diff --git a/services/update_service.py b/services/update_service.py
index fcf6126..212f789 100644
--- a/services/update_service.py
+++ b/services/update_service.py
@@ -85,7 +85,7 @@ class UpdateService:
             cfg = init.get_config("base").get("framework", {})
         except Exception:
             cfg = {}
-        self.branch = cfg.get("branch", "main")
+        self.branch = cfg.get("branch", "dev")
         self.repo_url = cfg.get("repo_url", "https://git.yeij.top/AskaEth/SenSu").rstrip("/")
         self.repo_name = self.repo_url.rstrip("/").split("/")[-1]
         # ZIP 下载地址: Gitea 格式