diff --git a/src/System/Integrate/Exceptions/Handler.php b/src/System/Integrate/Exceptions/Handler.php
index 2df721c1..006384e8 100644
--- a/src/System/Integrate/Exceptions/Handler.php
+++ b/src/System/Integrate/Exceptions/Handler.php
@@ -57,6 +57,10 @@ public function render(Request $request, \Throwable $th): Response
             return $this->handleHttpException($th);
         }
 
+        if (false === $this->isDebug()) {
+            return $this->handleResponse($th);
+        }
+
         throw $th;
     }
 
@@ -97,7 +101,7 @@ protected function handleJsonResponse(\Throwable $th): Response
             $respone->headers->add($th->getHeaders());
         }
 
-        if ($this->isDev()) {
+        if ($this->isDebug()) {
             return $respone->json([
                 'code'     => $respone->getStatusCode(),
                 'messages' => [
@@ -112,6 +116,11 @@ protected function handleJsonResponse(\Throwable $th): Response
         return $respone->json();
     }
 
+    protected function handleResponse(\Throwable $th): Response
+    {
+        return new Response($th->getMessage(), 500);
+    }
+
     protected function handleHttpException(HttpException $e): Response
     {
         $templator = $this->registerViewPath();
@@ -146,8 +155,8 @@ public function registerViewPath(): Templator
         return $view;
     }
 
-    private function isDev(): bool
+    private function isDebug(): bool
     {
-        return 'dev' === $this->app->get('environment');
+        return $this->app->get('app.debug') ?? false;
     }
 }
diff --git a/tests/Integrate/Exceptions/HandlerTest.php b/tests/Integrate/Exceptions/HandlerTest.php
index a7a74f04..09d4af1f 100644
--- a/tests/Integrate/Exceptions/HandlerTest.php
+++ b/tests/Integrate/Exceptions/HandlerTest.php
@@ -114,7 +114,7 @@ public function itCanReportException()
     public function itCanRenderJson()
     {
         $this->app->bootedCallback(function () {
-            $this->app->set('environment', 'prod');
+            $this->app->set('app.debug', false);
         });
 
         $karnel      = $this->app->make(Karnel::class);
@@ -132,9 +132,12 @@ public function itCanRenderJson()
     }
 
     /** @test */
-    public function itCanRenderJsonForDev()
+    public function itCanRenderJsonForDebug()
     {
-        $this->app->set('environment', 'dev');
+        $this->app->bootedCallback(function () {
+            $this->app->set('app.debug', true);
+        });
+
         $karnel      = $this->app->make(Karnel::class);
         $response    = $karnel->handle(new Request('/test', [], [], [], [], [], [
             'content-type' => 'application/json',