diff --git a/cmd/kcl/commands/clean.go b/cmd/kcl/commands/clean.go
index 7201170..0886298 100644
--- a/cmd/kcl/commands/clean.go
+++ b/cmd/kcl/commands/clean.go
@@ -13,12 +13,10 @@ import (
 )
 
 const (
-	cleanDesc = `
-This command cleans the kcl build cache.
+	cleanDesc = `This command cleans the kcl build cache.
 `
 	cleanExample = `  # Clean the build cache
-  kcl clean
-`
+  kcl clean`
 )
 
 // NewCleanCmd returns the clean command.
diff --git a/cmd/kcl/commands/doc.go b/cmd/kcl/commands/doc.go
index cb0ebda..9b1b1ac 100644
--- a/cmd/kcl/commands/doc.go
+++ b/cmd/kcl/commands/doc.go
@@ -10,23 +10,12 @@ import (
 )
 
 const (
-	docDesc = `
-This command shows documentation for KCL package or symbol.
+	docDesc = `This command shows documentation for KCL modules or symbols.
 `
 	docExample = `  # Generate document for current package
-  kcl doc generate
-  `
-	docGenDesc = `  # Generate Markdown document for current package
-  kcl doc generate
-
-  # Generate Html document for current package
-  kcl doc generate --format html
+  kcl doc generate`
 
-  # Generate Markdown document for specific package
-  kcl doc generate --file-path <package path>
-
-  # Generate Markdown document for specific package to a <target directory>
-  kcl doc generate --file-path <package path> --target <target directory>
+	docGenDesc = `This command generates documents for KCL modules.
 `
 	docGenExample = `  # Generate Markdown document for current package
   kcl doc generate
@@ -38,8 +27,7 @@ This command shows documentation for KCL package or symbol.
   kcl doc generate --file-path <package path>
 
   # Generate Markdown document for specific package to a <target directory>
-  kcl doc generate --file-path <package path> --target <target directory>
-`
+  kcl doc generate --file-path <package path> --target <target directory>`
 )
 
 // NewDocCmd returns the doc command.
diff --git a/cmd/kcl/commands/fmt.go b/cmd/kcl/commands/fmt.go
index e85bc14..3238d7a 100644
--- a/cmd/kcl/commands/fmt.go
+++ b/cmd/kcl/commands/fmt.go
@@ -11,8 +11,7 @@ import (
 )
 
 const (
-	fmtDesc = `
-This command formats all kcl files of the current crate.
+	fmtDesc = `This command formats all kcl files of the current crate.
 `
 	fmtExample = `  # Format the single file
   kcl fmt /path/to/file.k
diff --git a/cmd/kcl/commands/import.go b/cmd/kcl/commands/import.go
index c87b8e6..c721053 100644
--- a/cmd/kcl/commands/import.go
+++ b/cmd/kcl/commands/import.go
@@ -8,8 +8,7 @@ import (
 )
 
 const (
-	importDesc = `
-This command converts other formats to KCL file.
+	importDesc = `This command converts other formats to KCL file.
 
 Supported conversion modes:
 - json:            convert JSON data to KCL data
@@ -40,8 +39,7 @@ Supported conversion modes:
   kcl import -m terraformschema schema.json
 
   # Generate KCL models from Go structs
-  kcl import -m gostruct schema.go
-`
+  kcl import -m gostruct schema.go`
 )
 
 // NewImportCmd returns the import command.
diff --git a/cmd/kcl/commands/lint.go b/cmd/kcl/commands/lint.go
index 7716aeb..ef52cfb 100644
--- a/cmd/kcl/commands/lint.go
+++ b/cmd/kcl/commands/lint.go
@@ -8,8 +8,7 @@ import (
 )
 
 const (
-	lintDesc = `
-This command lints the kcl code. 'kcl lint' takes multiple input for arguments.
+	lintDesc = `This command lints the kcl code. 'kcl lint' takes multiple input for arguments.
 
