diff --git a/update.json b/update.json
index b96b3b3..75c4ec1 100644
--- a/update.json
+++ b/update.json
@@ -1,6 +1,6 @@
 {
-  "versionCode": 17,
-  "versionName": "1.6.7",
-  "apkUrl": "http://124.222.97.212:8443/attachments/6783e345-65a7-4b9d-91dd-8a7d09d568bd",
-  "notes": "修复 Trae CN 404：模型网关切换为 trae-api-cn.mchost.guru，请求头/body 对齐上游 SOLO 协议"
+  "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"
 }