diff --git a/app/Console/Attach/Gitlab/ProjectInit.php b/app/Console/Attach/Gitlab/ProjectInit.php
index 9cb562f..45352ea 100644
--- a/app/Console/Attach/Gitlab/ProjectInit.php
+++ b/app/Console/Attach/Gitlab/ProjectInit.php
@@ -13,7 +13,7 @@
  */
 class ProjectInit extends Command
 {
-    protected static $name = 'pinit';
+    protected static string $name = 'pinit';
 
     protected function configure(): void
     {
diff --git a/app/Console/Command/CheatCommand.php b/app/Console/Command/CheatCommand.php
index 368f858..d3d3007 100644
--- a/app/Console/Command/CheatCommand.php
+++ b/app/Console/Command/CheatCommand.php
@@ -38,9 +38,9 @@ class CheatCommand extends Command
 {
     public const CHT_HOST = 'https://cht.sh/';
 
-    protected static $name = 'cheat';
+    protected static string $name = 'cheat';
 
-    protected static $desc = 'Query cheat for development';
+    protected static string $desc = 'Query cheat for development';
 
     /**
      * @return string[]
diff --git a/app/Console/Command/DemoCommand.php b/app/Console/Command/DemoCommand.php
index da87cf1..fe84de4 100644
--- a/app/Console/Command/DemoCommand.php
+++ b/app/Console/Command/DemoCommand.php
@@ -18,9 +18,9 @@
  */
 class DemoCommand extends Command
 {
-    protected static $name = 'demo1';
+    protected static string $name = 'demo1';
 
-    protected static $desc = 'a test command';
+    protected static string $desc = 'a test command';
 
     public static function isEnabled(): bool
     {
diff --git a/app/Console/Command/DocCommand.php b/app/Console/Command/DocCommand.php
index a008ce9..9713b68 100644
--- a/app/Console/Command/DocCommand.php
+++ b/app/Console/Command/DocCommand.php
@@ -34,9 +34,9 @@
  */
 class DocCommand extends Command
 {
-    protected static $name = 'doc';
+    protected static string $name = 'doc';
 
-    protected static $desc = 'Useful documents for how to use git,tmux and more tool';
+    protected static string $desc = 'Useful documents for how to use git,tmux and more tool';
 
     /**
      * @var string
@@ -115,7 +115,7 @@ private function prepareManDoc(): Document
      * @param Input  $input
      * @param Output $output
      */
-    protected function execute(Input $input, Output $output)
+    protected function execute(Input $input, Output $output): void
     {
         $man = $this->prepareManDoc();
         if ($errPaths = $man->getErrorPaths()) {
diff --git a/app/Console/Command/EnvCommand.php b/app/Console/Command/EnvCommand.php
index 187b243..a141b54 100644
--- a/app/Console/Command/EnvCommand.php
+++ b/app/Console/Command/EnvCommand.php
@@ -20,9 +20,9 @@
  */
 class EnvCommand extends Command
 {
-    protected static $name = 'env';
+    protected static string $name = 'env';
 
-    protected static $desc = 'a test command';
+    protected static string $desc = 'a test command';
 
     /**
      * print system ENV information
diff --git a/app/Console/Command/ExprCommand.php b/app/Console/Command/ExprCommand.php
index c879407..4768563 100644
--- a/app/Console/Command/ExprCommand.php
+++ b/app/Console/Command/ExprCommand.php
@@ -43,9 +43,9 @@
  */
 class ExprCommand extends Command
 {
-    protected static $name = 'expr';
+    protected static string $name = 'expr';
 
-    protected static $desc = 'Use for expression calculation';
+    protected static string $desc = 'Use for expression calculation';
 
     public const RESULT_VAR = 'ret';
 
diff --git a/app/Console/Command/FindCommand.php b/app/Console/Command/FindCommand.php
index 2a35fd8..db4d1de 100644
--- a/app/Console/Command/FindCommand.php
+++ b/app/Console/Command/FindCommand.php
@@ -21,9 +21,9 @@
  */
 class FindCommand extends Command
 {
-    protected static $name = 'find';
+    protected static string $name = 'find';
 
-    protected static $desc = 'find file name, contents by grep,find command';
+    protected static string $desc = 'find file name, contents by grep,find command';
 
     public static function aliases(): array
     {
diff --git a/app/Console/Command/InitCommand.php b/app/Console/Command/InitCommand.php
index 6744291..5172dd1 100644
--- a/app/Console/Command/InitCommand.php
+++ b/app/Console/Command/InitCommand.php
@@ -21,9 +21,9 @@
  */
 class InitCommand extends Command
 {
-    protected static $name = 'init';
+    protected static string $name = 'init';
 
