diff --git a/src/Commands/BreezejpCommand.php b/src/Commands/BreezejpCommand.php
index be85142..fdade51 100644
--- a/src/Commands/BreezejpCommand.php
+++ b/src/Commands/BreezejpCommand.php
@@ -25,7 +25,9 @@ public function handle(): int
         (new Filesystem)->ensureDirectoryExists(lang_path());
         (new Filesystem)->copyDirectory(__DIR__.'/../../stubs/lang/', lang_path());
 
-        if (file_exists(base_path('config/app.php'))) {
+        $envfile = file_get_contents(base_path('.env'));
+
+        if (strpos($envfile, "APP_FAKER_LOCALE") == false) {
             $this->info('config/app.phpのlocaleをjaにします');
             // Read the contents of the file into a string
             $configfile = file_get_contents(base_path('config/app.php'));
@@ -70,8 +72,6 @@ public function handle(): int
         $configfile = str_replace('APP_FAKER_LOCALE=en_US', 'APP_FAKER_LOCALE=ja_JP', $configfile);
         $configfile = str_replace('APP_TIMEZONE=UTC', 'APP_TIMEZONE=Asia/Tokyo', $configfile);
 
-        var_dump($configfile);
-
         // Save the modified contents back to the file
         file_put_contents(base_path('.env'), $configfile);
 
diff --git a/tests/CommandTest.php b/tests/CommandTest.php
index b46c560..09d7bfd 100644
--- a/tests/CommandTest.php
+++ b/tests/CommandTest.php
@@ -2,7 +2,6 @@
 
 test('.env file exists', function () {
     $this->assertFileExists(base_path('.env'));
-    var_dump(file_get_contents(base_path('.env')));
 });
 
 test('breezejp command successfully run and see all the published files', closure: function () {