diff --git a/internal/cli/config/delete.go b/internal/cli/config/delete.go
index 604d1258..275feada 100644
--- a/internal/cli/config/delete.go
+++ b/internal/cli/config/delete.go
@@ -39,12 +39,12 @@ func DeleteCmd(h *internal.Helper) *cobra.Command {
 	var force bool
 
 	var deleteCmd = &cobra.Command{
-		Use:   "delete <profileName>",
+		Use:   "delete <profile-name>",
 		Short: "Delete a profile",
 		Example: fmt.Sprintf(`  Delete the profile configuration:
-  $ %[1]s config delete <profileName>`, config.CliName),
+  $ %[1]s config delete <profile-name>`, config.CliName),
 		Aliases: []string{"rm"},
-		Args:    util.RequiredArgs("profileName"),
+		Args:    util.RequiredArgs("profile-name"),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			// Configuration needs to be deleted from toml, as viper doesn't support this yet.
 			// FIXME :: change when https://github.com/spf13/viper/pull/519 is merged.
diff --git a/internal/cli/config/delete_test.go b/internal/cli/config/delete_test.go
index c40464f0..ede22054 100644
--- a/internal/cli/config/delete_test.go
+++ b/internal/cli/config/delete_test.go
@@ -91,7 +91,7 @@ func (suite *DeleteConfigSuite) TestDeleteConfigArgs() {
 		{
 			name: "delete config with no args",
 			args: []string{"--force"},
-			err:  fmt.Errorf("missing argument <profileName> \n\nUsage:\n  delete <profileName> [flags]\n\nAliases:\n  delete, rm\n\nExamples:\n  Delete the profile configuration:\n  $ ticloud config delete <profileName>\n\nFlags:\n      --force   Delete a profile without confirmation\n  -h, --help    help for delete\n"),
+			err:  fmt.Errorf("missing argument <profile-name> \n\nUsage:\n  delete <profile-name> [flags]\n\nAliases:\n  delete, rm\n\nExamples:\n  Delete the profile configuration:\n  $ ticloud config delete <profile-name>\n\nFlags:\n      --force   Delete a profile without confirmation\n  -h, --help    help for delete\n"),
 		},
 		{
 			name:         "delete config with non-existed profile",
diff --git a/internal/cli/config/describe.go b/internal/cli/config/describe.go
index 4cf414ca..303025c8 100644
--- a/internal/cli/config/describe.go
+++ b/internal/cli/config/describe.go
@@ -29,12 +29,12 @@ import (
 
 func DescribeCmd(h *internal.Helper) *cobra.Command {
 	describeCmd := &cobra.Command{
-		Use:     "describe <profileName>",
+		Use:     "describe <profile-name>",
 		Aliases: []string{"get"},
 		Short:   "Describe a specific profile",
 		Example: fmt.Sprintf(`  Describe the profile configuration:
-  $ %[1]s config describe <profileName>`, config.CliName),
-		Args: util.RequiredArgs("profileName"),
+  $ %[1]s config describe <profile-name>`, config.CliName),
+		Args: util.RequiredArgs("profile-name"),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			name := args[0]
 			err := config.ValidateProfile(name)
diff --git a/internal/cli/config/describe_test.go b/internal/cli/config/describe_test.go
index 1003cfe8..4df8a120 100644
--- a/internal/cli/config/describe_test.go
+++ b/internal/cli/config/describe_test.go
@@ -86,7 +86,7 @@ func (suite *DescribeConfigSuite) TestDescribeConfigArgs() {
 		{
 			name: "describe config with no args",
 			args: []string{},
-			err:  fmt.Errorf("missing argument <profileName> \n\nUsage:\n  describe <profileName> [flags]\n\nAliases:\n  describe, get\n\nExamples:\n  Describe the profile configuration:\n  $ ticloud config describe <profileName>\n\nFlags:\n  -h, --help   help for describe\n"),
+			err:  fmt.Errorf("missing argument <profile-name> \n\nUsage:\n  describe <profile-name> [flags]\n\nAliases:\n  describe, get\n\nExamples:\n  Describe the profile configuration:\n  $ ticloud config describe <profile-name>\n\nFlags:\n  -h, --help   help for describe\n"),
 		},
 		{
 			name: "describe config with non-existed profile",
diff --git a/internal/cli/config/set.go b/internal/cli/config/set.go
index c1637022..26d045eb 100644
--- a/internal/cli/config/set.go
+++ b/internal/cli/config/set.go
@@ -30,7 +30,7 @@ import (
 