-    protected static $desc = 'initialize kite on the system';
+    protected static string $desc = 'initialize kite on the system';
 
     /**
      * @options
diff --git a/app/Console/Command/Json5Command.php b/app/Console/Command/Json5Command.php
index 5e80c9e..73fe461 100644
--- a/app/Console/Command/Json5Command.php
+++ b/app/Console/Command/Json5Command.php
@@ -27,9 +27,9 @@
  */
 class Json5Command extends Command
 {
-    protected static $name = 'json5';
+    protected static string $name = 'json5';
 
-    protected static $desc = 'read and convert json5 file to json format';
+    protected static string $desc = 'read and convert json5 file to json format';
 
     public static function aliases(): array
     {
diff --git a/app/Console/Command/MarkdownCommand.php b/app/Console/Command/MarkdownCommand.php
index 8f494fa..b569c04 100644
--- a/app/Console/Command/MarkdownCommand.php
+++ b/app/Console/Command/MarkdownCommand.php
@@ -22,12 +22,12 @@
 class MarkdownCommand extends Command
 {
     /** @var string  */
-    protected static $name = 'markdown';
+    protected static string $name = 'markdown';
 
     /**
      * @var string
      */
-    protected static $desc = 'render markdown file on terminal';
+    protected static string $desc = 'render markdown file on terminal';
 
     /**
      * @return string[]
diff --git a/app/Console/Command/RunCommand.php b/app/Console/Command/RunCommand.php
index d8ec258..7c9f2c3 100644
--- a/app/Console/Command/RunCommand.php
+++ b/app/Console/Command/RunCommand.php
@@ -24,9 +24,9 @@
  */
 class RunCommand extends Command
 {
-    protected static $name = 'run';
+    protected static string $name = 'run';
 
-    protected static $desc = 'run an script command or script file or kite plugin';
+    protected static string $desc = 'run an script command or script file or kite plugin';
 
     /**
      * @var ScriptRunner
diff --git a/app/Console/Command/SearchCommand.php b/app/Console/Command/SearchCommand.php
index a90a5fb..45e646c 100644
--- a/app/Console/Command/SearchCommand.php
+++ b/app/Console/Command/SearchCommand.php
@@ -13,9 +13,9 @@
  */
 class SearchCommand extends Command
 {
-    protected static $name = 'search';
+    protected static string $name = 'search';
 
-    protected static $desc = 'Search by web search engine, such as google, baidu, bing';
+    protected static string $desc = 'Search by web search engine, such as google, baidu, bing';
 
     private array $engines = [
         'google'        => 'https://www.google.com/search?q=',
diff --git a/app/Console/Controller/ConvertController.php b/app/Console/Controller/ConvertController.php
index cc9df21..e0e8c19 100644
--- a/app/Console/Controller/ConvertController.php
+++ b/app/Console/Controller/ConvertController.php
@@ -44,9 +44,9 @@
  */
 class ConvertController extends Controller
 {
-    protected static $name = 'convert';
+    protected static string $name = 'convert';
 
-    protected static $desc = 'Some useful convert development tool commands';
+    protected static string $desc = 'Some useful convert development tool commands';
 
     /**
      * @return string[]
diff --git a/app/Console/Controller/CronTabController.php b/app/Console/Controller/CronTabController.php
index a3622d3..1833377 100644
--- a/app/Console/Controller/CronTabController.php
+++ b/app/Console/Controller/CronTabController.php
@@ -22,9 +22,9 @@
  */
 class CronTabController extends Controller
 {
-    protected static $name = 'crontab';
+    protected static string $name = 'crontab';
 
-    protected static $desc = 'parse or convert crontab expression';
+    protected static string $desc = 'parse or convert crontab expression';
 
     public static function aliases(): array
     {
diff --git a/app/Console/Controller/DbController.php b/app/Console/Controller/DbController.php
index 1e30a82..985c3c0 100644
--- a/app/Console/Controller/DbController.php
+++ b/app/Console/Controller/DbController.php
@@ -24,9 +24,9 @@
  */
 class DbController extends Controller
 {
-    protected static $name = 'db';
+    protected static string $name = 'db';
 
-    protected static $desc = 'Database development tool commands';
+    protected static string $desc = 'Database development tool commands';
 
