diff --git a/app/Console/Controller/PhpController.php b/app/Console/Controller/PhpController.php
index eaff103..31d29b7 100644
--- a/app/Console/Controller/PhpController.php
+++ b/app/Console/Controller/PhpController.php
@@ -192,7 +192,7 @@ public function sql2arrCommand(FlagsParser $fs, Output $output): void
      *
      * @example
      * Use special php and phpunit:
-     * {binWithCmd} --php-bin php7 --phpunit /Users/inhere/.composer/vendor/phpunit/phpunit/phpunit -f KEYWORDS ./test
+     *   {binWithCmd} --php-bin php7 --phpunit /Users/inhere/.composer/vendor/phpunit/phpunit/phpunit -f KEYWORDS ./test
      *
      * @param FlagsParser $fs
      * @param Output $output
@@ -204,6 +204,8 @@ public function runUnitCommand(FlagsParser $fs, Output $output): void
             $dir = dirname($dir);
         }
 
+        $output->info('unit tests code dir or file: ' . $dir);
+
         $runDir = KiteUtil::findPhpUnitConfigFile($dir);
         if (!$runDir) {
             throw new InvalidArgumentException("not found the phpunit.xml(.dist) in $dir or any parent dir");
diff --git a/app/Helper/KiteUtil.php b/app/Helper/KiteUtil.php
index a6f81fd..8e4747a 100644
--- a/app/Helper/KiteUtil.php
+++ b/app/Helper/KiteUtil.php
@@ -137,7 +137,7 @@ public static function findPhpUnitConfigFile(string $dir): string
         $dir = FS::realpath($dir);
 
         while (true) {
-            if (!$dir) {
+            if (!trim($dir, '/')) {
                 break;
             }