 func SetCmd(h *internal.Helper) *cobra.Command {
 	var setCmd = &cobra.Command{
-		Use:   "set <propertyName> <value>",
+		Use:   "set <property-name> <value>",
 		Short: "Configure specific properties of the active profile",
 		Long: fmt.Sprintf(`Configure specific properties of the active profile.
 Available properties : %v.
@@ -42,7 +42,7 @@ If not, the config in the active profile will be set`, prop.ProfileProperties())
 
   Set the value of the public-key in the specific profile "test":
   $ %[1]s config set public-key <public-key> -P test`, config.CliName),
-		Args: util.RequiredArgs("propertyName", "value"),
+		Args: util.RequiredArgs("property-name", "value"),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			propertyName := args[0]
 			value := args[1]
diff --git a/internal/cli/config/set_test.go b/internal/cli/config/set_test.go
index bad2992b..1cad0417 100644
--- a/internal/cli/config/set_test.go
+++ b/internal/cli/config/set_test.go
@@ -91,7 +91,7 @@ func (suite *SetConfigSuite) TestSetConfigArgs() {
 		{
 			name: "set config with no args",
 			args: []string{},
-			err:  fmt.Errorf("missing arguments <propertyName, value> \n\nUsage:\n  set <propertyName> <value> [flags]\n\nExamples:\n  Set the value of the public-key in active profile:\n  $ ticloud config set public-key <public-key>\n\n  Set the value of the public-key in the specific profile \"test\":\n  $ ticloud config set public-key <public-key> -P test\n\nFlags:\n  -h, --help   help for set\n"),
+			err:  fmt.Errorf("missing arguments <property-name, value> \n\nUsage:\n  set <property-name> <value> [flags]\n\nExamples:\n  Set the value of the public-key in active profile:\n  $ ticloud config set public-key <public-key>\n\n  Set the value of the public-key in the specific profile \"test\":\n  $ ticloud config set public-key <public-key> -P test\n\nFlags:\n  -h, --help   help for set\n"),
 		},
 		{
 			name: "set config with unknown property",
diff --git a/internal/cli/config/use.go b/internal/cli/config/use.go
index 29133a71..3b1429c1 100644
--- a/internal/cli/config/use.go
+++ b/internal/cli/config/use.go
@@ -30,11 +30,11 @@ import (
 
 func UseCmd(h *internal.Helper) *cobra.Command {
 	var listCmd = &cobra.Command{
-		Use:   "use <profileName>",
+		Use:   "use <profile-name>",
 		Short: "Use the specified profile as the active profile",
 		Example: fmt.Sprintf(`  Use the "test" profile as the active profile:
   $ %[1]s config use test`, config.CliName),
-		Args: util.RequiredArgs("profileName"),
+		Args: util.RequiredArgs("profile-name"),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			profileName := args[0]
 			err := SetProfile(h.IOStreams.Out, profileName)
diff --git a/internal/cli/config/use_test.go b/internal/cli/config/use_test.go
index e0a1191c..5bf19e17 100644
--- a/internal/cli/config/use_test.go
+++ b/internal/cli/config/use_test.go
@@ -92,7 +92,7 @@ func (suite *UseConfigSuite) TestUseConfigArgs() {
 		{
 			name: "use config with no args",
 			args: []string{},
-			err:  fmt.Errorf("missing argument <profileName> \n\nUsage:\n  use <profileName> [flags]\n\nExamples:\n  Use the \"test\" profile as the active profile:\n  $ ticloud config use test\n\nFlags:\n  -h, --help   help for use\n"),
+			err:  fmt.Errorf("missing argument <profile-name> \n\nUsage:\n  use <profile-name> [flags]\n\nExamples:\n  Use the \"test\" profile as the active profile:\n  $ ticloud config use test\n\nFlags:\n  -h, --help   help for use\n"),
 		},
 		{
 			name: "use config with non-existed profile",
diff --git a/internal/cli/dataimport/start/local.go b/internal/cli/dataimport/start/local.go
index bfa41620..acb95545 100644
--- a/internal/cli/dataimport/start/local.go
+++ b/internal/cli/dataimport/start/local.go
@@ -69,17 +69,17 @@ func LocalCmd(h *internal.Helper) *cobra.Command {
 	}
 