     /**
      * convert an mysql table create SQL to markdown table
diff --git a/app/Console/Controller/DemoController.php b/app/Console/Controller/DemoController.php
index d667fe3..926a59d 100644
--- a/app/Console/Controller/DemoController.php
+++ b/app/Console/Controller/DemoController.php
@@ -18,9 +18,9 @@
  */
 class DemoController extends Controller
 {
-    protected static $name = 'demo';
+    protected static string $name = 'demo';
 
-    protected static $desc = 'Some useful development tool commands';
+    protected static string $desc = 'Some useful development tool commands';
 
     public static function isEnabled(): bool
     {
diff --git a/app/Console/Controller/FsController.php b/app/Console/Controller/FsController.php
index bb974db..62f25da 100644
--- a/app/Console/Controller/FsController.php
+++ b/app/Console/Controller/FsController.php
@@ -25,9 +25,9 @@
  */
 class FsController extends Controller
 {
-    protected static $name = 'fs';
+    protected static string $name = 'fs';
 
-    protected static $desc = 'Some useful development tool commands';
+    protected static string $desc = 'Some useful development tool commands';
 
     public static function aliases(): array
     {
diff --git a/app/Console/Controller/GenerateController.php b/app/Console/Controller/GenerateController.php
index b9d853b..2a03474 100644
--- a/app/Console/Controller/GenerateController.php
+++ b/app/Console/Controller/GenerateController.php
@@ -30,9 +30,9 @@
  */
 class GenerateController extends Controller
 {
-    protected static $name = 'gen';
+    protected static string $name = 'gen';
 
-    protected static $desc = 'quick generate new class or file from template';
+    protected static string $desc = 'quick generate new class or file from template';
 
     public static function aliases(): array
     {
diff --git a/app/Console/Controller/GitController.php b/app/Console/Controller/GitController.php
index 1a4c518..0d6feba 100644
--- a/app/Console/Controller/GitController.php
+++ b/app/Console/Controller/GitController.php
@@ -49,9 +49,9 @@
  */
 class GitController extends Controller
 {
-    protected static $name = 'git';
+    protected static string $name = 'git';
 
-    protected static $desc = 'Provide useful tool commands for quick use git';
+    protected static string $desc = 'Provide useful tool commands for quick use git';
 
     /**
      * @var DataObject
diff --git a/app/Console/Controller/GitFlowController.php b/app/Console/Controller/GitFlowController.php
index 0e115ca..1e6e422 100644
--- a/app/Console/Controller/GitFlowController.php
+++ b/app/Console/Controller/GitFlowController.php
@@ -24,9 +24,9 @@
  */
 class GitFlowController extends Controller
 {
-    protected static $name = 'gitflow';
+    protected static string $name = 'gitflow';
 
-    protected static $desc = 'Some useful tool commands for git flow development';
+    protected static string $desc = 'Some useful tool commands for git flow development';
 
     /**
      * @var array
diff --git a/app/Console/Controller/GitHubController.php b/app/Console/Controller/GitHubController.php
index 1a3d48f..9320651 100644
--- a/app/Console/Controller/GitHubController.php
+++ b/app/Console/Controller/GitHubController.php
@@ -28,9 +28,9 @@
  */
 class GitHubController extends Controller
 {
-    protected static $name = 'github';
+    protected static string $name = 'github';
 
-    protected static $desc = 'Some useful development tool commands';
+    protected static string $desc = 'Some useful development tool commands';
 
     /**
      * @var array
diff --git a/app/Console/Controller/GitLabController.php b/app/Console/Controller/GitLabController.php
index fbaf2e7..f26f7ce 100644
--- a/app/Console/Controller/GitLabController.php
+++ b/app/Console/Controller/GitLabController.php
@@ -43,9 +43,9 @@
  */
 class GitLabController extends Controller
 {
-    protected static $name = 'gitlab';
+    protected static string $name = 'gitlab';
 
-    protected static $desc = 'Some useful tool commands for gitlab development';
+    protected static string $desc = 'Some useful tool commands for gitlab development';
 
     /**
      * @var array
diff --git a/app/Console/Controller/GitSubtreeController.php b/app/Console/Controller/GitSubtreeController.php
index 05674fd..e021035 100644
--- a/app/Console/Controller/GitSubtreeController.php
+++ b/app/Console/Controller/GitSubtreeController.php
@@ -36,8 +36,8 @@ class GitSubtreeController extends Controller
     public const TYPE_SSL   = 'git@github.com:';
     public const TYPE_HTTPS = 'https://github.com/';
 
