diff --git a/nur_src/v/base/AbstractPageContainer.php b/nur_src/v/base/AbstractPageContainer.php
index 260e607..db7eb81 100644
--- a/nur_src/v/base/AbstractPageContainer.php
+++ b/nur_src/v/base/AbstractPageContainer.php
@@ -269,23 +269,34 @@ abstract class AbstractPageContainer implements IPageContainer {
 
       $this->phase = self::SETUP_PHASE;
       if (self::ensure_setupc($page, false, $output)) {
+        if ($output === false)  {
+          # désactiver la gestion des actions si le retour est false (retour en
+          # l'état)
+          $page->dispatchAction(false);
+        }
         $this->overrideSetup($page);
         $page->afterSetup();
       }
 
       $this->phase = self::PRINT_PHASE;
       if ($output instanceof IComponent) {
+        # composant autonome
         self::ensure_phasec($output);
         if ($this->beforePrint($output)) {
           $this->haveOutput = true;
           co::_print([$output]);
         }
       } elseif (is_callable($output)) {
+        # générateur de contenu
         if ($this->beforePrint(null)) {
           $this->haveOutput = true;
           $output();
         }
+      } elseif ($output === false) {
+        # retour en l'état (contenu déjà géré dans setup())
+        $this->haveOutput = false;
       } elseif ($output !== null) {
+        # contenu json ou texte
         if ($this->beforePrint(null)) {
           $this->haveOutput = true;
           if (is_iterable($output)) {
@@ -299,10 +310,11 @@ abstract class AbstractPageContainer implements IPageContainer {
             }
             echo "]";
           } else {
-            co::_print([strval($output)]);
+            co::_write([strval($output)]);
           }
         }
       } else {
+        # afficher la page normalement
         $this->overridePrint($page);
       }
     } catch (Throwable $e) {
diff --git a/src/cache/CacheDataChannel.php b/src/cache/CacheDataChannel.php
index 768b6d0..af885d6 100644
--- a/src/cache/CacheDataChannel.php
+++ b/src/cache/CacheDataChannel.php
@@ -4,7 +4,7 @@ namespace nulib\cache;
 use Closure;
 use IteratorAggregate;
 use nulib\cache\CacheChannel;
-use nulib\cache\storage_cache;
+use nulib\cache\cache;
 use nulib\cl;
 use nulib\db\CapacitorChannel;
 use Traversable;
@@ -40,7 +40,7 @@ class CacheDataChannel extends CapacitorChannel implements IteratorAggregate {
   }
 
   function getIterator(): Traversable {
-    $cm = storage_cache::get();
+    $cm = cache::get();
     if ($cm->shouldUpdate($this->cacheIds)) {
       $this->capacitor->reset();
       foreach (($this->builder)() as $key => $row) {
diff --git a/src/cache/storage_cache.php b/src/cache/cache.php
similarity index 80%
rename from src/cache/storage_cache.php
rename to src/cache/cache.php
index 1fc6814..46f93b0 100644
--- a/src/cache/storage_cache.php
+++ b/src/cache/cache.php
@@ -1,13 +1,20 @@
 <?php
 namespace nulib\cache;
 
+use nulib\app;
 use nulib\cache\CacheChannel;
 use nulib\cache\CacheDataChannel;
 use nulib\db\Capacitor;
 use nulib\db\CapacitorStorage;
 use nulib\db\sqlite\SqliteStorage;
 
-class storage_cache {
+class cache {
+  protected static ?string $dbfile = null;
+
+  protected static function dbfile(): ?string {
+    return self::$dbfile ??= app::get()->getVarfile("cache.db");
+  }
+
   protected static ?CapacitorStorage $storage = null;
 
   static function set_storage(CapacitorStorage $storage): CapacitorStorage {
@@ -15,7 +22,7 @@ class storage_cache {
   }
 
   protected static function get_storage(): CapacitorStorage {
-    return self::$storage ??= new SqliteStorage("");
+    return self::$storage ??= new SqliteStorage(self::dbfile());
   }
 
   protected static ?CacheChannel $channel = null;