diff --git a/installer/OptionalPackages.php b/installer/OptionalPackages.php
index 24f984de..834eef50 100644
--- a/installer/OptionalPackages.php
+++ b/installer/OptionalPackages.php
@@ -127,8 +127,8 @@ public function installHyperfScript()
         $ask[] = "Make your selection or type a time zone name, like Asia/Shanghai (n):\n";
         $answer = $this->io->ask(implode('', $ask), 'n');
 
-        if (! empty($answer) || $answer != 'n') {
-            $content = file_get_contents($this->installerSource . '/resources/bin/hyperf.php');
+        $content = file_get_contents($this->installerSource . '/resources/bin/hyperf.stub');
+        if ($answer != 'n') {
             $content = str_replace('%TIME_ZONE%', $answer, $content);
             file_put_contents($this->projectRoot . '/bin/hyperf.php', $content);
         }
diff --git a/installer/resources/bin/hyperf.php b/installer/resources/bin/hyperf.stub
similarity index 100%
rename from installer/resources/bin/hyperf.php
rename to installer/resources/bin/hyperf.stub