diff --git a/inc/theme-core.php b/inc/theme-core.php
index e0071ec..fb8f5c7 100644
--- a/inc/theme-core.php
+++ b/inc/theme-core.php
@@ -179,7 +179,7 @@ add_filter('get_avatar', 'get_https_avatar');
 
 // 主题更新检测
 $myUpdateChecker = Puc_v4_Factory::buildUpdateChecker(
-    'https://github.com/vtrois/kratos/',
+    'https://raw.githubusercontent.com/vtrois/kratos/master/inc/update-checker/update.json',
     get_template_directory() . '/functions.php',
     'Kratos'
 );
diff --git a/inc/update-checker/update.json b/inc/update-checker/update.json
new file mode 100644
index 0000000..43048b2
--- /dev/null
+++ b/inc/update-checker/update.json
@@ -0,0 +1,5 @@
+{
+  "version": "3.1.2",
+  "details_url": "https://github.com/vtrois/kratos/releases/tag/v3.1.2",
+  "download_url": "https://mirrors.vtrois.com/kratos/v3.1.2.zip"
+}