diff --git a/update.json b/update.json
index 20ce54b..f6efd50 100644
--- a/update.json
+++ b/update.json
@@ -1,6 +1,6 @@
 {
-  "versionCode": 26,
-  "versionName": "1.7.6",
-  "apkUrl": "http://124.222.97.212:8443/attachments/200cd0dc-5dc6-4f76-817e-c120d6dd42bd",
-  "notes": "按代理/区域区分模型列表：Trae CN/INTL、WorkBuddy CN/INTL 各自拉取和选择"
+  "versionCode": 27,
+  "versionName": "1.7.7",
+  "apkUrl": "http://124.222.97.212:8443/attachments/ed827649-ed17-4c30-a64e-6b7175e36442",
+  "notes": "聚合网关：一个 API Key 通吃，按模型自动选供应商、失败自动切换"
 }