diff --git a/lite/proxy_lite.py b/lite/proxy_lite.py
index 76095af..dd9f83e 100644
--- a/lite/proxy_lite.py
+++ b/lite/proxy_lite.py
@@ -2475,7 +2475,7 @@ class MainWindow(QWidget):
             # 基于 Gitea 仓库 releases API 检查更新；config.json 无 update_url 时用默认地址
             url = str(_config_val("update_url", "") or "").strip()
             if not url:
-                url = ("https://git.bu4.ren/api/v1/repos/RoyirinRosmontis/"
+                url = ("https://git.rrrosmontis.icu/api/v1/repos/RoyirinRosmontis/"
                        "Private-Proxy/releases/latest")
             log("正在检查更新...")
             if _update_via_proxy():