`Start %s `, processName),
 		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
 			return rootCmd.persistentPreRun(cmd, opts...)
 		},
 		SilenceUsage:  true,
-		SilenceErrors: true,
+		SilenceErrors: false,
 	}
 	cmd.Flags().StringP(FlagConf, "c", "", "path of config directory")
 	cmd.Flags().IntP(FlagTransferIndex, "i", 0, "process startup sequence number")