diff --git a/examples/renderTest.php b/examples/renderTest.php
index 9213106..90c3037 100644
--- a/examples/renderTest.php
+++ b/examples/renderTest.php
@@ -309,19 +309,19 @@ fclose($handle);
 
 
 
-// // 六、启动渲染器
-// $cfgPath = $sceneTemplatePath . "/render.cfg";
-// $scenePath = $sceneTemplatePath . "/scene.scn";
-// $logPath = $sceneTemplatePath . "/render.log";
-
-// $cmd = "luxcoreconsole -o " . $cfgPath . " -f " . $scenePath . " 1>" . $logPath . " 2>&1";
-// echo "\n".$cmd."\n";
-// $output;
-// $returnVar;
-// exec($cmd,$output,$returnVar);
-
-// if( $returnVar == 127 ){
-//     throw new \Exception("Please install the luxcorerender bin file in the system directory correctly,Or add to the system environment variable");
-// }
+// 六、启动渲染器
+$cfgPath = $sceneTemplatePath . "/render.cfg";
+$scenePath = $sceneTemplatePath . "/scene.scn";
+$logPath = $sceneTemplatePath . "/render.log";
+
+$cmd = "luxcoreconsole -o " . $cfgPath . " -f " . $scenePath . " 1>" . $logPath . " 2>&1";
+echo "\n".$cmd."\n";
+$output;
+$returnVar;
+exec($cmd,$output,$returnVar);
+
+if( $returnVar == 127 ){
+    throw new \Exception("Please install the luxcorerender bin file in the system directory correctly,Or add to the system environment variable");
+}
 
 ?>