 	var localCmd = &cobra.Command{
-		Use:   "local <filePath>",
+		Use:   "local <file-path>",
 		Short: "Import a local file to TiDB Cloud",
-		Args:  util.RequiredArgs("filePath"),
+		Args:  util.RequiredArgs("file-path"),
 		Example: fmt.Sprintf(`  Start an import task in interactive mode:
-  $ %[1]s import start local <filePath>
+  $ %[1]s import start local <file-path>
 
   Start an import task in non-interactive mode:
-  $ %[1]s import start local <filePath> --project-id <project-id> --cluster-id <cluster-id> --data-format <data-format> --target-database <target-database> --target-table <target-table>
+  $ %[1]s import start local <file-path> --project-id <project-id> --cluster-id <cluster-id> --data-format <data-format> --target-database <target-database> --target-table <target-table>
 	
-  Start an impor task with custom CSV format:
-  $ %[1]s import start local <filePath> --project-id <project-id> --cluster-id <cluster-id> --data-format CSV --target-database <target-database> --target-table <target-table> --separator \" --delimiter \' --backslash-escape=false --trim-last-separator=true
+  Start an import task with custom CSV format:
+  $ %[1]s import start local <file-path> --project-id <project-id> --cluster-id <cluster-id> --data-format CSV --target-database <target-database> --target-table <target-table> --separator \" --delimiter \' --backslash-escape=false --trim-last-separator=true
 `,
 			config.CliName),
 		PreRunE: func(cmd *cobra.Command, args []string) error {
diff --git a/internal/cli/dataimport/start/local_test.go b/internal/cli/dataimport/start/local_test.go
index 9955e29f..5ea65c59 100644
--- a/internal/cli/dataimport/start/local_test.go
+++ b/internal/cli/dataimport/start/local_test.go
@@ -153,7 +153,7 @@ func (suite *LocalImportSuite) TestLocalImportArgs() {
 		{
 			name: "start import without required file path",
 			args: []string{"-p", projectID, "-c", clusterID, "--data-format", dataFormat, "--target-database", targetDatabase, "--target-table", targetTable},
-			err:  fmt.Errorf("missing argument <filePath> \n\nUsage:\n  start local <filePath> [flags]\n\nExamples:\n  Start an import task in interactive mode:\n  $ ticloud import start local <filePath>\n\n  Start an import task in non-interactive mode:\n  $ ticloud import start local <filePath> --project-id <project-id> --cluster-id <cluster-id> --data-format <data-format> --target-database <target-database> --target-table <target-table>\n\t\n  Start an impor task with custom CSV format:\n  $ ticloud import start local <filePath> --project-id <project-id> --cluster-id <cluster-id> --data-format CSV --target-database <target-database> --target-table <target-table> --separator \\\" --delimiter \\' --backslash-escape=false --trim-last-separator=true\n\n\nFlags:\n  -c, --cluster-id string        Cluster ID\n      --data-format string       Data format, one of [CSV]\n  -h, --help                     help for local\n  -p, --project-id string        Project ID\n      --target-database string   Target database to which import data\n      --target-table string      Target table to which import data\n\nGlobal Flags:\n      --backslash-escape      In CSV file whether to parse backslash inside fields as escape characters (default true)\n      --delimiter string      the delimiter used for quoting of CSV file (default \"\\\"\")\n      --separator string      the field separator of CSV file (default \",\")\n      --trim-last-separator   In CSV file whether to treat Separator as the line terminator and trim all trailing separators\n"),
+			err:  fmt.Errorf("missing argument <file-path> \n\nUsage:\n  start local <file-path> [flags]\n\nExamples:\n  Start an import task in interactive mode:\n  $ ticloud import start local <file-path>\n\n  Start an import task in non-interactive mode:\n  $ ticloud import start local <file-path> --project-id <project-id> --cluster-id <cluster-id> --data-format <data-format> --target-database <target-database> --target-table <target-table>\n\t\n  Start an import task with custom CSV format:\n  $ ticloud import start local <file-path> --project-id <project-id> --cluster-id <cluster-id> --data-format CSV --target-database <target-database> --target-table <target-table> --separator \\\" --delimiter \\' --backslash-escape=false --trim-last-separator=true\n\n\nFlags:\n  -c, --cluster-id string        Cluster ID\n      --data-format string       Data format, one of [CSV]\n  -h, --help                     help for local\n  -p, --project-id string        Project ID\n      --target-database string   Target database to which import data\n      --target-table string      Target table to which import data\n\nGlobal Flags:\n      --backslash-escape      In CSV file whether to parse backslash inside fields as escape characters (default true)\n      --delimiter string      The delimiter used for quoting of CSV file (default \"\\\"\")\n      --separator string      The field separator of CSV file (default \",\")\n      --trim-last-separator   In CSV file whether to treat Separator as the line terminator and trim all trailing separators\n"),
 		},
 	}
 
