diff --git a/install.php b/install.php
index ea98d99..95532a3 100644
--- a/install.php
+++ b/install.php
@@ -245,7 +245,7 @@ if (isset($_POST['do_install'])) {
-
+
diff --git a/lib/bootstrap.php b/lib/bootstrap.php
index e098922..7fdf26a 100644
--- a/lib/bootstrap.php
+++ b/lib/bootstrap.php
@@ -6,6 +6,9 @@
if (!defined('FB_ROOT')) {
define('FB_ROOT', dirname(__DIR__));
+ // 静态资源版本号：改 assets/ 下的 css/js 后把这个数字 +1，
+ // 让浏览器与 CDN 缓存失效。全站只此一处，别再往页面里写死数字。
+ if (!defined('FB_ASSET_V')) { define('FB_ASSET_V', 10); }
}
/* ------------------------------------------------------------------
diff --git a/lib/layout.php b/lib/layout.php
index 393ce86..5798e8a 100644
--- a/lib/layout.php
+++ b/lib/layout.php
@@ -27,7 +27,7 @@ function fb_layout_head($title, array $opt = []) {
-
+