-    protected static $name = 'git-sub';
-    protected static $desc = 'quick the git subtree tool';
+    protected static string $name = 'git-sub';
+    protected static string $desc = 'quick the git subtree tool';
 
     /**
      * @var string
diff --git a/app/Console/Controller/GoController.php b/app/Console/Controller/GoController.php
index 02346ea..858410a 100644
--- a/app/Console/Controller/GoController.php
+++ b/app/Console/Controller/GoController.php
@@ -24,9 +24,9 @@
  */
 class GoController extends Controller
 {
-    protected static $name = 'go';
+    protected static string $name = 'go';
 
-    protected static $desc = 'Some useful tool commands for go development';
+    protected static string $desc = 'Some useful tool commands for go development';
 
     protected static function commandAliases(): array
     {
diff --git a/app/Console/Controller/JavaController.php b/app/Console/Controller/JavaController.php
index f00c755..be7ca60 100644
--- a/app/Console/Controller/JavaController.php
+++ b/app/Console/Controller/JavaController.php
@@ -24,9 +24,9 @@
  */
 class JavaController extends Controller
 {
-    protected static $name = 'java';
+    protected static string $name = 'java';
 
-    protected static $desc = 'Some useful tool commands for java development';
+    protected static string $desc = 'Some useful tool commands for java development';
 
     protected static function commandAliases(): array
     {
diff --git a/app/Console/Controller/JsonController.php b/app/Console/Controller/JsonController.php
index 454b577..5069db1 100644
--- a/app/Console/Controller/JsonController.php
+++ b/app/Console/Controller/JsonController.php
@@ -41,9 +41,9 @@
  */
 class JsonController extends Controller
 {
-    protected static $name = 'json';
+    protected static string $name = 'json';
 
-    protected static $desc = 'Some useful json development tool commands';
+    protected static string $desc = 'Some useful json development tool commands';
 
     /**
      * @var string
diff --git a/app/Console/Controller/JumpController.php b/app/Console/Controller/JumpController.php
index 2b35eea..275cc96 100644
--- a/app/Console/Controller/JumpController.php
+++ b/app/Console/Controller/JumpController.php
@@ -30,9 +30,9 @@
  */
 class JumpController extends Controller
 {
-    protected static $name = 'jump';
+    protected static string $name = 'jump';
 
-    protected static $desc = 'Jump helps you navigate faster by your history.';
+    protected static string $desc = 'Jump helps you navigate faster by your history.';
 
     /**
      * @return string[]
diff --git a/app/Console/Controller/K8sController.php b/app/Console/Controller/K8sController.php
index d966290..170a565 100644
--- a/app/Console/Controller/K8sController.php
+++ b/app/Console/Controller/K8sController.php
@@ -23,9 +23,9 @@
  */
 class K8sController extends Controller
 {
-    protected static $name = 'k8s';
+    protected static string $name = 'k8s';
 
-    protected static $desc = 'Kubernetes development tool commands';
+    protected static string $desc = 'Kubernetes development tool commands';
 
     /**
      * generate apply template contents for k8s
diff --git a/app/Console/Controller/PhpController.php b/app/Console/Controller/PhpController.php
index c31c200..c72284a 100644
--- a/app/Console/Controller/PhpController.php
+++ b/app/Console/Controller/PhpController.php
@@ -51,9 +51,9 @@
  */
 class PhpController extends Controller
 {
-    protected static $name = 'php';
+    protected static string $name = 'php';
 
-    protected static $desc = 'Some useful tool commands for php development';
+    protected static string $desc = 'Some useful tool commands for php development';
 
     protected static function commandAliases(): array
     {
diff --git a/app/Console/Controller/PluginController.php b/app/Console/Controller/PluginController.php
index 93b1322..f668ad8 100644
--- a/app/Console/Controller/PluginController.php
+++ b/app/Console/Controller/PluginController.php
@@ -22,9 +22,9 @@
  */
 class PluginController extends Controller
 {
-    protected static $name = 'plugin';
+    protected static string $name = 'plugin';
 
-    protected static $desc = 'kite plugins manage tools';
+    protected static string $desc = 'kite plugins manage tools';
 
