add checkEnvironment function in command

src/Commands/HttpServerCommand.php

@@ -50,6 +50,7 @@ class HttpServerCommand extends Command
      */
     public function handle()
     {
+        $this->checkEnvironment();
         $this->loadConfigs();
         $this->initAction();
         $this->runAction();
@@ -305,4 +306,14 @@ protected function isDaemon()
     {
         return $this->configs['server']['options']['daemonize'];
     }
+
+    /**
+     * Check running enironment.
+     */
+    protected function checkEnvironment()
+    {
+        if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
+            throw new \RuntimeException("Swoole extension doesn't support Windows OS yet");
+        }
+    }
 }