 For example, 'kcl lint path/to/kcl.k' will lint the file named path/to/kcl.k 
 `
@@ -23,8 +22,7 @@ For example, 'kcl lint path/to/kcl.k' will lint the file named path/to/kcl.k
   kcl lint oci://ghcr.io/kcl-lang/hello-world
   
   # Lint the current package
-  kcl lint
-  `
+  kcl lint`
 )
 
 // NewLintCmd returns the lint command.
diff --git a/cmd/kcl/commands/mod.go b/cmd/kcl/commands/mod.go
index 6ce2b83..7b22851 100644
--- a/cmd/kcl/commands/mod.go
+++ b/cmd/kcl/commands/mod.go
@@ -7,8 +7,7 @@ import (
 )
 
 const (
-	modDesc = `
-This command manages the kcl module
+	modDesc = `This command manages the kcl module
 `
 	modExample = `  kcl mod <command> [arguments]...
   # Init one kcl module
diff --git a/cmd/kcl/commands/mod_add.go b/cmd/kcl/commands/mod_add.go
index 52467a5..4aa5880 100644
--- a/cmd/kcl/commands/mod_add.go
+++ b/cmd/kcl/commands/mod_add.go
@@ -16,17 +16,16 @@ import (
 )
 
 const (
-	modAddDesc = `
-  This command adds new dependency
-  `
+	modAddDesc = `This command adds new dependency
+`
 	modAddExample = `  # Add the module dependency named "k8s"
-	kcl mod add k8s
-  
-	# Add the module dependency named "k8s" with the version "1.28"
-	kcl mod add k8s:1.28
+  kcl mod add k8s
+
+  # Add the module dependency named "k8s" with the version "1.28"
+  kcl mod add k8s:1.28
 	
-	# Add a local dependency
-	kcl mod add /path/to/another_module`
+  # Add a local dependency
+  kcl mod add /path/to/another_module`
 )
 
 // NewModAddCmd returns the mod add command.
diff --git a/cmd/kcl/commands/mod_init.go b/cmd/kcl/commands/mod_init.go
index f8d0c99..c9dfb49 100644
--- a/cmd/kcl/commands/mod_init.go
+++ b/cmd/kcl/commands/mod_init.go
@@ -14,15 +14,14 @@ import (
 )
 
 const (
-	modInitDesc = `
-  This command initializes new kcl module in current directory.
-  `
+	modInitDesc = `This command initializes new kcl module in current directory.
+`
 	modInitExample = `  kcl mod init <command> [arguments]...
-	# Init one kcl module with the current folder name
-	kcl mod init
+  # Init one kcl module with the current folder name
+  kcl mod init
   
-	# Init one kcl module with the name
-	kcl mod init package-name`
+  # Init one kcl module with the name
+  kcl mod init package-name`
 )
 
 // NewModInitCmd returns the mod init command.
diff --git a/cmd/kcl/commands/mod_metadata.go b/cmd/kcl/commands/mod_metadata.go
index 24a5398..c176644 100644
--- a/cmd/kcl/commands/mod_metadata.go
+++ b/cmd/kcl/commands/mod_metadata.go
@@ -13,17 +13,16 @@ import (
 )
 
 const (
-	modMetadataDesc = `
-  This command outputs the resolved dependencies of a package
-  `
+	modMetadataDesc = `This command outputs the resolved dependencies of a package
+`
 	modMetadataExample = `  # Output the resolved dependencies the current module
-	kcl mod metadata
+  kcl mod metadata
   
-	# Output the resolved dependencies the current module in the vendor mode
-	kcl mod metadata --vendor
+  # Output the resolved dependencies the current module in the vendor mode
+  kcl mod metadata --vendor
 	
-	# Output the resolved dependencies the current module with the update check
-	kcl mod metadata --update`
+  # Output the resolved dependencies the current module with the update check
+  kcl mod metadata --update`
 )
 
 // NewModMetadataCmd returns the mod metadata command.
diff --git a/cmd/kcl/commands/mod_pkg.go b/cmd/kcl/commands/mod_pkg.go
index 4b52bc5..754f402 100644
--- a/cmd/kcl/commands/mod_pkg.go
+++ b/cmd/kcl/commands/mod_pkg.go
@@ -14,17 +14,16 @@ import (
 )
 
 const (
-	modPkgDesc = `
-  This command converts a kcl module into tar
-  `
+	modPkgDesc = `This command converts a kcl module into tar
+`
 	modPkgExample = `  # Package the current module
-	kcl mod pkg
+  kcl mod pkg
   
-	# Package the current module in the vendor mode
-	kcl mod pkg --vendor
+  # Package the current module in the vendor mode
+  kcl mod pkg --vendor
 	
-	# Package the current module into the target directory
-	kcl mod pkg --target /path/to/target_dir`
+  # Package the current module into the target directory
+  kcl mod pkg --target /path/to/target_dir`
 )
 