     /**
      * @return string[]
diff --git a/app/Console/Controller/ProjectController.php b/app/Console/Controller/ProjectController.php
index 346dce9..645625a 100644
--- a/app/Console/Controller/ProjectController.php
+++ b/app/Console/Controller/ProjectController.php
@@ -12,9 +12,9 @@
  */
 class ProjectController extends Controller
 {
-    protected static $name = 'new';
+    protected static string $name = 'new';
 
-    protected static $desc = 'quick create new project or package or library tool commands';
+    protected static string $desc = 'quick create new project or package or library tool commands';
 
     public static function aliases(): array
     {
diff --git a/app/Console/Controller/SelfController.php b/app/Console/Controller/SelfController.php
index c416afb..11d74ee 100644
--- a/app/Console/Controller/SelfController.php
+++ b/app/Console/Controller/SelfController.php
@@ -34,9 +34,9 @@
  */
 class SelfController extends Controller
 {
-    protected static $name = 'self';
+    protected static string $name = 'self';
 
-    protected static $desc = 'Operate and manage kite self commands';
+    protected static string $desc = 'Operate and manage kite self commands';
 
     /**
      * @var string
diff --git a/app/Console/Controller/SnippetController.php b/app/Console/Controller/SnippetController.php
index b7ceac2..04dd1c5 100644
--- a/app/Console/Controller/SnippetController.php
+++ b/app/Console/Controller/SnippetController.php
@@ -18,9 +18,9 @@
  */
 class SnippetController extends Controller
 {
-    protected static $name = 'snippet';
+    protected static string $name = 'snippet';
 
-    protected static $desc = 'Some useful development tool commands';
+    protected static string $desc = 'Some useful development tool commands';
 
     /**
      * @return string[]
diff --git a/app/Console/Controller/SqlController.php b/app/Console/Controller/SqlController.php
index 0ebea57..784ddbe 100644
--- a/app/Console/Controller/SqlController.php
+++ b/app/Console/Controller/SqlController.php
@@ -22,9 +22,9 @@
  */
 class SqlController extends Controller
 {
-    protected static $name = 'sql';
+    protected static string $name = 'sql';
 
-    protected static $desc = 'Some useful development tool commands for SQL';
+    protected static string $desc = 'Some useful development tool commands for SQL';
 
     /**
      * @return string[][]
diff --git a/app/Console/Controller/StringController.php b/app/Console/Controller/StringController.php
index e3d1359..e9870de 100644
--- a/app/Console/Controller/StringController.php
+++ b/app/Console/Controller/StringController.php
@@ -48,9 +48,9 @@
  */
 class StringController extends Controller
 {
-    protected static $name = 'string';
+    protected static string $name = 'string';
 
-    protected static $desc = 'Some useful development tool commands';
+    protected static string $desc = 'Some useful development tool commands';
 
     /**
      * @var string
diff --git a/app/Console/Controller/SysController.php b/app/Console/Controller/SysController.php
index e91a489..68e58f1 100644
--- a/app/Console/Controller/SysController.php
+++ b/app/Console/Controller/SysController.php
@@ -18,9 +18,9 @@
  */
 class SysController extends Controller
 {
-    protected static $name = 'sys';
+    protected static string $name = 'sys';
 
-    protected static $desc = 'Some useful tool commands for system';
+    protected static string $desc = 'Some useful tool commands for system';
 
     /**
      * run a php built-in server for development(is alias of the command 'server:dev')
diff --git a/app/Console/Controller/UtilController.php b/app/Console/Controller/UtilController.php
index 72842b8..e3b7a79 100644
--- a/app/Console/Controller/UtilController.php
+++ b/app/Console/Controller/UtilController.php
@@ -47,9 +47,9 @@ class UtilController extends Controller
         'GoLand',
     ];
 
-    protected static $name = 'util';
+    protected static string $name = 'util';
 
-    protected static $desc = 'Some useful development tool commands';
+    protected static string $desc = 'Some useful development tool commands';
 
     protected static function commandAliases(): array
     {
diff --git a/resource/snippets/DemoGroup.php b/resource/snippets/DemoGroup.php
index 16edf98..1126ef1 100644
--- a/resource/snippets/DemoGroup.php
+++ b/resource/snippets/DemoGroup.php
@@ -18,9 +18,9 @@
  */
 class DemoGroup extends Controller
 {
-    protected static $name = 'demo';
+    protected static string $name = 'demo';
 
-    protected static $description = 'Some useful development tool commands';
+    protected static string $description = 'Some useful development tool commands';
 
     /**
      * run a php built-in server for development(is alias of the command 'server:dev')