diff --git a/update.json b/update.json
index 75c4ec1..348970a 100644
--- a/update.json
+++ b/update.json
@@ -1,6 +1,6 @@
 {
-  "versionCode": 18,
-  "versionName": "1.6.8",
-  "apkUrl": "http://124.222.97.212:8443/attachments/469bcef1-307c-47f2-a104-4dd9273219f7",
-  "notes": "修复应用内更新安装闪退：补充 REQUEST_INSTALL_PACKAGES 权限，安装流程全链路容错"
+  "versionCode": 19,
+  "versionName": "1.6.9",
+  "apkUrl": "http://124.222.97.212:8443/attachments/57ab917c-7776-403c-be16-a69b64bbdbd1",
+  "notes": "修复更新安装闪退：声明权限 + canRequestPackageInstalls 容错"
 }