 // NewModPkgCmd returns the mod pkg command.
diff --git a/cmd/kcl/commands/mod_pull.go b/cmd/kcl/commands/mod_pull.go
index 235c6c6..0de1182 100644
--- a/cmd/kcl/commands/mod_pull.go
+++ b/cmd/kcl/commands/mod_pull.go
@@ -6,11 +6,10 @@ import (
 )
 
 const (
-	modPullDesc = `
-  This command pulls kcl modules from the registry.
-  `
+	modPullDesc = `This command pulls kcl modules from the registry.
+`
 	modPullExample = `  # Pull the the module named "k8s" to the local path from the registry
-	kcl mod pull k8s`
+  kcl mod pull k8s`
 )
 
 // NewModPullCmd returns the mod pull command.
diff --git a/cmd/kcl/commands/mod_push.go b/cmd/kcl/commands/mod_push.go
index 3a42a74..e969787 100644
--- a/cmd/kcl/commands/mod_push.go
+++ b/cmd/kcl/commands/mod_push.go
@@ -16,14 +16,13 @@ import (
 )
 
 const (
-	modPushDesc = `
-  This command pushes kcl modules to the registry.
-  `
+	modPushDesc = `This command pushes kcl modules to the registry.
+`
 	modPushExample = `  # Push the current module to the registry
-	kcl mod push
+  kcl mod push
   
-	# Push the current module to the registry in the vendor mode
-	kcl mod push --vendor`
+  # Push the current module to the registry in the vendor mode
+  kcl mod push --vendor`
 )
 
 // NewModPushCmd returns the mod push command.
diff --git a/cmd/kcl/commands/mod_update.go b/cmd/kcl/commands/mod_update.go
index 8255f26..3427eec 100644
--- a/cmd/kcl/commands/mod_update.go
+++ b/cmd/kcl/commands/mod_update.go
@@ -11,14 +11,13 @@ import (
 )
 
 const (
-	modUpdateDesc = `
-  This command updates dependencies listed in kcl.mod.lock based on kcl.mod.
-  `
+	modUpdateDesc = `This command updates dependencies listed in kcl.mod.lock based on kcl.mod.
+`
 	modUpdateExample = `  # Update the current module
-	kcl mod update
+  kcl mod update
   
-	# Update the module with the specified path
-	kcl mod update path/to/package`
+  # Update the module with the specified path
+  kcl mod update path/to/package`
 )
 
 // NewModUpdateCmd returns the mod update command.
diff --git a/cmd/kcl/commands/play.go b/cmd/kcl/commands/play.go
index f6e7b3e..f9d031d 100644
--- a/cmd/kcl/commands/play.go
+++ b/cmd/kcl/commands/play.go
@@ -12,8 +12,7 @@ import (
 )
 
 const (
-	playDesc = `
-This command opens the kcl playground in the browser.
+	playDesc = `This command opens the kcl playground in the browser.
 `
 	playExample = `  # Open in the localhost:80 and open the browser.
   kcl play --open
diff --git a/cmd/kcl/commands/registry.go b/cmd/kcl/commands/registry.go
index dc63880..26609b9 100644
--- a/cmd/kcl/commands/registry.go
+++ b/cmd/kcl/commands/registry.go
@@ -7,15 +7,13 @@ import (
 )
 
 const (
-	registryDesc = `
-This command manages the kcl registry
+	registryDesc = `This command manages the kcl registry
 `
 	registryExample = `  # Login the registry
   kcl registry login docker.io
 
   # Logout the registry
-  kcl registry logout
-  `
+  kcl registry logout`
 )
 
 var (
diff --git a/cmd/kcl/commands/registry_login.go b/cmd/kcl/commands/registry_login.go
index 15dfed3..ec95e6f 100644
--- a/cmd/kcl/commands/registry_login.go
+++ b/cmd/kcl/commands/registry_login.go
@@ -8,18 +8,17 @@ import (
 )
 
 const (
-	registryLoginDesc = `
-  This command can be used to login to a registry.
-  `
+	registryLoginDesc = `This command can be used to login to a registry.
+`
 	registryLoginExample = `  # Login the docker hub
-	kcl registry login docker.io
+  kcl registry login docker.io
 
-	# Login the GitHub container registry
-	kcl registry login ghcr.io
+  # Login the GitHub container registry
+  kcl registry login ghcr.io
 
-	# Login a localhost registry
-	kcl registry login https://localhost:5001
-	`
+  # Login a localhost registry
+  kcl registry login https://localhost:5001
+`
 )
 
