diff --git a/astrbot/core/star/updator.py b/astrbot/core/star/updator.py
index 14cb5331a..9896115bb 100644
--- a/astrbot/core/star/updator.py
+++ b/astrbot/core/star/updator.py
@@ -32,10 +32,6 @@ class PluginUpdator(RepoZipUpdator):
         if not repo_url:
             raise Exception(f"插件 {plugin.name} 没有指定仓库地址。")
 
-        if proxy:
-            proxy = proxy.removesuffix("/")
-            repo_url = f"{proxy}/{repo_url}"
-
         plugin_path = os.path.join(self.plugin_store_path, plugin.root_dir_name)
 
         logger.info(f"正在更新插件，路径: {plugin_path}，仓库地址: {repo_url}")
diff --git a/astrbot/core/zip_updator.py b/astrbot/core/zip_updator.py
index 2d2b7b834..a09342795 100644
--- a/astrbot/core/zip_updator.py
+++ b/astrbot/core/zip_updator.py
@@ -148,6 +148,7 @@ class RepoZipUpdator:
                 release_url = releases[0]["zipball_url"]
 
         if proxy:
+            proxy = proxy.rstrip("/")
             release_url = f"{proxy}/{release_url}"
             logger.info(
                 f"检查到设置了镜像站，将使用镜像站下载 {author}/{repo} 仓库源码: {release_url}"