diff --git a/lib/_launch.php b/lib/_launch.php
index 693b89b..9c34847 100755
--- a/lib/_launch.php
+++ b/lib/_launch.php
@@ -11,6 +11,7 @@ $argv = array_merge(
 );
 
 $app_params = unserialize(file_get_contents($paramsfile));
+@unlink($paramsfile);
 require $app_params["vendor"]["autoload"];
 
 use nur\cli\Application;
diff --git a/src/app/launcher.php b/src/app/launcher.php
index 5667bfe..181d1a2 100644
--- a/src/app/launcher.php
+++ b/src/app/launcher.php
@@ -3,6 +3,7 @@ namespace nur\sery\app;
 
 use nur\sery\cl;
 use nur\sery\file\TmpfileWriter;
+use nur\sery\os\path;
 use nur\sery\os\proc\Cmd;
 use nur\sery\output\msg;
 use nur\sery\StateException;
@@ -18,24 +19,28 @@ class launcher {
    * - les valeurs séquentielles sont prises telles quelles
    */
   static function verifix_args(array $args): array {
-    if (cl::is_list($args)) return $args;
-    $fixedArgs = [];
-    $index = 0;
-    foreach ($args as $arg => $value) {
-      if ($arg === $index) {
-        $index++;
-        $fixedArgs[] = $value;
-        continue;
-      } elseif ($value === false) {
-        continue;
+    if (!cl::is_list($args)) {
+      $fixedArgs = [];
+      $index = 0;
+      foreach ($args as $arg => $value) {
+        if ($arg === $index) {
+          $index++;
+          $fixedArgs[] = $value;
+          continue;
+        } elseif ($value === false) {
+          continue;
+        }
+        $arg = str::us2camel($arg);
+        $arg = str::camel2us($arg, false, "-");
+        $arg = str_replace("_", "-", $arg);
+        $fixedArgs[] = "--$arg";
+        if ($value !== true) $fixedArgs[] = "$value";
       }
-      $arg = str::us2camel($arg);
-      $arg = str::camel2us($arg, false, "-");
-      $arg = str_replace("_", "-", $arg);
-      $fixedArgs[] = "--$arg";
-      if ($value !== true) $fixedArgs[] = "$value";
+      $args = $fixedArgs;
     }
-    return $fixedArgs;
+    # corriger le chemin de l'application pour qu'il soit absolu et normalisé
+    $args[0] = path::abspath($args[0]);
+    return $args;
   }
 
   static function launch(string $appClass, array $args): int {
@@ -46,7 +51,7 @@ class launcher {
       $launch_php = __DIR__."/../../lib/_launch.php";
     }
     $tmpfile = new TmpfileWriter();
-    $tmpfile->serialize($app->getParams());
+    $tmpfile->keep()->serialize($app->getParams());
 
     $args = self::verifix_args($args);
     $cmd = new Cmd([
diff --git a/src/file/TmpfileWriter.php b/src/file/TmpfileWriter.php
index 65cb47b..f56046a 100644
--- a/src/file/TmpfileWriter.php
+++ b/src/file/TmpfileWriter.php
@@ -39,6 +39,12 @@ class TmpfileWriter extends FileWriter {
   /** @var bool */
   protected $delete;
 
+  /** désactiver la suppression automatique du fichier temporaire */
+  function keep(): self {
+    $this->delete = false;
+    return $this;
+  }
+
   function __destruct() {
     $this->close();
     if ($this->delete) $this->delete();