 // NewRegistryLoginCmd returns the registry login command.
diff --git a/cmd/kcl/commands/registry_logout.go b/cmd/kcl/commands/registry_logout.go
index f929904..ae89310 100644
--- a/cmd/kcl/commands/registry_logout.go
+++ b/cmd/kcl/commands/registry_logout.go
@@ -7,12 +7,11 @@ import (
 )
 
 const (
-	registryLogoutDesc = `
-  This command can be used to logout from the current registry.
-  `
+	registryLogoutDesc = `This command can be used to logout from the current registry.
+`
 	registryLogoutExample = `  # Logout the registry
-	kcl registry logout docker.io
-	`
+  kcl registry logout docker.io
+`
 )
 
 // NewRegistryLogoutCmd returns the registry logout command.
diff --git a/cmd/kcl/commands/run.go b/cmd/kcl/commands/run.go
index b2e0a2c..a8454dd 100644
--- a/cmd/kcl/commands/run.go
+++ b/cmd/kcl/commands/run.go
@@ -8,8 +8,7 @@ import (
 )
 
 const (
-	runDesc = `
-This command runs the kcl code and displays the output. 'kcl run' takes multiple input for arguments.
+	runDesc = `This command runs the kcl code and displays the output. 'kcl run' takes multiple input for arguments.
 
 For example, 'kcl run path/to/kcl.k' will run the file named path/to/kcl.k 
 `
@@ -26,8 +25,7 @@ For example, 'kcl run path/to/kcl.k' will run the file named path/to/kcl.k
   kcl run oci://ghcr.io/kcl-lang/hello-world
   
   # Run the current package
-  kcl run
-  `
+  kcl run`
 )
 
 // NewRunCmd returns the run command.
diff --git a/cmd/kcl/commands/server.go b/cmd/kcl/commands/server.go
index 6cae4cc..e1de775 100644
--- a/cmd/kcl/commands/server.go
+++ b/cmd/kcl/commands/server.go
@@ -9,8 +9,7 @@ import (
 )
 
 const (
-	serverDesc = `
-This command runs a kcl server with multiple REST APIs. See https://kcl-lang.io/docs/reference/xlang-api/rest-api for more information.
+	serverDesc = `This command runs a kcl server with multiple REST APIs. See https://kcl-lang.io/docs/reference/xlang-api/rest-api for more information.
 `
 	serverExample = `  # Run a kcl server
   kcl server
@@ -22,8 +21,7 @@ This command runs a kcl server with multiple REST APIs. See https://kcl-lang.io/
   curl -X POST http://127.0.0.1:2021/api:protorpc/BuiltinService.ListMethod --data '{}'
 
   # Use the Run API
-  curl -X POST http://127.0.0.1:2021/api:protorpc/KclvmService.ExecProgram -H  "accept: application/json" --data '{"k_filename_list": ["main.k"]}'
-  `
+  curl -X POST http://127.0.0.1:2021/api:protorpc/KclvmService.ExecProgram -H  "accept: application/json" --data '{"k_filename_list": ["main.k"]}'`
 )
 
 var (
diff --git a/cmd/kcl/commands/test.go b/cmd/kcl/commands/test.go
index e97cc0e..9940224 100644
--- a/cmd/kcl/commands/test.go
+++ b/cmd/kcl/commands/test.go
@@ -12,8 +12,7 @@ import (
 )
 
 const (
-	testDesc = `
-This command automates testing the packages named by the import paths.
+	testDesc = `This command automates testing the packages named by the import paths.
 
 'KCL test' re-compiles each package along with any files with names matching
 the file pattern "*_test.k". These additional files can contain test functions
@@ -29,8 +28,7 @@ that starts with "test_*".
   kcl test ./... --fail-fast
 
   # Test with the regex expression filter 'test_func'
-  kcl test ./... --run test_func
-  `
+  kcl test ./... --run test_func`
 )
 
 // NewTestCmd returns the test command.
diff --git a/cmd/kcl/commands/vet.go b/cmd/kcl/commands/vet.go
index c2c106f..404e05f 100644
--- a/cmd/kcl/commands/vet.go
+++ b/cmd/kcl/commands/vet.go
@@ -13,8 +13,7 @@ import (
 )
 
 const (
-	vetDesc = `
-This command validates the data file using the kcl code.
+	vetDesc = `This command validates the data file using the kcl code.
 `
 	vetExample = `  # Validate the JSON data using the kcl code
   kcl vet data.json code.k
@@ -23,8 +22,7 @@ This command validates the data file using the kcl code.
   kcl vet data.yaml code.k --format yaml
 
   # Validate the JSON data using the kcl code with the schema name
-  kcl vet data.json code.k -s Schema
-`
+  kcl vet data.json code.k -s Schema`
 )
 
 // NewVetCmd returns the vet command.