diff --git a/public/admin.php b/public/admin.php
index bc87c19018d3f62406ccc40f884f2076110bb068..9f19b8465c8ebac53fdd6c034573b07224a54c61 100644
--- a/public/admin.php
+++ b/public/admin.php
@@ -16,7 +16,7 @@
 define('APP_PATH', __DIR__ . '/../application/');
 
 // 判断是否安装FastAdmin
-if (!file_exists(APP_PATH . 'admin/command/Install/install.lock'))
+if (!is_file(APP_PATH . 'admin/command/Install/install.lock'))
 {
     header("location:./install.php");
     exit;
@@ -32,4 +32,4 @@ require __DIR__ . '/../thinkphp/base.php';
 \think\Url::root('');
 
 // 执行应用
-\think\App::run()->send();
\ No newline at end of file
+\think\App::run()->send();
diff --git a/public/index.php b/public/index.php
index 249ed699a3444dd1c603cca4d29bdb70291364f3..004784df8936068ede9163a5ffa277ce651bf8a7 100755
--- a/public/index.php
+++ b/public/index.php
@@ -14,7 +14,7 @@
 define('APP_PATH', __DIR__ . '/../application/');
 
 // 判断是否安装FastAdmin
-if (!file_exists(APP_PATH . 'admin/command/Install/install.lock'))
+if (!is_file(APP_PATH . 'admin/command/Install/install.lock'))
 {
     header("location:./install.php");
     exit;