diff --git a/internal/cli/dataimport/start/s3.go b/internal/cli/dataimport/start/s3.go
index 239c1ccc..8d643757 100644
--- a/internal/cli/dataimport/start/s3.go
+++ b/internal/cli/dataimport/start/s3.go
@@ -77,7 +77,7 @@ func S3Cmd(h *internal.Helper) *cobra.Command {
   Start an import task in non-interactive mode:
   $ %[1]s import start s3 --project-id <project-id> --cluster-id <cluster-id> --aws-role-arn <aws-role-arn> --data-format <data-format> --source-url <source-url>
 
-  Start an impor task with custom CSV format:
+  Start an import task with custom CSV format:
   $ %[1]s import start s3 --project-id <project-id> --cluster-id <cluster-id> --aws-role-arn <aws-role-arn> --data-format CSV --source-url <source-url> --separator \" --delimiter \' --backslash-escape=false --trim-last-separator=true
 `,
 			config.CliName),
diff --git a/internal/cli/dataimport/start/start.go b/internal/cli/dataimport/start/start.go
index e05ac60f..7dde77a9 100644
--- a/internal/cli/dataimport/start/start.go
+++ b/internal/cli/dataimport/start/start.go
@@ -51,8 +51,8 @@ func StartCmd(h *internal.Helper) *cobra.Command {
 		Short: "Start an import task",
 	}
 
-	startCmd.PersistentFlags().String(flag.Delimiter, "\"", "the delimiter used for quoting of CSV file")
-	startCmd.PersistentFlags().String(flag.Separator, ",", "the field separator of CSV file")
+	startCmd.PersistentFlags().String(flag.Delimiter, "\"", "The delimiter used for quoting of CSV file")
+	startCmd.PersistentFlags().String(flag.Separator, ",", "The field separator of CSV file")
 	startCmd.PersistentFlags().Bool(flag.TrimLastSeparator, false, "In CSV file whether to treat Separator as the line terminator and trim all trailing separators")
 	startCmd.PersistentFlags().Bool(flag.BackslashEscape, true, "In CSV file whether to parse backslash inside fields as escape characters")