diff --git a/internal/cli/serverless/list.go b/internal/cli/serverless/list.go
index 3d6a798e..ec8ae872 100644
--- a/internal/cli/serverless/list.go
+++ b/internal/cli/serverless/list.go
@@ -152,7 +152,7 @@ func ListCmd(h *internal.Helper) *cobra.Command {
 		},
 	}
 
-	listCmd.Flags().StringP(flag.Output, flag.OutputShort, output.HumanFormat, "Output format, One of [\"human\" \"json\"], for the complete result, please use json format")
+	listCmd.Flags().StringP(flag.Output, flag.OutputShort, output.HumanFormat, "Output format, One of [\"human\" \"json\"]. For the complete result, please use json format")
 	listCmd.Flags().StringP(flag.ProjectID, flag.ProjectIDShort, "", "The ID of the project")
 	return listCmd
 }
diff --git a/internal/cli/serverless/regions.go b/internal/cli/serverless/regions.go
index ad355f1d..3f8c0a4a 100644
--- a/internal/cli/serverless/regions.go
+++ b/internal/cli/serverless/regions.go
@@ -15,8 +15,9 @@
 package serverless
 
 import (
-	"encoding/json"
 	"fmt"
+	"tidbcloud-cli/internal/flag"
+	"tidbcloud-cli/internal/output"
 
 	"tidbcloud-cli/internal"
 	"tidbcloud-cli/internal/config"
@@ -39,18 +40,46 @@ func RegionsCmd(h *internal.Helper) *cobra.Command {
 				return err
 			}
 
-			regions, err := d.ListProviderRegions(serverlessApi.NewServerlessServiceListRegionsParams())
+			format, err := cmd.Flags().GetString(flag.Output)
 			if err != nil {
 				return errors.Trace(err)
 			}
-			v, err := json.MarshalIndent(regions.Payload, "", "  ")
+
+			regions, err := d.ListProviderRegions(serverlessApi.NewServerlessServiceListRegionsParams())
 			if err != nil {
 				return errors.Trace(err)
 			}
 
-			fmt.Fprintln(h.IOStreams.Out, string(v))
+			if format == output.JsonFormat || !h.IOStreams.CanPrompt {
+				err = output.PrintJson(h.IOStreams.Out, regions.Payload.Regions)
+				if err != nil {
+					return errors.Trace(err)
+				}
+			} else if format == output.HumanFormat {
+				columns := []output.Column{
+					"Name",
+					"DisplayName",
+					"Provider",
+				}
+
+				var rows []output.Row
+				for _, item := range regions.Payload.Regions {
+					rows = append(rows, output.Row{
+						*item.Name,
+						item.DisplayName,
+						string(*item.Provider),
+					})
+				}
+				err = output.PrintHumanTable(h.IOStreams.Out, columns, rows)
+				if err != nil {
+					return errors.Trace(err)
+				}
+			} else {
+				return fmt.Errorf("unsupported output format: %s", format)
+			}
 			return nil
 		},
 	}
+	regionsCmd.Flags().StringP(flag.Output, flag.OutputShort, output.HumanFormat, "Output format, One of [\"human\" \"json\"]")
 	return regionsCmd
 }
diff --git a/internal/cli/serverless/update.go b/internal/cli/serverless/update.go
index bfc2f663..4b7551e4 100644
--- a/internal/cli/serverless/update.go
+++ b/internal/cli/serverless/update.go
@@ -74,10 +74,10 @@ func UpdateCmd(h *internal.Helper) *cobra.Command {
  $ %[1]s serverless update
 
  Update displayName of serverless cluster in non-interactive mode:
- $ %[1]s serverless update -c <cluster-id> --display-name newClusterName, 
+ $ %[1]s serverless update -c <cluster-id> --display-name newClusterName
  
-  Update labels of serverless cluster in non-interactive mode:
- $ %[1]s serverless update -c <cluster-id> --labels "{\"label\":\"value2\"}"`, config.CliName),
+ Update labels of serverless cluster in non-interactive mode:
+ $ %[1]s serverless update -c <cluster-id> --labels "{\"label1\":\"value1\"}"`, config.CliName),
 		PreRunE: func(cmd *cobra.Command, args []string) error {
 			flags := opts.NonInteractiveFlags()
 			for _, fn := range flags {
@@ -204,7 +204,7 @@ func UpdateCmd(h *internal.Helper) *cobra.Command {
 
 	updateCmd.Flags().StringP(flag.ClusterID, flag.ClusterIDShort, "", "The ID of the cluster to be updated")
 	updateCmd.Flags().StringP(flag.DisplayName, flag.DisplayNameShort, "", "The displayName of the cluster")
-	updateCmd.Flags().String(flag.ServerlessLabels, "", "The label of the cluster.\nInteractive example: {\"label1\":\"value1\",\"label1\":\"value1\"}\nNonInteractive example: \"{\\\"label1\\\":\\\"value1\\\",\\\"label2\\\":\\\"value2\\\"}\"")
+	updateCmd.Flags().String(flag.ServerlessLabels, "", "The label of the cluster.\nInteractive example: {\"label1\":\"value1\",\"label2\":\"value2\"}\nNonInteractive example: \"{\\\"label1\\\":\\\"value1\\\",\\\"label2\\\":\\\"value2\\\"}\"")
 	updateCmd.Flags().String(flag.ServerlessAnnotations, "", "The annotations of the cluster.\nInteractive example: {\"annotation1\":\"value1\",\"annotation2\":\"value2\"}\nNonInteractive example: \"{\\\"annotation1\\\":\\\"value1\\\",\\\"annotation2\\\":\\\"value2\\\"}\"")
 	return updateCmd
 }